Robert J. Spiegel

Sits on 4 boards. Last updated September 28, 2026

Time on boards

Boards served
4
Current seats
4
Board service
11 years
Director since
2023

11 years of board service in total across 4 boards, counting each seat separately. Longest: Geron Corporation, 3 years.

3 years · Since 2023
RenovoRx Inc. Director
3 years · Since 2023
3 years · Since 2023
1 month · Since 2026

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
Sep 30, 2026 Geron Corporation Grant or award +6,351 $1.23 $7,812
Jun 30, 2026 Geron Corporation Grant or award +6,103 $1.28 $7,812
Mar 31, 2026 Geron Corporation Grant or award +5,243 $1.49 $7,812
Dec 31, 2025 Geron Corporation Grant or award +5,918 $1.32 $7,812
Sep 30, 2025 Geron Corporation Grant or award +5,702 $1.37 $7,812
Jun 30, 2025 Geron Corporation Grant or award +5,540 $1.41 $7,811
Mar 31, 2025 Geron Corporation Grant or award +4,913 $1.59 $7,812
Dec 31, 2024 Geron Corporation Grant or award −2,206 — —
Sep 30, 2024 Geron Corporation Grant or award −1,767 — —
Jun 28, 2024 Geron Corporation Grant or award −1,916 — —
Mar 29, 2024 Geron Corporation Grant or award −2,462 — —
Jan 26, 2024 RenovoRx Inc. Open-market purchase +40,983 — —
Dec 29, 2023 Geron Corporation Grant or award +3,406 — —
Sep 29, 2023 Geron Corporation Grant or award +3,390 — —
Jun 30, 2023 Geron Corporation Grant or award +2,239 — —

Questions about Robert J. Spiegel

What boards is Robert J. Spiegel on?

Robert J. Spiegel sits on the boards of Bio Green Med Solution Inc., Ernexa Therapeutics Inc., Geron Corporation and RenovoRx Inc.

How long has Robert J. Spiegel served on boards?

Our records show at least 11 years of board service across 4 boards, the earliest from 2023.

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