Lochner Daniel 4

What Happened
Daniel Lochner, Chief Financial Officer of Tectonic Therapeutic (TECX), had 2,077 shares withheld by the company to satisfy tax withholding obligations tied to the vesting and settlement of restricted stock units. The shares were valued at $23.22 each, for a total of about $48,228. The Form 4 reports this as a disposition via tax withholding (transaction code F).

Key Details

• Transaction date: 2026-02-04
• Price per share: $23.22; Shares withheld: 2,077; Total value: ~$48,228
• Footnote: Withholding was to satisfy the Reporting Person’s tax obligations in connection with RSUs granted on February 4, 2025.
• Shares owned after transaction: Not specified in the information provided in this summary.
• Filing date: 2026-02-10 (filed six days after the transaction), which may be later than the two-business-day target for Form 4 filings.

Context
This was a routine tax-withholding (cashless) disposition tied to RSU vesting, not an open-market sale or an outright purchase. Such withholdings are common and generally reflect payroll tax obligations rather than a signal of insider sentiment. Transaction code F denotes share withholding to cover tax liabilities.