Cooper-Standard Shares Rise After Insider Buying

Insider purchases signal confidence in the auto parts company's future

Mar. 16, 2026 at 2:38pm

Got story updates? Submit your updates here. ›

Shares of Cooper-Standard Holdings Inc. (NYSE:CPS) rose after an insider at the company purchased additional shares. Director David John Mastrocola acquired 3,391 shares at an average price of $29.77, representing a 15.69% increase in his ownership stake. The insider buying activity suggests confidence in the auto parts manufacturer's outlook.

Why it matters

Insider buying is often seen as a positive signal, as it indicates that company insiders believe the stock is undervalued and have faith in the company's future performance. This news could boost investor sentiment around Cooper-Standard and potentially drive further share price appreciation.

The details

The insider purchases occurred over several days in mid-March, with Mastrocola acquiring a total of 6,885 shares at an average price of around $30 per share. Following the transactions, Mastrocola now owns 25,000 shares in the company, valued at approximately $744,250. The insider buying represented a 7.43% to 15.69% increase in Mastrocola's ownership stake.

  • On March 11, 2026, Director David John Mastrocola purchased 2,000 shares at $31.00 per share.
  • On March 12, 2026, Director David John Mastrocola purchased 1,494 shares at $30.25 per share.
  • On March 13, 2026, Director David John Mastrocola purchased 3,391 shares at $29.77 per share.

The players

Cooper-Standard Holdings Inc.

A global supplier of sealing, fuel and brake delivery, and fluid transfer systems for the automotive industry.

David John Mastrocola

A director at Cooper-Standard Holdings Inc. who has been increasing his ownership stake in the company.

Got photos? Submit your photos here. ›

What they’re saying

“Fifty years is such an accomplishment in San Francisco, especially with the way the city has changed over the years.”

— Gordon Edgar, grocery employee

The takeaway

The insider buying activity at Cooper-Standard suggests that the company's management team believes the stock is undervalued and has confidence in the company's future prospects. This could be a positive sign for investors considering an investment in the auto parts manufacturer.