Isabella Bank Corporation (ISBA) Insider Trading

Over the last 3 months, ISBA insiders made 3 open-market buys and 0 sales, a net purchase of $894 (SEC Form 4). Over the last 6 months, 10 institutions increased and 8 reduced their position (13F).

Insider Activity

Sentiment
100/100
Buys (3m)
3
Sells (3m)
0
Net (3m)
$894
Insiders buying
Insider trades by month Buys Sells
Mar
Apr
May
Jun
Jul
Aug
Context3-month price -6%Institutions reducing (13F)
DateInsiderTypeSharesPrice
Aug 17, 2026Bourland JilldirectorBuy7$41.59
Jul 17, 2026Bourland JilldirectorBuy8$39.07
Jun 17, 2026Bourland JilldirectorBuy7$41.43
Jun 3, 2026Bourland JilldirectorGrant9$41.49
Jun 3, 2026Opperman Sarah RdirectorGrant43$41.49
Jun 3, 2026Barnes Jeffrey JdirectorGrant225$41.49
Jun 3, 2026Rupp Vicki LdirectorGrant30$41.49
Jun 3, 2026Coffin Melinda MariedirectorGrant30$41.49
Jun 3, 2026McDonnell Neil Michaeldirector, officer: PresidentGrant3$41.49
Jun 3, 2026Tessin Brian BdirectorGrant7$41.49
Jun 3, 2026Schwind Jerome Edirector, officer: President & CEOGrant113$41.49
Jun 3, 2026Sackett Brian RoydirectorGrant22$41.49
May 20, 2026Bourland JilldirectorBuy7$41.05
Apr 17, 2026Bourland JilldirectorBuy6$48.90
Mar 18, 2026Bourland JilldirectorBuy7$44.03
Mar 4, 2026Rupp Vicki LdirectorGrant251$48.54
Mar 4, 2026McDonnell Neil Michaeldirector, officer: PresidentBuy55$31.47
Mar 4, 2026McDonnell Neil Michaeldirector, officer: PresidentGrant2$48.54
Mar 4, 2026Schwind Jerome Edirector, officer: President & CEOBuy396$31.47
Mar 4, 2026Catlin Jon Dofficer: Chief Credit OfficerBuy103$31.47
Mar 4, 2026Bourland JilldirectorGrant8$48.54
Mar 4, 2026Coffin Melinda MariedirectorGrant24$48.54
Mar 4, 2026Evans Jae AdirectorGrant18$48.54
Mar 4, 2026Huenemann Michael Kyleofficer: Chief Lending OfficerBuy61$31.47
Mar 4, 2026Schwind Jerome Edirector, officer: President & CEOGrant710$48.54
Mar 4, 2026Tessin Brian BdirectorGrant826$48.54
Mar 4, 2026Opperman Sarah RdirectorGrant36$48.54
Mar 4, 2026Sackett Brian RoydirectorGrant18$48.54
Mar 4, 2026Barnes Jeffrey JdirectorGrant1,030$48.54
Feb 18, 2026Bourland JilldirectorBuy6$51.30

Source: ISBA SEC Form 4 filings, latest Aug 17, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their ISBA positions over the last 6 months (SEC Form 13F).

Increased
10
New positions
14
Reduced
8
Sold out
42
Largest moves
InstitutionActionSharesFiled
VANGUARD CAPITAL MANAGEMENT LLCNew Position274KMay 15, 2026
MILLENNIUM MANAGEMENT LLCIncreased107KMay 15, 2026
BLACKROCK, INC.Reduced100KMay 13, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLPIncreased95KMay 15, 2026
GEODE CAPITAL MANAGEMENT, LLCIncreased80KMay 15, 2026
MARSHALL WACE, LLPIncreased54KMay 15, 2026
VANGUARD FIDUCIARY TRUST CONew Position41KMay 8, 2026
HARBOUR INVESTMENTS, INC.Unchanged27KMay 15, 2026
STATE STREET CORPIncreased22KMay 15, 2026
QUBE RESEARCH & TECHNOLOGIES LTDIncreased22KMay 15, 2026
GOLDMAN SACHS GROUP INCReduced21KMay 15, 2026
GOLDMAN SACHS GROUP INCNew Position20KMar 25, 2026
AMERICAN CENTURY COMPANIES INCNew Position18KMay 15, 2026
NORTHERN TRUST CORPUnchanged15KMay 14, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLCNew Position14KMay 15, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.