BARRETT MICHAEL G. — SEC Form 4 filings
SEC reporting owner CIK 1100612. 29 Form 4 filings on record with FilingPulse; latest filed 2026-08-18.
Transaction summary — filings shown
Covers all 29 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): 18 legs across 16 filings — 1,793,011 shares, $32,541,734 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 34.
- Largest priced transaction: sale of 293,968 shares @ $22.72 ($6,678,953) in MAGNITE, INC., filed 2026-08-07.
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) | CEO, Director | 27 | — | 18 legs · 1,793,011 sh · $32,541,734 | 32 |
| OUTFRONT Media Inc. (OUT) | Director | 2 | — | — | 2 |
Form 4 filings — BARRETT MICHAEL G.
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-18 | 4 | MAGNITE, INC. (MGNI) | Tax withholding (F): 10,404 @ $24.73 | EDGAR |
| 2026-08-07 | 4 | MAGNITE, INC. (MGNI) | Option exercise (M): 293,968 @ $5.80 · Sale (S): 293,968 @ $22.72 · Option exercise (M): 293,968 (derivative) @ $0 | EDGAR |
| 2026-07-17 | 4 | MAGNITE, INC. (MGNI) | Option exercise (M): 38,596 @ $5.80 · Sale (S): 38,596 @ $20.35 · Option exercise (M): 38,596 (derivative) @ $0 | EDGAR |
| 2026-07-01 | 4 | MAGNITE, INC. (MGNI) | Option exercise (M): 75,000 @ $5.80 · Sale (S): 75,000 @ $19.50 · Option exercise (M): 75,000 (derivative) @ $0 | EDGAR |
| 2026-06-17 | 4 | MAGNITE, INC. (MGNI) | Option exercise (M): 178,596 @ $5.80 · Sale (S): 178,596 @ $16.59 · Option exercise (M): 100,000 @ $5.80 · Sale (S): 100,000 @ $17.50 · Option exercise (M): 178,596 (derivative) @ $0 · Option exercise (M): 100,000 (derivative) @ $0 | EDGAR |
| 2026-06-04 | 4 | OUTFRONT Media Inc. (OUT) | Grant/award (A): 5,918 (derivative) @ $0 | EDGAR |
| 2026-05-19 | 4 | MAGNITE, INC. (MGNI) | Tax withholding (F): 10,404 @ $12.82 | EDGAR |
| 2026-02-18 | 4 | MAGNITE, INC. (MGNI) | Tax withholding (F): 23,549 @ $11.70 | EDGAR |
| 2026-01-12 | 4 | MAGNITE, INC. (MGNI) | Option exercise (M): 213,750 @ $0 · Tax withholding (F): 109,742 @ $16.17 · Option exercise (M): 213,750 (derivative) @ $0 | EDGAR |
| 2026-01-05 | 4 | MAGNITE, INC. (MGNI) | Grant/award (A): 94,044 @ $0 · Grant/award (A): 122,864 (derivative) @ $0 · Grant/award (A): 90,909 (derivative) @ $0 | EDGAR |
| 2025-11-18 | 4 | MAGNITE, INC. (MGNI) | Tax withholding (F): 12,198 @ $14.15 | EDGAR |
| 2025-09-22 | 4 | OUTFRONT Media Inc. (OUT) | Grant/award (A): 6,047 (derivative) @ $0 | EDGAR |
| 2025-08-20 | 4 | MAGNITE, INC. (MGNI) | Sale (S): 35,951 @ $23.85 | EDGAR |
| 2025-07-17 | 4 | MAGNITE, INC. (MGNI) | Sale (S): 70,900 @ $23.27 | EDGAR |
| 2025-06-26 | 4 | MAGNITE, INC. (MGNI) | Sale (S): 300,000 @ $20.01 | EDGAR |
| 2025-06-18 | 4 | MAGNITE, INC. (MGNI) | Sale (S): 45,000 @ $17.76 · Sale (S): 30,000 @ $19 | EDGAR |
| 2025-05-16 | 4 | MAGNITE, INC. (MGNI) | Tax withholding (F): 13,086 @ $15.88 | EDGAR |
| 2025-02-19 | 4 | MAGNITE, INC. (MGNI) | Tax withholding (F): 26,499 @ $20 | EDGAR |
| 2025-02-07 | 4 | MAGNITE, INC. (MGNI) | Option exercise (M): 108,360 @ $0 · Tax withholding (F): 55,675 @ $17.97 · Option exercise (M): 86,806 (derivative) @ $0 | EDGAR |
| 2025-01-13 | 4 | MAGNITE, INC. (MGNI) | Grant/award (A): 82,117 @ $0 · Grant/award (A): 107,497 (derivative) @ $0 · Grant/award (A): 81,374 (derivative) @ $0 | EDGAR |
| 2024-12-06 | 4 | MAGNITE, INC. (MGNI) | Sale (S): 147,996 @ $17.52 | EDGAR |
| 2024-11-27 | 4 | MAGNITE, INC. (MGNI) | Sale (S): 27,004 @ $17.63 | EDGAR |
| 2024-11-19 | 4 | MAGNITE, INC. (MGNI) | Tax withholding (F): 9,638 @ $15.85 · Sale (S): 100,000 @ $16.14 | EDGAR |
| 2024-11-13 | 4 | MAGNITE, INC. (MGNI) | Sale (S): 25,000 @ $15 | EDGAR |
| 2024-08-16 | 4 | MAGNITE, INC. (MGNI) | Tax withholding (F): 32,941 @ $12.51 · Sale (S): 75,000 @ $12.63 | EDGAR |
| 2024-07-17 | 4 | MAGNITE, INC. (MGNI) | Sale (S): 100,000 @ $15 | EDGAR |
| 2024-05-17 | 4 | MAGNITE, INC. (MGNI) | Tax withholding (F): 10,441 @ $9.80 · Sale (S): 75,000 @ $9.02 | EDGAR |
| 2024-03-18 | 4 | MAGNITE, INC. (MGNI) | Sale (S): 75,000 @ $11.21 | EDGAR |
| 2024-02-16 | 4 | MAGNITE, INC. (MGNI) | Tax withholding (F): 20,400 @ $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.
Need this as JSON?
GET https://api.filingpulse.io/v1/insider-trades?owner_cik=1100612 returns every filing on this page — normalized, with footnotes and derivative legs — and webhooks push new filings to you in seconds. API docs →