ISABELLA BANK CORP

ISBA · State Commercial Banks · 7.3M shares · -2%/yr ↓ buyback · EDGAR filings ↗

Net buyback after stock comp: $3M (gross $3M, SBC $782K)

Reference price $41.43 · est. market cap ~$304M — last insider purchase, 2026-06-16 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)

Grade

C62

Isabella Bank — Michigan community bank with average returns.

Strengths

Net income +36% (70th pct)

Risks

ROE 8.2% (32nd), ROA (34th) average
Very low cash position (4th)

Notable findings

Exec changeRecent 8-K item 5.02 8-K ↗
Insider buyingInsider buying — 17 open-market buy(s) by 10 insider(s) (cluster of 10 insiders, ~$125,870, last 6mo) Form 4 ↗

Quarterly revenue

2018-12-31 · $1M2019-03-31 · $1M2019-06-30 · $2M2019-09-30 · $1M

Last 4 quarters · from SEC filings.

Key metrics

Return on equity

8.2%

Return on assets

0.9%

Revenue growth (QoQ)

-5.1%

Net-income growth

36.2%

Free cash flow

$23M

Tangible book value

$183M

Cash & investments

$26M

Insider transactions · last 18 months

Date	Insider	Type	Shares	Price
2026-06-16	Bourland Jill	Buy	7	$41.43
2026-06-01	Opperman Sarah R	Grant	43	$41.49
2026-06-01	Sackett Brian Roy	Grant	22	$41.49
2026-06-01	Bourland Jill	Grant	9	$41.49
2026-06-01	Rupp Vicki L	Grant	30	$41.49
2026-06-01	Coffin Melinda Marie	Grant	30	$41.49
2026-06-01	McDonnell Neil Michael	Grant	3	$41.49
2026-06-01	Tessin Brian B	Grant	7	$41.49
2026-06-01	Barnes Jeffrey J	Grant	225	$41.49
2026-06-01	Schwind Jerome E	Grant	113	$41.49
2026-05-18	Bourland Jill	Buy	7	$41.05
2026-04-16	Bourland Jill	Buy	6	$48.90
2026-03-16	Bourland Jill	Buy	7	$44.03
2026-03-02	Rupp Vicki L	Grant	251	$48.54
2026-03-02	Sackett Brian Roy	Grant	18	$48.54
2026-03-02	Catlin Jon D	Buy	103	$31.47
2026-03-02	Huenemann Michael Kyle	Buy	61	$31.47
2026-03-02	McDonnell Neil Michael	Grant	2	$48.54
2026-03-02	McDonnell Neil Michael	Buy	55	$31.47
2026-03-02	Schwind Jerome E	Grant	710	$48.54
2026-03-02	Schwind Jerome E	Buy	396	$31.47
2026-03-02	Tessin Brian B	Grant	826	$48.54
2026-03-02	Opperman Sarah R	Grant	36	$48.54
2026-03-02	Evans Jae A	Grant	18	$48.54
2026-03-02	Coffin Melinda Marie	Grant	24	$48.54
2026-03-02	Bourland Jill	Grant	8	$48.54
2026-03-02	Barnes Jeffrey J	Grant	1.0K	$48.54
2026-02-17	Bourland Jill	Buy	6	$51.30
2026-01-28	McDonnell Neil Michael	Grant	2.2K	—
2026-01-28	Schwind Jerome E	Grant	3.9K	—
2026-01-28	Barnes Jeffrey J	Gift	200	—
2026-01-20	Opperman Sarah R	Buy	277	$49.58
2026-01-20	Sackett Brian Roy	Buy	403	$49.58
2026-01-20	Evans Jae A	Buy	201	$49.58
2026-01-20	Behen David Brian	Buy	242	$49.58
2026-01-20	Coffin Melinda Marie	Buy	444	$49.58
2026-01-20	McDonnell Neil Michael	Buy	303	$49.58
2026-01-20	Bourland Jill	Buy	242	$49.58
2026-01-16	Bourland Jill	Buy	6	$50.00
2025-12-09	Evans Jae A	I	3.0K	$48.61
2025-12-01	Schwind Jerome E	Grant	103	$43.50
2025-12-01	Coffin Melinda Marie	Grant	28	$43.50
2025-12-01	Evans Jae A	Grant	19	$43.50
2025-12-01	Bourland Jill	Grant	8	$43.50
2025-12-01	McDonnell Neil Michael	Grant	2	$43.50
2025-12-01	Tessin Brian B	Grant	229	$43.50
2025-12-01	Opperman Sarah R	Grant	40	$43.50
2025-12-01	Rupp Vicki L	Grant	27	$43.50
2025-12-01	Barnes Jeffrey J	Grant	206	$43.50
2025-12-01	Sackett Brian Roy	Grant	21	$43.50
2025-12-01	Coffin Melinda Marie	Grant	28	$43.50
2025-09-05	Evans Jae A	Sell	3.0K	$31.30
2025-09-02	Rupp Vicki L	Grant	35	$33.13
2025-09-02	Coffin Melinda Marie	Grant	35	$33.13
2025-09-02	Opperman Sarah R	Grant	52	$33.13
2025-09-02	Barnes Jeffrey J	Grant	268	$33.13
2025-09-02	Bourland Jill	Grant	11	$33.13
2025-09-02	Evans Jae A	Grant	25	$33.13
2025-09-02	Schwind Jerome E	Grant	133	$33.13
2025-09-02	McDonnell Neil Michael	Grant	4	$33.13
2025-09-02	Sackett Brian Roy	Grant	26	$33.13
2025-09-02	Coffin Melinda Marie	Grant	35	$33.13
2025-08-18	Bourland Jill	Buy	9	$32.00
2025-07-16	Bourland Jill	Buy	9	$32.02
2025-06-16	Bourland Jill	Buy	9	$33.02
2025-06-02	Coffin Melinda Marie	Grant	44	$27.01
2025-06-02	Payton Chad R	Grant	23	$27.01
2025-06-02	Rupp Vicki L	Grant	43	$27.01
2025-06-02	Sackett Brian Roy	Grant	33	$27.01
2025-06-02	Schwind Jerome E	Grant	162	$27.01
2025-06-02	Barnes Jeffrey J	Grant	325	$27.01
2025-06-02	McDonnell Neil Michael	Grant	4	$27.01
2025-06-02	Bourland Jill	Grant	14	$27.01
2025-06-02	Evans Jae A	Grant	31	$27.01
2025-06-02	Opperman Sarah R	Grant	64	$27.01
2025-05-21	Prisby Michael P	Sell	1.0K	$27.89
2025-05-16	Bourland Jill	Buy	11	$27.79
2025-05-13	Behen David Brian	Buy	367	$27.25
2025-05-09	McDonnell Neil Michael	Buy	15	$27.60
2025-05-01	Catlin Jon D	Buy	12	$24.70
2025-05-01	WHEELER PEGGY	Buy	10	$24.70
2025-05-01	Schwind Jerome E	Buy	8	$24.70
2025-05-01	Schaefer William M	Buy	81	$24.70
2025-04-16	Bourland Jill	Buy	12	$24.45
2025-04-01	WHEELER PEGGY	Buy	22	$22.41
2025-04-01	Schwind Jerome E	Buy	18	$22.41
2025-04-01	Catlin Jon D	Buy	27	$22.41
2025-04-01	Schaefer William M	Buy	178	$22.41
2025-03-17	Bourland Jill	Buy	13	$23.25
2025-03-04	WHEELER PEGGY	Buy	21	$23.37
2025-03-04	Catlin Jon D	Buy	26	$23.37
2025-03-04	Schaefer William M	Buy	171	$23.37
2025-03-04	Schwind Jerome E	Buy	17	$23.37
2025-03-03	Evans Jae A	Grant	33	$24.60
2025-03-03	Payton Chad R	Grant	24	$24.60
2025-03-03	Sackett Brian Roy	Grant	1.6K	$24.60
2025-03-03	Bourland Jill	Grant	14	$24.60
2025-03-03	Schwind Jerome E	Grant	1.4K	$24.60
2025-03-03	Opperman Sarah R	Grant	69	$24.60
2025-03-03	Barnes Jeffrey J	Grant	2.0K	$24.60
2025-03-03	Rupp Vicki L	Grant	931	$24.60
2025-03-03	McDonnell Neil Michael	Grant	4	$24.60
2025-03-03	Coffin Melinda Marie	Grant	47	$24.60
2025-02-18	Bourland Jill	Buy	12	$25.44
2025-02-03	Catlin Jon D	Buy	37	$24.51
2025-02-03	WHEELER PEGGY	Buy	31	$24.51
2025-02-03	Schwind Jerome E	Buy	24	$24.51
2025-02-03	Schaefer William M	Buy	245	$24.51
2025-01-31	Schwind Jerome E	Grant	2.1K	—
2025-01-31	Schaefer William M	Grant	558	—
2025-01-31	McDonnell Neil Michael	Grant	1.3K	—
2025-01-24	Bourland Jill	Buy	465	$25.80
2025-01-24	Opperman Sarah R	Buy	533	$25.80
2025-01-24	Evans Jae A	Buy	387	$25.80
2025-01-24	Payton Chad R	Buy	426	$25.80
2025-01-24	McDonnell Neil Michael	Buy	581	$25.80
2025-01-24	Coffin Melinda Marie	Buy	775	$25.80
2025-01-16	Bourland Jill	Buy	8	$25.50
2025-01-02	Schaefer William M	Buy	162	$24.69
2025-01-02	Schwind Jerome E	Buy	16	$24.69
2025-01-02	WHEELER PEGGY	Buy	20	$24.69
2025-01-02	Catlin Jon D	Buy	24	$24.69

