Caine Paul
Director
Sale
Calculated transaction value
$103.2K
5,000 shares @ $20.64
Traded
Jul 10, 2026
Filed
Jul 14, 2026
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Magnite
MGNI
ServicesBusiness Services
Transactions reported in official disclosures
Price with disclosed trades
Daily closes, past year · marks sit on transaction dates, sized by value
89 trades
| Reporting person | Filed | Transaction | Transaction value | Source | Actions |
|---|---|---|---|---|---|
| Caine Paul Director | Jul 14, 2026 4-day lag | Sale Jul 10, 2026 | $103.2K Filed shares x price | SEC Form 4 View filing | |
| Buonasera David Chief Technology Officer | Jul 9, 2026 2-day lag | Sale Jul 7, 2026 | $25.7K Filed shares x price | SEC Form 4 View filing | |
| Buckley Sean Patrick See Remarks | Jul 9, 2026 2-day lag | Sale Jul 7, 2026 | $404.47K Filed shares x price | SEC Form 4 View filing | |
| Buonasera David Chief Technology Officer | Jul 2, 2026 1-day lag | Sale Jul 1, 2026 | $187.52K Filed shares x price | SEC Form 4 View filing | |
| Barrett Michael G. CEO | Jul 1, 2026 2-day lag | Exercise Jun 29, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Barrett Michael G. CEO | Jul 1, 2026 2-day lag | Sale Jun 29, 2026 | $1.46M Filed shares x price | SEC Form 4 View filing | |
| Barrett Michael G. CEO | Jul 1, 2026 2-day lag | Exercise Jun 29, 2026 | $435K Filed shares x price | SEC Form 4 View filing | |
| Buckley Sean Patrick See Remarks | Jun 18, 2026 1-day lag | Sale Jun 17, 2026 | $365.43K Filed shares x price | SEC Form 4 View filing | |
| Buonasera David Chief Technology Officer | Jun 17, 2026 Same-day filing | Sale Jun 17, 2026 | $26.77K Filed shares x price | SEC Form 4 View filing | |
| Barrett Michael G. CEO | Jun 17, 2026 1-day lag | Exercise Jun 16, 2026 | $580K Filed shares x price | SEC Form 4 View filing | |
| Barrett Michael G. CEO | Jun 17, 2026 1-day lag | Sale Jun 16, 2026 | $1.75M Filed shares x price | SEC Form 4 View filing | |
| Knopper Douglas S Director | Jun 17, 2026 1-day lag | Sale Jun 16, 2026 | $675.8K Filed shares x price | SEC Form 4 View filing | |
| Barrett Michael G. CEO | Jun 17, 2026 1-day lag | Exercise Jun 16, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Buonasera David Chief Technology Officer | Jun 17, 2026 1-day lag | Sale Jun 16, 2026 | $202.19K Filed shares x price | SEC Form 4 View filing | |
| Barrett Michael G. CEO | Jun 17, 2026 2-day lag | Sale Jun 15, 2026 | $2.96M Filed shares x price | SEC Form 4 View filing | |
| Barrett Michael G. CEO | Jun 17, 2026 2-day lag | Exercise Jun 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Buonasera David Chief Technology Officer | Jun 17, 2026 2-day lag | Sale Jun 15, 2026 | $17.97K Filed shares x price | SEC Form 4 View filing | |
| Barrett Michael G. CEO | Jun 17, 2026 2-day lag | Exercise Jun 15, 2026 | $1.04M Filed shares x price | SEC Form 4 View filing | |
| Pearson David T. Director | Jun 10, 2026 Same-day filing | Sale Jun 10, 2026 | $168.49K Filed shares x price | SEC Form 4 View filing | |
| Knopper Douglas S Director | Jun 10, 2026 Same-day filing | Sale Jun 10, 2026 | $169.35K Filed shares x price | SEC Form 4 View filing | |
| Lam Rachel Director | Jun 10, 2026 2-day lag | Award Jun 8, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Rossman James Director | Jun 10, 2026 2-day lag | Award Jun 8, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Spillane Robert F Director | Jun 10, 2026 2-day lag | Award Jun 8, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Knopper Douglas S Director | Jun 10, 2026 2-day lag | Award Jun 8, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Yu Diane Director | Jun 10, 2026 2-day lag | Award Jun 8, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Pearson David T. Director | Jun 10, 2026 2-day lag | Award Jun 8, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Caine Paul Director | Jun 10, 2026 2-day lag | Award Jun 8, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Harden Sarah Patricia Director | Jun 10, 2026 2-day lag | Award Jun 8, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Buonasera David Chief Technology Officer | Jun 3, 2026 2-day lag | Sale Jun 1, 2026 | $21.14K Filed shares x price | SEC Form 4 View filing |
Buonasera David
Chief Technology Officer
Sale
Calculated transaction value
$25.7K
1,224 shares @ $21
Traded
Jul 7, 2026
Filed
Jul 9, 2026
Buckley Sean Patrick
See Remarks
Sale
Calculated transaction value
$404.47K
19,233 shares @ $21.03
Traded
Jul 7, 2026
Filed
Jul 9, 2026
Buonasera David
Chief Technology Officer
Sale
Calculated transaction value
$187.52K
9,376 shares @ $20
Traded
Jul 1, 2026
Filed
Jul 2, 2026
Barrett Michael G.
