Aperture AC

As filed with the U.S. Securities and Exchange Commission on November 17, 2025.

Registration No. 333-[ ]

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORMS-1

REGISTRATION STATEMENT

UNDER

THE SECURITIES ACT OF 1933

(Exact name of registrant as specified in its charter)

835 Wilshire Blvd. 5 th Floor,

Los Angeles, CA, 90017

Telephone: 424-253-0908

(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)

Calvin Kung

Chief Executive Officer

835 Wilshire Blvd. 5 th Floor

Los Angeles, CA, 90017

Telephone: 424-253-0908

(Name, address, including zip code, and telephone number, including area code, of agent for service)

Copies to:

Approximate date of commencement of proposed sale to the public: As soon as practicable after the effective date of this registration statement.

If any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933 check the following box.☐

If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, please check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.☐

If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.☐

If this Form is a post-effective amendment filed pursuant to Rule 462(d) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering.☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act.☐

The Registrant hereby amends this Registration Statement on such date or dates as may be necessary to delay its effective date until the Registrant shall file a further amendment which specifically states that this Registration Statement shall thereafter become effective in accordance with Section 8(a) of the Securities Act of 1933, as amended, or until the Registration Statement shall become effective on such date as the Securities and Exchange Commission, acting pursuant to said Section 8(a), may determine.

The information in this prospectus is not complete and may be changed. We may not sell these securities until the registration statement filed with the Securities and Exchange Commission is effective. This prospectus is not an offer to sell these securities and it is not soliciting an offer to buy these securities in any jurisdiction where the offer or sale is not permitted.

$90,000,000

9,000,000 Units

Aperture AC is a blank check company incorporated as a Cayman Islands exempted company and formed for the purpose of effecting a merger, amalgamation, share exchange, asset acquisition, share purchase, reorganization or similar business combination with one or more businesses, which we refer to throughout this prospectus as our initial business combination. We have not selected any business combination target and we have not, nor has anyone on our behalf, initiated any substantive discussions, directly or indirectly, with any business combination target regarding an initial business combination with our company. We may pursue an initial business combination in any industry or geographic location we choose.

This is an initial public offering of our securities. Each unit has an offering price of $10.00 and consists of one Class A ordinary share and one right to receive one tenth (1/10) of a Class A ordinary share upon the consummation of an initial business combination, as described in more detail in this prospectus. We refer to the rights included in the units as Share Rights. The underwriters have a 30-day option from the date of this prospectus to purchase up to an additional 1,350,000 units to cover over-allotments, if any.

We will provide our public shareholders with the opportunity to redeem, regardless of whether they vote for, against or abstain from the vote on our initial business combination if such a vote is held, all or a portion of their Class A ordinary shares that were sold as part of the units in this offering, which we refer to collectively as our public shares, upon the completion of our initial business combination at a per-share price, payable in cash, equal to the aggregate amount then on deposit in the trust account described below as of two business days prior to the consummation of our initial business combination, including interest earned on the funds held in the trust account (net of amounts withdrawn to pay our income taxes, if any), divided by the number of then outstanding public Class A ordinary shares, subject to the limitations and on the conditions described herein. See “Summary — The Offering — Redemption rights for public shareholders upon completion of our initial business combination” on page 31 and“Summary — The Offering — Redemption of public shares and distribution and liquidation if no initial business combination” on page 36 for more information.

Notwithstanding the foregoing redemption rights, if we seek shareholder approval of our initial business combination and we do not conduct redemptions in connection with our initial business combination pursuant to the tender offer rules, our amended and restated memorandum and articles of association provide that a public shareholder, together with any affiliate of such shareholder or any other person with whom such shareholder is acting in concert or as a “group” (as defined under Section 13 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), will be restricted from redeeming its shares with respect to more than an aggregate of 15% of the shares sold in this offering without our prior consent. However, we would not be restricting our shareholders’ ability to vote all of their shares (including all shares held by those shareholders that hold more than 15% of the shares sold in this offering) for or against our initial business combination. See “Summary — The Offering — Limitation on redemption rights of shareholders holding 15% or more of the shares sold in this offering if we hold shareholder vote” on page 35 for further discussion on certain limitations on redemption rights.

