TSHA — Taysha Gene Therapies, Inc.
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2020-09-24.
Performance
Technicals
Others in Healthcare
Measured signals that fired on TSHA
| date | signal | measured base rate |
|---|---|---|
| 2026-08-05 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-06-30 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-06-26 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-05-15 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-04-23 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
| 2026-04-15 | Breakout to a 52-week high price | -1.00% over 21 days · t = -8.58 · n = 24,386 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-07-10 | Nagendran Sukumar President and Head of R&D | Open-market sale 10b5-1 plan | 200.0K | 6.24 | 1.2M |
| 2026-06-01 | Donenberg Phillip B. Director | Grant or award | 21.3K | 0.00 | 0 |
| 2026-06-01 | Sepp-Lorenzino Laura Director | Grant or award | 21.3K | 0.00 | 0 |
| 2026-06-01 | Stalfort John A III Director | Grant or award | 21.3K | 0.00 | 0 |
| 2026-06-01 | Long Alison S Director | Grant or award | 21.3K | 0.00 | 0 |
| 2026-04-10 | Nagendran Sukumar President and Head of R&D | Open-market sale 10b5-1 plan | 200.0K | 4.46 | 892.0K |
| 2026-04-10 | Nagendran Sukumar President and Head of R&D | Option exercise 10b5-1 plan | 19.0K | 1.71 | 32.5K |
| 2026-02-04 | Alam Kamran CHIEF FINANCIAL OFFICER | Open-market sale | 1.7K | 4.52 | 7.5K |
| 2026-01-26 | Nolan Sean P. Chief Executive Officer | Open-market sale | 41.3K | 4.61 | 190.4K |
| 2026-01-26 | Nagendran Sukumar President and Head of R&D | Open-market sale | 26.9K | 4.61 | 124.1K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | 105.3M | 23.6M |
| GOLDMAN SACHS GROUP INC | 100.0M | 22.4M |
| Avoro Capital Advisors LLC | 97.0M | 21.7M |
| BlackRock, Inc. | 82.1M | 18.4M |
| Vestal Point Capital, LP | 80.5M | 18.0M |
| MORGAN STANLEY | 80.3M | 18.0M |
| FMR LLC | 64.0M | 14.3M |
| RTW INVESTMENTS, LP | 61.2M | 13.7M |
| STATE STREET CORP | 50.1M | 11.2M |
| VANGUARD CAPITAL MANAGEMENT LLC | 45.7M | 10.2M |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Latest SEC filings
| form | filed | period | |
|---|---|---|---|
| SCHEDULE 13G/A | 2026-08-14 | — | on EDGAR ↗ |
| 10-Q | 2026-08-11 | 2026-06-30 | on EDGAR ↗ |
| 8-K | 2026-08-11 | 2026-08-11 | on EDGAR ↗ |
| 4 | 2026-07-10 | 2026-07-10 | on EDGAR ↗ |
| 144 | 2026-07-10 | — | on EDGAR ↗ |
| 8-K | 2026-06-25 | 2026-06-24 | on EDGAR ↗ |
| 424B5 | 2026-06-25 | — | on EDGAR ↗ |
| 424B5 | 2026-06-24 | — | on EDGAR ↗ |
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
Recent headlines
- Taysha Gene Therapies (TSHA) Q2 2026 Earnings Call · 2026-08-18
- Why is Taysha Gene Therapies stock sliding today? · 2026-08-12
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