4//SEC Filing
Hawryluk P. Kent 4
Accession 0001193125-25-252404
CIK 0001776111other
Filed
Oct 27, 8:00 PM ET
Accepted
Oct 28, 8:03 AM ET
Size
8.1 KB
Accession
0001193125-25-252404
Insider Transaction Report
Form 4
Hawryluk P. Kent
DirectorPresident & CEO
Transactions
- Exercise/Conversion
Common Stock
2025-10-24$3.25/sh+182,859$594,292→ 664,256 total - Exercise/Conversion
Stock option (right to buy)
2025-10-24−182,859→ 129,708 totalExercise: $3.25From: 2022-11-07Exp: 2032-11-06→ Common Stock (182,859 underlying)
Holdings
- 468,277(indirect: By Trust)
Common Stock
Footnotes (2)
- [F1]Shares held by the P. Kent Hawryluk Revocable Trust dated January 25, 2011, of which the Reporting Person serves as trustee. The Reporting Person disclaims beneficial ownership except to the extent of any pecuniary interest therein, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.
- [F2]1/48th of the shares underlying this option vest in substantially equal monthly installments on each monthly anniversary of November 7, 2022, subject to the Reporting Person's continued service on each such vesting date, until the option vests in full on November 7, 2026. The shares underlying this option became exercisable in full on November 7, 2022, pursuant to an early-exercise provision, subject to an Issuer right of repurchase.
Documents
Issuer
MBX Biosciences, Inc.
CIK 0001776111
Entity typeother
Related Parties
1- filerCIK 0001673991
Filing Metadata
- Form type
- 4
- Filed
- Oct 27, 8:00 PM ET
- Accepted
- Oct 28, 8:03 AM ET
- Size
- 8.1 KB