Across the past 12 months, open-market trades by Taysha Gene Therapies insiders were all sales, totaling $6.66 million (1.37Mn shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | R.A. Ii Session | President And Ceo | 8,871,747 | 0 | 8,871,747 | 46.2% | 14 Jul, 2023 |
| 2 | Sean P. Nolan | Chief Executive Officer | 2,908,257 | 0 | 2,908,257 | 15.1% | 27 Jan, 2026 |
| 3 | Paul B Manning | TenPercentOwner | 0 | 2,841,704 | 2,841,704 | 14.8% | 03 Jun, 2025 |
| 4 | Kamran Alam | Chief Financial Officer | 1,442,131 | 0 | 1,442,131 | 7.5% | 06 Feb, 2026 |
| 5 | John A Iii Stalfort | Director | 1,176,559 | 0 | 1,176,559 | 6.1% | 02 Jun, 2026 |
| 6 | Sukumar Nagendran | President And Head Of Rd | 936,410 | 0 | 936,410 | 4.9% | 10 Jul, 2026 |
| 7 | Suyash Prasad | Cmo And Head Of Rd | 530,589 | 0 | 530,589 | 2.8% | 07 Jul, 2022 |
| 8 | Phillip B. Donenberg | Director | 241,289 | 0 | 241,289 | 1.3% | 02 Jun, 2026 |
| 9 | Laura Sepp-Lorenzino | Director | 127,178 | 0 | 127,178 | 0.7% | 02 Jun, 2026 |
| 10 | Alison S Long | Director | 127,178 | 0 | 127,178 | 0.7% | 02 Jun, 2026 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 10 Jul, 2026 | Sukumar Nagendran | President And Head Of Rd | Disposed S | 200,000 | $6.24 | $1.25Mn | 936,410 | Direct |
| 01 Jun, 2026 | Phillip B. Donenberg | Director | Acquired A | 21,335 | $0.00 | $0 | 241,289 | Direct |
| 01 Jun, 2026 | John A Iii Stalfort | Director | Acquired A | 21,335 | $0.00 | $0 | 1,176,559 | Direct |
| 01 Jun, 2026 | Alison S Long | Director | Acquired A | 21,335 | $0.00 | $0 | 127,178 | Direct |
| 01 Jun, 2026 | Laura Sepp-Lorenzino | Director | Acquired A | 21,335 | $0.00 | $0 | 127,178 | Direct |
| 01 Jun, 2026 | Laura Sepp-Lorenzino | Director | Acquired A | 42,671 | $0.00 | $0 | 42,671 | Direct |
| 01 Jun, 2026 | Phillip B. Donenberg | Director | Acquired A | 42,671 | $0.00 | $0 | 42,671 | Direct |
| 01 Jun, 2026 | Alison S Long | Director | Acquired A | 42,671 | $0.00 | $0 | 42,671 | Direct |
| 01 Jun, 2026 | John A Iii Stalfort | Director | Acquired A | 42,671 | $0.00 | $0 | 42,671 | Direct |
| 10 Apr, 2026 | Sukumar Nagendran | President And Head Of Rd | Acquired M | 19,021 | $1.71 | $32.53K | 1,336,410 | Direct |
| 10 Apr, 2026 | Sukumar Nagendran | President And Head Of Rd | Disposed S | 200,000 | $4.46 | $892.00K | 1,136,410 | Direct |
| 10 Apr, 2026 | Sukumar Nagendran | President And Head Of Rd | Disposed M | 19,021 | $0.00 | $0 | 455,920 | Direct |
| 04 Feb, 2026 | Kamran Alam | Chief Financial Officer | Disposed S | 1,655 | $4.52 | $7.48K | 1,442,131 | Direct |
| 23 Jan, 2026 | Sukumar Nagendran | President And Head Of Rd | Disposed S | 89,132 | $4.75 | $423.38K | 1,344,307 | Direct |
| 23 Jan, 2026 | Kamran Alam | Chief Financial Officer | Disposed S | 78,968 | $4.75 | $375.10K | 1,467,635 | Direct |
| 23 Jan, 2026 | Sean P. Nolan | Chief Executive Officer | Disposed S | 136,789 | $4.75 | $649.75K | 2,949,569 | Direct |
| 26 Jan, 2026 | Sukumar Nagendran | President And Head Of Rd | Disposed S | 26,918 | $4.61 | $124.09K | 1,317,389 | Direct |
| 26 Jan, 2026 | Kamran Alam | Chief Financial Officer | Disposed S | 23,849 | $4.61 | $109.94K | 1,443,786 | Direct |
| 26 Jan, 2026 | Sean P. Nolan | Chief Executive Officer | Disposed S | 41,312 | $4.61 | $190.45K | 2,908,257 | Direct |
| 12 Jan, 2026 | Sean P. Nolan | Chief Executive Officer | Acquired A | 1,008,000 | $0.00 | $0 | 3,086,358 | Direct |