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 $1,200 · 4sales $0 · 0net $1,200
$10k$10k$100k$100k$1M$1MbuyssalesMar 28Apr 27May 28Jun 28Jul 29Aug 29Sep 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—
Aug 17, 2026 PForm 4 →Aug 17, 3:46 pm EDTJill BourlandDirector7$41.59$3005,899+0.12%
Jul 16, 2026 PForm 4 →Jul 17, 3:02 pm EDTJill BourlandDirector8$39.07$3005,892+0.13%
Jun 16, 2026 PForm 4 →Jun 17, 12:17 pm EDTJill BourlandDirector7$41.43$3005,877+0.12%
Jun 1, 2026 AForm 4 →Jun 3, 1:56 pm EDTNeil Michael McDonnellPresident, Director3$41.49$12412,202—
Jun 1, 2026 AForm 4 →Jun 3, 12:32 pm EDTJeffrey J BarnesDirector225$41.49$9,33542,527—
Jun 1, 2026 AForm 4 →Jun 3, 12:32 pm EDTJerome E SchwindPresident & CEO, Director113$41.49$4,68837,629—
Jun 1, 2026 AForm 4 →Jun 3, 12:31 pm EDTSarah R OppermanDirector43$41.49$1,78424,514—
Jun 1, 2026 AForm 4 →Jun 3, 12:31 pm EDTBrian Roy SackettDirector22$41.49$9134,201—
Jun 1, 2026 AForm 4 →Jun 3, 12:30 pm EDTJill BourlandDirector9$41.49$3735,870—
Jun 1, 2026 AForm 4 →Jun 3, 12:30 pm EDTVicki L RuppDirector30$41.49$1,2459,854—
Jun 1, 2026 AForm 4 →Jun 3, 12:29 pm EDTMelinda Marie CoffinDirector30$41.49$1,2455,611—
Jun 1, 2026 AForm 4 →Jun 3, 12:29 pm EDTBrian B TessinDirector7$41.49$2901,062—

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

No reported derivative activity in this period.