Form4insider filings, from the source

Company · CIK 0000842517 · SIC 6022 — State Commercial Banks · Nasdaq

ISABELLA BANK CORP · ISBA

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $300 · 1sales $0 · 0net $300
$10k$10k$100k$100k$1M$1MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 18Sep 23Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 16, 2026 PForm 4 →Sep 17, 10:39 am EDTJill BourlandDirector8$39.40$3005,917+0.13%
Sep 1, 2026 AForm 4 →Sep 3, 1:07 pm EDTJeffrey J BarnesDirector242$38.55$9,32942,785—
Sep 1, 2026 AForm 4 →Sep 3, 1:06 pm EDTJill BourlandDirector10$38.55$3865,909—
Sep 1, 2026 AForm 4 →Sep 3, 1:05 pm EDTMelinda Marie CoffinDirector31$38.55$1,1955,644—
Sep 1, 2026 AForm 4 →Sep 3, 1:04 pm EDTSarah R OppermanDirector46$38.55$1,77324,587—
Sep 1, 2026 AForm 4 →Sep 3, 1:03 pm EDTVicki L RuppDirector33$38.55$1,2729,896—
Sep 1, 2026 AForm 4 →Sep 3, 1:02 pm EDTBrian Roy SackettDirector24$38.55$9254,226—
Sep 1, 2026 AForm 4 →Sep 3, 1:01 pm EDTJerome E SchwindPresident & CEO, Director123$38.55$4,74237,778—
Sep 1, 2026 AForm 4 →Sep 3, 12:59 pm EDTBrian B TessinDirector8$38.55$3081,070—
Sep 1, 2026 AForm 4 →Sep 3, 12:58 pm EDTNeil Michael McDonnellPresident, Director3$38.55$11612,239—

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.