Bernstein Harold — SEC Form 4 filings
SEC reporting owner CIK 2050172. 16 Form 4 filings on record with FilingPulse; latest filed 2026-09-08.
Transaction summary — filings shown
Covers all 16 filings on record, filed 2025-09-24 to 2026-09-08. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 29 legs across 14 filings — 246,745 shares, $9,021,635 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 31.
- Largest priced transaction: sale of 29,652 shares @ $50.45 ($1,495,807) in Maze Therapeutics, Inc., filed 2026-03-12.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Maze Therapeutics, Inc. (MAZE) | President, R&D & CMO | 16 | — | 29 legs · 246,745 sh · $9,021,635 | 31 |
Form 4 filings — Bernstein Harold
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-08 | 4 | Maze Therapeutics, Inc. (MAZE) | Sale (S): 9,705 @ $26.22 | EDGAR |
| 2026-09-04 | 4 | Maze Therapeutics, Inc. (MAZE) | Sale (S): 4,481 @ $26.38 · Sale (S): 625 @ $27.12 · Sale (S): 5,130 @ $26.01 · Sale (S): 59 @ $25.78 | EDGAR |
| 2026-09-03 | 4 | Maze Therapeutics, Inc. (MAZE) | Option exercise (M): 16,141 @ $10.42 · Sale (S): 16,141 @ $26.36 · Option exercise (M): 20,000 @ $0 · Option exercise (M): 16,141 (derivative) @ $0 · Option exercise (M): 20,000 (derivative) @ $0 | EDGAR |
| 2026-08-14 | 4 | Maze Therapeutics, Inc. (MAZE) | Option exercise (M): 16,142 @ $10.42 · Sale (S): 16,142 @ $27.61 · Option exercise (M): 16,142 (derivative) @ $0 | EDGAR |
| 2026-07-02 | 4 | Maze Therapeutics, Inc. (MAZE) | Option exercise (M): 14,609 @ $10.42 · Sale (S): 13,409 @ $29.86 · Sale (S): 1,200 @ $30.34 · Option exercise (M): 14,609 (derivative) @ $0 | EDGAR |
| 2026-06-03 | 4 | Maze Therapeutics, Inc. (MAZE) | Option exercise (M): 14,853 @ $10.42 · Sale (S): 13,253 @ $25.57 · Sale (S): 1,600 @ $26.36 · Option exercise (M): 14,853 (derivative) @ $0 | EDGAR |
| 2026-05-18 | 4 | Maze Therapeutics, Inc. (MAZE) | Option exercise (M): 15,000 @ $10.42 · Sale (S): 15,000 @ $26.22 · Option exercise (M): 15,000 (derivative) @ $0 | EDGAR |
| 2026-04-02 | 4 | Maze Therapeutics, Inc. (MAZE) | Option exercise (M): 15,000 @ $10.42 · Sale (S): 11,352 @ $29.24 · Sale (S): 3,348 @ $30.06 · Sale (S): 300 @ $31.07 · Option exercise (M): 15,000 (derivative) @ $0 | EDGAR |
| 2026-03-20 | 4 | Maze Therapeutics, Inc. (MAZE) | Option exercise (M): 15,000 @ $10.42 · Sale (S): 6,161 @ $48.20 · Sale (S): 3,795 @ $49.32 · Sale (S): 5,044 @ $50.02 · Option exercise (M): 15,000 (derivative) @ $0 | EDGAR |
| 2026-03-12 | 4 | Maze Therapeutics, Inc. (MAZE) | Option exercise (M): 30,000 @ $10.42 · Sale (S): 29,652 @ $50.45 · Sale (S): 348 @ $51.02 · Option exercise (M): 30,000 (derivative) @ $0 | EDGAR |
| 2026-03-03 | 4 | Maze Therapeutics, Inc. (MAZE) | Grant/award (A): 48,000 (derivative) @ $0 · Grant/award (A): 24,000 (derivative) @ $0 | EDGAR |
| 2026-02-04 | 4 | Maze Therapeutics, Inc. (MAZE) | Option exercise (M): 15,000 @ $10.42 · Sale (S): 600 @ $44.20 · Sale (S): 8,364 @ $45.89 · Sale (S): 5,936 @ $46.37 · Sale (S): 100 @ $47.23 · Option exercise (M): 15,000 (derivative) @ $0 | EDGAR |
| 2026-01-09 | 4 | Maze Therapeutics, Inc. (MAZE) | Option exercise (M): 25,156 @ $10.42 · Sale (S): 25,156 @ $40.20 · Option exercise (M): 25,156 (derivative) @ $0 | EDGAR |
| 2026-01-06 | 4 | Maze Therapeutics, Inc. (MAZE) | Option exercise (M): 4,432 @ $10.42 · Sale (S): 4,432 @ $40.43 · Option exercise (M): 412 @ $10.42 · Sale (S): 412 @ $40 · Option exercise (M): 4,432 (derivative) @ $0 · Option exercise (M): 412 (derivative) @ $0 | EDGAR |
| 2025-12-31 | 4 | Maze Therapeutics, Inc. (MAZE) | Option exercise (M): 45,000 @ $10.42 · Sale (S): 27,800 @ $40.34 · Sale (S): 17,200 @ $40.93 · Option exercise (M): 45,000 (derivative) @ $0 | EDGAR |
| 2025-09-24 | 4 | Maze Therapeutics, Inc. (MAZE) | Grant/award (A): 40,000 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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