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Taysha Gene Therapies, Inc. focuses on developing and commercializing adeno-associated virus-based gene therapies for the treatment of monogenic diseases of the central nervous system. The company was incorporated in 2019 and is based in Dallas, Texas.
Roles derived from SEC Form 4 filings.
Actuals from SEC filings; YoY vs the year-ago quarter. Analyst estimates & surprise require a data feed (coming soon).
| Line item | FY2020 | FY2021 | FY2022 | FY2023 | FY2024 | FY2025 |
|---|---|---|---|---|---|---|
| Revenue | — | — | $2.5M | $15.5M | $8.3M | $9.8M |
| Gross profit | — | — | — | — | — | — |
| Operating income | -$43.0M | -$173.3M | -$162.4M | -$72.4M | -$91.5M | -$110.5M |
| Net income | -$60.0M | -$174.5M | -$166.0M | -$111.6M | -$89.3M | -$109.0M |
| Diluted EPS | — | -$4.64 | -$3.78 | -$0.96 | -$0.36 | -$0.34 |
| Operating cash flow | -$30.7M | -$117.0M | -$88.4M | -$73.0M | -$81.2M | -$93.1M |
| Free cash flow | -$30.8M | -$132.3M | -$109.0M | -$76.9M | -$81.6M | -$93.8M |
| Gross margin | — | — | — | — | — | — |
| Operating margin | — | — | -6492.7% | -468.8% | -1097.6% | -1130.6% |
| Net margin | — | — | -6635.3% | -722.1% | -1071.6% | -1115.3% |
| Line item | Q2 '24 | Q3 '24 | Q4 '24 | Q1 '25 | Q2 '25 | Q3 '25 | Q4 '25 | Q1 '26 |
|---|---|---|---|---|---|---|---|---|
| Revenue | $1.1M | $1.8M | $2.0M | $2.3M | $2.0M | $0.00 | $5.5M | $0.00 |
| Gross profit | — | — | — | — | — | — | — | — |
| Operating income | -$21.3M | -$25.9M | -$19.9M | -$21.4M | -$26.8M | -$34.0M | -$28.3M | -$43.5M |
| Net income | -$20.9M | -$25.5M | -$18.8M | -$21.5M | -$26.9M | -$32.7M | -$27.9M | -$42.4M |
| Diluted EPS | -$0.09 | -$0.10 | -$0.07 | -$0.08 | -$0.09 | -$0.09 | -$0.08 | -$0.12 |
| Operating cash flow | -$21.5M | -$21.6M | -$18.3M | -$22.0M | -$20.2M | -$24.2M | -$26.7M | -$40.9M |
| Free cash flow | -$21.7M | -$21.6M | -$18.3M | -$22.4M | -$20.2M | -$24.3M | -$27.0M | -$40.9M |
| Gross margin | — | — | — | — | — | — | — | — |
| Operating margin | -1915.4% | -1448.4% | -985.8% | -930.5% | -1347.1% | — | -516.0% | — |
| Net margin | -1882.0% | -1427.5% | -929.0% | -935.2% | -1353.6% | — | -507.8% | — |
Consensus revenue & EPS estimates and price targets will appear here once a forward-estimates data feed is connected.
| Date | Insider | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|
| 2026-07-10 | Nagendran Sukumar· President and Head of R&D | Sale | 200,000 | $6.24 | $1.2M | filing |
| 2026-06-01 | Stalfort Sean | Award | 21,335 | $0.00 | $0.00 | filing |
| 2026-06-01 | DONENBERG PHILIP B | Award | 21,335 | $0.00 | $0.00 | filing |
| 2026-06-01 | Long Alison S | Award | 21,335 | $0.00 | $0.00 | filing |
| 2026-06-01 | Sepp-Lorenzino Laura | Award | 21,335 | $0.00 | $0.00 | filing |
| 2026-04-10 | Nagendran Sukumar· President and Head of R&D | Sale | 200,000 | $4.46 | $892,000.00 | filing |
| 2026-04-10 | Nagendran Sukumar· President and Head of R&D | Option exercise | 19,021 | $1.71 | $32,525.91 | filing |
| 2026-02-04 | Alam Kamran· CHIEF FINANCIAL OFFICER | Sale | 1,655 | $4.52 | $7,480.60 | filing |
| 2026-01-26 | Nolan Sean P.· Chief Executive Officer | Sale | 41,312 | $4.61 | $190,448.32 | filing |
| 2026-01-26 | Nagendran Sukumar· President and Head of R&D | Sale | 26,918 | $4.61 | $124,091.98 | filing |
| 2026-01-26 | Alam Kamran· CHIEF FINANCIAL OFFICER | Sale | 23,849 | $4.61 | $109,943.89 | filing |
| 2026-01-23 | Nolan Sean P.· Chief Executive Officer | Sale | 136,789 | $4.75 | $649,747.75 | filing |
| 2026-01-23 | Nagendran Sukumar· President and Head of R&D | Sale | 89,132 | $4.75 | $423,377.00 | filing |
| 2026-01-23 | Alam Kamran· CHIEF FINANCIAL OFFICER | Sale | 78,968 | $4.75 | $375,098.00 | filing |
| 2026-01-12 | Nagendran Sukumar· President and Head of R&D | Sale | 200,000 | $4.71 | $942,000.00 | filing |
| 2026-01-12 | Nagendran Sukumar· President and Head of R&D | Option exercise | 88,676 | $1.71 | $151,635.96 | filing |
| 2026-01-12 | Nagendran Sukumar· President and Head of R&D | Option exercise | 111,324 | $0.70 | $77,804.34 | filing |
| 2026-01-12 | Nolan Sean P.· Chief Executive Officer | Award | 1,008,000 | $0.00 | $0.00 | filing |
| 2026-01-12 | Nagendran Sukumar· President and Head of R&D | Award | 427,000 | $0.00 | $0.00 | filing |
| 2026-01-12 | Alam Kamran· CHIEF FINANCIAL OFFICER | Award | 359,000 | $0.00 | $0.00 | filing |
| 2025-12-01 | Nagendran Sukumar· President and Head of R&D | Sale | 260,047 | $4.51 | $1.2M | filing |
| 2025-12-01 | Nagendran Sukumar· President and Head of R&D | Option exercise | 260,047 | $1.71 | $444,680.37 | filing |
| 2025-11-28 | Nagendran Sukumar· President and Head of R&D | Sale | 110,125 | $4.75 | $523,093.75 | filing |
| 2025-11-28 | Nagendran Sukumar· President and Head of R&D | Option exercise | 39,953 | $1.71 | $68,319.63 | filing |
| 2025-11-28 | Nagendran Sukumar· President and Head of R&D | Option exercise | 70,172 | $0.70 | $49,043.21 | filing |
Showing the latest 25 transactions — full history in the linked SEC filings.
Fundamentals & filings from SEC EDGAR. Prices adjusted for splits & dividends. Not investment advice.