Timothy P. Walbert

Sits on 7 boards. Overboarded · 7 public boards Last updated September 27, 2026

Time on boards

Boards served
7
Current seats
7
Board service
12 years
Director since
2023

12 years of board service in total across 7 boards, counting each seat separately. Longest: Mirum Pharmaceuticals Inc., 3 years.

3 years · Since 2023
3 years · Since 2023
2 years · Since 2024
1 year · Since 2025
4 months · Since 2026
Kardigan Inc. Director
3 months · Since 2026
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
Jun 17, 2026 Kardigan Inc. Grant or award +20,706 — —
Jun 2, 2026 BioMarin Pharmaceutical Inc. Grant or award +7,490 — —
May 29, 2026 Mirum Pharmaceuticals Inc. Option exercise +3,977 — —
May 29, 2025 Mirum Pharmaceuticals Inc. Option exercise +5,703 — —
May 20, 2025 BioMarin Pharmaceutical Inc. Grant or award +6,650 — —
Feb 24, 2025 BioMarin Pharmaceutical Inc. Grant or award +3,130 — —

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