Plaumann Mark Lawrence — SEC Form 4 filings
SEC reporting owner CIK 1290795. 9 Form 4 filings on record with FilingPulse; latest filed 2026-09-17.
Transaction summary — filings shown
Covers all 9 filings on record, filed 2024-06-10 to 2026-09-17. 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 — 5,000 shares, $15,000 total (shares × price as filed).
- Open-market sales (code S, non-derivative): 4 legs across 3 filings — 2,890 shares, $560,417 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 8.
- Largest priced transaction: sale of 1,000 shares @ $210.58 ($210,577) in Diamondback Energy, Inc., filed 2026-08-24.
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 |
|---|---|---|---|---|---|
| Diamondback Energy, Inc. (FANG) | Director | 8 | — | 4 legs · 2,890 sh · $560,417 | 8 |
| MAMMOTH ENERGY SERVICES, INC. (TUSK) | Director | 1 | 1 leg · 5,000 sh · $15,000 | — | — |
Form 4 filings — Plaumann Mark Lawrence
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-17 | 4 | MAMMOTH ENERGY SERVICES, INC. (TUSK) | Purchase (P): 5,000 @ $3 | EDGAR |
| 2026-08-24 | 4 | Diamondback Energy, Inc. (FANG) | Sale (S): 1,000 @ $210.58 | EDGAR |
| 2026-06-10 | 4 | Diamondback Energy, Inc. (FANG) | Sale (S): 500 @ $196.50 | EDGAR |
| 2026-05-21 | 4 | Diamondback Energy, Inc. (FANG) | Grant/award (A): 982 @ $0 | EDGAR |
| 2025-06-23 | 4 | Diamondback Energy, Inc. (FANG) | Other (J): 2,965 @ $0 | EDGAR |
| 2025-05-22 | 4 | Diamondback Energy, Inc. (FANG) | Grant/award (A): 1,417 @ $0 | EDGAR |
| 2024-12-09 | 4 | Diamondback Energy, Inc. (FANG) | Gift (G): 100 @ $0 | EDGAR |
| 2024-11-14 | 4 | Diamondback Energy, Inc. (FANG) | Other (J): 11,724 @ $0 · Other (J): 5,862 @ $0 · Sale (S): 1,150 @ $181 · Gift (G): 2,310 @ $0 · Sale (S): 240 @ $181 | EDGAR |
| 2024-06-10 | 4 | Diamondback Energy, Inc. (FANG) | Grant/award (A): 1,035 @ $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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