Insider · CIK 0001515839
David John Mastrocola
Files at CPS (Cooper-Standard Holdings Inc.). First filing Feb 21, 2025, latest Mar 13, 2026.
In brief
David John Mastrocola files SEC Form 4 as director at CPS (Cooper-Standard Holdings Inc.). Since Feb 21, 2025, David John Mastrocola has reported 3 open-market buys worth $385k and 0 open-market sells worth $0, the latest filed on Mar 13, 2026.
A track record needs three past buys with six months of prices behind them; David John Mastrocola has 0, so none is measured yet.
The newest scored trade: bought $208k of CPS on Mar 11, 2026, filed Mar 13, 2026, scored 41 (moderate). In the last 12 months: 2 buys worth $266k and 0 sells worth $0.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
CPS: Cooper-Standard Holdings Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 41Moderate | CPSbuy Cooper-Standard Holdings Inc. | $208k 6,885 shares | +38% | +180% from low-31% from high | |
| 37Weak | Cooper-Standard Holdings Inc. | $58k 2,000 shares | +12% | +159% from low-26% from high | |
| 43Moderate | Cooper-Standard Holdings Inc. | $119k 8,000 shares | +99% | - |
Transactions
Every row this insider has filed, 8 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| May 14, 2026 | CPS Cooper-Standard Holdings Inc. | AGrant or award Restricted Stock Unitsderivative | +3,937 | $0.00 | $0 | 3,937 | May 18, 2026 |
| Mar 11, 2026 | CPS Cooper-Standard Holdings Inc. | POpen-market purchase Common stockindirect: By Trust | +2,000 | $31.00 | $62k | 20,115 | Mar 13, 2026 |
| Mar 12, 2026 | CPS Cooper-Standard Holdings Inc. | POpen-market purchase Common stockindirect: By Trust | +1,494 | $30.25 | $45k | 21,609 | Mar 13, 2026 |
| Mar 13, 2026 | CPS Cooper-Standard Holdings Inc. | POpen-market purchase Common stockindirect: By Trust | +3,391 | $29.77 | $101k | 25,000 | Mar 13, 2026 |
| Nov 10, 2025 | CPS Cooper-Standard Holdings Inc. | POpen-market purchase Common stockindirect: By Trust | +2,000 | $29.05 | $58k | 18,115 | Nov 13, 2025 |
| May 15, 2025 | CPS Cooper-Standard Holdings Inc. | AGrant or award Restricted Stock Unitsderivative | +7,527 | $0.00 | $0 | 7,527 | May 19, 2025 |
| Feb 19, 2025 | CPS Cooper-Standard Holdings Inc. | POpen-market purchase Common stock | +3,000 | $15.27 | $46k | 11,115 | Feb 21, 2025 |
| Feb 20, 2025 | CPS Cooper-Standard Holdings Inc. | POpen-market purchase Common stock | +5,000 | $14.55 | $73k | 16,115 | Feb 21, 2025 |
Questions about David John Mastrocola
Answered from the filings on this page, as of the latest one.
Is David John Mastrocola buying or selling?
In the last 12 months David John Mastrocola reported 2 open-market buys worth $266k and 0 open-market sells worth $0 on SEC Form 4; the latest was bought $208k of CPS on Mar 11, 2026. Grants, option exercises and tax withholding are not counted.
How did David John Mastrocola's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and David John Mastrocola has 0.
Where does David John Mastrocola file Form 4?
David John Mastrocola has filed Form 4 at CPS (Cooper-Standard Holdings Inc.). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.