Are insiders buying ISBA stock?

Yes — 16 distinct insiders have bought ISBA (ISABELLA BANK CORP) on the open market, including 2 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Jul 17, 2026.

How much ISBA stock have insiders bought?

Insiders have bought a combined $481.4K of ISBA across 107 open-market purchases, based on SEC Form 4 filings.

What is an insider cluster buy in ISBA?

A cluster buy is two or more distinct ISABELLA BANK CORP insiders — officers, directors, or 10% owners — each buying ISBA on the open market within a rolling window. ISBA has 2 detected cluster buys to date.

Where does this ISBA insider trading data come from?

Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.

ISBA insider buying

2 cluster buys

ISABELLA BANK CORP

When two or more insiders at ISABELLA BANK CORP buy ISBA on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in ISBA plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.

Clusters

Distinct insiders

Total bought

$481.4K

Market cap

$297.3M

Detected clusters

Jan 16 – Mar 16, 2026
Detected Mar 16, 2026
High conviction10 insiders
Total bought
$125.0K
Market cap
$297.3M
Apr 1, 2024 – Aug 18, 2025
Detected Aug 18, 2025
High conviction13 insiders
Total bought
$356.1K
Market cap
$297.3M

All notable open-market buys in ISBA

Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.

Date	Insider	Shares	Price	Value	Filing
Jul 16, 2026	Bourland Jill Director	7.679	$39.07	$300.0	SEC ↗
Mar 16, 2026	Bourland Jillcluster Director	6.81	$44.03	$299.8	SEC ↗
Mar 2, 2026	Schwind Jerome Ecluster Director, President & CEO	396	$31.47	$12.5K	SEC ↗
Mar 2, 2026	Catlin Jon Dcluster Chief Credit Officer	103	$31.47	$3.2K	SEC ↗
Mar 2, 2026	Huenemann Michael Kylecluster Chief Lending Officer	61	$31.47	$1.9K	SEC ↗
Mar 2, 2026	McDonnell Neil Michaelcluster Director, President	55	$31.47	$1.7K	SEC ↗
Feb 17, 2026	Bourland Jillcluster Director	5.85	$51.30	$300.1	SEC ↗
Jan 20, 2026	Coffin Melinda Mariecluster Director	443.73	$49.58	$22.0K	SEC ↗
Jan 20, 2026	Sackett Brian Roycluster Director	403.39	$49.58	$20.0K	SEC ↗
Jan 20, 2026	McDonnell Neil Michaelcluster Director, President	302.54	$49.58	$15.0K	SEC ↗
Jan 20, 2026	Opperman Sarah Rcluster Director	277.33	$49.58	$13.8K	SEC ↗
Jan 20, 2026	Bourland Jillcluster Director	242.03	$49.58	$12.0K	SEC ↗
Jan 20, 2026	Behen David Briancluster Director	242.03	$49.58	$12.0K	SEC ↗
Jan 20, 2026	Evans Jae Acluster Director	201	$49.58	$10.0K	SEC ↗
Jan 16, 2026	Bourland Jillcluster Director	6	$50.00	$300.0	SEC ↗
Aug 18, 2025	Bourland Jillcluster Director	9.38	$32.00	$300.2	SEC ↗
Jul 16, 2025	Bourland Jillcluster Director	9.37	$32.02	$300.0	SEC ↗
Jun 16, 2025	Bourland Jillcluster Director	9.09	$33.02	$300.2	SEC ↗
May 16, 2025	Bourland Jillcluster Director	10.8	$27.79	$300.1	SEC ↗
May 13, 2025	Behen David Briancluster Director	366.97	$27.25	$10.0K	SEC ↗
May 9, 2025	McDonnell Neil Michaelcluster Director, President	15	$27.60	$414.0	SEC ↗
May 1, 2025	Schaefer William Mcluster Chief Financial Officer	80.97	$24.70	$2.0K	SEC ↗
May 1, 2025	Catlin Jon Dcluster Chief Credit Officer	12.15	$24.70	$300.1	SEC ↗
May 1, 2025	WHEELER PEGGYcluster Chief Operations Officer	10.12	$24.70	$250.0	SEC ↗
May 1, 2025	Schwind Jerome Ecluster Director, President & CEO	8.1	$24.70	$200.1	SEC ↗

82 earlier buys hidden — sign in free to see the full history.

ISBA insider buying — FAQ

Are insiders buying ISBA stock?: Yes — 16 distinct insiders have bought ISBA (ISABELLA BANK CORP) on the open market, including 2 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Jul 17, 2026.
How much ISBA stock have insiders bought?: Insiders have bought a combined $481.4K of ISBA across 107 open-market purchases, based on SEC Form 4 filings.
What is an insider cluster buy in ISBA?: A cluster buy is two or more distinct ISABELLA BANK CORP insiders — officers, directors, or 10% owners — each buying ISBA on the open market within a rolling window. ISBA has 2 detected cluster buys to date.
Where does this ISBA insider trading data come from?: Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.

How we track insider buying in ISBA

We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy ISBA within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?

This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding ISBA.