Our sponsor, Aperture Sponsor LLC, and the underwriters in this offering have committed, pursuant to written agreements, that they and/or their designees will purchase from us an aggregate of 305,000 private placement units (or 325,250 private placement units if the underwriters’ over-allotment option is exercised in full) at $10.00 per unit for an aggregate purchase price of $3,050,000 (or $3,252,500 if the underwriters’ over-allotment option is exercised in full) in a private placement that will close simultaneously with the closing of this offering. Each private placement unit consists of one Class A ordinary share and one Share Right to receive one tenth (1/10) of a Class A ordinary share upon the consummation of an initial business combination, as described in more detail in this prospectus. We refer to these units throughout this prospectus as the private placement units and the Class A ordinary shares and Share Rights included in the private placement units as private placement shares and private placement rights, respectively. Of those 305,000 private placement units (or 325,250 private placement units if the underwriters’ over-allotment option is exercised in full), our sponsor has agreed to purchase 260,000 private placement units (or 273,500 private placement units if the underwriters’ over-allotment option is exercised in full), and the underwriters have agreed to purchase 45,000 private placement units (or 51,750 private placement units if the underwriters’ over-allotment option is exercised in full). The private placement units are identical to the units sold in this offering, subject to certain limited exceptions as described in this prospectus. [[ ] institutional investors (none of which are affiliated with any member of our management, our sponsor, the underwriters or any other investor), which we refer to as the “non-managing

sponsor investors” throughout this prospectus, have expressed an interest to indirectly purchase, through purchase of non-managing sponsor membership interests, an aggregate of 95,000 private placement units (or 104,000 private placement units if the underwriters’ over-allotment option is exercised in full) at a price of $10.00 per unit ($950,000 in the aggregate, or $1,040,000 if the underwriters’ over-allotment option is exercised, in a private placement that will close simultaneously with the closing of this offering. Subject to each non-managing sponsor investor purchasing, through the sponsor, the private placement units allocated to it in connection with the closing of this offering, the sponsor will issue membership interests at a nominal purchase price of $0.007 per underlying founder share to the non-managing sponsor investors reflecting indirect interests in an aggregate of [ ] founder shares (or [ ] founder shares if the underwriters exercise the over-allotment option in full) held by the sponsor.)

[[ ] non-managing sponsor investors have expressed to us an interest in purchasing an aggregate of approximately [ ] million of the public units in this offering at the offering price (assuming the exercise in full of the underwriters’ over-allotment option), or approximately [ ]%, of the public units at the offering price. None of the non-managing sponsor investors has expressed to us an interest in purchasing more than 9.9% of the units to be sold in this offering. There can be no assurance that the non-managing sponsor investors will acquire any units, either directly or indirectly, in this offering, or as to the amount of the units the non-managing sponsor investors will retain, if any, prior to or upon the consummation of our initial business combination. Because these expressions of interest are not binding agreements or commitments to purchase, non-managing sponsor investors may determine to purchase fewer units in this offering, or none at all. Depending on how many public units are purchased by the non-managing sponsor investors, the post-offering trading volume, volatility and liquidity of our securities may be reduced relative to what they would have been had the units been more widely offered and sold to other public investors. We do not expect any purchase of units by the non-managing sponsor investors to negatively impact our ability to meet The Nasdaq Global Market, or Nasdaq, listing eligibility requirements. In addition, the underwriters have full discretion to allocate the units to investors and may determine to sell fewer units to the non-managing sponsor investors, or none at all, and the purchase of the non-managing sponsor membership interests is not contingent upon the participation in this offering or vice versa. The underwriters will receive the same upfront discounts and commissions on units purchased by the non-managing sponsor investors, if any, as they will on the other units sold to the public in this offering. In addition, none of the non-managing sponsor investors has any obligation to vote any of their public shares in favor of our initial business combination. Nevertheless, regardless of the number of units they purchase, the non-managing sponsor investors will have different interests than other public shareholders in that they will be incentivized to vote their public shares in favor of a business combination due to their indirect ownership through the sponsor of founder shares and Class A ordinary shares and private placement rights issued as part of the private placement units. Additionally, these non-managing sponsor investors will have the potential to realize enhanced economic returns from their investments compared to other investors in this offering. For a discussion of certain additional arrangements with the non-managing sponsor investors, see “Summary — The Offering — Expressions of Interest” on page 26.]

