TSHA Taysha Gene Therapies, Inc.
Nasdaq · SEC CIK 1806310 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $6.66M 8 sales by 3 insiders
- Filings on record
- 84 since 2021-07-01, latest 2026-07-10 18:54
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Nagendran Sukumar | Pres, Head of R, D, Dir | — | $5.33M |
| Nolan Sean P. | CEO, Dir | — | $840.2K |
| Alam Kamran | CFO | — | $492.5K |
| Long Alison S | Dir | — | — |
| Sepp-Lorenzino Laura | Dir | — | — |
| Stalfort John A III | Dir | — | — |
| Donenberg Phillip B. | Dir | — | — |
Transactions 69
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| T | 2026-07-10 18:54 | 2026-07-10 | TSHA | Nagendran Sukumar | Pres, Head of R, D, Dir | S - Sale | $6.24 | -200.0K | 936.4K | -18% | -$1.25M |
| D | 2026-06-02 16:30 | 2026-06-01 | TSHA | Stalfort John A III | Dir | A - Grant | $0.00 | +21.3K | 1.18M | +2% | $0 |
| D | 2026-06-02 16:30 | 2026-06-01 | TSHA | Donenberg Phillip B. | Dir | A - Grant | $0.00 | +21.3K | 241.3K | +10% | $0 |
| D | 2026-06-02 16:30 | 2026-06-01 | TSHA | Long Alison S | Dir | A - Grant | $0.00 | +21.3K | 127.2K | +20% | $0 |
| D | 2026-06-02 16:30 | 2026-06-01 | TSHA | Sepp-Lorenzino Laura | Dir | A - Grant | $0.00 | +21.3K | 127.2K | +20% | $0 |
| DT | 2026-04-13 16:33 | 2026-04-10 | TSHA | Nagendran Sukumar | Pres, Head of R, D, Dir | M - OptEx | $1.71 | +19.0K | 1.34M | +1% | +$32.5K |
| DT | 2026-04-13 16:33 | 2026-04-10 | TSHA | Nagendran Sukumar | Pres, Head of R, D, Dir | S - Sale+OE | $4.46 | -200.0K | 1.14M | -15% | -$892.0K |
| 2026-02-06 | 2026-02-04 | TSHA | Alam Kamran | CFO | S - Sale | $4.52 | -1,655 | 1.44M | -0.1% | -$7,481 | |
| M | 2026-01-27 | 2026-01-23+ | TSHA | Nagendran Sukumar | Pres, Head of R, D, Dir | S - Sale | $4.72 | -116.0K | 1.32M | -8% | -$547.5K |
| M | 2026-01-27 | 2026-01-23+ | TSHA | Nolan Sean P. | CEO, Dir | S - Sale | $4.72 | -178.1K | 2.95M | -6% | -$840.2K |
| M | 2026-01-27 | 2026-01-23+ | TSHA | Alam Kamran | CFO | S - Sale | $4.72 | -102.8K | 1.44M | -7% | -$485.0K |
| D | 2026-01-14 | 2026-01-12 | TSHA | Alam Kamran | CFO | A - Grant | $0.00 | +359.0K | 1.55M | +30% | $0 |
| DM | 2026-01-14 | 2026-01-12 | TSHA | Nagendran Sukumar | Pres, Head of R, D, Dir | M - OptEx | $1.15 | +200.0K | 1.12M | +22% | +$229.6K |
| D | 2026-01-14 | 2026-01-12 | TSHA | Nagendran Sukumar | Pres, Head of R, D, Dir | S - Sale+OE | $4.71 | -200.0K | 1.01M | -17% | -$942.0K |
| D | 2026-01-14 | 2026-01-12 | TSHA | Nagendran Sukumar | Pres, Head of R, D, Dir | A - Grant | $0.00 | +427.0K | 1.43M | +42% | $0 |
| D | 2026-01-14 | 2026-01-12 | TSHA | Nolan Sean P. | CEO, Dir | A - Grant | $0.00 | +1.01M | 3.09M | +48% | $0 |
| DM | 2025-12-01 | 2025-11-28+ | TSHA | Nagendran Sukumar | Pres, Head of R, D, Dir | S - Sale+OE | $4.58 | -370.2K | 1.01M | -27% | -$1.70M |
| DM | 2025-12-01 | 2025-11-28+ | TSHA | Nagendran Sukumar | Pres, Head of R, D, Dir | M - OptEx | $1.52 | +370.2K | 1.27M | +41% | +$562.1K |
| D | 2025-09-12 | 2025-09-10 | TSHA | Nagendran Sukumar | Pres, Head of R, D, Dir | M - OptEx | $0.7 | +41.1K | 1.21M | +4% | +$28.8K |
