Harold Bernstein
CIK: 0002050172
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Maze Therapeutics, Inc.
Discretionary Trading P&L
Holdings
Transaction History (48 total)
- Oct 1, 2026MAZE
Maze Therapeutics, Inc.
Exercise(M)Direct16.1K shares at avg. $10.42$168K - Oct 1, 2026MAZE
Maze Therapeutics, Inc.
Sale(S)Direct16.1K shares at avg. $26.93$435K - Sep 4, 2026MAZE
Maze Therapeutics, Inc.
Sale(S)Direct9.7K shares at avg. $26.22$255K - Sep 3, 2026MAZE
Maze Therapeutics, Inc.
Sale(S)Direct5.1K shares at avg. $26.01$133K - Sep 3, 2026MAZE
Maze Therapeutics, Inc.
Sale(S)Direct59 shares at avg. $25.78$2K - Sep 2, 2026MAZE
Maze Therapeutics, Inc.
Sale(S)Direct625 shares at avg. $27.12$17K - Sep 2, 2026MAZE
Maze Therapeutics, Inc.
Sale(S)Direct4.5K shares at avg. $26.38$118K - Sep 1, 2026MAZE
Maze Therapeutics, Inc.
Sale(S)Direct16.1K shares at avg. $26.36$426K - Sep 1, 2026MAZE
Maze Therapeutics, Inc.
Exercise(M)Direct20K shares- - Sep 1, 2026MAZE
Maze Therapeutics, Inc.
Exercise(M)Direct16.1K shares at avg. $10.42$168K - Aug 13, 2026MAZE
Maze Therapeutics, Inc.
Exercise(M)Direct16.1K shares at avg. $10.42$168K - Aug 13, 2026MAZE
Maze Therapeutics, Inc.
Sale(S)Direct16.1K shares at avg. $27.61$446K - Jul 1, 2026MAZE
Maze Therapeutics, Inc.
Sale(S)Direct13.4K shares at avg. $29.86$400K - Jul 1, 2026MAZE
Maze Therapeutics, Inc.
Exercise(M)Direct14.6K shares at avg. $10.42$152K - Jul 1, 2026MAZE
Maze Therapeutics, Inc.
Sale(S)Direct1.2K shares at avg. $30.34$36K - Jun 1, 2026MAZE
Maze Therapeutics, Inc.
Sale(S)Direct1.6K shares at avg. $26.36$42K - Jun 1, 2026MAZE
Maze Therapeutics, Inc.
Sale(S)Direct13.3K shares at avg. $25.57$339K - Jun 1, 2026MAZE
Maze Therapeutics, Inc.
Exercise(M)Direct14.9K shares at avg. $10.42$155K - May 14, 2026MAZE
Maze Therapeutics, Inc.
Exercise(M)Direct15K shares at avg. $10.42$156K - May 14, 2026MAZE
Maze Therapeutics, Inc.
Sale(S)Direct15K shares at avg. $26.22$393K - Apr 1, 2026MAZE
Maze Therapeutics, Inc.
Sale(S)Direct3.3K shares at avg. $30.06$101K - Apr 1, 2026MAZE
Maze Therapeutics, Inc.
Sale(S)Direct11.4K shares at avg. $29.24$332K - Apr 1, 2026MAZE
Maze Therapeutics, Inc.
Exercise(M)Direct15K shares at avg. $10.42$156K - Apr 1, 2026MAZE
Maze Therapeutics, Inc.
Sale(S)Direct300 shares at avg. $31.07$9K - Mar 20, 2026MAZE
Maze Therapeutics, Inc.
