In the last 12 months, insiders at Taysha Gene Therapies, Inc. ($TSHA) filed 64 transactions with the SEC: 2 open-market purchases totaling $5,062,499 and 13 sales totaling $5,481,997. Net insider sentiment: net selling.
Taysha Gene Therapies, Inc. operates in the Biological products, (no disgnostic substances) industry (Life sciences sector).
Most Active Insiders
- Manning Paul B (Not found) — 2 transactions totaling $5,062,499
- Nagendran Sukumar (President and Head of R&D) — 25 transactions totaling $4,814,222
- Nolan Sean P. (Chief Executive Officer) — 8 transactions totaling $840,196
- Alam Kamran (CHIEF FINANCIAL OFFICER) — 11 transactions totaling $700,201
- Stalfort John A III (Not found) — 4 transactions totaling $0
View all SEC Filings for Taysha Gene Therapies, Inc. (TSHA).
Set Up your own filters →Recent Insider Transactions
| Transaction Date | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 4, 2026 | Alam Kamran | CHIEF FINANCIAL OFFICER | S | Common Stock | 1655 | $4.52 | 1,442,131.0000 | 353,309,524 | 0.11% | 0.00% |
| Jan. 23, 2026 | Nolan Sean P. | Chief Executive Officer | S | Common Stock | 136789 | $4.75 | 4,485,114.0000 | 353,309,524 | 2.96% | 0.04% |
| Jan. 26, 2026 | Nagendran Sukumar | President and Head of R&D | S | Common Stock | 26918 | $4.61 | 1,317,389.0000 | 353,309,524 | 2.00% | 0.01% |
| Jan. 26, 2026 | Nolan Sean P. | Chief Executive Officer | S | Common Stock | 41312 | $4.61 | 4,443,802.0000 | 353,309,524 | 0.92% | 0.01% |
| Jan. 26, 2026 | Alam Kamran | CHIEF FINANCIAL OFFICER | S | Common Stock | 23849 | $4.61 | 1,443,786.0000 | 353,309,524 | 1.62% | 0.01% |
| Jan. 23, 2026 | Alam Kamran | CHIEF FINANCIAL OFFICER | S | Common Stock | 78968 | $4.75 | 1,467,635.0000 | 353,309,524 | 5.11% | 0.02% |
| Jan. 23, 2026 | Nagendran Sukumar | President and Head of R&D | S | Common Stock | 89132 | $4.75 | 1,344,307.0000 | 353,309,524 | 6.22% | 0.03% |
| Jan. 12, 2026 | Nagendran Sukumar | President and Head of R&D | S | Common Stock | 200000 | $4.71 | 1,006,439.0000 | 353,309,524 | 16.58% | 0.06% |
| Jan. 12, 2026 | Nagendran Sukumar | President and Head of R&D | M | Common Stock | 88676 | $1.71 | 1,206,439.0000 | 353,309,524 | 7.93% | 0.03% |
| Jan. 12, 2026 | Nagendran Sukumar | President and Head of R&D | M | Common Stock | 111324 | $0.70 | 1,117,763.0000 | 353,309,524 | 11.06% | 0.03% |
| Jan. 12, 2026 | Alam Kamran | CHIEF FINANCIAL OFFICER | A | Common Stock | 359000 | $0.00 | 1,546,603.0000 | 353,309,524 | 30.23% | 0.10% |
| Jan. 12, 2026 | Alam Kamran | CHIEF FINANCIAL OFFICER | A | Employee Stock Option (right to buy) | 231000 | $0.00 | 231,000.0000 | 353,309,524 | 9999.99% | 0.07% |
| Jan. 12, 2026 | Nolan Sean P. | Chief Executive Officer | A | Employee Stock Option (right to buy) | 648000 | $0.00 | 648,000.0000 | 353,309,524 | 9999.99% | 0.18% |
| Jan. 12, 2026 | Nolan Sean P. | Chief Executive Officer | A | Common Stock | 1008000 | $0.00 | 4,621,903.0000 | 353,309,524 | 27.89% | 0.29% |
| Jan. 12, 2026 | Nagendran Sukumar | President and Head of R&D | A | Employee Stock Option (right to buy) | 274000 | $0.00 | 274,000.0000 | 353,309,524 | 9999.99% | 0.08% |
| Jan. 12, 2026 | Nagendran Sukumar | President and Head of R&D | M | Employee Stock Option (right to buy) | 88676 | $0.00 | 474,941.0000 | 353,309,524 | 15.73% | 0.03% |
| Jan. 12, 2026 | Nagendran Sukumar | President and Head of R&D | M | Employee Stock Option (right to buy) | 111324 | $0.00 | 111,359.0000 | 353,309,524 | 49.99% | 0.03% |
