Waddill William D. 4
4 · Protagonist Therapeutics, Inc · Filed Feb 6, 2026
Research Summary
AI-generated summary of this filing
Protagonist (PTGX) Director Waddill Sells 20,000 Shares After Exercising Options
What Happened William D. Waddill, a director of Protagonist Therapeutics (PTGX), exercised options to acquire 20,000 shares at $8.31 per share (cost $166,200) and sold 20,000 shares in an open-market transaction on February 6, 2026 for a weighted average price of $83.68 per share (proceeds ≈ $1,673,600). The filing also reports a derivative conversion/disposition of 20,000 shares listed with $0 proceeds related to the same transactions. Overall, this appears as a same-day exercise and sale (i.e., option exercise followed by sale), which is commonly used to cover exercise costs and taxes.
Key Details
- Transaction date: 2026-02-06 (reported filed same day)
- Exercise: 20,000 shares exercised at $8.31 each — total cash paid $166,200
- Sale: 20,000 shares sold in open market at weighted average $83.68 — total proceeds ≈ $1,673,600
- Sale price range (per footnote): $83.65 to $83.87; weighted average reported
- Footnote: Options exercised are fully vested (F2); sale prices reported as a weighted average and per-share breakouts available on request (F1)
- Shares owned after transaction: not specified in the summary provided — see the full Form 4 for post-transaction beneficial ownership
- Filing timeliness: reported on the same date as the transactions; no late filing indicated
Context
- This was an option exercise immediately followed by a sale (cashless-style), which converts vested option value into cash rather than signaling a new purchase/bullish bet. Insiders sell stock for many routine reasons (taxes, diversification); such sales do not by themselves indicate company performance.
Insider Transaction Report
- Exercise/Conversion
Common Stock
2026-02-06$8.31/sh+20,000$166,200→ 27,825 total - Sale
Common Stock
[F1]2026-02-06$83.68/sh−20,000$1,673,600→ 7,825 total - Exercise/Conversion
Stock Option (right to buy)
[F2]2026-02-06−20,000→ 0 totalExercise: $8.31Exp: 2032-05-25→ Common Stock (20,000 underlying)
Footnotes (2)
- [F1]The price reported represents the weighted average sale price per share. The shares were sold in multiple transactions at prices ranging from $83.65 to $83.87. Upon request by the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.
- [F2]These stock options are fully vested.