DAVID DANTZKER
CIK 1245926 · last filed 2025-11-19
DAVID DANTZKER is a corporate insider who has filed 71 SEC Form 4 insider transactions across 3 companies since 2007. The most recent filing, for SRDX, was dated Nov 19, 2025. Across all open-market trades the lifetime net is −$538.0K, making them a net seller over the disclosed history.
"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.
$0
3
71
-$538.0K
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| SURMODICS INC (SRDX) Delisted | Director | 0 | $42.98 | $0 | -$538.0K | 57 | 2025-11-19 |
| Neuro-Hitech, Inc. (NHPI) Delisted | Director | 769,495 | — | — | $0 | 4 | 2008-01-14 |
| DATASCOPE CORP (DSCP) Delisted | Director | — | — | — | $0 | 1 | 2008-01-09 |
Recent Filings
71 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2025-11-19 | SURMODICS INC (SRDX) Delisted | Disp (D) | −40,183 | $0 | EDGAR |
| 2025-02-18 | SURMODICS INC (SRDX) Delisted | Mixed | +1,059 | -$11 | EDGAR |
| 2024-02-12 | SURMODICS INC (SRDX) Delisted | Grant (A) | +1,803 | $0 | EDGAR |
| 2024-01-23 | SURMODICS INC (SRDX) Delisted | Mixed | +1,159 | -$27 | EDGAR |
| 2023-02-13 | SURMODICS INC (SRDX) Delisted | Grant (A) | +1,984 | $0 | EDGAR |
| 2022-11-15 | SURMODICS INC (SRDX) Delisted | Mixed | +1,593 | -$3.4K | EDGAR |
| 2022-02-14 | SURMODICS INC (SRDX) Delisted | Grant (A) | +1,375 | $0 | EDGAR |
| 2022-01-04 | SURMODICS INC (SRDX) Delisted | Grant (A) | +389 | $18.7K | EDGAR |
| 2021-11-29 | SURMODICS INC (SRDX) Delisted | Sell (S) | −3,475 | -$163.4K | EDGAR |
| 2021-11-08 | SURMODICS INC (SRDX) Delisted | Mixed | +3,475 | -$8 | EDGAR |