Marc Duey

Sits on 1 board. Last updated September 28, 2026

Time on boards

Boards served
1
Current seats
1
Board service
3 years
Director since
2023

3 years of board service in total across 1 board, counting each seat separately. Longest: Aprea Therapeutics Inc., 3 years.

3 years · Since 2023

Shareholder support

Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

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
Jun 16, 2026 Aprea Therapeutics Inc. Grant or award +3,135 — —
Dec 10, 2025 Aprea Therapeutics Inc. Open-market purchase +21,459 $1.17 $25,107
Jun 5, 2025 Aprea Therapeutics Inc. Grant or award +1,045 — —
Oct 18, 2024 Aprea Therapeutics Inc. Open-market sale −6,462 $4.58 $29,596
Oct 16, 2024 Aprea Therapeutics Inc. Open-market purchase +30,000 $4.39 $131,700
Oct 14, 2024 Aprea Therapeutics Inc. Open-market purchase +190 $2.58 $490
Jun 20, 2024 Aprea Therapeutics Inc. Grant or award +1,045 — —
Aug 23, 2023 Aprea Therapeutics Inc. Grant or award +500 — —
Aug 23, 2022 Aprea Therapeutics Inc. Derivative conversion +4,009,690 — —
Aug 23, 2022 Aprea Therapeutics Inc. Derivative conversion +11,610 — —

Questions about Marc Duey

What boards is Marc Duey on?

Marc Duey sits on the board of Aprea Therapeutics Inc.

How long has Marc Duey served on boards?

Our records show at least 3 years of board service across 1 board, the earliest from 2023.

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