Taysha Gene Therapies, Inc.
TSHAFigures shown here come from public SEC filings. Dates beside each section show the available history.
How Taysha Gene Therapies, Inc. Makes Money
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From revenue to net income
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Source: Taysha Gene Therapies, Inc. — 10-K filed Mar 19, 2026
Financial Summary
Choose a year or quarter, compare it with the same period a year earlier, and open any row for its full filing history.
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SEC filings supply these figures; updates after the dates shown are not included. This page includes 6 annual periods. The latest annual period ends Dec 31, 2025. The latest insider filing shown is dated Jun 2, 2026. The latest institutional report shown is dated Mar 31, 2026; other ownership filings may exist.
Ownership
Who holds the shares, as reported in SEC ownership filings.
Reported 13F positions
Each row shows what a filer reported for one date, not a current position. The link opens that filing.
| Filer | Report date | Shares | Value | Filing |
|---|---|---|---|---|
| Hennion & Walsh Asset Management, Inc. | 2026-03-31 | 391,476 | $1.75M | SEC filing |
| Granahan Investment Management, LLC | 2026-03-31 | 883,241 | $3.95M | SEC filing |
| Police & Firemen's Retirement System of New Jersey | 2026-03-31 | 57,168 | $256K | SEC filing |
| WELLS FARGO & COMPANY/MN | 2026-03-31 | 183,334 | $820K | SEC filing |
| Sands Capital Alternatives, LLC | 2026-03-31 | 724,873 | $3.24M | SEC filing |
| IFP Advisors, Inc | 2026-03-31 | 14 | $63 | SEC filing |
| NEUBERGER BERMAN GROUP LLC | 2026-03-31 | 10,823 | $48.4K | SEC filing |
| PRUDENTIAL FINANCIAL INC | 2026-03-31 | 33,820 | $151K | SEC filing |
| Avoro Capital Advisors LLC | 2026-03-31 | 21,700,000 | $97M | SEC filing |
| RED REEF ADVISORS LLC | 2026-03-31 | 65,950 | $295K | SEC filing |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 2026-03-31 | 124,730 | $549K | SEC filing |
| Ameritas Advisory Services, LLC | 2026-03-31 | 1 | $4 | SEC filing |
| SBI Securities Co., Ltd. | 2026-03-31 | 15 | $67 | SEC filing |
| Williams & Novak, LLC | 2026-03-31 | 45,000 | $194K | SEC filing |
| Ensign Peak Advisors, Inc | 2026-03-31 | 275,111 | $1.23M | SEC filing |
| ROYAL BANK OF CANADA | 2026-03-31 | 191 | $1K | SEC filing |
| FIRST MANHATTAN CO. LLC. | 2026-03-31 | 43,500 | $194K | SEC filing |
| Allegheny Financial Group | 2026-03-31 | 12,000 | $53.6K | SEC filing |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2026-03-31 | 1,808,599 | $8.08M | SEC filing |
| Rafferty Asset Management, LLC | 2026-03-31 | 299,903 | $1.34M | SEC filing |
120 filers have only one report here.
Unusually large insider trades
Each trade is compared with the other insider trades of the same kind in the same security among Taysha Gene Therapies, Inc.'s recent filings on file. Size alone is context, not a prediction or evidence of improper trading.
- 2026-04-10 · Nagendran Sukumar: Larger than 37 of the 41 other insider sales of Common Stock on file. SEC filing
- 2026-01-12 · Nagendran Sukumar: Larger than 37 of the 41 other insider sales of Common Stock on file. SEC filing
- 2025-12-01 · Nagendran Sukumar: Larger than 40 of the 41 other insider sales of Common Stock on file. SEC filing
- 2025-09-10 · Nagendran Sukumar: Larger than 37 of the 41 other insider sales of Common Stock on file. SEC filing
- 2023-06-20 · Session R.A. II: Larger than all 41 other insider sales of Common Stock on file. SEC filing
Independent insiders buying near the same time
- 2022-02-02–2022-02-03: 7 event(s) across 3 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing , filing , filing , filing )
- 2021-11-23–2021-11-24: 4 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing )
- 2021-05-14–2021-05-20: 2 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing )
Purchases & sales (open market or private)
| Security | Code | Price | Filing | |||
|---|---|---|---|---|---|---|
| 2026-04-10 | Nagendran Sukumar · President and Head of R&D | Common Stock | S — Open market or private sale | −200,000 | 4.46 | SEC filing |
| 2026-02-04 | Alam Kamran · CHIEF FINANCIAL OFFICER | Common Stock | S — Open market or private sale | −1,655 | 4.52 | SEC filing |
| 2026-01-26 | Nagendran Sukumar · President and Head of R&D | Common Stock | S — Open market or private sale | −26,918 | 4.61 | SEC filing |
| 2026-01-26 | Nolan Sean P. · Chief Executive Officer | Common Stock | S — Open market or private sale | −41,312 | 4.61 | SEC filing |
| 2026-01-26 | Alam Kamran · CHIEF FINANCIAL OFFICER | Common Stock | S — Open market or private sale | −23,849 | 4.61 | SEC filing |
| 2026-01-23 | Nolan Sean P. · Chief Executive Officer | Common Stock | S — Open market or private sale | −136,789 | 4.75 | SEC filing |
| 2026-01-23 | Nagendran Sukumar · President and Head of R&D | Common Stock | S — Open market or private sale | −89,132 | 4.75 | SEC filing |
| 2026-01-23 | Alam Kamran · CHIEF FINANCIAL OFFICER | Common Stock | S — Open market or private sale | −78,968 | 4.75 | SEC filing |
Showing 8 of 20 rows
Grants, exercises, tax & gifts
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2026-06-01 | Donenberg Phillip B. · Director | Common Stock | A — Grant, award, or other acquisition | +21,335 | SEC filing |
| 2026-06-01 | Stalfort John A III · Director | Common Stock | A — Grant, award, or other acquisition | +21,335 | SEC filing |
| 2026-06-01 | Donenberg Phillip B. · Director | Stock Option (right to buy) | A — Grant, award, or other acquisition | +42,671 | SEC filing |
| 2026-06-01 | Long Alison S · Director | Stock Option (right to buy) | A — Grant, award, or other acquisition | +42,671 | SEC filing |
| 2026-06-01 | Long Alison S · Director | Common Stock | A — Grant, award, or other acquisition | +21,335 | SEC filing |
| 2026-06-01 | Stalfort John A III · Director | Stock Option (right to buy) | A — Grant, award, or other acquisition | +42,671 | SEC filing |
| 2026-06-01 | Sepp-Lorenzino Laura · Director | Common Stock | A — Grant, award, or other acquisition | +21,335 | SEC filing |
| 2026-06-01 | Sepp-Lorenzino Laura · Director | Stock Option (right to buy) | A — Grant, award, or other acquisition | +42,671 | SEC filing |
Showing 8 of 24 rows
Other activity
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2023-03-06 | Session R.A. II · 10% owner | Employee Stock Option (right to buy) | D — Disposition to the issuer | −199,500 | SEC filing |
| 2023-03-06 | Session R.A. II · 10% owner | Common Stock | J — Other acquisition or disposition | +251,296 | SEC filing |
Showing 2 of 2 rows
These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.