LANIGAN MATTHEW — SEC Form 4 filings
SEC reporting owner CIK 1672978. 11 Form 4 filings on record with FilingPulse; latest filed 2026-06-05.
Transaction summary — filings shown
Covers all 11 filings on record, filed 2024-05-17 to 2026-06-05. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 3 legs across 3 filings — 237,271 shares, $3,138,824 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 32.
- Largest priced transaction: sale of 167,375 shares @ $14.43 ($2,415,907) in NPK International Inc., filed 2026-06-05.
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 |
|---|---|---|---|---|---|
| NPK International Inc. (NPKI) | President & CEO, Director | 11 | — | 3 legs · 237,271 sh · $3,138,824 | 32 |
Form 4 filings — LANIGAN MATTHEW
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-05 | 4 | NPK International Inc. (NPKI) | Sale (S): 167,375 @ $14.43 | EDGAR |
| 2026-06-03 | 4 | NPK International Inc. (NPKI) | Tax withholding (F): 22,232 @ $14.31 · Tax withholding (F): 27,894 @ $14.31 · Tax withholding (F): 39,423 @ $14.31 · Option exercise (M): 100,188 @ $0 · Option exercise (M): 100,188 (derivative) @ $0 | EDGAR |
| 2026-05-21 | 4 | NPK International Inc. (NPKI) | Grant/award (A): 85,771 @ $0 | EDGAR |
| 2025-10-06 | 4 | NPK International Inc. (NPKI) | Gift (G): 770,249 @ $0 | EDGAR |
| 2025-09-04 | 4 | NPK International Inc. (NPKI) | Option exercise (M): 1,000 @ $4.32 · Sale (S): 1,000 @ $10.38 · Option exercise (M): 1,000 (derivative) @ $10.38 | EDGAR |
| 2025-08-26 | 4 | NPK International Inc. (NPKI) | Option exercise (M): 68,896 @ $4.32 · Sale (S): 68,896 @ $10.34 · Option exercise (M): 68,896 (derivative) @ $10.34 | EDGAR |
| 2025-06-03 | 4 | NPK International Inc. (NPKI) | Option exercise (M): 108,651 @ $0 · Option exercise (M): 100,188 @ $0 · Tax withholding (F): 22,232 @ $8.09 · Tax withholding (F): 39,423 @ $8.09 · Tax withholding (F): 42,754 @ $8.09 · Option exercise (M): 108,651 (derivative) @ $0 · +1 more | EDGAR |
| 2025-05-16 | 4 | NPK International Inc. (NPKI) | Grant/award (A): 212,667 @ $0 | EDGAR |
| 2024-09-04 | 4 | NEWPARK RESOURCES INC (NR) | Option exercise (M): 33,333 @ $0 · Tax withholding (F): 13,116 @ $8.23 · Option exercise (M): 33,333 (derivative) @ $0 | EDGAR |
| 2024-06-04 | 4 | NEWPARK RESOURCES INC (NR) | Option exercise (M): 37,090 @ $0 · Option exercise (M): 108,651 @ $0 · Option exercise (M): 100,189 @ $0 · Tax withholding (F): 39,424 @ $8.48 · Tax withholding (F): 42,754 @ $8.48 · Tax withholding (F): 14,594 @ $8.48 · +3 more | EDGAR |
| 2024-05-17 | 4 | NEWPARK RESOURCES INC (NR) | Grant/award (A): 169,496 @ $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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