Sale(S)Direct3.8K shares at avg. $49.32$187K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 1, 2026 | MAZE Maze Therapeutics, Inc. | Exercise(M) | 16,141 | $10.42 | $168,189 | Direct |
| Oct 1, 2026 | MAZE Maze Therapeutics, Inc. | Sale(S) | 16,141 | $26.93 | $434,743 | Direct |
| Sep 4, 2026 | MAZE Maze Therapeutics, Inc. | Sale(S) | 9,705 | $26.22 | $254,502 | Direct |
| Sep 3, 2026 | MAZE Maze Therapeutics, Inc. | Sale(S) | 5,130 | $26.01 | $133,448 | Direct |
| Sep 3, 2026 | MAZE Maze Therapeutics, Inc. | Sale(S) | 59 | $25.78 | $1,521 | Direct |
| Sep 2, 2026 | MAZE Maze Therapeutics, Inc. | Sale(S) | 625 | $27.12 | $16,951 | Direct |
| Sep 2, 2026 | MAZE Maze Therapeutics, Inc. | Sale(S) | 4,481 | $26.38 | $118,191 | Direct |
| Sep 1, 2026 | MAZE Maze Therapeutics, Inc. | Sale(S) | 16,141 | $26.36 | $425,512 | Direct |
| Sep 1, 2026 | MAZE Maze Therapeutics, Inc. | Exercise(M) | 20,000 | - | $0 | Direct |
| Sep 1, 2026 | MAZE Maze Therapeutics, Inc. | Exercise(M) | 16,141 | $10.42 | $168,189 | Direct |
| Aug 13, 2026 | MAZE Maze Therapeutics, Inc. | Exercise(M) | 16,142 | $10.42 | $168,200 | Direct |
| Aug 13, 2026 | MAZE Maze Therapeutics, Inc. | Sale(S) | 16,142 | $27.61 | $445,621 | Direct |
| Jul 1, 2026 | MAZE Maze Therapeutics, Inc. | Sale(S) | 13,409 | $29.86 | $400,460 | Direct |
| Jul 1, 2026 | MAZE Maze Therapeutics, Inc. | Exercise(M) | 14,609 | $10.42 | $152,226 | Direct |
| Jul 1, 2026 | MAZE Maze Therapeutics, Inc. | Sale(S) | 1,200 | $30.34 | $36,404 | Direct |
| Jun 1, 2026 | MAZE Maze Therapeutics, Inc. | Sale(S) | 1,600 | $26.36 | $42,172 | Direct |
| Jun 1, 2026 | MAZE Maze Therapeutics, Inc. | Sale(S) | 13,253 | $25.57 | $338,940 | Direct |
| Jun 1, 2026 | MAZE Maze Therapeutics, Inc. | Exercise(M) | 14,853 | $10.42 | $154,768 | Direct |
| May 14, 2026 | MAZE Maze Therapeutics, Inc. | Exercise(M) | 15,000 | $10.42 | $156,300 | Direct |
| May 14, 2026 | MAZE Maze Therapeutics, Inc. | Sale(S) | 15,000 | $26.22 | $393,354 | Direct |
| Apr 1, 2026 | MAZE Maze Therapeutics, Inc. | Sale(S) | 3,348 | $30.06 | $100,636 | Direct |
| Apr 1, 2026 | MAZE Maze Therapeutics, Inc. | Sale(S) | 11,352 | $29.24 | $331,948 | Direct |
| Apr 1, 2026 | MAZE Maze Therapeutics, Inc. | Exercise(M) | 15,000 | $10.42 | $156,300 | Direct |
| Apr 1, 2026 | MAZE Maze Therapeutics, Inc. | Sale(S) | 300 | $31.07 | $9,320 | Direct |
| Mar 20, 2026 | MAZE Maze Therapeutics, Inc. | Sale(S) | 3,795 | $49.32 | $187,169 | Direct |
1-25 of 48 transactions
About Bernstein Harold
Bernstein Harold (SEC CIK 0002050172) files insider reports with the SEC as President, R&D & CMO of Maze Therapeutics, Inc. (MAZE).
Signal8 holds 18 ownership filings by Bernstein Harold (1 Form 3, 17 Form 4), filed between Jan 30, 2025 and Oct 2, 2026. Those filings report 48 transactions, from Sep 22, 2025 to Oct 1, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Bernstein Harold's filings is in SOUTH SAN FRANCISCO, CA.
Recent filings by Bernstein Harold
- Oct 1, 2026: Option exercise of MAZE shares (Form 4, code M).
- Oct 1, 2026: Open-market sale of MAZE shares (Form 4, code S).
- Sep 4, 2026: Open-market sale of MAZE shares (Form 4, code S).
- Sep 3, 2026: Open-market sales of MAZE shares (2 lines, Form 4, code S).
- Sep 2, 2026: Open-market sales of MAZE shares (2 lines, Form 4, code S).
Other insiders filing for Maze Therapeutics, Inc. (MAZE)
- Dandekar Atul, CSBO
- Coloma Jason V, Chief Executive Officer
- Courtney Phillips, GC and Corp. Secretary
- Kornowski Sophie, Director
- Johnson Paula A, Director
- SPIEGELMAN DANIEL K, Director