ISBA insider buying and SEC filings, explained
Isabella Bank Corp. · CIK 842517
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- Nasdaq
- Industry (SIC)
- State Commercial Banks
- State of incorporation
- MI
- Fiscal year end
- Dec 31
- Former names
- IBT BANCORP INC /MI/
Insider activity in the last 12 months
Bought
$108K
Insiders who bought
7
Sold (not marked 10b5-1)
$0
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Oct 16, 2026 | Purchase (code P) | Jill Bourland (Director) bought 8 shares at $36.71 ($300), reported as a purchase (code P). Holdings up <1% to 5,933 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 20, 2026, 8:32 AM ET |
| Sep 16, 2026 | Purchase (code P) | Jill Bourland (Director) bought 8 shares at $39.40 ($300), reported as a purchase (code P). Holdings up <1% to 5,917 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 17, 2026 |
| Aug 17, 2026 | Purchase (code P) | Jill Bourland (Director) bought 7 shares at $41.59 ($300), reported as a purchase (code P). Holdings up <1% to 5,899 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 17, 2026 |
| Jul 16, 2026 | Purchase (code P) | Jill Bourland (Director) bought 8 shares at $39.07 ($300), reported as a purchase (code P). Holdings up <1% to 5,892 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jul 17, 2026 |
| Jun 16, 2026 | Purchase (code P) | Jill Bourland (Director) bought 7 shares at $41.43 ($300), reported as a purchase (code P). Holdings up <1% to 5,877 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 17, 2026 |
| May 18, 2026 | Purchase (code P) | Jill Bourland (Director) bought 7 shares at $41.05 ($300), reported as a purchase (code P). Holdings up <1% to 5,861 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 20, 2026 |
| Apr 16, 2026 | Purchase (code P) | Jill Bourland (Director) bought 6 shares at $48.90 ($300), reported as a purchase (code P). Holdings up <1% to 5,853 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 17, 2026 |
| Mar 16, 2026 | Purchase (code P) | Jill Bourland (Director) bought 7 shares at $44.03 ($300), reported as a purchase (code P). Holdings up <1% to 5,840 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 18, 2026 |
| Mar 2, 2026 | Purchase (code P) | Jon D Catlin (Chief Credit Officer) bought 103 shares at $31.47 ($3K), reported as a purchase (code P). Holdings up 9% to 1,285 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 4, 2026 |
| Mar 2, 2026 | Purchase (code P) | Michael Kyle Huenemann (Chief Lending Officer) bought 61 shares at $31.47 ($2K), reported as a purchase (code P). Holdings up 6% to 1,097 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 4, 2026 |
| Mar 2, 2026 | Purchase (code P) | Neil Michael McDonnell (President / COO and Director) bought 55 shares at $31.47 ($2K), reported as a purchase (code P). Holdings up <1% to 12,189 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 4, 2026 |
| Mar 2, 2026 | Purchase (code P) | Jerome E Schwind (CEO and Director) bought 396 shares at $31.47 ($12K), reported as a purchase (code P). Holdings up 1% to 37,493 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 4, 2026 |
| Feb 17, 2026 | Purchase (code P) | Jill Bourland (Director) bought 6 shares at $51.30 ($300), reported as a purchase (code P). Holdings up <1% to 5,826 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 18, 2026 |
| Sep 16–Dec 16, 2025 | Purchase (code P) | Jill Bourland (Director) bought 31 shares between Sep 16, 2025 and Dec 16, 2025 at about $39.24 ($1K), reported as a purchase (code P). Holdings up 1% to 5,572 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 13, 2026 |
| Jan 20, 2026 | Purchase (code P) | Sarah R Opperman (Director) bought 277 shares at $49.58 ($14K), reported as a purchase (code P). Holdings up 1% to 24,412 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 23, 2026 |
| Jan 20, 2026 | Purchase (code P) | Brian Roy Sackett (Director) bought 403 shares at $49.58 ($20K), reported as a purchase (code P). Holdings up 11% to 4,159 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 23, 2026 |
| Jan 20, 2026 | Purchase (code P) | Jae A Evans (Director) bought 201 shares at $49.58 ($10K), reported as a purchase (code P). Holdings up 1% to 26,953 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 23, 2026 |
| Jan 20, 2026 | Purchase (code P) | David Brian Behen (Director) bought 242 shares at $49.58 ($12K), reported as a purchase (code P). Holdings up 66% to 611 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 23, 2026 |
| Jan 20, 2026 | Purchase (code P) | Melinda Marie Coffin (Director) bought 444 shares at $49.58 ($22K), reported as a purchase (code P). Holdings up 9% to 5,555 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 23, 2026 |
| Jan 20, 2026 | Purchase (code P) | Neil Michael McDonnell (President / COO and Director) bought 303 shares at $49.58 ($15K), reported as a purchase (code P). Holdings up 3% to 9,870 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 23, 2026 |
| Jan 16–20, 2026 | Purchase (code P) | Jill Bourland (Director) bought 248 shares between Jan 16 and Jan 20 at about $49.59 ($12K), reported as a purchase (code P). Holdings up 4% to 5,820 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jan 21, 2026 |
43 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
6 insiders bought in 30 days
$95K in purchases since Jan 20, 2026 · Purchases traded Jan 20, 2026 to Jan 20, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Jill Bourland (Director) | $12K | Jan 20, 2026 | SEC filing |
| Neil Michael McDonnell (President / COO) | $15K | Jan 20, 2026 | SEC filing |
| Melinda Marie Coffin (Director) | $22K | Jan 20, 2026 | SEC filing |
| David Brian Behen (Director) | $12K | Jan 20, 2026 | SEC filing |
| Brian Roy Sackett (Director) | $20K | Jan 20, 2026 | SEC filing |
| Sarah R Opperman (Director) | $14K | Jan 20, 2026 | SEC filing |
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
| Filed | Items | Tag | Source |
|---|---|---|---|
| Nov 2, 2026, 4:30 PM ET 8-K | Acquisition or disposal completed (Item 2.01) Other event (Item 8.01) | SEC filing | |
| Oct 29, 2026, 8:34 AM ET 8-K | Earnings released (Item 2.02) | SEC filing |
Red flags are objective triggers only: the item or form filed, never an opinion.
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