Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Avantor Inc., 3 years.
Avantor Inc.
Director
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Avantor Inc. May 7, 202695.3%
-
Avantor Inc. May 8, 202588.1%
-
Avantor Inc. May 9, 202499.4%
-
Avantor Inc. May 11, 202399.5%
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 7, 2026 | Avantor Inc. | Grant or award | +25,270 | — | — |
| Apr 22, 2026 | Aptiv PLC | Grant or award | +41,933 | — | — |
| Apr 22, 2026 | Aptiv PLC | Grant or award | +62,898 | — | — |
| Feb 28, 2026 | Aptiv PLC | Grant or award | +13,772 | — | — |
| Feb 28, 2026 | Aptiv PLC | Shares withheld for tax | −31,568 | $73.54 | $2,321,511 |
| Aug 21, 2025 | Aptiv PLC | Open-market sale | −35,000 | $74.36 | $2,602,600 |
| May 8, 2025 | Avantor Inc. | Grant or award | +17,100 | — | — |
| Apr 29, 2025 | Avantor Inc. | Open-market purchase | +8,100 | $12.30 | $99,630 |
| Feb 28, 2025 | Aptiv PLC | Sold back to the company | −8,010 | — | — |
| Feb 28, 2025 | Aptiv PLC | Shares withheld for tax | −16,068 | $65.12 | $1,046,348 |
| Feb 28, 2025 | Aptiv PLC | Grant or award | +37,527 | — | — |
| Feb 28, 2025 | Aptiv PLC | Grant or award | +79,556 | — | — |
| May 9, 2024 | Avantor Inc. | Grant or award | +8,477 | — | — |
| Feb 28, 2024 | Aptiv PLC | Sold back to the company | −2,324 | — | — |
| Feb 28, 2024 | Aptiv PLC | Shares withheld for tax | −12,843 | $78.77 | $1,011,643 |
Questions about Joseph R. Massaro
What boards is Joseph R. Massaro on?
Joseph R. Massaro sits on the board of Avantor Inc.
How long has Joseph R. Massaro served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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