SEC Form 4 · accession 0002050172-26-000032
Maze Therapeutics, Inc. · MAZE
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Harold Bernstein
Officer — President, R&D & CMO
Period of report
Sep 1, 2026
Accepted (ET)
Sep 3, 2026 · 4:24 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001842295
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Sep 1, 2026 | M | 16,141 | $10.42 | A | 16,141 | D | |
| Common StockF2 | Sep 1, 2026 | S | 16,141 | $26.3622 | D | 0 | D | |
| Common Stock | Sep 1, 2026 | M | 20,000 | $0.00 | A | 20,000 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option (Right to Buy)F3 | $10.42 | Sep 1, 2026 | M | 16,141 | D | — | Oct 26, 2032 | Common Stock | 16,141 | 160,662 | D |
| Restricted Stock UnitsF4,F5,F6 | — | Sep 1, 2026 | M | 20,000 | D | — | — | Common Stock | 20,000 | 20,000 | D |
Explanation of responses
- F1This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 29, 2025.
- F2The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.11 to $26.64 per share, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
- F3The option vested as to 1/4th of the total award on October 3, 2023, and thereafter vested or vests as to 1/48th of the total award on the monthly anniversary thereof, subject to the reporting person's continued service to the Issuer on each vesting date.
- F4Each restricted stock unit represents a contingent right to receive one share of the Issuer's Common Stock upon settlement.
- F5The award vested or vests as to 1/2 of the total award on September 1, 2026 and September 1, 2027, subject to the reporting person's continued service to the Issuer on each vesting date.
- F6These restricted stock units do not expire; they either vest or are cancelled prior to the vesting date.