Legal Insider Trading Data | Free and Professional Subscription Services | Insider Insights urn:uuid:ab83d450-8b28-cc35-d71e-ac0cd65676c1 2026-05-02T09:14:07-04:00 Jonathan Moreland Profit from legal insider trading. InsiderInsights.com provides free insider trading data tools and resources, and professional grade subscription based real time Form 4 data, analysis and services MBX: HAWRYLUK P KENT (PR,CEO,DIR) Bought (B) 18,500 Shares of MBX BIOSCIENCES INC for $28.41 on 3/13 urn:uuid:4fdee813-d1e3-1daa-680f-3d2b630810a6 2026-03-16T08:02:03-04:00 MBX: HAWRYLUK P KENT (PR,CEO,DIR) Exercised 28,768 Options (OB) of MBX BIOSCIENCES INC for $16.00 on 2/26, and Kept Them All urn:uuid:09480f17-1cd7-421e-835a-0fdf9be4d2f5 2026-02-27T16:07:02-05:00 MBX: AZOULAY SALOMON (O) Acquired (JB) 15k Shares of MBX BIOSCIENCES INC for $0.00 on 2/2 urn:uuid:65f1197b-6a7e-808f-a28d-c74c5ee3a51e 2026-02-03T16:16:48-05:00 MBX: BARTRAM RICHARD (CFO) Acquired (JB) 15k Shares of MBX BIOSCIENCES INC for $0.00 on 2/2 urn:uuid:7d21d814-ca5a-d45a-0061-340ca511e8fd 2026-02-03T16:16:29-05:00 MBX: HAWRYLUK P KENT (PR,CEO,DIR) Acquired (JB) 35,250 Shares of MBX BIOSCIENCES INC for $0.00 on 2/2 urn:uuid:e761e477-3806-ba6a-02f6-b8d8cfd43ec4 2026-02-03T16:16:13-05:00 MBX: STELZER LAURIE (DIR) Filed a Form 3, Becoming a Registered Insider at MBX BIOSCIENCES INC With Initial Holdings of 0 urn:uuid:89b8a723-cb8e-9337-7079-ae044dd676ce 2026-01-22T08:06:55-05:00 MBX: HAWRYLUK P KENT (PR,CEO,DIR) Exercised 182,859 Options (OB) of MBX BIOSCIENCES INC for $3.25 on 10/24, and Kept Them All urn:uuid:2b5ad4f0-d023-d3b8-473d-252aba4dcb01 2025-10-28T08:03:15-04:00 MBX: HAWRYLUK P KENT (PR,CEO,DIR) Bought (B) 20k Shares of MBX BIOSCIENCES INC for $13.64 on 10/20 urn:uuid:713c8091-348e-88d8-fdbb-29ab390f9757 2025-10-21T17:43:44-04:00 MBX: HOERTER STEVEN L (DIR) Bought (B) 20k Shares of MBX BIOSCIENCES INC for $13.25 on 10/17 urn:uuid:633f4920-caa5-30e2-69fd-500a5fd11fe5 2025-10-20T16:44:37-04:00 MBX: HERON PATRICK J (DIR,BO) Bought (B) 666,666 Shares of MBX BIOSCIENCES INC for $18.00 on 9/26 urn:uuid:1b812050-ff63-e7f5-0865-9a8f1a14cb32 2025-09-30T16:59:56-04:00