| Jan. 12, 2026 | Nagendran Sukumar | President and Head of R&D | A | Common Stock | 427000 | $0.00 | 1,433,439.0000 | 353,309,524 | 42.43% | 0.12% |
| Nov. 28, 2025 | Nagendran Sukumar | President and Head of R&D | M | Common Stock | 39953 | $1.71 | 1,116,564.0000 | 353,309,524 | 3.71% | 0.01% |
| Dec. 1, 2025 | Nagendran Sukumar | President and Head of R&D | M | Employee Stock Option (right to buy) | 260047 | $0.00 | 563,617.0000 | 353,309,524 | 31.57% | 0.07% |
| Nov. 28, 2025 | Nagendran Sukumar | President and Head of R&D | M | Employee Stock Option (right to buy) | 39953 | $0.00 | 823,664.0000 | 353,309,524 | 4.63% | 0.01% |
| Nov. 28, 2025 | Nagendran Sukumar | President and Head of R&D | M | Employee Stock Option (right to buy) | 70172 | $0.00 | 222,683.0000 | 353,309,524 | 23.96% | 0.02% |
| Dec. 1, 2025 | Nagendran Sukumar | President and Head of R&D | S | Common Stock | 260047 | $4.51 | 1,006,439.0000 | 353,309,524 | 20.53% | 0.07% |
| Dec. 1, 2025 | Nagendran Sukumar | President and Head of R&D | M | Common Stock | 260047 | $1.71 | 1,266,486.0000 | 353,309,524 | 25.84% | 0.07% |
| Nov. 28, 2025 | Nagendran Sukumar | President and Head of R&D | S | Common Stock | 110125 | $4.75 | 1,006,439.0000 | 353,309,524 | 9.86% | 0.03% |
| Nov. 28, 2025 | Nagendran Sukumar | President and Head of R&D | M | Common Stock | 70172 | $0.70 | 1,076,611.0000 | 353,309,524 | 6.97% | 0.02% |
| Sept. 10, 2025 | Nagendran Sukumar | President and Head of R&D | M | Common Stock | 41150 | $0.70 | 1,206,439.0000 | 250,134,421 | 3.53% | 0.02% |
| Sept. 10, 2025 | Nagendran Sukumar | President and Head of R&D | S | Common Stock | 200000 | $3.23 | 1,006,439.0000 | 250,134,421 | 16.58% | 0.08% |
| Sept. 10, 2025 | Nagendran Sukumar | President and Head of R&D | M | Employee Stock Option (right to buy) | 41150 | $0.00 | 292,855.0000 | 250,134,421 | 12.32% | 0.02% |
| Aug. 21, 2025 | Alam Kamran | CHIEF FINANCIAL OFFICER | S | Common Stock | 54491 | $2.85 | 1,187,603.0000 | 250,134,421 | 4.39% | 0.02% |
| Aug. 21, 2025 | Nagendran Sukumar | President and Head of R&D | S | Common Stock | 57054 | $2.85 | 1,165,289.0000 | 250,134,421 | 4.67% | 0.02% |
| June 2, 2025 | Donenberg Phillip B. | Not found | A | Stock Option (right to buy) | 113246 | $0.00 | 113,246.0000 | 250,134,421 | 9999.99% | 0.05% |
| June 2, 2025 | Donenberg Phillip B. | Not found | A | Common Stock | 56623 | $0.00 | 219,954.0000 | 250,134,421 | 34.67% | 0.02% |
| June 2, 2025 | Stalfort John A III | Not found | A | Stock Option (right to buy) | 113246 | $0.00 | 113,246.0000 | 250,134,421 | 9999.99% | 0.05% |
| June 2, 2025 | Long Alison S | Not found | A | Stock Option (right to buy) | 113246 | $0.00 | 113,246.0000 | 250,134,421 | 9999.99% | 0.05% |
| June 2, 2025 | Long Alison S | Not found | A | Common Stock | 56623 | $0.00 | 105,843.0000 | 250,134,421 | 115.04% | 0.02% |
| June 2, 2025 | Stalfort John A III | Not found | A | Common Stock | 56623 | $0.00 | 2,039,514.0000 | 250,134,421 | 2.86% | 0.02% |
| June 2, 2025 | Sepp-Lorenzino Laura | Not found | A | Stock Option (right to buy) | 113246 | $0.00 | 113,246.0000 | 250,134,421 | 9999.99% | 0.05% |
| June 2, 2025 | Sepp-Lorenzino Laura | Not found | A | Common Stock | 56623 | $0.00 | 105,843.0000 | 250,134,421 | 115.04% | 0.02% |
| May 30, 2025 | Manning Paul B | Not found | P | Common Stock | 750000 | $2.75 | 25,601,111.0000 | 250,134,421 | 3.02% | 0.30% |
