David B. Dillon

b. 1951

Sits on 2 boards. Last updated September 28, 2026

Time on boards

Boards served
2
Current seats
2
Board service
7 years
Director since
2023

7 years of board service in total across 2 boards, counting each seat separately. Longest: Union Pacific Corporation, 3 years.

3 years · Since 2023
3M Company Director
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
May 13, 2025 3M Company Grant or award +1,297 $150.33 $195,001
Oct 3, 2024 Union Pacific Corporation Inheritance +50 — —
May 14, 2024 3M Company Grant or award +1,957 $99.63 $195,000
May 9, 2023 3M Company Grant or award +1,808 $102.34 $185,000

Questions about David B. Dillon

What boards is David B. Dillon on?

David B. Dillon sits on the boards of 3M Company and Union Pacific Corporation.

How long has David B. Dillon served on boards?

Our records show at least 7 years of board service across 2 boards, the earliest from 2023.

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