HAWRYLUK P. KENT (President & CEO) exercised options at MBX BIOSCIENCES, INC.
Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.
M · 1 exercise
Filed: 2/27/2026ACC: 0001193125-26-082562
DirectorOfficer· President & CEO
Since Feb 2026
0.00
Net shares
Net seller
$460.3K
Total acquired
0
Open market trades
0B · 0S
2
Total transactions
28.77K acquired · 28.77K disposed
Non-Derivative Transactions1
Common Stock
Direct
Shares
+28.77K
Price / share
$16.00
Trade value
$460.29K
% of position
4.1%
2/26/2026
699.51K→728.27K
Total
Net shares
+28.77K
Net value
$460.29K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 2/26/2026 | M · Option Exercise | +28.77K | $16.00 | $460.29K | 4.1% | 699.51K | 728.27K |
| Total | +28.77K | $460.29K | ||||||
Derivative Transactions1
Stock option (right to buy)
Direct
Converts to
Common Stock
28.77K shares
Shares
−28.77K
Strike price
16.00
Held after
91.67K
Exercisable
—
2/26/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Stock option (right to buy) Direct | Common Stock28.77K shares | 2/26/2026 | M · Option Exercise | −28.77K | 16.00 | — | 91.67K |
Non-Derivative Holdings (Post-Transaction)1
Common Stock
IndirectShares owned468.28K
Total
468.28K indirect468.28K
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Stock | 468.28K | Indirect |
| Total | 468.28K | 468.28K indirect |
Derivative Holdings (Post-Transaction)0
No derivative holdings reported