Ouster, Inc.·4

Mar 27, 5:34 PM ET

Frichtl Mark 4

4 · Ouster, Inc. · Filed Mar 27, 2026

Research Summary

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Ouster (OUST) CTO Mark Frichtl Exercises Options, Sells 40,000 Shares

What Happened

  • Mark Frichtl, Chief Technology Officer of Ouster, exercised options and sold the resulting shares on March 25, 2026. He exercised 40,000 option shares at $2.13 per share (cost $85,200) and sold 40,000 shares in the open market at a weighted average price of $20.94 per share (gross proceeds $837,576). The exercised shares were sold the same day (effectively a cashless exercise/sale). The filing also lists a 40,000-share disposition at $0 in connection with the exercise/conversion of a derivative; the filing does not detail the nature of that $0 transaction.
  • Simple math: gross sale proceeds ~$837,576 minus exercise cost $85,200 = ~$752,376 before taxes and fees.

Key Details

  • Transaction date: 2026-03-25.
  • Exercise: 40,000 shares @ $2.13 (total $85,200).
  • Sale: 40,000 shares @ weighted avg $20.94 (total $837,576); sale prices ranged from $20.53 to $21.30 per share (per footnote).
  • Additional line: 40,000-share disposition @ $0 reported in connection with exercise/conversion of a derivative (filing does not specify details).
  • Footnotes: Sales were made pursuant to a Rule 10b5-1 plan dated Dec 15, 2025 and include sales for tax planning purposes (F1); options are fully vested and exercisable (F3); weighted-average sale price disclosure and price range provided (F2).
  • Shares owned after the transactions: not specified in the filing.
  • Filing timeliness: Report filed on 2026-03-27 for a 2026-03-25 transaction — appears to be timely (Form 4 is generally due within two business days).

Context

  • This is an exercised-option sale executed under a 10b5-1 plan; such sales are often pre-planned and can be for diversification or tax purposes rather than a direct market sentiment signal.
  • Because the options were exercised and the shares sold the same day, this functions like a cashless exercise: the insider realized the net difference between the sale proceeds and exercise cost.

Insider Transaction Report

Form 4
Period: 2026-03-25
Frichtl Mark
Chief Technology Officer
Transactions
  • Exercise/Conversion

    Common Stock

    2026-03-25$2.13/sh+40,000$85,200676,882 total
  • Sale

    Common Stock

    [F1][F2]
    2026-03-25$20.94/sh40,000$837,576636,882 total
  • Exercise/Conversion

    Non-Qualified Stock Option

    [F3]
    2026-03-2540,000276,434 total
    Exercise: $2.13Exp: 2030-10-01Common Stock (40,000 underlying)
Footnotes (3)
  • [F1]Reflects shares sold pursuant to a Rule 10b5-1 plan dated December 15, 2025. Includes sales made for tax planning purposes.
  • [F2]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.53 to $21.30. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
  • [F3]The options are fully vested and exercisable.
Signature
/s/ Megan Chung, as Attorney-in-Fact for Mark Frichtl|2026-03-27

Documents

1 file
  • 4
    ownership.xmlPrimary

    4