Farmer Michele 4

What Happened
Michele Farmer, Chief Accounting Officer of Pacific Biosciences of California, Inc. (PACB), disposed of a total of 50,167 shares in open‑market transactions related to tax withholding on vested restricted stock units. On 2026-02-17 she sold 35,215 shares at $1.58 each for $55,499; on 2026-02-18 she sold 14,952 shares at $1.63 each for $24,357. Total proceeds were approximately $79,856. These were sales (not purchases), commonly routine for covering tax obligations.

Key Details

• Transaction dates and prices:
  • 2026-02-17: 35,215 shares sold @ $1.58 — $55,499 (F2 notes weighted‑average range $1.51–$1.68)
  • 2026-02-18: 14,952 shares sold @ $1.63 — $24,357 (F3 notes weighted‑average range $1.55–$1.70)
• Total shares sold: 50,167; total proceeds ≈ $79,856.
• Shares owned after the transaction: not disclosed in the provided excerpt of the filing.
• Notable footnotes:
  • F1: Shares were mandatorily sold to cover tax withholding obligations from RSU vesting (tax‑withholding sale).
  • F2/F3: Reported sale prices are weighted averages across price ranges; detailed per‑price breakdowns are available to the SEC on request.
• Filing: Report filed 2026-02-19 for transactions on 2026-02-17–02-18; appears to be timely under Form 4 reporting requirements.

Context
Tax‑withholding sales tied to RSU vesting are routine and do not necessarily indicate the officer’s broader opinion of the company. These were disposals to satisfy withholding obligations rather than discretionary open‑market selling for investment decisions.