InsiderTrades

Hoerter Steven L.

SEC CIK 1533451 · EDGAR

Buying vs selling by month open-market trades, last 24 months, MBX
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
MBXMBX Biosciences, Inc.Pres, CEO, Dir 82.9K $265.0K — 32025-10-172026-08-03

Most active insiders at MBX, 12 months

#InsiderTitleBoughtSold
1 FHMLS X, L.P.10% $12.00M—
2 Azoulay SalomonChief Medical Off —$2.72M
3 Hawryluk P. KentPres, CEO, Dir $798.4K$17.9K
4 Hoerter Steven L.Pres, CEO, Dir $265.0K—
5 Bartram RichardCFO ——
6 Smither John WCFO ——

Transactions 3

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
D 2026-08-04 08:50 2026-08-03 MBX MBX Biosciences, Inc. Hoerter Steven L. Pres, CEO, Dir A - Grant $0.00 +71.0K 82.9K +595% $0
D 2026-05-04 08:01 2026-05-01 MBX MBX Biosciences, Inc. Hoerter Steven L. Dir A - Grant $0.00 +11.9K 11.9K New $0
I 2025-10-20 2025-10-17 MBX MBX Biosciences, Inc. Hoerter Steven L. Dir P - Purchase $13.25 +20.0K 20.0K New +$265.0K

Purchase Sale Sale after option exercise All abbreviations