STOCK TITAN

AN2 Therapeutics (ANTX) officer sees large option repricing, no share sales

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

AN2 Therapeutics, Inc. reported that officer Joshua M. Eizen had certain stock options repriced on March 19, 2026. He received new options to purchase 92,000 and 50,150 shares of common stock at an exercise price of $3.91 per share, replacing prior options for the same share amounts with higher exercise prices of $17.88 and $14.29.

The footnotes explain that the new exercise price equals the closing market price on the repricing date and that vesting schedules remain as previously set. The filing shows no open-market purchases or sales of common stock, only compensation-related option grants and corresponding cancellations back to the issuer.

Positive

  • None.

Negative

  • None.

Insights

Officer options were repriced, with no open-market trading.

The filing shows Joshua M. Eizen received two new stock option awards covering 92,000 and 50,150 shares at an exercise price of $3.91, while matching older options at exercise prices of $17.88 and $14.29 were returned to the issuer.

Footnotes state the new strike price equals the closing share price on March 19, 2026 and that vesting schedules (25% cliff then monthly, or straight monthly vesting) are unchanged. A conditional “Premium End Date” could reset the exercise price to the original level if certain events occur before that date.

No common shares were bought or sold on the market, and 0% of the position reflects open-market trading. This is a compensation and incentive structure adjustment rather than a directional bet on the stock, so its informational value for near-term sentiment is limited.

Insider Eizen Joshua M
Role See Remarks
Type Security Shares Price Value
Grant/Award Stock Option (right to buy) 92,000 $0.00 --
Disposition Stock Option (right to buy) 92,000 $0.00 --
Grant/Award Stock Option (right to buy) 50,150 $0.00 --
Disposition Stock Option (right to buy) 50,150 $0.00 --
Holdings After Transaction: Stock Option (right to buy) — 92,000 shares (Direct)
Footnotes (1)
  1. The exercise price of the option is $3.91 per share, representing the closing price of the Issuer's common stock on the date of the repricing; provided that the exercise price will be increased to the original exercise price before repricing if, prior to the "Premium End Date" (as defined below), the repriced option is exercised or the Reporting Person's services with the Company is terminated. The "Premium End Date" means the earliest of: (i) September 19, 2027, (ii) the date of a change in control or (iii) the Reporting Person's death or disability. The shares subject to the option vest as follows: 25% of the shares shall vest on the anniversary of September 29, 2022, and the remainder of the shares shall vest ratably monthly over the subsequent 36 months, subject to the Reporting Person's continuous service through each applicable vesting date. On March 19, 2026, the board of directors of the Issuer approved the repricing of the option. Except as further described in footnote 1, all other terms of the option remain unchanged. The shares subject to the option vest as follows: 1/48 of the shares shall vest on each monthly anniversary measured from January 1, 2023, subject to the Reporting Person's continuous service through each applicable vesting date.
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Eizen Joshua M

(Last)(First)(Middle)
C/O AN2 THERAPEUTICS, INC.
1300 EL CAMINO REAL, SUITE 100

(Street)
MENLO PARK CALIFORNIA 94025

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
AN2 Therapeutics, Inc. [ ANTX ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
See Remarks
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
03/19/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (right to buy)$3.91(1)03/19/2026A92,000 (2)10/13/2032Common Stock92,000(3)92,000D
Stock Option (right to buy)$17.8803/19/2026D92,000 (2)10/13/2032Common Stock92,000(3)0D
Stock Option (right to buy)$3.91(1)03/19/2026A50,150 (4)02/14/2033Common Stock50,150(3)50,150D
Stock Option (right to buy)$14.2903/19/2026D50,150 (4)02/14/2033Common Stock50,150(3)0D
Explanation of Responses:
1. The exercise price of the option is $3.91 per share, representing the closing price of the Issuer's common stock on the date of the repricing; provided that the exercise price will be increased to the original exercise price before repricing if, prior to the "Premium End Date" (as defined below), the repriced option is exercised or the Reporting Person's services with the Company is terminated. The "Premium End Date" means the earliest of: (i) September 19, 2027, (ii) the date of a change in control or (iii) the Reporting Person's death or disability.
2. The shares subject to the option vest as follows: 25% of the shares shall vest on the anniversary of September 29, 2022, and the remainder of the shares shall vest ratably monthly over the subsequent 36 months, subject to the Reporting Person's continuous service through each applicable vesting date.
3. On March 19, 2026, the board of directors of the Issuer approved the repricing of the option. Except as further described in footnote 1, all other terms of the option remain unchanged.
4. The shares subject to the option vest as follows: 1/48 of the shares shall vest on each monthly anniversary measured from January 1, 2023, subject to the Reporting Person's continuous service through each applicable vesting date.
Remarks:
Chief Operating Officer and Chief Legal Officer
/s/ Lucy Day, Attorney-in-Fact for Joshua M. Eizen03/23/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What did the AN2 Therapeutics (ANTX) Form 4 report for Joshua M. Eizen?

The Form 4 shows Joshua M. Eizen had existing stock options repriced on March 19, 2026. He received new options with a lower exercise price, while equivalent older, higher-priced options were surrendered back to AN2 Therapeutics, with no open-market share purchases or sales reported.

How many AN2 Therapeutics (ANTX) options were repriced for Joshua M. Eizen?

The filing reports new stock options covering 92,000 and 50,150 shares of AN2 Therapeutics common stock. Matching quantities of older options with higher exercise prices were disposed of back to the issuer, keeping the total option share counts the same after the repricing transaction.

What is the new exercise price of Joshua M. Eizen’s AN2 Therapeutics (ANTX) options?

The repriced options carry a new exercise price of $3.91 per share. Footnotes explain this equals the closing price of AN2 Therapeutics common stock on the March 19, 2026 repricing date, subject to potential reset to original higher prices before the defined Premium End Date.

Did Joshua M. Eizen buy or sell AN2 Therapeutics (ANTX) common stock in this Form 4?

No, the Form 4 does not show open-market trades of common stock. It records option grants and corresponding dispositions back to AN2 Therapeutics. These are compensation-related derivative transactions, not purchases or sales of the underlying common shares in the market.

How do Joshua M. Eizen’s repriced AN2 Therapeutics (ANTX) options vest?

Footnotes state one option vests 25% on the September 29, 2023 anniversary with the rest monthly over 36 months. The other vests in equal monthly installments over 48 months from January 1, 2023, all subject to continued service with AN2 Therapeutics on each vesting date.

What is the Premium End Date mentioned in the AN2 Therapeutics (ANTX) Form 4 footnotes?

The Premium End Date is defined as the earliest of September 19, 2027, a change in control, or Joshua M. Eizen’s death or disability. If certain conditions occur before this date, the repriced option’s exercise price can revert to its original higher level.