Quisel John D 4
4 · Disc Medicine, Inc. · Filed Jun 23, 2026
Research Summary
AI-generated summary of this filing
Disc Medicine (IRON) CEO John Quisel Exercises Options, Sells Shares
What Happened
- John D. Quisel, CEO of Disc Medicine (IRON), exercised options and sold shares on June 18, 2026. He exercised 34,000 shares at $9.86 per share (exercise cost ≈ $335,240) and reported selling a total of 34,000 shares in open-market transactions for aggregate proceeds of ≈ $2,387,295.
- The sale transactions were effected under a Rule 10b5-1 trading plan adopted March 12, 2026. The filing also reports a separate derivative disposition of 34,000 shares at $0.00 (no proceeds); the filing notes the underlying options are fully vested.
Key Details
- Transaction date: June 18, 2026; Form filed June 23, 2026 (filed one business day after the 2-business-day Form 4 deadline for a June 18 trade).
- Exercise: 34,000 shares @ $9.86 (cost ≈ $335,240).
- Sales (open market): 22,927 shares @ weighted avg $69.92 (range $69.35–$70.33); 9,522 shares @ weighted avg $70.70 (range $70.36–$71.35); 1,551 shares @ weighted avg $71.61 (range $71.36–$71.85). Total sale proceeds ≈ $2,387,295.
- Additional line: 34,000-share derivative disposition reported at $0.00 (no proceeds); options are fully vested per the filing.
- Shares owned after transaction: not disclosed in the information provided.
- Notable footnotes: trades executed under a 10b5-1 plan (Footnote F1); weighted-average sale prices and price ranges provided (F2–F4); option vesting noted (F5).
Context
- The filing shows an option exercise paired with immediate open-market sales — a common sequence when insiders exercise options and sell shares to cover exercise costs or diversify. Purchases generally signal stronger insider conviction; this report documents option exercise and planned sales under a pre-established trading plan, not an ad hoc buy decision.
Insider Transaction Report
Form 4
Quisel John D
DirectorChief Executive Officer
Transactions
- Exercise/Conversion
Common Stock
[F1]2026-06-18$9.86/sh+34,000$335,240→ 260,064 total - Sale
Common Stock
[F1][F2]2026-06-18$69.92/sh−22,927$1,603,019→ 237,137 total - Sale
Common Stock
[F1][F3]2026-06-18$70.70/sh−9,522$673,205→ 227,615 total - Sale
Common Stock
[F1][F4]2026-06-18$71.61/sh−1,551$111,071→ 226,064 total - Exercise/Conversion
Stock Option (Right to Buy)
[F1][F5]2026-06-18−34,000→ 41,375 totalExercise: $9.86Exp: 2031-09-13→ Common Stock (34,000 underlying)
Footnotes (5)
- [F1]These transactions were effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 12, 2026.
- [F2]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.35 to $70.33, 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 ranges set forth in footnotes (2), (3) and (4) to this Form 4.
- [F3]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $70.36 to $71.35, inclusive.
- [F4]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $71.36 to $71.85, inclusive.
- [F5]The shares underlying this option are fully vested and exercisable as of the date hereof.
Signature
By: /s/ Rahul Khara, as Attorney-in-Fact|2026-06-23