Ouster CTO Sells $837,600 in Shares

Insider selling represents a 5.91% decrease in executive's position

Mar. 28, 2026 at 8:07am by Ben Kaplan

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Ouster, Inc. (NYSE:OUST) Chief Technology Officer Mark Frichtl sold 40,000 shares of the company's stock on March 25th for a total transaction value of $837,600. Following the sale, Frichtl still directly owns 636,882 shares in the company, valued at $13.3 million.

Why it matters

Insider selling can sometimes signal a lack of confidence in a company's future prospects, though the reasons behind the sale are not always clear. Ouster is a leading provider of digital lidar sensors, software and services for autonomous vehicles, robotics, and other industries.

The details

Frichtl's sale represents a 5.91% decrease in his ownership stake in Ouster. The transaction was disclosed in a filing with the Securities and Exchange Commission. Ouster's stock price has declined 8.5% since the sale, opening at $17.66 on Friday.

  • The shares were sold on Wednesday, March 25th, 2026.
  • Frichtl also sold 15,689 shares on March 12th, 2026 for $367,593.

The players

Mark Frichtl

Chief Technology Officer of Ouster, Inc.

Ouster, Inc.

A leading provider of high-resolution digital lidar sensors, software and services for autonomous vehicles, robotics, and other industries.

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The takeaway

The insider selling by Ouster's CTO raises questions about the company's short-term prospects, though the reasons behind the sale are not entirely clear. Investors will be watching to see if other executives follow suit or if this was an isolated transaction.