Horn David R. 4

What Happened

• David R. Horn, President and Chief Financial Officer of Seer, sold 7,303 shares of SEER on 2026-05-20 at $1.69 per share, generating proceeds of approximately $12,352. This was a sale (not a purchase) and appears to be a routine disposition rather than a new investment.

Key Details

• Transaction date and price: 2026-05-20, 7,303 shares at $1.69 each.
• Total proceeds: about $12,352.
• Shares owned after transaction: Not reported in the provided filing excerpt.
• Sale type: Reported as an open market or private sale (code S).
• Footnote: The shares were sold to satisfy the reporting person's tax obligations related to the vesting of restricted stock units (RSUs) (F1).
• Filing timeliness: Report filed 2026-05-21 (next day), so not indicated as late.

Context

• This sale was to cover tax withholding tied to RSU vesting, a common and routine reason executives sell shares; such transactions do not necessarily signal a change in sentiment about the company. No options were exercised and no 10% owner implications apply based on the provided details.