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: Avery Dennison Corporation, 3 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Avery Dennison Corporation April 25, 202497.2%
-
Avery Dennison Corporation April 27, 202398.1%
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 9, 2026 | Sensata Technologies Holding plc | Grant or award | +3,827 | — | — |
| Jun 9, 2026 | Sensata Technologies Holding plc | Shares withheld for tax | −508 | $49.65 | $25,222 |
| Jun 10, 2025 | Sensata Technologies Holding plc | Grant or award | +6,178 | — | — |
| Dec 31, 2024 | Sensata Technologies Holding plc | Shares withheld for tax | −5,688 | $27.40 | $155,851 |
| Dec 31, 2024 | Sensata Technologies Holding plc | Sold back to the company | −51,294 | — | — |
| Nov 30, 2024 | Sensata Technologies Holding plc | Shares withheld for tax | −5,688 | $32.14 | $182,812 |
| Oct 31, 2024 | Sensata Technologies Holding plc | Shares withheld for tax | −5,688 | $34.34 | $195,326 |
| Sep 30, 2024 | Sensata Technologies Holding plc | Shares withheld for tax | −5,688 | $38.86 | $221,036 |
| Aug 31, 2024 | Sensata Technologies Holding plc | Shares withheld for tax | −5,688 | $38.55 | $219,272 |
| Jul 31, 2024 | Sensata Technologies Holding plc | Shares withheld for tax | −5,688 | $38.99 | $221,775 |
| Jun 30, 2024 | Sensata Technologies Holding plc | Shares withheld for tax | −5,688 | $37.39 | $212,674 |
| Jun 11, 2024 | Sensata Technologies Holding plc | Shares withheld for tax | −74 | $39.22 | $2,902 |
| May 31, 2024 | Sensata Technologies Holding plc | Shares withheld for tax | −3,764 | $41.32 | $155,528 |
| May 8, 2024 | Sensata Technologies Holding plc | Option exercise | +109,022 | $38.96 | $4,247,497 |
| May 8, 2024 | Sensata Technologies Holding plc | Open-market sale | −109,022 | $42.52 | $4,635,615 |
Questions about Martha N. Sullivan
What boards is Martha N. Sullivan on?
Martha N. Sullivan sits on the boards of Avery Dennison Corporation and Sensata Technologies Holding plc.
Has Martha N. Sullivan been a CEO?
Yes — Martha N. Sullivan was CEO of Sensata Technologies Holding plc (Until January 2025).
How long has Martha N. Sullivan served on boards?
Our records show at least 7 years of board service across 2 boards, the earliest from 2023.
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