MGNIMAGNITE, INC.
Insider trading & SEC Form 4 activity — last 90 days. Latest filing: 2026-09-03.
Insider buys (90d)
$0.00
Insider sells (90d)
$21.05M
Net flow
$-21.05M
Filings
28
Buy transactions
0
Sell transactions
30
Distinct insiders
11
Last close (cached)
$23.58
as of 2026-09-09
1d return
-0.5%
5d return
+3.0%
1m return
-2.6%
Top insiders trading MGNI (90d)
Recent transactions (45)
| Filed | Txn date | Insider | Code | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-03 | 2026-09-02 | Buonasera David Officer | Sale | 1,043 | $25.00 | $26.1K | open → |
| 2026-09-03 | 2026-09-01 | Buonasera David Officer | Sale | 5,371 | $23.42 | $125.8K | open → |
| 2026-08-28 | 2026-08-28 | Harden Sarah Patricia Director | Sale | 18,436 | $24.00 | $442.5K | open → |
| 2026-08-28 | 2026-08-26 | Harden Sarah Patricia Director | Sale | 30,550 | $23.31 | $712.1K | open → |
| 2026-08-18 | 2026-08-15 | Buonasera David Officer | Tax | 8,102 | $24.73 | $200.4K | open → |
| 2026-08-18 | 2026-08-18 | Buckley Sean Patrick Officer | Sale | 2,759 | $25.00 | $69.0K | open → |
| 2026-08-18 | 2026-08-17 | Buckley Sean Patrick Officer | Sale | 8,271 | $24.31 | $201.1K | open → |
| 2026-08-18 | 2026-08-15 | Buckley Sean Patrick Officer | Tax | 11,715 | $24.73 | $289.7K | open → |
| 2026-08-18 | 2026-08-15 | Saltz Aaron Officer | Tax | 5,627 | $24.73 | $139.2K | open → |
| 2026-08-18 | 2026-08-15 | Gephart Brian Officer | Tax | 3,789 | $24.73 | $93.7K | open → |
| 2026-08-18 | 2026-08-15 | Evans Katie Seitz Officer | Tax | 11,204 | $24.73 | $277.1K | open → |
| 2026-08-18 | 2026-08-15 | Day David Officer | Tax | 14,170 | $24.73 | $350.4K | open → |
| 2026-08-18 | 2026-08-14 | Caine Paul Director | Sale | 7,500 | $25.00 | $187.5K | open → |
| 2026-08-18 | 2026-08-15 | BARRETT MICHAEL G. OfficerDirector | Tax | 10,404 | $24.73 | $257.3K | open → |
| 2026-08-14 | 2026-08-13 | Day David Officer | Gift | 26,258 | $0.00 | $0.00 | open → |
| 2026-08-12 | 2026-08-10 | Gephart Brian Officer | Sale | 12,479 | $24.68 | $308.0K | open → |
| 2026-08-12 | 2026-08-10 | Lam Rachel Director | Sale | 10,000 | $24.16 | $241.6K | open → |
| 2026-08-12 | 2026-08-10 | Caine Paul Director | Sale | 5,000 | $24.35 | $121.8K | open → |
| 2026-08-07 | 2026-08-06 | Buckley Sean Patrick Officer | Sale | 19,237 | $23.00 | $442.5K | open → |
| 2026-08-07 | 2026-08-06 | Buckley Sean Patrick Officer | Sale | 47,942 | $25.09 | $1.20M | open → |
| 2026-08-07 | 2026-08-06 | Buckley Sean Patrick Officer | Exer. | 28,703 | $13.90 | $399.0K | open → |
| 2026-08-07 | 2026-08-06 | Buonasera David Officer | Sale | 871 | $25.00 | $21.8K | open → |
| 2026-08-07 | 2026-08-06 | Buonasera David Officer | Sale | 2,602 | $24.00 | $62.4K | open → |
| 2026-08-07 | 2026-08-06 | Buonasera David Officer | Sale | 4,176 | $22.81 | $95.3K | open → |
| 2026-08-07 | 2026-08-06 | Evans Katie Seitz Officer | Sale | 20,000 | $24.00 | $480.0K | open → |
| 2026-08-07 | 2026-08-06 | Evans Katie Seitz Officer | Exer. | 20,000 | $5.16 | $103.2K | open → |
| 2026-08-07 | 2026-08-06 | Knopper Douglas S Director | Sale | 37,337 | $22.72 | $848.3K | open → |
| 2026-08-07 | 2026-08-06 | BARRETT MICHAEL G. OfficerDirector | Sale | 293,968 | $22.72 | $6.68M | open → |
| 2026-08-07 | 2026-08-06 | BARRETT MICHAEL G. OfficerDirector | Exer. | 293,968 | $5.80 | $1.71M | open → |
| 2026-07-17 | 2026-07-15 | BARRETT MICHAEL G. | Sale | 38,596 | $20.35 | $785.4K | open → |
| 2026-07-17 | 2026-07-15 | BARRETT MICHAEL G. | Exer. | 38,596 | $5.80 | $223.9K | open → |
| 2026-07-14 | 2026-07-10 | Caine Paul | Sale | 5,000 | $20.64 | $103.2K | open → |
| 2026-07-09 | 2026-07-07 | Buonasera David | Sale | 1,224 | $21.00 | $25.7K | open → |
| 2026-07-09 | 2026-07-07 | Buckley Sean Patrick | Sale | 19,233 | $21.03 | $404.5K | open → |
| 2026-07-01 | 2026-06-29 | BARRETT MICHAEL G. | Sale | 75,000 | $19.50 | $1.46M | open → |
| 2026-07-01 | 2026-06-29 | BARRETT MICHAEL G. | Exer. | 75,000 | $5.80 | $435.0K | open → |
| 2026-06-18 | 2026-06-17 | Buckley Sean Patrick | Sale | 19,233 | $19.00 | $365.4K | open → |
| 2026-06-17 | 2026-06-16 | Knopper Douglas S | Sale | 37,337 | $18.10 | $675.8K | open → |
| 2026-06-17 | 2026-06-17 | Buonasera David | Sale | 1,409 | $19.00 | $26.8K | open → |
| 2026-06-17 | 2026-06-16 | Buonasera David | Sale | 11,233 | $18.00 | $202.2K | open → |
| 2026-06-17 | 2026-06-15 | Buonasera David | Sale | 1,057 | $17.00 | $18.0K | open → |
| 2026-06-17 | 2026-06-16 | BARRETT MICHAEL G. | Sale | 100,000 | $17.50 | $1.75M | open → |
| 2026-06-17 | 2026-06-16 | BARRETT MICHAEL G. | Exer. | 100,000 | $5.80 | $580.0K | open → |
| 2026-06-17 | 2026-06-15 | BARRETT MICHAEL G. | Sale | 178,596 | $16.59 | $2.96M | open → |
| 2026-06-17 | 2026-06-15 | BARRETT MICHAEL G. | Exer. | 178,596 | $5.80 | $1.04M | open → |
Other tickers these insiders trade
Want an email the moment a new insider transaction is filed on MGNI? Set up an alert → Watch4Insider delivers SEC Form 4 alerts with a sub-60s p95 SLA.