| May 31, 2023 | Alam Kamran | CHIEF FINANCIAL OFFICER | A | Employee Stock Option (right to buy) | 12462 | $0.00 | 12,462.0000 | 0 | 9999.99% | 0.00% |
| March 11, 2025 | Alam Kamran | CHIEF FINANCIAL OFFICER | F | Common Stock | 29843 | $1.69 | 1,242,094.0000 | 250,134,421 | 2.35% | 0.01% |
| Jan. 2, 2025 | Nolan Sean P. | Chief Executive Officer | A | Employee Stock Option (right to buy) | 892500 | $0.00 | 892,500.0000 | 250,134,421 | 9999.99% | 0.36% |
| Jan. 2, 2025 | Nolan Sean P. | Chief Executive Officer | A | Common Stock | 892500 | $0.00 | 3,613,903.0000 | 250,134,421 | 32.80% | 0.36% |
| Jan. 2, 2025 | Alam Kamran | CHIEF FINANCIAL OFFICER | A | Employee Stock Option (right to buy) | 431000 | $0.00 | 431,000.0000 | 250,134,421 | 9999.99% | 0.17% |
| Jan. 2, 2025 | Nagendran Sukumar | President and Head of R&D | A | Employee Stock Option (right to buy) | 324500 | $0.00 | 324,500.0000 | 250,134,421 | 9999.99% | 0.13% |
| Jan. 2, 2025 | Nagendran Sukumar | President and Head of R&D | A | Common Stock | 324500 | $0.00 | 1,222,343.0000 | 250,134,421 | 36.14% | 0.13% |
| Jan. 2, 2025 | Alam Kamran | CHIEF FINANCIAL OFFICER | A | Common Stock | 431000 | $0.00 | 1,271,937.0000 | 250,134,421 | 51.25% | 0.17% |
| June 27, 2024 | Manning Paul B | Not found | P | Common Stock | 1333333 | $2.25 | 24,851,111.0000 | 116,121,482 | 5.67% | 1.15% |
| May 29, 2024 | Sepp-Lorenzino Laura | Not found | A | Stock Option (right to buy) | 98440 | $0.00 | 98,440.0000 | 116,121,482 | 9999.99% | 0.08% |
| May 29, 2024 | Sepp-Lorenzino Laura | Not found | A | Common Stock | 49220 | $0.00 | 49,220.0000 | 116,121,482 | 9999.99% | 0.04% |
| May 29, 2024 | Donenberg Phillip B. | Not found | A | Stock Option (right to buy) | 98440 | $0.00 | 98,440.0000 | 116,121,482 | 9999.99% | 0.08% |
| May 29, 2024 | Donenberg Phillip B. | Not found | A | Common Stock | 49220 | $0.00 | 163,331.0000 | 116,121,482 | 43.13% | 0.04% |
| May 29, 2024 | Long Alison S | Not found | A | Stock Option (right to buy) | 98440 | $0.00 | 98,440.0000 | 116,121,482 | 9999.99% | 0.08% |
| May 29, 2024 | Long Alison S | Not found | A | Common Stock | 49220 | $0.00 | 49,220.0000 | 116,121,482 | 9999.99% | 0.04% |
| May 29, 2024 | Stalfort John A III | Not found | A | Stock Option (right to buy) | 98440 | $0.00 | 98,440.0000 | 116,121,482 | 9999.99% | 0.08% |
| May 29, 2024 | Stalfort John A III | Not found | A | Common Stock | 49220 | $0.00 | 1,982,891.0000 | 116,121,482 | 2.55% | 0.04% |
| Feb. 2, 2024 | Alam Kamran | CHIEF FINANCIAL OFFICER | F | Common Stock | 1288 | $1.51 | 840,937.0000 | 116,121,482 | 0.15% | 0.00% |
| Jan. 2, 2024 | Nagendran Sukumar | President and Head of R&D | A | Common Stock | 863617 | $0.00 | 897,843.0000 | 116,121,482 | 2523.28% | 0.74% |
| Jan. 2, 2024 | Nolan Sean P. | Chief Executive Officer | A | Common Stock | 1184688 | $0.00 | 2,721,403.0000 | 116,121,482 | 77.09% | 1.02% |
| Jan. 2, 2024 | Nolan Sean P. | Chief Executive Officer | A | Employee Stock Option (right to buy) | 1184688 | $0.00 | 1,184,688.0000 | 116,121,482 | 9999.99% | 1.02% |
| Jan. 2, 2024 | Alam Kamran | Chief Financial Officer | A | Common Stock | 590413 | $0.00 | 842,225.0000 | 116,121,482 | 234.47% | 0.51% |
| Jan. 2, 2024 | Alam Kamran | Chief Financial Officer | A | Employee Stock Option (right to buy) | 590413 | $0.00 | 590,413.0000 | 116,121,482 | 9999.99% | 0.51% |
| Jan. 2, 2024 | Nagendran Sukumar | President and Head of R&D | A | Employee Stock Option (right to buy) | 863617 | $0.00 | 863,617.0000 | 116,121,482 | 9999.99% | 0.74% |