| D | 2025-09-12 | 2025-09-10 | TSHA | Nagendran Sukumar | Pres, Head of R, D, Dir | S - Sale+OE | $3.23 | -200.0K | 1.01M | -17% | -$646.0K |
| 2025-08-22 | 2025-08-21 | TSHA | Nagendran Sukumar | Pres, Head of R, D, Dir | S - Sale | $2.85 | -57.1K | 1.17M | -5% | -$162.6K | |
| 2025-08-22 | 2025-08-21 | TSHA | Alam Kamran | CFO | S - Sale | $2.85 | -54.5K | 1.19M | -4% | -$155.3K | |
| D | 2025-06-04 | 2025-06-02 | TSHA | Stalfort John A III | Dir | A - Grant | $0.00 | +56.6K | 1.16M | +5% | $0 |
| D | 2025-06-04 | 2025-06-02 | TSHA | Donenberg Phillip B. | Dir | A - Grant | $0.00 | +56.6K | 220.0K | +35% | $0 |
| D | 2025-06-04 | 2025-06-02 | TSHA | Long Alison S | Dir | A - Grant | $0.00 | +56.6K | 105.8K | +115% | $0 |
| D | 2025-06-04 | 2025-06-02 | TSHA | Sepp-Lorenzino Laura | Dir | A - Grant | $0.00 | +56.6K | 105.8K | +115% | $0 |
| I | 2025-06-03 | 2025-05-30 | TSHA | Manning Paul B | 10% | P - Purchase | $2.75 | +750.0K | 2.84M | +36% | +$2.06M |
| 2025-03-13 | 2025-03-11 | TSHA | Alam Kamran | CFO | F - Tax | $1.69 | -29.8K | 1.24M | -2% | -$50.4K | |
| D | 2025-01-03 | 2025-01-02 | TSHA | Nolan Sean P. | CEO, Dir | A - Grant | $0.00 | +892.5K | 2.08M | +75% | $0 |
| D | 2025-01-03 | 2025-01-02 | TSHA | Alam Kamran | CFO | A - Grant | $0.00 | +431.0K | 1.27M | +51% | $0 |
| D | 2025-01-03 | 2025-01-02 | TSHA | Nagendran Sukumar | Pres, Head of R, D, Dir | A - Grant | $0.00 | +324.5K | 1.22M | +36% | $0 |
| 2024-07-01 | 2024-06-27 | TSHA | Manning Paul B | 10% | P - Purchase | $2.25 | +1.33M | 1.33M | New | +$3.00M | |
| D | 2024-05-31 | 2024-05-29 | TSHA | Stalfort John A III | Dir | A - Grant | $0.00 | +49.2K | 1.10M | +5% | $0 |
| D | 2024-05-31 | 2024-05-29 | TSHA | Sepp-Lorenzino Laura | Dir | A - Grant | $0.00 | +49.2K | 49.2K | New | $0 |
| D | 2024-05-31 | 2024-05-29 | TSHA | Donenberg Phillip B. | Dir | A - Grant | $0.00 | +49.2K | 163.3K | +43% | $0 |
| D | 2024-05-31 | 2024-05-29 | TSHA | Long Alison S | Dir | A - Grant | $0.00 | +49.2K | 49.2K | New | $0 |
| 2024-02-06 | 2024-02-02 | TSHA | Alam Kamran | CFO | F - Tax | $1.51 | -1,288 | 840.9K | -0.2% | -$1,945 | |
| D | 2024-01-04 | 2024-01-02 | TSHA | Alam Kamran | CFO | A - Grant | $0.00 | +590.4K | 842.2K | +234% | $0 |
| D | 2024-01-04 | 2024-01-02 | TSHA | Nolan Sean P. | CEO, Dir | A - Grant | $0.00 | +1.18M | 1.19M | +101,255% | $0 |
| D | 2024-01-04 | 2024-01-02 | TSHA | Nagendran Sukumar | Pres, Head of R, D, Dir | A - Grant | $0.00 | +863.6K | 897.8K | +2,523% | $0 |
| I | 2023-11-20 | 2023-11-17 | TSHA | Manning Paul B | 10% | P - Purchase | $1.63 | +100.0K | 16.57M | +0.6% | +$163.0K |
| 2023-08-25 | 2023-08-24 | TSHA | Alam Kamran | CFO | S - Sale | $2.33 | -33.0K | 258.0K | -11% | -$76.9K | |
| 2023-08-16 | 2023-08-16 | TSHA | Donenberg Phillip B. | Dir | P - Purchase | $0.9 | +111.1K | 114.1K | +3,704% | +$100.0K | |
| I | 2023-08-16 | 2023-08-16 | TSHA | Stalfort John A III | Dir | P - Purchase | $0.9 | +388.9K | 884.3K | +78% | +$350.0K |
