Nagendran Sukumar 4
4 · Taysha Gene Therapies, Inc. · Filed Apr 13, 2026
Research Summary
AI-generated summary of this filing
Taysha Gene (TSHA) President Nagendran Sukumar Sells 200,000 Shares
What Happened
Nagendran Sukumar, President & Head of R&D and a director of Taysha Gene Therapies (TSHA), sold 200,000 shares in an open-market transaction on April 10, 2026 for a weighted average price of $4.46, generating approximately $892,000 in proceeds. On the same date he also exercised 19,021 stock-option shares at $1.71 per share, paying $32,526 to acquire those shares. The Form 4 also reports a related derivative conversion of 19,021 shares at $0 proceeds (see Key Details).
Key Details
- Transaction date: April 10, 2026 (reported on Form 4 filed April 13, 2026). Filing is within the Form 4 two-business-day deadline.
- Sale: 200,000 shares sold at a weighted average price of $4.46; total proceeds ≈ $892,000. Reported sale prices ranged from $4.335 to $4.625 per share (footnote F2).
- Exercise: 19,021 shares acquired via option exercise at $1.71/share; total cash paid $32,526.
- Derivative conversion: A separate line reports conversion/derivative entry for 19,021 shares with $0 proceeds (reported as derivative activity in the filing).
- Plan/authorization: The 200,000-share sale was executed pursuant to a Rule 10b5-1 trading plan adopted June 11, 2025 (footnote F1).
- Vesting note: The underlying option(s) vest 25% on Jan 2, 2025, then monthly over 36 months (footnote F3).
- Shares owned after transaction: Not disclosed in the provided filing excerpt.
Context
The activity combines an option exercise (insider paid $1.71/share to acquire 19,021 shares) and a separate open-market sale under a pre-established 10b5-1 plan. Sales under a 10b5-1 plan are typically scheduled trades and do not, by themselves, indicate the insider’s current sentiment about the company. The derivative line with $0 proceeds reflects conversion/exercise reporting on the Form 4 and is not cash received.
Insider Transaction Report
- Exercise/Conversion
Common Stock
2026-04-10$1.71/sh+19,021$32,526→ 1,336,410 total - Sale
Common Stock
[F1][F2]2026-04-10$4.46/sh−200,000$892,000→ 1,136,410 total - Exercise/Conversion
Employee Stock Option (right to buy)
[F3]2026-04-10−19,021→ 455,920 totalExercise: $1.71Exp: 2034-01-02→ Common Stock (19,021 underlying)
Footnotes (3)
- [F1]This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 11, 2025.
- [F2]The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.335 to $4.625 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
- [F3]25% of the total number of shares underlying the option vested and became exercisable on January 2, 2025 and the remainder vested or shall vest and become exercisable in 36 equal monthly installments thereafter, subject to the Reporting Person's continuous service through each applicable vesting date.