Insider Transactions Reported by 25 Insiders of MBX Biosciences, Inc.

Symbol
MBX on Nasdaq
Location
Carmel, IN

Insiders trading volume in the past year

MBX Biosciences, Inc. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Patrick J. Heron Director, 10%+ Owner $93,949,920 +$11,999,988 +15% 26 Sep 2025
Frazier Life Sciences X, L.P. 10%+ Owner $48,669,154 16 Sep 2024
P. Kent Hawryluk President & CEO, Director $41,505,791 +$798,453 +2% 13 Mar 2026
Scott D. Sandell 10%+ Owner $38,638,855 16 Sep 2024
New Enterprise Associates 17, L.P. 10%+ Owner $38,638,855 16 Sep 2024
Forest Baskett 10%+ Owner $38,638,855 16 Sep 2024
Mohamad Makhzoumi 10%+ Owner $38,638,855 16 Sep 2024
Mathers Edward T. Director, 10%+ Owner $38,638,855 05 Jun 2025
Paul Edward Walker 10%+ Owner $38,638,855 16 Sep 2024
Rick Yang 10%+ Owner $38,638,855 16 Sep 2024
Ali Behbahani 10%+ Owner $38,638,855 16 Sep 2024
Carmen Chang 10%+ Owner $38,638,855 16 Sep 2024
Anthony A. Florence Jr. 10%+ Owner $38,638,855 16 Sep 2024
Tiba Aynechi Director $22,837,421 05 Jun 2025
Wellington Biomedical Innovation Master Investors (Cayman) II L.P. 10%+ Owner $19,136,404 16 Sep 2024
Carl L. Gordon Director, 10%+ Owner $8,107,095 14 Feb 2025
ORBIMED ADVISORS LLC Director, 10%+ Owner $8,107,095 14 Feb 2025
James M. Cornelius Director $1,091,257 05 Jun 2025
Richard Bartram Chief Financial Officer $473,100 02 Feb 2026
Salomon Azoulay Chief Medical Officer $473,100 02 Feb 2026
Steven L. Hoerter Director $264,984 +$264,984 22 Nov 2025
Ora H. Pescovitz Director $143,298 +$45,312 +46% 05 Jun 2025
John W. Smither Chief Financial Officer 16 Mar 2026
Laurie Stelzer Director 20 Jan 2026
Steven Ryder Director 05 Jun 2025

Recent Insider Transactions by Companies or Individuals for MBX Biosciences, Inc.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
P. Kent Hawryluk MBX Common Stock Purchase 3.95% $525,663 $28.41 18,500 486,777 13 Mar 2026 By Trust
P. Kent Hawryluk MBX Common Stock Options Exercise 4.11% 28,768 728,274 26 Feb 2026 Direct
P. Kent Hawryluk MBX Stock option (right to buy) Options Exercise -23.9% -28,768 91,668 26 Feb 2026 Direct
Salomon Azoulay MBX Common Stock Award 15,000 15,000 02 Feb 2026 Direct
Salomon Azoulay MBX Stock option (right to buy) Award 70,000 70,000 02 Feb 2026 Direct
Richard Bartram MBX Common Stock Award 15,000 15,000 02 Feb 2026 Direct
Richard Bartram MBX Stock option (right to buy) Award 70,000 70,000 02 Feb 2026 Direct
P. Kent Hawryluk MBX Common Stock Award 5.31% 35,250 699,506 02 Feb 2026 Direct
P. Kent Hawryluk MBX Stock option (right to buy) Award 164,500 164,500 02 Feb 2026 Direct
Laurie Stelzer MBX Stock option (right to buy) Award 32,000 32,000 20 Jan 2026 Direct
Steven L. Hoerter MBX Stock option (right to buy) Award 8,000 8,000 22 Nov 2025 Direct
Steven L. Hoerter MBX Stock option (right to buy) Award 100,000 100,000 06 Nov 2025 Direct
P. Kent Hawryluk MBX Common Stock Options Exercise 38% 182,859 664,256 24 Oct 2025 Direct
P. Kent Hawryluk MBX Stock option (right to buy) Options Exercise -58.5% -182,859 129,708 24 Oct 2025 Direct
P. Kent Hawryluk MBX Common Stock Purchase 4.46% $272,790 $13.64 20,000 468,277 20 Oct 2025 By Trust
Steven L. Hoerter MBX Common Stock Purchase $264,984 $13.25 20,000 20,000 17 Oct 2025 By Trust
Patrick J. Heron MBX Common Stock Purchase 14.6% $11,999,988 $18.00 666,666 5,219,440 26 Sep 2025 By Frazier Life Sciences X, L.P.
Mathers Edward T. MBX Stock option (right to buy) Award 16,000 16,000 05 Jun 2025 Direct
Steven L. Hoerter MBX Stock option (right to buy) Award 16,000 16,000 05 Jun 2025 Direct
Tiba Aynechi MBX Stock option (right to buy) Award 16,000 16,000 05 Jun 2025 Direct
James M. Cornelius MBX Stock option (right to buy) Award 16,000 16,000 05 Jun 2025 Direct
Steven Ryder MBX Stock option (right to buy) Award 16,000 16,000 05 Jun 2025 Direct
Patrick J. Heron MBX Stock option (right to buy) Award 16,000 16,000 05 Jun 2025 Direct
Ora H. Pescovitz MBX Stock option (right to buy) Award 16,000 16,000 05 Jun 2025 Direct
Ora H. Pescovitz MBX Common Stock Purchase 46.2% $45,312 $5.89 7,693 24,329 08 Apr 2025 Direct
Steven L. Hoerter MBX Stock option (right to buy) Award 32,000 32,000 07 Apr 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.