PULSE BIOSCIENCES, INC.
For the period ended Oct 24, 2025. Filed Oct 24, 2025.
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Oct 24, 2025 · Filed Oct 24, 2025
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934
Date of Report (Date of Earliest Event Reported): October 24, 2025
| Pulse Biosciences, Inc. | ||
|---|---|---|
| (Exact Name of Registrant as Specified in Its Charter) | ||
| Delaware | 001-37744 | 46-5696597 |
| (State or Other Jurisdiction of Incorporation) | (Commission File Number) | (IRS Employer Identification No.) |
| 601 Brickell Key Drive, Suite 1080 | ||
| Miami, Florida 33131 | ||
| (Address of Principal Executive Offices) (Zip Code) | ||
| 510-906-4600 | ||
| (Registrant’s Telephone Number, Including Area Code) | ||
Not Applicable
(Former Name or Former Address, If Changed Since Last Report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
| Title of Each Class | Trading Symbol(s) | Name of Each Exchange on Which Registered |
|---|---|---|
| Common stock, $0.001 par value per share | PLSE | The Nasdaq Stock Market |
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company☐
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 13(a) of the Exchange Act. ☐
| Item 8.01 | Other Events. |
|---|
On October 24, 2025, Pulse Biosciences, Inc. (the “Company”) issued a press release announcing the enrollment of the first patient in its NANOCLAMP AF clinical trial, a single-arm, prospective multicenter study designed to demonstrate the safety and effectiveness of the Company's nPulse™ Cardiac Surgical System for the treatment of atrial fibrillation in concomitant surgical procedures. The successful first procedure was completed at St. Helena Hospital in St. Helena, California**.**
A copy of the press release related to the matters set forth herein is attached hereto as Exhibit 99.1 and is incorporated herein by reference.
| Item 9.01 | Financial Statements and Exhibits. |
|---|
(d) Exhibits
| Exhibit Number | Description |
| 99.1 | Press Release issued by Pulse Biosciences, Inc. dated October 24, 2025 - Pulse Biosciences Announces First Enrollment in the NANOCLAMP AF Study |
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document) |
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
| PULSE BIOSCIENCES, INC. | ||
| Date: October 24, 2025 | By: | /s/ Paul A. LaViolette |
|---|---|---|
| Paul LaViolette | ||
| Chief Executive Officer (Principal Executive Officer) | ||
The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.