DAVID DANTZKER
CIK 1245926 · last filed 2025-11-19
"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.
Loading insider history…
Disclosed Exposure
$0
Companies
3
Total Filings
71
Lifetime Open-Market Net
-$538.0K
Holdings By Company
Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
| 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 · Page 4 of 8
71 filingsInsider activity across all companies, newest first. Form 4 rows are post-trade confirmations (buys, sells, grants, exercises). Notice (144) rows are pre-trade notices of intent to sell restricted or control stock under Rule 144 — they may not all execute. Compare adjacent dates to see which notices became actual sales.
| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2018-04-03 | SURMODICS INC (SRDX) Delisted | Grant (A) | +367 | $14.0K | EDGAR |
| 2018-02-22 | SURMODICS INC (SRDX) Delisted | Grant (A) | +1,739 | $0 | EDGAR |
| 2018-01-03 | SURMODICS INC (SRDX) Delisted | Grant (A) | +500 | $14.0K | EDGAR |
| 2017-10-03 | SURMODICS INC (SRDX) Delisted | Grant (A) | +411 | $12.7K | EDGAR |
| 2017-07-05 | SURMODICS INC (SRDX) Delisted | Grant (A) | +452 | $12.7K | EDGAR |
| 2017-04-04 | SURMODICS INC (SRDX) Delisted | Grant (A) | +530 | $12.7K | EDGAR |
| 2017-02-16 | SURMODICS INC (SRDX) Delisted | Grant (A) | +1,252 | $0 | EDGAR |
| 2017-01-04 | SURMODICS INC (SRDX) Delisted | Grant (A) | +501 | $12.7K | EDGAR |
| 2016-10-04 | SURMODICS INC (SRDX) Delisted | Grant (A) | +423 | $12.7K | EDGAR |
| 2016-07-05 | SURMODICS INC (SRDX) Delisted | Grant (A) | +543 | $12.7K | EDGAR |
Form 4 codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.