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Andersen Group Inc.

For the period ended Jun 22, 2026. Filed Apr 30, 2026.

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About this filing

What shareholders are asked to vote on at a company's meeting. It is where to find what directors and top executives are paid, and who owns the most shares.

Jun 22, 2026 · Filed Apr 30, 2026

ANDG$65.00-1.9%Stored close · as of Nov 6, 2026
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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

INFORMATION

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

(Amendment No.)

Filed by the Registrant ☒ Filed by a party other than the Registrant ☐

Check the appropriate box:

☐Preliminary Proxy Statement
☐Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))
☒Definitive Proxy Statement
☐Definitive Additional Materials
☐Soliciting Material under Rule 14a-12

(Name of Registrant as Specified in its Charter)

(Name of Person(s) Filing Proxy Statement, if Other Than the Registrant)

Payment of Filing Fee (Check all boxes that apply):

☒No fee required.
☐Fee paid previously with preliminary materials.
☐Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

Dear Stockholder:

April 30, 2026

You are cordially invited to attend the 2026 Annual Meeting of Stockholders of Andersen Group Inc. (Andersen or the Company) that will be held on Monday, June 22, 2026 at 9:00 a.m. PDT (the Annual Meeting). The Annual Meeting will be held virtually via live audio webcast on the internet at www.virtualshareholdermeeting.com/ANDG2026. Even though our Annual Meeting will be held virtually, stockholders will still have the ability to participate in the meeting and vote their shares at the Annual Meeting if they wish.

Details regarding the Annual Meeting and the business to be conducted are described in the accompanying proxy materials. We encourage you to read this information carefully, along with our annual report on Form 10-K for the year ended December 31, 2025. Your vote is important. Whether or not you plan to attend the Annual Meeting, we hope you will vote as soon as possible. You may vote over the internet, by telephone or by mailing a proxy card, if you have requested one. Please review the instructions on the Notice of Internet Availability of Proxy Materials you received in the mail regarding each of these voting options.

Thank you for your ongoing support of Andersen.

Very truly yours,

Mark L. Vorsatz

Chairman and Chief Executive Officer

San Francisco, California

333 Bush Street, Suite 1700

San Francisco, California 94104

Notice of Annual Meeting

for 2026 Annual Meeting of Stockholders

Time and Date: Monday, June 22, 2026 at 9:00 a.m. PDT.Place: The Annual Meeting will be held via live webcast at www.virtualshareholdermeeting.com/ANDG2026. To participate, you will need the 16-digit control number provided on your proxy card or voting instruction form.Record Date: You are entitled to vote if you were a stockholder of record of Class A or Class B common stock as of the close of business on April 23, 2026.

ITEMS OF BUSINESS

1To elect the eight director nominees named in the proxy statement accompanying this notice to serve until the annual meeting held in 2027.
2To ratify the appointment of BDO USA, P.C. as Andersen Group Inc.’s independent registered public accounting firm for the year ending December 31, 2026.

To transact such other business as may properly come before the Annual Meeting or any adjournment thereof.

These items of business are more fully described in the proxy statement accompanying this notice.

ADJOURNMENTS AND POSTPONEMENTS

Any action on the items of business described above may be considered at the Annual Meeting at the time and on the date specified above or at any time and date to which the Annual Meeting may be properly adjourned or postponed.

VOTING

Your vote is very important. Whether or not you plan to attend the Annual Meeting, we encourage you to read the proxy statement and vote on the internet or by telephone or submit your proxy card, if you have requested one, as soon as possible. For specific instructions on how to vote your shares, please refer to the section entitled “Questions and Answers about Procedural Matters.”

A Notice of Internet Availability of Proxy Materials (Notice) has been mailed to stockholders of record on or about April 30, 2026. The Notice contains instructions on how to access our proxy statement for our 2026 Annual Meeting of Stockholders and our annual report on Form 10-K for the year ended December 31, 2025 (together, the proxy materials). The Notice also provides instructions on how to vote online, by telephone or by mail and includes instructions on how to receive a paper copy of proxy materials by mail. The proxy materials can be accessed directly at the following internet address: www.proxyvote.com.

By order of the Board of Directors,

Mark L. Vorsatz

Chairman and Chief Executive Officer

This notice of annual meeting, proxy statement and accompanying form of proxy card

are being made available on or about April 30, 2026

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