Gephart Brian — SEC Form 4 filings
SEC reporting owner CIK 1778484. 19 Form 4 filings on record with FilingPulse; latest filed 2026-08-18.
Transaction summary — filings shown
Covers all 19 filings on record, filed 2024-02-16 to 2026-08-18. 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): 8 legs across 8 filings — 76,173 shares, $1,573,173 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 12.
- Largest priced transaction: sale of 27,671 shares @ $24.71 ($683,750) in MAGNITE, INC., filed 2025-09-05.
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 |
|---|---|---|---|---|---|
| MAGNITE, INC. (MGNI) | CHIEF ACCOUNTING OFFICER | 19 | — | 8 legs · 76,173 sh · $1,573,173 | 12 |
Form 4 filings — Gephart Brian
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-18 | 4 | MAGNITE, INC. (MGNI) | Tax withholding (F): 3,789 @ $24.73 | EDGAR |
| 2026-08-12 | 4 | MAGNITE, INC. (MGNI) | Sale (S): 12,479 @ $24.68 | EDGAR |
| 2026-05-19 | 4 | MAGNITE, INC. (MGNI) | Tax withholding (F): 3,789 @ $12.82 | EDGAR |
| 2026-02-18 | 4 | MAGNITE, INC. (MGNI) | Tax withholding (F): 6,149 @ $11.70 | EDGAR |
| 2026-01-05 | 4 | MAGNITE, INC. (MGNI) | Grant/award (A): 39,185 @ $0 | EDGAR |
| 2025-11-18 | 4 | MAGNITE, INC. (MGNI) | Tax withholding (F): 3,549 @ $14.15 | EDGAR |
| 2025-09-05 | 4 | MAGNITE, INC. (MGNI) | Sale (S): 27,671 @ $24.71 | EDGAR |
| 2025-08-20 | 4 | MAGNITE, INC. (MGNI) | Sale (S): 2,961 @ $23.85 | EDGAR |
| 2025-05-16 | 4 | MAGNITE, INC. (MGNI) | Tax withholding (F): 3,045 @ $15.88 | EDGAR |
| 2025-05-14 | 4 | MAGNITE, INC. (MGNI) | Sale (S): 6,334 @ $16.16 | EDGAR |
| 2025-03-05 | 4 | MAGNITE, INC. (MGNI) | Sale (S): 6,250 @ $16 | EDGAR |
| 2025-02-19 | 4 | MAGNITE, INC. (MGNI) | Tax withholding (F): 6,749 @ $20 | EDGAR |
| 2025-01-06 | 4 | MAGNITE, INC. (MGNI) | Grant/award (A): 33,113 @ $0 | EDGAR |
| 2024-11-19 | 4 | MAGNITE, INC. (MGNI) | Tax withholding (F): 2,031 @ $15.85 · Sale (S): 2,156 @ $15.60 | EDGAR |
| 2024-11-13 | 4 | MAGNITE, INC. (MGNI) | Sale (S): 2,156 @ $15 | EDGAR |
| 2024-08-16 | 4 | MAGNITE, INC. (MGNI) | Tax withholding (F): 2,031 @ $12.51 | EDGAR |
| 2024-07-17 | 4 | MAGNITE, INC. (MGNI) | Sale (S): 16,166 @ $15 | EDGAR |
| 2024-05-17 | 4 | MAGNITE, INC. (MGNI) | Tax withholding (F): 2,004 @ $9.80 | EDGAR |
| 2024-02-16 | 4 | MAGNITE, INC. (MGNI) | Tax withholding (F): 5,650 @ $9.74 | 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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