Informed-money record

MBX · MBX Biosciences, Inc.

Disclosed informed-money activity on this name over the last 12 months — corporate insiders, institutions, and members of Congress, from public-domain SEC and congressional filings. A dated factual record with receipts; interpretation is yours.

Bullish filings

5

Bearish filings

18

Named actors

7

Disclosed $ (bull / bear)

$13.1M / $10.2M

Recent disclosures

23 of 23 in the window · linked to source
DateWhoWhatDisclosed $Receipt
2026-06-245%+ holder (13G) Paradigm Biocapital Advisors LPdisclosed a passive stake (13G)SEC ↗
2026-06-10Former Officer (via Fidelity Brokerage Services LLC) Bartram Richardfiled notice to sell$280KSEC ↗
2026-06-09Former Officer (via Fidelity Brokerage Services LLC) Bartram Richardfiled notice to sell$321KSEC ↗
2026-05-13Former Officer (via Fidelity Brokerage Services LLC) Bartram Richardfiled notice to sell$554KSEC ↗
2026-05-11Former Officer (via Fidelity Brokerage Services LLC) Bartram Richardfiled notice to sell$992KSEC ↗
2026-05-08Chief Medical Officer Azoulay Salomonsold$575KSEC ↗
2026-05-08Chief Medical Officer Azoulay Salomonsold$2.1MSEC ↗
2026-05-08Former Officer (via Fidelity Brokerage Services LLC) Bartram Richardfiled notice to sell$380KSEC ↗
2026-05-08Officer (via Fidelity Brokerage Services LLC) Azoulay Salomonfiled notice to sell$2.7MSEC ↗
2026-05-07Former Officer (via Fidelity Brokerage Services LLC) Bartram Richardfiled notice to sell$322KSEC ↗
2026-05-06President & CEO Hawryluk P. Kentsold$18KSEC ↗
2026-05-06Chief Medical Officer Azoulay Salomonsold$7KSEC ↗
2026-05-06Officer (via Fidelity Brokerage Services LLC) Azoulay Salomonfiled notice to sell$7KSEC ↗
2026-05-06Officer (via Fidelity Brokerage Services LLC) Hawryluk P. Kentfiled notice to sell$18KSEC ↗
2026-05-01Former Officer (via Fidelity Brokerage Services LLC) Bartram Richardfiled notice to sell$159KSEC ↗
2026-04-22Former Officer (via Fidelity Brokerage Services LLC) Bartram Richardfiled notice to sell$341KSEC ↗
2026-03-25Former Officer (via Fidelity Brokerage Services LLC) Bartram Richardfiled notice to sell$30KSEC ↗
2026-03-16Former Officer (via Fidelity Brokerage Services LLC) Bartram Richardfiled notice to sell$300KSEC ↗
2026-03-13President & CEO Hawryluk P. Kentbought$526KSEC ↗
2026-01-12Former Director (via Fidelity Brokerage Services LLC) CORNELIUS JAMES Mfiled notice to sell$1.1MSEC ↗
2025-10-20President & CEO Hawryluk P. Kentbought$273KSEC ↗
2025-10-17Director Hoerter Steven L.bought$265KSEC ↗
2025-09-2610% owner / other FHMLS X, L.P.bought$12.0MSEC ↗

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Events dated by when the activity occurred (a trade's transaction date; a notice, stake, or announcement at its filing date); the linked filing is the authoritative record. Directional public-domain disclosures only. Descriptive, not investment advice. Methodology · Today's notable signals