As of April 25, 2026, Maze Therapeutics's top three insider holders are Rock Ventures Iv, L.P. Third (TenPercentOwner, 4.47Mn shares), Rock Ventures Iv, L.P. Third (TenPercentOwner, 950.80K shares), Jonathan E Lim (Director, 307.96K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Rock Ventures Iv, L.P. Third | - | 4,473,958 | 0 | 05 Nov, 2025 |
| Rock Ventures Iv, L.P. Third | - | 0 | 950,800 | 04 Feb, 2025 |
| Jonathan E Lim | - | 0 | 307,956 | 04 Feb, 2025 |
| Charles J Homcy | - | 31,113 | 0 | 21 Nov, 2025 |
| Amy Bachrodt | Svp, Finance | 12,965 | 0 | 02 Apr, 2026 |
| Atul Dandekar | Csbo | 10,503 | 0 | 01 Apr, 2026 |
| Charles J Homcy | - | 0 | 7,422 | 04 Feb, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 01 Apr, 2026 | Harold Bernstein | Common Stock | A | 15,000 | $10.42 | 15,000 | D | M |
| 01 Apr, 2026 | Amy Bachrodt | Common Stock | A | 2,500 | $10.42 | 15,465 | D | M |
| 01 Apr, 2026 | Amy Bachrodt | Common Stock | D | 2,200 | $29.32 | 13,265 | D | S |
| 01 Apr, 2026 | Harold Bernstein | Common Stock | D | 11,352 | $29.24 | 3,648 | D | S |
| 01 Apr, 2026 | Harold Bernstein | Common Stock | D | 3,348 | $30.06 | 300 | D | S |
| 01 Apr, 2026 | Amy Bachrodt | Common Stock | D | 300 | $30.34 | 12,965 | D | S |
| 01 Apr, 2026 | Harold Bernstein | Common Stock | D | 300 | $31.07 | 0 | D | S |
| 01 Apr, 2026 | Amy Bachrodt | Stock Option (Right to Buy) | D | 2,500 | $0.00 | 33,833 | D | M |
| 01 Apr, 2026 | Harold Bernstein | Stock Option (Right to Buy) | D | 15,000 | $0.00 | 237,407 | D | M |
| 30 Mar, 2026 | Atul Dandekar | Common Stock | A | 7,500 | $10.42 | 18,003 | D | M |
| 30 Mar, 2026 | Atul Dandekar | Common Stock | D | 6,710 | $29.26 | 11,293 | D | S |
| 30 Mar, 2026 | Atul Dandekar | Common Stock | D | 790 | $30.02 | 10,503 | D | S |
| 30 Mar, 2026 | Atul Dandekar | Stock Option (Right to Buy) | D | 7,500 | $0.00 | 51,643 | D | M |
| 27 Mar, 2026 | Neil Kumar | Stock Option (Right to Buy) | A | 33,417 | $0.00 | 33,417 | D | A |
| 20 Mar, 2026 | Harold Bernstein | Common Stock | A | 15,000 | $10.42 | 15,000 | D | M |
| 20 Mar, 2026 | Harold Bernstein | Common Stock | D | 6,161 | $48.20 | 8,839 | D | S |
| 20 Mar, 2026 | Harold Bernstein | Common Stock | D | 3,795 | $49.32 | 5,044 | D | S |
| 20 Mar, 2026 | Harold Bernstein | Common Stock | D | 5,044 | $50.02 | 0 | D | S |
| 20 Mar, 2026 | Harold Bernstein | Stock Option (Right to Buy) | D | 15,000 | $0.00 | 252,407 | D | M |
| 10 Mar, 2026 | Harold Bernstein | Common Stock | A | 30,000 | $10.42 | 30,000 | D | M |