LIVINGSTON RANDALL S 4

What happened Randall S. Livingston, a director of Pacific Biosciences of California, Inc. (PACB), was granted a derivative award covering 223,492 shares on 2026-06-03 (transaction code A). The Form 4 reports an acquisition price of $0.00 (no cash paid at grant). The award is derivative (option/option-like award) and will vest over time rather than resulting in an immediate stock purchase.

Key details

• Transaction date: 2026-06-03; Form 4 filed 2026-06-04 (appears to be filed promptly).
• Amount: 223,492 shares (derivative award); price reported $0.00 on the Form 4.
• Shares owned after transaction: Not disclosed in the provided filing.
• Footnote (F1): The shares subject to the option will vest monthly over one year on the same day of the month as the grant or, if earlier, at the next annual meeting, provided he continues to serve as a director.
• Transaction type: Grant/award of a derivative (reported as acquisition, code A).

Context This was a grant of a derivative award (an option-like award or restricted-equity award) that vests monthly over one year—meaning it does not represent an immediate sale or cash purchase of stock. The Form 4 shows no cash paid at grant; the economic value to the insider will depend on future vesting and any exercise terms and the company’s share price at those times. This is typically a form of director compensation to align interests with shareholders rather than an active buy/sell decision.