| 2023-08-16 | 2023-08-16 | TSHA | Stalfort John A III | Dir | P - Purchase | $0.9 | +388.9K | 999.4K | +64% | +$350.0K | |
| 2023-08-16 | 2023-08-16 | TSHA | Stalfort John A III | Dir | G - Gift | $0.00 | +50.0K | 1.05M | +5% | $0 | |
| I | 2023-08-16 | 2023-08-16 | TSHA | Manning Paul B | 10% | P - Purchase | $0.9 | +16.47M | 16.47M | New | +$14.82M |
| I | 2023-08-16 | 2023-08-16 | TSHA | Nolan Sean P. | CEO, Dir | P - Purchase | $0.9 | +444.4K | 1.54M | +41% | +$400.0K |
| M | 2023-07-14 | 2023-07-12+ | TSHA | Session R.A. II | 10% | S - Sale | $0.7094 | -85.9K | 8.88M | -1.0% | -$60.9K |
| M | 2023-06-26 | 2023-06-22+ | TSHA | Session R.A. II | 10% | S - Sale | $0.7 | -28.6K | 8.98M | -0.3% | -$20.0K |
| M | 2023-06-22 | 2023-06-20+ | TSHA | Session R.A. II | 10% | S - Sale | $0.7068 | -434.6K | 9.13M | -5% | -$307.2K |
| 2023-06-02 | 2023-05-31 | TSHA | Alam Kamran | CFO | A - Grant | — | +6,230 | 291.0K | +2% | — | |
| 2023-05-18 | 2023-05-16 | TSHA | Nagendran Sukumar | Pres, Head of R, D, Dir | P - Purchase | $0.68 | +5,000 | 34.2K | +17% | +$3,400 | |
| D | 2023-03-08 | 2023-03-06 | TSHA | Session R.A. II | 10% | J - Other | $0.00 | +251.3K | 9.42M | +3% | $0 |
| D | 2023-02-06 | 2023-02-02 | TSHA | Alam Kamran | CFO | A - Grant | — | +18.7K | 284.8K | +7% | — |
| 2022-11-02 | 2022-10-31 | TSHA | Manning Paul B | Dir, 10% | P - Purchase | $2.00 | +1.50M | 1.64M | +1,055% | +$3.00M | |
| 2022-08-24 | 2022-08-23 | TSHA | Alam Kamran | CFO | S - Sale | $3.47 | -3,325 | 266.1K | -1% | -$11.5K | |
| M | 2022-08-22 | 2022-08-18+ | TSHA | Alam Kamran | CFO | S - Sale | $3.70 | -28.7K | 269.4K | -10% | -$106.0K |
| M | 2022-07-07 | 2022-07-05+ | TSHA | PRASAD SUYASH | CMO, Head of R, D | S - Sale | $3.70 | -12.9K | 530.6K | -2% | -$47.6K |
| M | 2022-07-01 | 2022-06-29+ | TSHA | PRASAD SUYASH | CMO, Head of R, D | S - Sale | $3.65 | -50.1K | 581.3K | -8% | -$183.1K |
| MI | 2022-02-04 | 2022-02-02+ | TSHA | Manning Paul B | Dir, 10% | P - Purchase | $7.79 | +93.6K | 2.07M | +5% | +$729.1K |
| M | 2022-02-04 | 2022-02-02+ | TSHA | Manning Paul B | Dir, 10% | P - Purchase | $7.80 | +108.0K | 92.2K | New | +$842.7K |
| 2022-02-03 | 2022-02-02 | TSHA | Nagendran Sukumar | Dir | P - Purchase | $8.01 | +10.0K | 29.2K | +52% | +$80.1K | |
| 2022-02-03 | 2022-02-02 | TSHA | Donenberg Phillip B. | Dir | P - Purchase | $7.78 | +3,000 | 3,000 | New | +$23.3K | |
| M | 2021-12-08 | 2021-11-23 | TSHA | Session R.A. II | Pres, CEO, Dir, 10% | P - Purchase | $12.44 | +42.5K | 9.19M | +0.5% | +$529.1K |
| 2021-11-29 | 2021-11-24 | TSHA | Manning Paul B | Dir, 10% | P - Purchase | $13.19 | +2,202 | 34.2K | +7% | +$29.0K | |
| 2021-11-24 | 2021-11-23 | TSHA | Manning Paul B | Dir, 10% | P - Purchase | $12.54 | +20.0K | 32.0K | +167% | +$250.8K | |
| M | 2021-08-20 | 2021-08-18+ | TSHA | Alam Kamran | CFO | S - Sale | $16.88 | -33.0K | 310.0K | -10% | -$557.0K |
| M | 2021-07-01 | 2021-06-29+ | TSHA | PRASAD SUYASH | CMO, Head of R, D | S - Sale | $22.63 | -79.0K | 633.4K | -11% | -$1.79M |
Purchase Sale Sale after option exercise All abbreviations