Michelle Kumbier

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: Teledyne Technologies Incorporated, 3 years.

3 years ยท Since 2023
3 years ยท Since 2023
2 years ยท Since 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
Jul 23, 2026 Ryerson Holding Corporation Grant or award +97 โ€” โ€”
Apr 24, 2026 Abbott Laboratories Grant or award +2,286 โ€” โ€”
Apr 22, 2026 Teledyne Technologies Incorporated Grant or award +319 โ€” โ€”
Apr 10, 2026 Ryerson Holding Corporation Grant or award +389 โ€” โ€”
Jan 1, 2026 Ryerson Holding Corporation Grant or award +347 โ€” โ€”
Sep 30, 2025 Ryerson Holding Corporation Grant or award +382 โ€” โ€”
Jun 30, 2025 Ryerson Holding Corporation Grant or award +405 โ€” โ€”
Apr 25, 2025 Abbott Laboratories Grant or award +1,635 โ€” โ€”
Apr 23, 2025 Teledyne Technologies Incorporated Grant or award +468 โ€” โ€”
Apr 1, 2025 Ryerson Holding Corporation Grant or award +381 โ€” โ€”
Dec 31, 2024 Ryerson Holding Corporation Grant or award +472 โ€” โ€”
Oct 1, 2024 Ryerson Holding Corporation Grant or award +439 โ€” โ€”
Jul 1, 2024 Ryerson Holding Corporation Grant or award +330 โ€” โ€”
Apr 26, 2024 Abbott Laboratories Grant or award +1,866 โ€” โ€”
Apr 24, 2024 Teledyne Technologies Incorporated Grant or award +468 โ€” โ€”

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