Katie Seitz Evans
CIK: 0001700262
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
MAGNITE, INC.
Discretionary Trading P&L
Holdings
Transaction History (29 total)
- Sep 11, 2026MGNI
MAGNITE, INC.
Sale(S)Direct14K shares at avg. $24.00$336K - Sep 9, 2026MGNI
MAGNITE, INC.
Sale(S)Direct11.1K shares at avg. $23.46$260K - Sep 8, 2026MGNI
MAGNITE, INC.
Sale(S)Direct32.3K shares at avg. $23.63$763K - Sep 8, 2026MGNI
MAGNITE, INC.
Exercise(M)Direct13.5K shares at avg. $5.16$70K - Aug 15, 2026MGNI
MAGNITE, INC.
Tax Payment(F)Direct11.2K shares at avg. $24.73$277K - Aug 6, 2026MGNI
MAGNITE, INC.
Exercise(M)Direct20K shares at avg. $5.16$103K - Aug 6, 2026MGNI
MAGNITE, INC.
Sale(S)Direct20K shares at avg. $24.00$480K - May 15, 2026MGNI
MAGNITE, INC.
Tax Payment(F)Direct11.2K shares at avg. $12.82$144K - Feb 15, 2026MGNI
MAGNITE, INC.
Tax Payment(F)Direct27.4K shares at avg. $11.70$321K - Jan 9, 2026MGNI
MAGNITE, INC.
Tax Payment(F)Direct26.8K shares at avg. $16.17$434K - Jan 9, 2026MGNI
MAGNITE, INC.
Exercise(M)Direct51.3K shares- - Jan 1, 2026MGNI
MAGNITE, INC.
Award(A)Direct127.3K shares- - Nov 15, 2025MGNI
MAGNITE, INC.
Tax Payment(F)Direct10.4K shares at avg. $14.15$147K - Aug 27, 2025MGNI
MAGNITE, INC.
Sale(S)Direct21.5K shares at avg. $25.52$549K - Aug 25, 2025MGNI
MAGNITE, INC.
Sale(S)Direct8.3K shares at avg. $26.00$217K - Aug 18, 2025MGNI
MAGNITE, INC.
Sale(S)Direct10.5K shares at avg. $23.85$250K - Jun 30, 2025MGNI
MAGNITE, INC.
Sale(S)Direct16.1K shares at avg. $24.00$387K - Jun 30, 2025MGNI
MAGNITE, INC.
Sale(S)Direct8.4K shares at avg. $22.00$184K - Jun 30, 2025MGNI
MAGNITE, INC.
Exercise(M)Direct16.1K shares at avg. $3.61$58K - Jun 16, 2025MGNI
MAGNITE, INC.
Exercise(M)Direct20K shares at avg. $3.61$72K - Jun 16, 2025MGNI
MAGNITE, INC.
Sale(S)Direct20K shares at avg. $18.50$370K - Jun 5, 2025MGNI
MAGNITE, INC.
Exercise(M)Direct20K shares at avg. $3.61$72K - Jun 5, 2025MGNI
MAGNITE, INC.
Sale(S)Direct35K shares at avg. $17.36$608K - May 15, 2025MGNI
MAGNITE, INC.
Tax Payment(F)Direct10.9K shares at avg. $15.88$172K - Feb 15, 2025MGNI
MAGNITE, INC.
