5 insiders reported 27 Form 4 transactions for PACIFIC BIOSCIENCES OF CALIFORNIA, INC. (PACB) over the past 18 months (most recent 2026-08-18). Recent activity: Van Oene Mark (See Remarks) Sell 26,911 shares, Van Oene Mark (See Remarks) Buy 489,130 shares, Gibson Christopher (Director) Buy 57,473 shares, Gibson James R II (See Remarks) Sell 88,185 shares, Gibson Christopher (Director) Buy 53,913 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-18 | Van Oene Mark | See Remarks | Sell | 26,911 | $30,409 |
| 2026-08-11 | Van Oene Mark | See Remarks | Buy | 489,130 | $0 |
| 2026-04-10 | Gibson Christopher | Director | Buy | 57,473 | $0 |
| 2026-04-03 | Gibson James R II | See Remarks | Sell | 88,185 | $120,813 |
| 2026-03-05 | Gibson Christopher | Director | Buy | 53,913 | $0 |
| 2026-03-04 | Van Oene Mark | See Remarks | Sell | 6,504 | $9,821 |
| 2026-03-04 | HENRY CHRISTIAN O | See Remarks | Sell | 12,497 | $18,870 |
| 2026-03-04 | Farmer Michele | See Remarks | Sell | 2,979 | $4,498 |
| 2026-03-03 | Farmer Michele | See Remarks | Buy | 89,835 | $0 |
| 2026-03-03 | HENRY CHRISTIAN O | See Remarks | Buy | 920,810 | $0 |
| 2026-03-03 | Gibson James R II | See Remarks | Buy | 333,848 | $0 |
| 2026-03-03 | Van Oene Mark | See Remarks | Buy | 500,000 | $0 |
| 2026-02-19 | HENRY CHRISTIAN O | See Remarks | Sell | 331,793 | $524,233 |
| 2026-02-19 | HENRY CHRISTIAN O | See Remarks | Sell | 140,874 | $229,625 |
| 2026-02-19 | Farmer Michele | See Remarks | Sell | 35,215 | $55,640 |
| 2026-02-19 | Farmer Michele | See Remarks | Sell | 14,952 | $24,372 |
| 2026-02-19 | Van Oene Mark | See Remarks | Sell | 129,790 | $205,068 |
| 2026-02-19 | Van Oene Mark | See Remarks | Sell | 55,107 | $89,824 |
| 2025-08-20 | Van Oene Mark | See Remarks | Sell | 26,836 | $35,155 |
| 2025-05-21 | Farmer Michele | See Remarks | Sell | 5,195 | $5,195 |
| 2025-04-02 | Gibson James R II | See Remarks | Buy | 1.0M | $0 |
| 2025-03-21 | HENRY CHRISTIAN O | See Remarks | Buy | 920,810 | $0 |
| 2025-03-21 | Farmer Michele | See Remarks | Buy | 89,835 | $0 |
| 2025-03-21 | Van Oene Mark | See Remarks | Buy | 449,176 | $0 |
| 2025-03-05 | Van Oene Mark | See Remarks | Sell | 6,486 | $9,145 |
Source: SEC Form 4 filings · as of 2026-08-18