SERA Sera Prognostics

• None no insider bought on the open market
• $95K sold by 1 insider outside a trading plan
• $47K sold by 3 insiders under 10b5-1 plans

1. Insider
   Trade
   Value
   Traded, filed
2. Sandra Aj Lawrence Director
   Planned sale
   $3,354 1,560 shares at $2.15 8.7% of stake
   Traded Jun 8 Filed Jun 9
   ↗
3. Sandra Aj Lawrence Director
   Planned sale
   $3,042 1,560 shares at $1.95 8% of stake
   Traded Mar 6 Filed Mar 6
   ↗
4. Robert Gardner Harrison Chief Information Officer
   Planned sale
   $4,680 2,000 shares at $2.34 2.4% of stake
   Traded Feb 24 Filed Feb 24
   ↗
5. Robert Gardner Harrison Chief Information Officer
   Planned sale
   $5,940 2,000 shares at $2.97 2.4% of stake
   Traded Jan 27 Filed Jan 27
   ↗
6. Robert Gardner Harrison Chief Information Officer
   Planned sale
   $6,000 2,000 shares at $3.00 2.3% of stake
   Traded Dec 30, 2025 Filed Dec 30, 2025
   ↗
7. Sandra Aj Lawrence Director
   Planned sale
   $4,758 1,560 shares at $3.05 7.4% of stake
   Traded Dec 8, 2025 Filed Dec 8, 2025
   ↗
8. Robert Gardner Harrison Chief Information Officer
   Planned sale
   $5,860 2,000 shares at $2.93 2.2% of stake
   Traded Dec 2, 2025 Filed Dec 3, 2025
   ↗
9. Paul Kearney Chief Data Officer
   Sale
   $95K 32,203 shares at $2.94 16% of stake
   Traded Dec 2, 2025 Filed Dec 3, 2025
   ↗
10. Paul Kearney Chief Data Officer
    Planned sale
    $6,971 1,986 shares at $3.51 1.2% of stake
    Traded Nov 26, 2025 Filed Nov 26, 2025
    ↗
11. Robert Gardner Harrison Chief Information Officer
    Planned sale
    $6,140 2,000 shares at $3.07 2% of stake
    Traded Nov 4, 2025 Filed Nov 4, 2025
    ↗

Also filed in the last 12 months, not counted as buying or selling: 42 sales to cover taxes, 22 stock grants, 2 other transactions, and 2 option exercises.