Standard BioTools (LAB) CFO Kim Hanjoon Alex Withholds 28,195 Shares

What Happened

• Kim Hanjoon Alex, Chief Financial Officer of Standard BioTools, had 28,195 shares withheld on Aug 20, 2026 to satisfy tax withholding obligations tied to the vesting of restricted stock units (RSUs). The withholding was recorded at $0.67 per share, totaling approximately $18,947. This was an administrative disposition (tax withholding), not an open-market sale.

Key Details

• Transaction date: 2026-08-20; Form 4 filed: 2026-08-24.
• Transaction type/code: F — shares withheld to satisfy tax withholding upon RSU vesting.
• Shares withheld/disposed: 28,195 at $0.67 per share; total value ≈ $18,947.
• Shares owned after transaction: not disclosed in the provided filing summary.
• Footnote: Shares were withheld to cover taxes on RSUs granted May 20, 2024; March 21, 2025; and March 20, 2026 (original grants reported on Form 4s filed May 21, 2024; March 24, 2025; and April 8, 2026).
• Filing timing: the Form 4 was filed four days after the transaction; Form 4s are generally required within two business days of a reportable transaction.

Context

• This was a tax-withholding/administrative event (cashless retention of vested RSUs), not a discretionary sale in the open market. Such withholding is routine when RSUs vest and does not, by itself, indicate the insider’s view of the company’s prospects.