Mark J. Bolus
CIK 1486056 · last filed 2026-03-19
Mark J. Bolus is a corporate insider who has filed 91 SEC Form 4 insider transactions across 1 company since 2010. The most recent filing, for CBU, was dated Mar 19, 2026. Across all open-market trades the lifetime net is −$1.5M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $7.6M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$7.57M
1
91
-$1.49M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| CBU | Director | 114,381 | $66.18 | $7.57M | -$1.49M | 91 | 2026-03-19 |
Recent Filings
91 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-03-19 | CBU | Grant (A) | — | $0 | EDGAR |
| 2025-04-16 | CBU | Exer (M) | +12 | $0 | EDGAR |
| 2025-03-20 | CBU | Mixed | +1,430 | $0 | EDGAR |
| 2025-01-17 | CBU | Exer (M) | +712 | $0 | EDGAR |
| 2024-11-07 | CBU | Mixed | — | -$136.3K | EDGAR |
| 2024-03-20 | CBU | Grant (A) | — | $0 | EDGAR |
| 2024-02-23 | CBU | Mixed | — | -$26.3K | EDGAR |
| 2023-10-25 | CBU | Will (W) | +11,210 | $0 | EDGAR |
| 2023-03-14 | CBU | Mixed | — | -$10.8K | EDGAR |
| 2023-03-03 | CBU | Mixed | — | -$252.0K | EDGAR |