AN2 Therapeutics, Inc.·4

Mar 23, 7:16 PM ET

Chanda Sanjay 4

4 · AN2 Therapeutics, Inc. · Filed Mar 23, 2026

Research Summary

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AN2 Therapeutics (ANTX) CDO Chanda Sanjay Receives Repriced Options

What Happened
Chanda Sanjay, Chief Development Officer of AN2 Therapeutics (ANTX), was granted a total of 165,615 derivative securities (stock options) on March 19, 2026 and simultaneously surrendered the same number of previously held options back to the issuer. The repriced options carry an exercise price of $3.91 per share (the issuer’s closing price on the repricing date). The filing does not show a cash purchase or open-market sale and does not state a total dollar value for the grants.

Key Details

  • Transaction date: March 19, 2026; Form 4 filed March 23, 2026 (timely filed).
  • Grants (acquisitions) and matching dispositions to issuer: 66,000; 57,950; 41,665 — total 165,615 options exchanged.
  • Exercise price for repriced options: $3.91 per share (footnote: this may be increased back to the original exercise price if the repriced option is exercised or the reporting person’s service terminates prior to the "Premium End Date").
  • Vesting: one tranche vests 1/48 monthly from March 25, 2022; another vests 1/48 monthly from January 1, 2023; the third tranche is fully vested.
  • Nature of transaction: derivative option repricing/exchange (grant of repriced options and surrender/cancellation of prior options), not an open-market buy or sale.
  • Shares owned after transaction: not specified in the supplied filing excerpts.
  • Filing timeliness: Form 4 was filed within the SEC’s short reporting window (filed March 23 for March 19 transactions).

Context

  • This was an option repricing/regrant approved by the board (footnote indicates board approved repricing on March 19, 2026). The insider did not report a cash purchase or immediate sale of underlying shares; rather, older options appear to have been exchanged for new options at a lower exercise price.
  • The $3.91 exercise price equals the closing stock price on the repricing date but may revert to the original higher exercise price under certain conditions before the Premium End Date (earliest of Sept 19, 2027, change in control, or death/disability).
  • For retail investors: these are derivative changes (options exchange) and do not by themselves represent a purchase of stock on the open market; they change the economics and vesting of the insider’s equity compensation.

Insider Transaction Report

Form 4
Period: 2026-03-19
Chanda Sanjay
Chief Development Officer
Transactions
  • Award

    Stock Option (right to buy)

    [F1][F3][F2]
    2026-03-19+66,00066,000 total
    Exercise: $3.91Exp: 2032-05-11Common Stock (66,000 underlying)
  • Disposition to Issuer

    Stock Option (right to buy)

    [F3][F2]
    2026-03-1966,0000 total
    Exercise: $17.28Exp: 2032-05-11Common Stock (66,000 underlying)
  • Award

    Stock Option (right to buy)

    [F1][F3][F4]
    2026-03-19+57,95057,950 total
    Exercise: $3.91Exp: 2033-02-14Common Stock (57,950 underlying)
  • Disposition to Issuer

    Stock Option (right to buy)

    [F3][F4]
    2026-03-1957,9500 total
    Exercise: $14.29Exp: 2033-02-14Common Stock (57,950 underlying)
  • Award

    Stock Option (right to buy)

    [F1][F3][F5]
    2026-03-19+41,66541,665 total
    Exercise: $3.91Exp: 2031-04-29Common Stock (41,665 underlying)
  • Disposition to Issuer

    Stock Option (right to buy)

    [F3][F5]
    2026-03-1941,6650 total
    Exercise: $6.60Exp: 2031-04-29Common Stock (41,665 underlying)
Footnotes (5)
  • [F1]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.
  • [F2]The shares subject to the option vest as follows: 1/48 of the shares shall vest on each monthly anniversary measured from March 25, 2022, subject to the Reporting Person's continuous service through each applicable vesting date.
  • [F3]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.
  • [F4]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.
  • [F5]The option is fully vested.
Signature
/s/ Lucy Day, Attorney-in-Fact for Sanjay Chanda|2026-03-23

Documents

1 file
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    ownership.xmlPrimary

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