Our sponsor has purchased an aggregate of 3,828,082 Class B ordinary shares, par value $0.0001 per share (which we refer to as “founder shares” as further described herein), for an aggregate purchase price of $25,000, or approximately $0.007 per share. Up to 499,315 founder shares will be surrendered to us for no consideration after the closing of this offering depending on the extent to which the underwriters’ over-allotment option is exercised. The number of founder shares outstanding was determined based on the expectation that the total size of this offering would be a maximum of 10,350,000 units if the underwriters’ over-allotment option is exercised in full, and therefore that such founder shares would represent 27% of the outstanding shares after this offering (excluding the private placement shares and representative shares). If we increase or decrease the size of this offering pursuant to Rule 462(b) under the Securities Act, we will effect a share capitalization or a share repurchase or redemption or other appropriate mechanism, as applicable, with respect to our Class B ordinary shares immediately prior to the consummation of the offering in such amount as to maintain the ownership of founder shares by our initial shareholders, on an as-converted basis, at 27% of our issued and outstanding ordinary shares upon the consummation of this offering (excluding the private placement shares and representative shares). The Class B ordinary shares will automatically convert into Class A ordinary shares at the time of our initial business combination, or at any time prior thereto at the option of the holder thereof, on a one-for-one basis, subject to adjustment for share sub-divisions, share capitalizations, reorganizations, recapitalizations and the like. Any conversion of Class B ordinary shares described herein will take effect as a compulsory redemption of Class B ordinary shares and an issuance of Class A ordinary shares as a matter of Cayman Islands law. Because our sponsor acquired the Class B ordinary shares at a nominal price, our public shareholders will incur an immediate and substantial dilution upon the closing of this offering. Further, the Class A ordinary shares issuable in connection with the conversion of the Class B ordinary shares may result in material dilution to our public shareholders due to the anti-dilution rights of our

Class B ordinary shares that may result in an issuance of Class A ordinary shares on a greater than one-to-one basis upon conversion. In the case that additional Class A ordinary shares, or equity-linked securities (as described herein), are issued or deemed issued in excess of the amounts issued in this offering and related to the closing of our initial business combination, the ratio at which the Class B ordinary shares will convert into Class A ordinary shares will be adjusted (unless the holders of a majority of the issued and outstanding Class B ordinary shares agree to waive such anti-dilution adjustment with respect to any such issuance or deemed issuance) so that the number of Class A ordinary shares issuable upon conversion of all Class B ordinary shares will equal, in the aggregate, 27% of the sum of (i) all ordinary shares issued and outstanding upon the completion of this offering (including any Class A ordinary shares issued pursuant to the underwriters’ over-allotment option and excluding the private placement shares and representative shares), (ii) plus all Class A ordinary shares and equity-linked securities issued or deemed issued in connection with our initial business combination (excluding any shares or equity-linked securities issued, or to be issued, to any seller in the initial business combination and any private placement-equivalent units issued to our sponsor, certain of our officers or directors, or any of their respective affiliates upon conversion of working capital loans) and (iii) minus any redemptions of Class A ordinary shares by public shareholders in connection with an initial business combination; provided that such conversion of founder shares will never occur on a less than one-for-one basis. Furthermore, if we raise additional funds through equity or convertible debt issuances, our public shareholders may suffer significant dilution. This dilution would increase to the extent that the anti-dilution provision of the founder shares result in the issuance of Class A ordinary shares on a greater than one-for-one basis upon conversion of the founder shares at the time of our initial business combination. Prior to the closing of our initial business combination, only holders of our Class B ordinary shares (a) will have the right to vote to appoint and remove directors prior to or in connection with the completion of our initial business combination and (b) will be entitled to vote on continuing our company in a jurisdiction outside the Cayman Islands (including any special resolution required to adopt new constitutional documents as a result of our approving a transfer by way of continuation in a jurisdiction outside the Cayman Islands). On any other matters submitted to a vote of our shareholders prior to or in connection with the completion of our initial business combination, holders of the Class B ordinary shares and holders of the Class A ordinary shares will vote together as a single class, except as required by law. Collectively, the 3,328,767 Class B ordinary shares and 305,000 Class A ordinary shares underlying the private placement units held by the initial shareholders’ will represent 27.3% of all ordinary shares outstanding following the consummation of this offering and the private placement of the units, assuming that the underwriters’ over-allotment option is not exercised and assuming the underwriters received 350,000 Class A ordinary shares, the maximum amount of the representative shares. See “Summary — The Offering — Our Sponsor” on page 6 for further discussion on our sponsor’s and our affiliates’ securities; “Summary — The Offering — Transfer restrictions on founder shares” on page 21, “Summary — The Offering — Founder shares conversion and anti-dilution rights” on page 22, “Summary — The Offering — Appointment and removal of directors and continuing the company outside of the Cayman Islands; voting rights” on page 22, “Risk Factors — Risks Relating to our Securities — The nominal purchase price paid by our sponsor for the founder shares may result in significant dilution to the implied value of your public shares upon the consummation of our initial business combination”on page 83, and“— Risks Relating to our Securities — We may issue additional ordinary shares or preference shares to complete our initial business combination or under an employee incentive plan after completion of our initial business combination. We may also issue Class A ordinary shares upon the conversion of the Class B ordinary shares at a ratio greater than one-to-one at the time of our initial business combination as a result of the anti-dilution provisions contained in our amended and restated memorandum and articles of association. Any such issuances would dilute the interest of our shareholders and likely present other risks” on page 62.

