8 insiders reported 34 Form 4 transactions for Taysha Gene Therapies, Inc. (TSHA) over the past 18 months (most recent 2026-06-02). Recent activity: Donenberg Phillip B. (Director) Buy 21,335 shares, Stalfort John A III (Director) Buy 21,335 shares, Sepp-Lorenzino Laura (Director) Buy 21,335 shares, Long Alison S (Director) Buy 21,335 shares, Nagendran Sukumar (President and Head of R&D) Buy 19,021 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-02 | Donenberg Phillip B. | Director | Buy | 21,335 | $0 |
| 2026-06-02 | Stalfort John A III | Director | Buy | 21,335 | $0 |
| 2026-06-02 | Sepp-Lorenzino Laura | Director | Buy | 21,335 | $0 |
| 2026-06-02 | Long Alison S | Director | Buy | 21,335 | $0 |
| 2026-04-13 | Nagendran Sukumar | President and Head of R&D | Buy | 19,021 | $32,526 |
| 2026-04-13 | Nagendran Sukumar | President and Head of R&D | Sell | 200,000 | $892,000 |
| 2026-02-06 | Alam Kamran | CHIEF FINANCIAL OFFICER | Sell | 1,655 | $7,481 |
| 2026-01-27 | Alam Kamran | CHIEF FINANCIAL OFFICER | Sell | 78,968 | $375,098 |
| 2026-01-27 | Alam Kamran | CHIEF FINANCIAL OFFICER | Sell | 23,849 | $109,944 |
| 2026-01-27 | Nagendran Sukumar | President and Head of R&D | Sell | 89,132 | $423,377 |
| 2026-01-27 | Nagendran Sukumar | President and Head of R&D | Sell | 26,918 | $124,092 |
| 2026-01-27 | Nolan Sean P. | Chief Executive Officer | Sell | 136,789 | $649,748 |
| 2026-01-27 | Nolan Sean P. | Chief Executive Officer | Sell | 41,312 | $190,448 |
| 2026-01-14 | Alam Kamran | CHIEF FINANCIAL OFFICER | Buy | 359,000 | $0 |
| 2026-01-14 | Nagendran Sukumar | President and Head of R&D | Buy | 111,324 | $77,927 |
| 2026-01-14 | Nagendran Sukumar | President and Head of R&D | Buy | 88,676 | $151,636 |
| 2026-01-14 | Nagendran Sukumar | President and Head of R&D | Sell | 200,000 | $942,000 |
| 2026-01-14 | Nagendran Sukumar | President and Head of R&D | Buy | 427,000 | $0 |
| 2026-01-14 | Nolan Sean P. | Chief Executive Officer | Buy | 1.0M | $0 |
| 2025-12-01 | Nagendran Sukumar | President and Head of R&D | Buy | 70,172 | $49,120 |
| 2025-12-01 | Nagendran Sukumar | President and Head of R&D | Buy | 39,953 | $68,320 |
| 2025-12-01 | Nagendran Sukumar | President and Head of R&D | Sell | 110,125 | $523,094 |
| 2025-12-01 | Nagendran Sukumar | President and Head of R&D | Buy | 260,047 | $444,680 |
| 2025-12-01 | Nagendran Sukumar | President and Head of R&D | Sell | 260,047 | $1.2M |
| 2025-09-12 | Nagendran Sukumar | President and Head of R&D | Buy | 41,150 | $28,805 |
Source: SEC Form 4 filings · as of 2026-06-02