CBU insider buying and SEC filings, explained
Community Financial System, Inc. · CIK 723188
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- NYSE
- Industry (SIC)
- National Commercial Banks
- State of incorporation
- DE
- Fiscal year end
- Dec 31
- Former names
- COMMUNITY BANK SYSTEM, INC.; COMMUNITY BANK NA, a subsidiary of Community Bank System Inc; COMMUNITY BANK NA, a subsidiary of Community Bank System Inc.; COMMUNITY BANK SYSTEM INC
Insider activity in the last 12 months
Bought
$75K
Insiders who bought
3
Sold (not marked 10b5-1)
$1.3M
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Sep 9, 2026 | Purchase (code P) | Savneet Singh (Director) bought 400 shares at about $62.47 ($25K), reported as a purchase (code P). Holdings up 999%+ to 418 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 10, 2026 |
| Aug 27, 2026 | Purchase (code P) | John A Vaccaro (Director) bought 317 shares at $63.11 ($20K), reported as a purchase (code P). Holdings up 181% to 492 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 28, 2026 |
| Aug 24, 2026 | Purchase (code P) | Brenda M Hall (Director) bought 476 shares at about $63.59 ($30K), reported as a purchase (code P). Holdings up 999%+ to 515 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 26, 2026 |
| Jun 25, 2026 | Sale | Mark J. Bolus (Director) sold 12,191 shares at $67.00 ($817K). Holdings down 11% to 94,060 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 29, 2026 |
| Jun 8, 2026 | Sale | Eric Stickels (Director) sold 2,000 shares at about $63.98 ($128K). Holdings down 6% to 31,592 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 10, 2026 |
| Dec 29, 2025 | Sale | Maureen A Gillan-Myer (EVP, Chief Admin & HR Officer) sold 3,450 shares indirectly (by retirement or benefit plan) at $58.85 ($203K). Holdings by retirement or benefit plan down 100% to 0 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 4, 2026 |
| Feb 3, 2026 | Sale | Eric Stickels (Director) sold 2,000 shares at about $64.75 ($130K). Holdings down 6% to 33,342 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 5, 2026 |
55 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
3 insiders bought in 30 days
$75K in purchases since Aug 24, 2026 · Purchases traded Aug 24, 2026 to Sep 9, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Brenda M Hall (Director) | $30K | Aug 24, 2026 | SEC filing |
| John A Vaccaro (Director) | $20K | Aug 27, 2026 | SEC filing |
| Savneet Singh (Director) | $25K | Sep 9, 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
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
Follow CBU in the Insider Ledger app
Get the appA plain-English brief of insider purchases, 8-Ks and red flags at the companies you pick. No account needed.