Diem Nguyen

Sits on 3 boards. Last updated September 28, 2026

Time on boards

Boards served
3
Current seats
3
Board service
9 years
Director since
2023

9 years of board service in total across 3 boards, counting each seat separately. Longest: Verrica Pharmaceuticals Inc., 3 years.

3 years · Since 2023
3 years · Since 2023
SIGA Technologies Inc. Director · Chief Executive Officer
2 years · Since 2024

Chief executive roles

SIGA Technologies Inc. · Chief Executive Officer
Since January 2024

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
Jan 27, 2025 SIGA Technologies Inc. Option exercise +55,902 — —
Jan 27, 2025 SIGA Technologies Inc. Shares withheld for tax −23,644 $6.34 $149,903
Oct 25, 2024 SIGA Technologies Inc. Option exercise +59,288 — —
Oct 25, 2024 SIGA Technologies Inc. Shares withheld for tax −23,893 $6.77 $161,756

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