Koscinski Joseph S. — SEC Form 4 filings
SEC reporting owner CIK 1717992. 7 Form 4 filings on record with FilingPulse; latest filed 2026-03-06.
Transaction summary — filings shown
Covers all 7 filings on record, filed 2024-01-24 to 2026-03-06. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): 1 leg across 1 filing — 4,807 shares, $30,090 total (shares × price as filed).
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 6.
- Largest priced transaction: purchase of 4,807 shares @ $6.26 ($30,090) in Ecovyst Inc., filed 2024-08-06.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Ecovyst Inc. (ECVT) | See Remarks | 7 | 1 leg · 4,807 sh · $30,090 | — | 6 |
Form 4 filings — Koscinski Joseph S.
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-03-06 | 4 | Ecovyst Inc. (ECVT) | Grant/award (A): 11,052 @ $11.31 | EDGAR |
| 2026-02-05 | 4 | Ecovyst Inc. (ECVT) | Grant/award (A): 27,158 @ $0 | EDGAR |
| 2025-02-05 | 4 | Ecovyst Inc. (ECVT) | Grant/award (A): 35,944 @ $0 | EDGAR |
| 2025-01-23 | 4 | Ecovyst Inc. (ECVT) | Tax withholding (F): 5,522 @ $7.96 | EDGAR |
| 2025-01-07 | 4 | Ecovyst Inc. (ECVT) | Tax withholding (F): 17,457 @ $7.75 | EDGAR |
| 2024-08-06 | 4 | Ecovyst Inc. (ECVT) | Purchase (P): 4,807 @ $6.26 | EDGAR |
| 2024-01-24 | 4 | Ecovyst Inc. (ECVT) | Grant/award (A): 45,403 @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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