Tax Payment(F)Direct23.5K shares at avg. $20.00$470K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 11, 2026 | MGNI MAGNITE, INC. | Sale(S) | 13,997 | $24.00 | $335,928 | Direct |
| Sep 9, 2026 | MGNI MAGNITE, INC. | Sale(S) | 11,100 | $23.46 | $260,406 | Direct |
| Sep 8, 2026 | MGNI MAGNITE, INC. | Sale(S) | 32,285 | $23.63 | $762,895 | Direct |
| Sep 8, 2026 | MGNI MAGNITE, INC. | Exercise(M) | 13,546 | $5.16 | $69,897 | Direct |
| Aug 15, 2026 | MGNI MAGNITE, INC. | Tax Payment(F) | 11,204 | $24.73 | $277,075 | Direct |
| Aug 6, 2026 | MGNI MAGNITE, INC. | Exercise(M) | 20,000 | $5.16 | $103,200 | Direct |
| Aug 6, 2026 | MGNI MAGNITE, INC. | Sale(S) | 20,000 | $24.00 | $480,000 | Direct |
| May 15, 2026 | MGNI MAGNITE, INC. | Tax Payment(F) | 11,204 | $12.82 | $143,635 | Direct |
| Feb 15, 2026 | MGNI MAGNITE, INC. | Tax Payment(F) | 27,428 | $11.70 | $320,908 | Direct |
| Jan 9, 2026 | MGNI MAGNITE, INC. | Tax Payment(F) | 26,836 | $16.17 | $433,938 | Direct |
| Jan 9, 2026 | MGNI MAGNITE, INC. | Exercise(M) | 51,300 | - | $0 | Direct |
| Jan 1, 2026 | MGNI MAGNITE, INC. | Award(A) | 127,273 | - | $0 | Direct |
| Nov 15, 2025 | MGNI MAGNITE, INC. | Tax Payment(F) | 10,354 | $14.15 | $146,509 | Direct |
| Aug 27, 2025 | MGNI MAGNITE, INC. | Sale(S) | 21,509 | $25.52 | $548,910 | Direct |
| Aug 25, 2025 | MGNI MAGNITE, INC. | Sale(S) | 8,345 | $26.00 | $216,970 | Direct |
| Aug 18, 2025 | MGNI MAGNITE, INC. | Sale(S) | 10,487 | $23.85 | $250,115 | Direct |
| Jun 30, 2025 | MGNI MAGNITE, INC. | Sale(S) | 16,137 | $24.00 | $387,288 | Direct |
| Jun 30, 2025 | MGNI MAGNITE, INC. | Sale(S) | 8,358 | $22.00 | $183,876 | Direct |
| Jun 30, 2025 | MGNI MAGNITE, INC. | Exercise(M) | 16,137 | $3.61 | $58,255 | Direct |
| Jun 16, 2025 | MGNI MAGNITE, INC. | Exercise(M) | 20,000 | $3.61 | $72,200 | Direct |
| Jun 16, 2025 | MGNI MAGNITE, INC. | Sale(S) | 20,000 | $18.50 | $370,000 | Direct |
| Jun 5, 2025 | MGNI MAGNITE, INC. | Exercise(M) | 20,000 | $3.61 | $72,200 | Direct |
| Jun 5, 2025 | MGNI MAGNITE, INC. | Sale(S) | 35,000 | $17.36 | $607,600 | Direct |
| May 15, 2025 | MGNI MAGNITE, INC. | Tax Payment(F) | 10,860 | $15.88 | $172,457 | Direct |
| Feb 15, 2025 | MGNI MAGNITE, INC. | Tax Payment(F) | 23,481 | $20.00 | $469,620 | Direct |
1-25 of 29 transactions
About Evans Katie Seitz
Evans Katie Seitz (SEC CIK 0001700262) files insider reports with the SEC as Officer of MAGNITE, INC. (MGNI).
Signal8 holds 21 ownership filings by Evans Katie Seitz, all Form 4s, filed between Nov 13, 2024 and Sep 11, 2026. Those filings report 29 transactions, from Nov 11, 2024 to Sep 11, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Evans Katie Seitz's filings is in NEW YORK, NY.
Recent filings by Evans Katie Seitz
- Sep 11, 2026: Open-market sale of MGNI shares (Form 4, code S).
- Sep 9, 2026: Open-market sale of MGNI shares (Form 4, code S).
- Sep 8, 2026: Open-market sale of MGNI shares (Form 4, code S).
- Sep 8, 2026: Option exercise of MGNI shares (Form 4, code M).
- Aug 15, 2026: Tax withholding of MGNI shares (Form 4, code F).
Other insiders filing for MAGNITE, INC. (MGNI)
- Caine Paul, Director
- Sullivan Haas, CHIEF ACCOUNTING OFFICER
- Gephart Brian, CHIEF FINANCIAL OFFICER
- Knopper Douglas S, Director
- Buonasera David, CHIEF TECHNOLOGY OFFICER
- Spillane Robert F, Director