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: Cooper-Standard Holdings Inc., 3 years.
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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Cooper-Standard Holdings Inc. May 14, 202695.6%
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Cooper-Standard Holdings Inc. May 15, 202594.0%
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Cooper-Standard Holdings Inc. May 16, 202498.5%
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Cooper-Standard Holdings Inc. May 18, 202398.9%
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 |
|---|---|---|---|---|---|
| Mar 13, 2026 | Cooper-Standard Holdings Inc. | Open-market purchase | +3,391 | $29.77 | $100,950 |
| Mar 12, 2026 | Cooper-Standard Holdings Inc. | Open-market purchase | +1,494 | $30.25 | $45,194 |
| Mar 11, 2026 | Cooper-Standard Holdings Inc. | Open-market purchase | +2,000 | $31.00 | $62,000 |
| Nov 10, 2025 | Cooper-Standard Holdings Inc. | Open-market purchase | +2,000 | $29.05 | $58,100 |
| Feb 20, 2025 | Cooper-Standard Holdings Inc. | Open-market purchase | +5,000 | $14.55 | $72,750 |
| Feb 19, 2025 | Cooper-Standard Holdings Inc. | Open-market purchase | +3,000 | $15.27 | $45,810 |
Questions about David John Mastrocola
What boards is David John Mastrocola on?
David John Mastrocola sits on the board of Cooper-Standard Holdings Inc.
How long has David John Mastrocola served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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