As more fully discussed in “Management — Conflicts of Interest”on page 152, each of our officers and directors presently has, and any of them in the future may have additional, fiduciary, contractual or other obligations or duties to one or more other entities pursuant to which such officer or director is or will be required to present a business combination opportunity to such entities. The low price that our sponsor, executive officers and directors (directly or indirectly) paid for the founder shares creates an incentive whereby our officers and directors could potentially make a substantial profit even if we select an acquisition target that subsequently declines in value and is unprofitable for public shareholders. If we are unable to complete our initial business combination within the completion window, or by such earlier liquidation date as our board of directors may approve, the founder shares and private placement units may expire worthless, except to the extent they receive liquidating distributions from assets outside the trust account, which could create an incentive for our sponsor, executive officers and directors to complete a transaction even if we select an acquisition target that subsequently declines in value and is unprofitable for public shareholders. In addition, our officers and directors will receive indirect interests in the founder shares held by our sponsor. As a result of their indirect interest

in the founder shares through membership interests in our sponsor, our management team may have a conflict of interest in determining whether a particular target business is an appropriate business with which to effectuate our initial business combination. In addition, each of our officers and directors may have a conflict of interest with respect to evaluating a particular business combination if the retention or resignation of any such officers and directors was included by a target business as a condition to any agreement with respect to our initial business combination. Additionally, commencing on the date on which our securities are listed on Nasdaq, we will pay our sponsor an amount equal to $10,000 per month for office space, utilities and secretarial and administrative support made available to us, as described elsewhere in this prospectus. Upon consummation of this offering, we will repay up to $500,000 in loans made to us by our sponsor to cover offering-related and organizational expenses. In the event that following this offering we obtain working capital loans from our sponsor, certain or our officers or directors or their respective affiliates to finance transaction costs related to our initial business combination, up to $1,500,000 of such loans may be convertible into securities of the post-business combination entity at a price of $10.00 per unit at the option of the lender. Such securities would be identical to the private placement units. Additionally, if we agree to pay our sponsor, officers, directors, advisors, or our or their affiliates a finder’s fee, advisory fee, consulting fee or success fee in customary amounts prior to or in order to effectuate the completion of our initial business combination, such persons may have a conflict of interest in determining whether a particular target business is an appropriate business with which to effectuate our initial business combination as any such fee may not be paid unless we consummate such business combination. Although no terms for any such arrangements have been determined and no written agreements exist with respect to such arrangements, if such compensation is substantial it could result in material dilution to the equity interests of the public Class A ordinary shareholders. Additionally, following consummation of a business combination, members of our management team will be entitled to reimbursement for any out-of-pocket expenses related to identifying, investigating and completing an initial business combination. As a result, there may be actual or potential material conflicts of interest between members of our management team, our sponsor and its affiliates on one hand, and purchasers in this offering on the other. See the sections titled “Prospectus Summary — Our Sponsor” on page 6 for further discussion on our sponsor’s and affiliate’s compensation; “Proposed Business — Sourcing of Potential Business Combination Targets”on page 122 and“Certain Relationships and Related Party Transactions” on page 161 for more information.

We have until the date that is 18 months from the closing of this offering or until such earlier liquidation date as our board of directors may approve to consummate our initial business combination. If we anticipate that we may be unable to consummate our initial business combination within such 18-month period, we may further seek shareholder approval to amend our amended and restated memorandum and articles of association toextend the date by which we must consummate our initial business combination. If we seek shareholder approval for an extension, holders of public shares will be offered an opportunity to redeem their shares at a per share price, payable in cash, equal to the aggregate amount then on deposit in the trust account, including interest earned thereon (less income taxes, if any, payable), divided by the number of then issued and outstanding public shares, subject to applicable law. If we are unable to complete our initial business combination within 18 months from the closing of this offering (or such later date as approved by our shareholders), or by such earlier liquidation date as our board of directors may approve, we will redeem 100% of the public shares at a per share price, payable in cash, equal to the aggregate amount then on deposit in the trust account, including interest earned thereon (less income taxes, if any, payable and up to $100,000 of interest income to pay dissolution expenses), divided by the number of then issued and outstanding public shares, subject to applicable law as further described herein.