CEO
Exercise
Calculated transaction value
$0
75,000 shares @ $0
Traded
Jun 29, 2026
Filed
Jul 1, 2026
Barrett Michael G.
CEO
Sale
Calculated transaction value
$1.46M
75,000 shares @ $19.5
Traded
Jun 29, 2026
Filed
Jul 1, 2026
Barrett Michael G.
CEO
Exercise
Calculated transaction value
$435K
75,000 shares @ $5.8
Traded
Jun 29, 2026
Filed
Jul 1, 2026
Buckley Sean Patrick
See Remarks
Sale
Calculated transaction value
$365.43K
19,233 shares @ $19
Traded
Jun 17, 2026
Filed
Jun 18, 2026
Buonasera David
Chief Technology Officer
Sale
Calculated transaction value
$26.77K
1,409 shares @ $19
Traded
Jun 17, 2026
Filed
Jun 17, 2026
Barrett Michael G.
CEO
Exercise
Calculated transaction value
$580K
100,000 shares @ $5.8
Traded
Jun 16, 2026
Filed
Jun 17, 2026
Barrett Michael G.
CEO
Sale
Calculated transaction value
$1.75M
100,000 shares @ $17.5
Traded
Jun 16, 2026
Filed
Jun 17, 2026
Knopper Douglas S
Director
Sale
Calculated transaction value
$675.8K
37,337 shares @ $18.1
Traded
Jun 16, 2026
Filed
Jun 17, 2026
Barrett Michael G.
CEO
Exercise
Calculated transaction value
$0
100,000 shares @ $0
Traded
Jun 16, 2026
Filed
Jun 17, 2026
Buonasera David
Chief Technology Officer
Sale
Calculated transaction value
$202.19K
11,233 shares @ $18
Traded
Jun 16, 2026
Filed
Jun 17, 2026
Barrett Michael G.
CEO
Sale
Calculated transaction value
$2.96M
178,596 shares @ $16.59
Traded
Jun 15, 2026
Filed
Jun 17, 2026
Barrett Michael G.
CEO
Exercise
Calculated transaction value
$0
178,596 shares @ $0
Traded
Jun 15, 2026
Filed
Jun 17, 2026
Buonasera David
Chief Technology Officer
Sale
Calculated transaction value
$17.97K
1,057 shares @ $17
Traded
Jun 15, 2026
Filed
Jun 17, 2026
Barrett Michael G.
CEO
Exercise
Calculated transaction value
$1.04M
178,596 shares @ $5.8
Traded
Jun 15, 2026
Filed
Jun 17, 2026
Pearson David T.
Director
Sale
Calculated transaction value
$168.49K
10,766 shares @ $15.65
Traded
Jun 10, 2026
Filed
Jun 10, 2026
Knopper Douglas S
Director
Sale
Calculated transaction value
$169.35K
10,766 shares @ $15.73
Traded
Jun 10, 2026
Filed
Jun 10, 2026
Lam Rachel
Director
Award
Calculated transaction value
$0
13,798 shares @ $0
Traded
Jun 8, 2026
Filed
Jun 10, 2026
Rossman James
Director
Award
Calculated transaction value
$0
13,798 shares @ $0
Traded
Jun 8, 2026
Filed
Jun 10, 2026
Spillane Robert F
Director
Award
Calculated transaction value
$0
13,798 shares @ $0
Traded
Jun 8, 2026
Filed
Jun 10, 2026
Knopper Douglas S
Director
Award
Calculated transaction value
$0
13,798 shares @ $0
Traded
Jun 8, 2026
Filed
Jun 10, 2026
Yu Diane
Director
Award
Calculated transaction value
$0
13,798 shares @ $0
Traded
Jun 8, 2026
Filed
Jun 10, 2026
Pearson David T.
Director
Award
Calculated transaction value
$0
13,798 shares @ $0
Traded
Jun 8, 2026
Filed
Jun 10, 2026
Caine Paul
Director
Award
Calculated transaction value
$0
13,798 shares @ $0
Traded
Jun 8, 2026
Filed
Jun 10, 2026
Harden Sarah Patricia
Director
Award
Calculated transaction value
$0
13,798 shares @ $0
Traded
Jun 8, 2026
Filed
Jun 10, 2026
Buonasera David
Chief Technology Officer
Sale
Calculated transaction value
$21.14K
1,409 shares @ $15
Traded
Jun 1, 2026
Filed
Jun 3, 2026