TSHA insider buying and SEC filings, explained
Taysha Gene Therapies, Inc. · CIK 1806310
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$1.9M
Planned sales (10b5-1)
$3.1M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Jul 10, 2026 | Planned (10b5-1) | Sukumar Nagendran (President / COO and Director) sold 200,000 shares at about $6.24 ($1.2M), marked as a 10b5-1 plan trade. Holdings down 18% to 936,410 shares. | SEC filing Filed Jul 10, 2026 |
| Apr 10, 2026 | Planned (10b5-1) | Sukumar Nagendran (President / COO and Director) sold 200,000 shares at about $4.46 ($892K), marked as a 10b5-1 plan trade. Holdings down 15% to 1,136,410 shares. | SEC filing Filed Apr 13, 2026 |
| Feb 4, 2026 | Sale | Kamran Alam (CFO) sold 1,655 shares at $4.52 ($7K). Holdings down <1% to 1,442,131 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 6, 2026 |
| Jan 23–26, 2026 | Sale | Kamran Alam (CFO) sold 102,817 shares between Jan 23 and Jan 26 at about $4.72 ($485K). Holdings down 7% to 1,443,786 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 27, 2026 |
| Jan 23–26, 2026 | Sale | Sukumar Nagendran (President / COO and Director) sold 116,050 shares between Jan 23 and Jan 26 at about $4.72 ($547K). Holdings down 8% to 1,317,389 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 27, 2026 |
| Jan 23–26, 2026 | Sale | Sean P. Nolan (CEO and Director) sold 178,101 shares between Jan 23 and Jan 26 at about $4.72 ($840K). Holdings down 6% to 2,908,257 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 27, 2026 |
| Jan 12, 2026 | Planned (10b5-1) | Sukumar Nagendran (President / COO and Director) sold 200,000 shares at about $4.71 ($942K), marked as a 10b5-1 plan trade. Holdings down 17% to 1,006,439 shares. | SEC filing Filed Jan 14, 2026 |
10 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
No cluster buys in the last 12 months.
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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