Senior insider sale
Chief Operating Officer at MAGNITE, INC. — senior position signals high conviction
$1.24M
52.28K shares
What this filing means
EVANS KATIE SEITZ plans to sell 52.28K shares of MAGNITE, INC. valued at approximately $1.24M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 9/8/2026ACC: 0001950047-26-009170
Officer· Chief Operating Officer
Since Sep 2020
52.28K
Shares to sell
$1.24M
Approx. market value
32.28K
Acquired (3 months)
1
Planned
1 completed
Securities Acquired — Last 3 Months3
Stock Option Exercise
Cash
9/8/2026
13.55KRestricted Stock
Not Applicable
2/15/2023
11.85KRestricted Stock
Not Applicable
4/29/2020
6.89KTotal acquired32.28K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
9/8/2026 | Stock Option Exercise Cash | 13.55K | — |
2/15/2023 | Restricted Stock Not Applicable | 11.85K | — |
4/29/2020 | Restricted Stock Not Applicable | 6.89K | — |
| Total | 32.28K | ||
Planned & Completed Dispositions2
Completed
—Completed
Units to sell
20K
Market value
$480.0K
8/6/2026
Planned — Approximate Date
NASDAQPlanned
Units to sell
32.28K
Market value
$762.9K
9/8/2026
Total
Units
52.28K
Value
$1.24M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
8/6/2026 | 20K | $480.0K | — | Completed |
| Planned — Approximate Date | ||||
9/8/2026 | 32.28K | $762.9K | NASDAQ | Planned |
| Total | 52.28K | $1.24M | ||