All non-derivative Form 4 activity (SEC), newest first.

Notable events (8-K)

Date	Items
2026-06-16	Material agreementExhibits	filing ↗
2026-06-15	Material agreementExhibits	filing ↗
2026-06-12	Reg FDExhibits	filing ↗
2026-05-28	OtherExhibits	filing ↗
2026-05-07	Shareholder vote	filing ↗
2026-04-23	ResultsExhibits	filing ↗
2026-03-25	Exec/director change	filing ↗
2026-02-26	OtherExhibits	filing ↗

Recent filings

Form	Filed	Period	Accession
8-K	2026-06-16	2026-06-16	0000842517-26-000163 ↗
8-K	2026-06-15	2026-06-11	0000842517-26-000158 ↗
8-K	2026-06-12	2026-06-12	0000842517-26-000138 ↗
8-K	2026-05-28	2026-05-28	0000842517-26-000108 ↗
8-K	2026-05-07	2026-05-05	0000842517-26-000102 ↗
10-Q	2026-05-06	2026-03-31	0000842517-26-000099 ↗
8-K	2026-04-23	2026-04-23	0000842517-26-000095 ↗
8-K	2026-03-25	2026-03-23	0000842517-26-000085 ↗
10-K	2026-03-13	2025-12-31	0000842517-26-000069 ↗
8-K	2026-02-26	2026-02-26	0000842517-26-000035 ↗
8-K	2026-02-05	2026-02-05	0000842517-26-000027 ↗
8-K	2026-01-05	2026-01-05	0000842517-26-000002 ↗