MGNI Magnite

• None no insider bought on the open market
• $1.1M sold by 3 insiders outside a trading plan
• $25.9M sold by 10 insiders under 10b5-1 plans

1. Insider
   Trade
   Value
   Traded, filed
2. Paul Caine Director
   Planned sale
   $316K 12,500 shares at $25.29 9.1% of stake
   Traded Oct 12 Filed Oct 14
   ↗
3. Paul Caine Director
   Planned sale
   $199K 7,500 shares at $26.50 5.2% of stake
   Traded Sep 17 Filed Sep 18
   ↗
4. Douglas S Knopper Director
   Planned sale
   $981K 37,337 shares at $26.28 42% of stake
   Traded Sep 17 Filed Sep 18
   ↗
5. David Buonasera Chief Technology Officer
   Planned sale
   $28K 1,165 shares at $24.00 0.5% of stake
   Traded Sep 14 Filed Sep 16
   ↗
6. Robert F Spillane Director
   Sale
   $246K 10,363 shares at $23.76 15% of stake
   Traded Sep 14 Filed Sep 16
   ↗
7. Aaron Saltz Chief Legal Officer
   Planned sale
   $936K 40,000 shares at $23.41 15% of stake
   Traded Sep 10 Filed Sep 11
   ↗
8. Katie Seitz Evans See Remarks
   Planned sale
   $336K 13,997 shares at $24.00 3.1% of stake
   Traded Sep 11 Filed Sep 11
   ↗
9. Paul Caine Director
   Planned sale
   $118K 5,000 shares at $23.53 3.3% of stake
   Traded Sep 10 Filed Sep 11
   ↗
10. Katie Seitz Evans See Remarks
    Planned sale
    $1M 43,385 shares at $23.59 8.7% of stake
    Traded Sep 8–9 Filed Sep 10
    ↗
11. David Buonasera Chief Technology Officer
    Planned sale
    $152K 6,414 shares at $23.68 2.5% of stake
    Traded Sep 1–2 Filed Sep 3
    ↗
12. Sarah Patricia Harden Director
    Planned sale
    $1.2M 48,986 shares at $23.57 30% of stake
    Traded Aug 26–28 Filed Aug 28
    ↗
13. Sean Patrick Buckley See Remarks
    Planned sale
    $270K 11,030 shares at $24.48 3.6% of stake
    Traded Aug 17–18 Filed Aug 18
    ↗
14. Paul Caine Director
    Planned sale
    $188K 7,500 shares at $25.00 4.8% of stake
    Traded Aug 14 Filed Aug 18
    ↗
15. Brian Gephart Chief Accounting Officer
    Sale
    $308K 12,479 shares at $24.68 11% of stake
    Traded Aug 10 Filed Aug 12
    ↗
16. Rachel Lam Director
    Sale
    $242K 10,000 shares at $24.16 4.2% of stake
    Traded Aug 10 Filed Aug 12
    ↗

Also filed in the last 12 months, not counted as buying or selling: 37 share withholdings for taxes, 18 stock grants, 17 option exercises, and 1 gift.