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$MBX All transactions

MBX Biosciences, Inc.

M

$ Value

$594K

Shares

182,859

Price

$3

Filed

Oct 28

Insider

Name

Hawryluk P. Kent

Title

President & CEO

CIK

0001673991

Roles

Director Officer

Transaction Details

Transaction Date

2025-10-24

Code

M

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

664,256

Footnotes

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. | 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.

Filing Info

Accession No.

0001193125-25-252404

Form Type

4

Issuer CIK

0001776111

Hawryluk P. Kent's History

Date Ticker Type Value
2026-03-13 MBX $526K
2026-02-26 MBX M $460K
2026-02-26 MBX M $0
2026-02-02 MBX A $0
2026-02-02 MBX A $0
2025-10-24 MBX M $594K
2025-10-24 MBX M $0
2025-10-20 MBX $273K

Other Insiders at MBX (90d)

Insider Bought Sold Last
Hawryluk P. Kent
President & CEO
$526K 2026-03-13
Hoerter Steven L. 2025-11-22
Bartram Richard
Chief Financial Officer
2026-02-02
Azoulay Salomon
Chief Medical Officer
2026-02-02