MARTIN A DIETRICH
CIK 1204704 · Chairman, NBT Bancorp · last filed 2026-05-21
MARTIN A DIETRICH is a Chairman, NBT Bancorp who has filed 84 SEC Form 4 insider transactions across 1 company since 2007. The most recent filing, for NBTB, was dated May 21, 2026. Across all open-market trades the lifetime net is −$10.9M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $5.4M 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.
$5.43M
1
84
-$10.91M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| NBTB | Director | 112,634 | $48.18 | $5.43M | -$10.91M | 84 | 2026-05-21 |
Recent Filings
84 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-05-21 | NBTB | Grant (A) | +1,050 | $0 | EDGAR |
| 2025-05-21 | NBTB | Grant (A) | +1,032 | $0 | EDGAR |
| 2024-12-16 | NBTB | Gift (G) | −2,000 | $0 | EDGAR |
| 2024-05-22 | NBTB | Grant (A) | +1,068 | $0 | EDGAR |
| 2023-05-17 | NBTB | Grant (A) | +1,250 | $0 | EDGAR |
| 2022-08-17 | NBTB | Sell (S) | −10,181 | -$432.7K | EDGAR |
| 2022-05-19 | NBTB | Grant (A) | +1,106 | $0 | EDGAR |
| 2022-01-18 | NBTB | Sell (S) | −9,935 | -$417.3K | EDGAR |
| 2021-05-26 | NBTB | Mixed | −92 | $0 | EDGAR |
| 2020-05-20 | NBTB | Grant (A) | +1,240 | $0 | EDGAR |