Autonomix Medical Inc SEC Filings

Autonomix Medical, Inc. received an amended Schedule 13G disclosing that BioStar Ventures III entities beneficially own 175,216 shares of common stock, representing 4.3% of the outstanding common stock on a fully adjusted basis. BioStar Ventures III, L.P. directly holds 120,816 shares and warrants exercisable for 54,400 shares; BioStar Ventures III, L.L.C. is the general partner and shares voting and dispositive power over the same 175,216 shares. The filing states the ownership calculation is based on 4,022,625 shares outstanding adjusted to include shares issuable upon exercise of the warrants. The Reporting Persons disclaim being a group and indicate this position constitutes 5% or less of the class.

Amendment to Schedule 13G for Autonomix Medical, Inc. (AMIX) filed by a group of investment entities and individuals discloses that the listed Reporting Persons—Cavalry Fund I LP; C/M Capital Master Fund, LP; C/M Capital Partners, LP; Mercer Street Global Opportunity Fund, LLC; Mercer Street Capital Partners, LLC; Thomas Walsh; and Jonathan Juchno—report zero shares beneficially owned of Autonomix common stock (CUSIP 05330T205), representing 0% of the class. The filing identifies relationships among the entities: C/M Capital Partners is manager to the Cavalry and C/M Master funds, Mercer Capital Partners manages the Mercer fund, and Messrs. Walsh and Juchno are managing members or control persons for the relevant managers. The business address for the Reporting Persons is 61 82 E. Allendale Rd. Ste 5B, Saddle River, NJ 07458. The signatories certify the securities were not acquired to influence control of the issuer.

Brad Hauser, identified as an officer (CEO and President) of Autonomix Medical, Inc. (AMIX), reported a transaction with an earliest transaction date of 08/11/2025.

The filing discloses a derivative option that represented the right to buy 45,000 shares of common stock with an exercise price of $27, exercisable beginning 06/17/2025 and expiring 06/17/2034. The option was cancelled by mutual agreement, and the reporting person received three months' severance as consideration. The Form 4 is signed by an attorney-in-fact on behalf of Brad Hauser dated 08/13/2025.

Autonomix Medical, Inc. (AMIX) Form 4 reports that Director Christopher Capelli had a stock option cancelled by mutual agreement on 08/11/2025. The option covered 3,750 underlying shares and showed an adjusted exercise price of $40 following a 1-for-20 reverse stock split. The option was listed as exercisable 09/08/2024 with an expiration of 09/08/2033. The filing states the reporting person received no consideration for the cancellation and reports 0 derivative securities owned after the transaction. The Form 4 was signed by an attorney-in-fact on 08/13/2025.

Autonomix Medical, Inc. (AMIX) director Walter V. Klemp reported a change in beneficial ownership on Form 4 related to a derivative option. The filing shows a transaction dated 08/11/2025 where an option (right to buy) with a revised exercise price of $26.56 and tied to 8,773 underlying common shares was recorded. The option terms in the filing list an exercisable date of 06/21/2025 and expiration of 06/21/2034. The filing explains these figures reflect a 1-for-20 reverse stock split on October 25, 2024, and states the option was cancelled by mutual agreement with the company; the reporting person received no consideration for the cancellation. The Form is signed by an attorney-in-fact on behalf of Mr. Klemp and dated 08/13/2025.

Autonomix Medical director Lori Bisson reported changes to her derivative holdings in a Form 4. The filing discloses transactions involving two option grants with exercise prices of $26.56 and $40, covering 18,862 and 46,680 underlying shares respectively. The $26.56 option was cancelled by mutual agreement and the reporting person received no consideration for that cancellation. Both option amounts were revised to reflect a 1-for-20 reverse stock split. The filing shows direct beneficial ownership following the transactions of 47,930 and 1,250 derivative securities.

Trent N. Smith, identified as the Chief Financial Officer of Autonomix Medical, Inc. (AMIX), reported derivative transactions dated 08/11/2025 involving company stock options. The filing lists an option with a $26.56 exercise price tied to 11,405 underlying shares and an option with a $40.00 exercise price tied to 21,250 underlying shares. The filing’s footnotes state the $26.56 option was cancelled by mutual agreement and that the reporting person received an additional three months' severance as consideration for that cancellation. The footnotes also note the reported share amounts and exercise prices were revised to reflect a 1-for-20 reverse stock split completed on October 25, 2024. Ownership is reported in a direct form.

Autonomix Medical, Inc. is a pre-revenue, clinical-stage medical device company advancing a catheter-based sensing and radiofrequency ablation platform. For the three months ended June 30, 2025, the company reported a net loss of $3.3 million (versus $2.7 million a year earlier), research and development expense of $1.6 million (up 67%), and general and administrative expense of $1.8 million. Cash totaled $8.6 million with working capital of $7.0 million as of June 30, 2025. Weighted average shares outstanding were 3,105,156, producing loss per share of $1.07. The company completed a 1-for-20 reverse stock split and raised financing including a November 2024 offering (gross ~$10.0 million; net proceeds ~$9.0 million) and ATM sales of 1,304,260 shares for net proceeds of ~$2.1 million.

The company reported positive early clinical results from its PoC 1 study with mean pain reduction of 59.2% among responders, no device-related serious adverse events, initiation of PoC 2 in June 2025, two issued U.S. patents, and an FDA pre-submission meeting that framed a path toward an EFS and potential De Novo approval target in 2028. Management discloses substantial doubt about going concern, estimating cash resources sufficient only into, but not beyond, the second calendar quarter of 2026 and forecasting an additional financing need of approximately $32–40 million to reach commercialization.