David John Mastrocola bought $208k of CPS
director at Cooper-Standard Holdings Inc.. 6,885 shares at an average of $30.23, traded Mar 11, 2026, filed Mar 13, 2026.
Score components
- +15RoleDirector
- +12Trade size$208k at market
- +6Relative to holdingsHoldings up 38%
- +8Price context31% below the 52-week high
- 0ClusterNo other insider buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001515839-26-000002, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Mar 11, 2026 | POpen-market purchase Common stockindirect: By Trust | +2,000 | $31.00 | $62k | 20,115 | Mar 13, 2026 |
| Mar 12, 2026 | POpen-market purchase Common stockindirect: By Trust | +1,494 | $30.25 | $45k | 21,609 | Mar 13, 2026 |
| Mar 13, 2026 | POpen-market purchase Common stockindirect: By Trust | +3,391 | $29.77 | $101k | 25,000 | Mar 13, 2026 |
Related signals
Other insiders at Cooper-Standard Holdings Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 37Weak | Cooper-Standard Holdings Inc. | David John Mastrocola director | $58k 2,000 shares | +12% | |
| 39Weak | Cooper-Standard Holdings Inc. | Jonathan P Banas EVP and CFO | $29k 1,000 shares | +2% | |
| 39Weak | Cooper-Standard Holdings Inc. | Jonathan P Banas EVP and CFO | $45k 3,000 shares | +8% | |
| 43Moderate | Cooper-Standard Holdings Inc. | David John Mastrocola director | $119k 8,000 shares | +99% |
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.