Marvin L. White
President and CEO at Aptevo Therapeutics Inc.
Sits on 2 boards. Last updated September 27, 2026
Time on boards
- Boards served
- 2
- Current seats
- 2
- Board service
- 7 years
- Director since
- 2023
7 years of board service in total across 2 boards, counting each seat separately. Longest: Aptevo Therapeutics Inc., 3 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Aptevo Therapeutics Inc. July 24, 202593.1%
-
Emergent BioSolutions Inc. May 23, 202462.7%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 6, 2026 | Aptevo Therapeutics Inc. | Option exercise | +1,666 | — | — |
| Aug 6, 2026 | Aptevo Therapeutics Inc. | Shares withheld for tax | −406 | $4.07 | $1,652 |
| Jul 17, 2026 | Aptevo Therapeutics Inc. | Option exercise | +1 | — | — |
| Apr 30, 2026 | Emergent BioSolutions Inc. | Grant or award | +25,344 | — | — |
| Jul 17, 2025 | Aptevo Therapeutics Inc. | Option exercise | +10 | — | — |
| Apr 30, 2025 | Emergent BioSolutions Inc. | Grant or award | +34,403 | — | — |
| Mar 3, 2025 | Aptevo Therapeutics Inc. | Option exercise | +6 | — | — |
| Mar 2, 2025 | Aptevo Therapeutics Inc. | Option exercise | +8 | — | — |
| Nov 11, 2024 | Emergent BioSolutions Inc. | Open-market sale | −14,287 | $11.97 | $171,015 |
| May 23, 2024 | Emergent BioSolutions Inc. | Grant or award | +17,430 | — | — |
| Mar 3, 2024 | Aptevo Therapeutics Inc. | Option exercise | +9,584 | — | — |
| Mar 2, 2024 | Aptevo Therapeutics Inc. | Option exercise | +12,917 | — | — |
| Jan 28, 2024 | Aptevo Therapeutics Inc. | Option exercise | +4,792 | — | — |
| May 25, 2023 | Emergent BioSolutions Inc. | Grant or award | +33,847 | — | — |
| Mar 3, 2023 | Aptevo Therapeutics Inc. | Option exercise | +9,582 | — | — |
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