Currently, there is no public market for our units, Class A ordinary shares or Share Rights. We intend to apply to have our units listed on The Nasdaq Global Market under the symbol “APURU,” on or promptly after the date of this prospectus. We cannot guarantee that our securities will be approved for listing on Nasdaq. We expect the Class A ordinary shares and Share Rights comprising the units to begin separate trading on the 52 nd day following the date of this prospectus unless IBC, the representative of the underwriters, informs us of its decision to allow earlier separate trading, subject to our satisfaction of certain conditions as described further herein. Once the securities comprising the units begin separate trading, we expect that the Class A ordinary shares and Share Rights will be listed on Nasdaq under the symbols “APUR” and “APURR”, respectively.

We are an “emerging growth company” and a “smaller reporting company” under applicable federal securities laws and will be subject to reduced public company reporting requirements. Investing in our securities involves a high degree of risk. See “Risk Factors” beginning on page 46 for a discussion of information that should be considered in connection with an investment in our securities. Investors will not be entitled to protections normally afforded to investors in Rule 419 blank check offerings.

Neither the U.S. Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or determined if this prospectus is truthful or complete. Any representation to the contrary is a criminal offense.

No offer or invitation, whether directly or indirectly, is being or may be made to the public in the Cayman Islands to subscribe for any of our securities.

(1) Includes $0.15 per unit (including any units sold pursuant to the underwriters’ option to purchase additional units), or $1,350,000 in the aggregate (or $1,552,500 if the underwriters’ over-allotment option is exercised in full), payable to the underwriters upon the closing of this offering. The underwriters have received and will receive compensation in addition to the underwriting discount, including 250,000 – 350,000 Class A ordinary shares, which we refer to herein as the “representative shares.” See also “Underwriting” for a description of compensation and other items of value payable to the underwriters.

Of the proceeds we receive from this offering and the sale of the private placement units described in this prospectus, $90,000,000, or $103,500,000 if the underwriters’ overallotment option is exercised in full ($10.00 per unit in either case), will be placed into a U.S.-based trust account with Continental Stock Transfer & Trust Company acting as trustee.

Because our sponsor acquired the founder shares at a nominal price, our public shareholders will incur an immediate and material dilution upon the closing of this offering. Further, the Class A ordinary shares issuable in connection with the conversion of the founder shares may result in material dilution to our public shareholders due to the anti-dilution rights of our founder shares that may result in an issuance of Class A ordinary shares on a greater than one-for-one basis upon conversion. See the section titled “Risk Factors — Risks Relating to our Securities — The nominal purchase price paid by our sponsor for the founder shares may result in material dilution to the implied value of your public shares upon the consummation of our initial business combination, and our sponsor is likely to make a substantial profit on its investment in us in the event we consummate an initial business combination, even if the business combination causes the trading price of our ordinary shares to materially decline” on page 83.

The following table illustrates the difference between the public offering price per unit and our net tangible book value per share, as adjusted to reflect various potential redemption levels that may occur in connection with the closing of our initial business combination, which we refer to as “Adjusted NTBVPS,” on a pro forma basis to give effect to this offering and the issuance of the private placement units, assuming the exercise in full and no exercise of the over-allotment option. Adjusted NTBVPS excludes the effect of the consummation of our initial business combination or any related transactions or expenses. See the section titled “Dilution” on page 99 for more information.

Our sponsor and members of our management team will directly or indirectly own our securities following this offering, and accordingly, they may have a conflict of interest in determining whether a particular target business is an appropriate business with which to effectuate our initial business combination. Additionally, each of our officers and directors presently has, and any of them in the future may have additional, fiduciary, contractual or other obligations or duties to one or more other entities pursuant to which such officer or director is or will be required to present a business combination opportunity to such entities. As a result, there may be actual or potential material conflicts of interest between our sponsor and its affiliates on one hand, and purchasers in this offering on the other. See the sections titled “Summary — The Offering — Conflicts of interest” on page 38, “Proposed Business — Sourcing of Potential Business Combination Targets” on page 122 and “Management — Conflicts of Interest” on page 152 for more information.

The underwriters are offering the units for sale on a firm commitment basis. The underwriters expect to deliver the units to the purchasers on or about [ ], 2025.

Book-Running Managers