Pacific Biosciences of California, Inc (PACB) insider trading
Every open-market stock purchase and sale by Pacific Biosciences of California, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- James R Gibson II (Officer) and 1 other sold $2.1M in the last 90 days.
- Last insider buy: David W Meline (Director), $176K, 2 years ago.
Last 12 months: insiders bought $0 (0 buys) and sold $3.4M (9 sales). Last close $2.14 on Oct 21, 2026.
Recent PACB insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Oct 6, 2026 | James R Gibson II (Officer) | Sold | $2.1M |
| Oct 6, 2026 | James R Gibson II (Officer) | Bought (not open market) | — |
| Aug 17, 2026 | Mark Van Oene (Officer) | Sold | $30.4K |
| Aug 10, 2026 | Mark Van Oene (Officer) | Bought (not open market) | — |
| Aug 10, 2026 | Mark Van Oene (Officer) | Bought (not open market) | — |
| Jun 3, 2026 | William W. Ericson (Director) | Bought (not open market) | — |
| Jun 3, 2026 | Christopher Gibson (Director) | Bought (not open market) | — |
| Jun 3, 2026 | Randall S Livingston (Director) | Bought (not open market) | — |
| Jun 3, 2026 | John F Milligan (Director) | Bought (not open market) | — |
| Jun 3, 2026 | Marshall Mohr (Director) | Bought (not open market) | — |
| Jun 3, 2026 | Kathy Ordonez (Director) | Bought (not open market) | — |
| Jun 3, 2026 | Hannah Valantine (Director) | Bought (not open market) | — |
| Jun 3, 2026 | Christopher M Smith (Director) | Bought (not open market) | — |
| Apr 8, 2026 | Christopher Gibson (Director) | Bought (not open market) | — |
| Apr 8, 2026 | Christopher Gibson (Director) | Bought (not open market) | — |
| Apr 1, 2026 | James R Gibson II (Officer) | Sold | $121K |
| Mar 3, 2026 | Christian O Henry (Officer) | Sold | $18.9K |
| Mar 3, 2026 | Mark Van Oene (Officer) | Sold | $9.8K |
| Mar 3, 2026 | Michele Farmer (Officer) | Sold | $4.5K |
| Mar 3, 2026 | Christopher Gibson (Director) | Bought (not open market) | — |
| Mar 3, 2026 | Christopher Gibson (Director) | Bought (not open market) | — |
| Feb 27, 2026 | Michele Farmer (Officer) | Bought (not open market) | — |
| Feb 27, 2026 | James R Gibson II (Officer) | Bought (not open market) | — |
| Feb 27, 2026 | James R Gibson II (Officer) | Bought (not open market) | — |
| Feb 27, 2026 | Mark Van Oene (Officer) | Bought (not open market) | — |
Who's trading PACB
- James R Gibson II, Officer: sold $2.2M (2 sales), last Oct 6, 2026
- Mark Van Oene, Officer: sold $335K (4 sales), last Aug 17, 2026
- Christopher Gibson, Director: other filings, last Jun 3, 2026
- John F Milligan, Director: other filings, last Jun 3, 2026
- William W. Ericson, Director: other filings, last Jun 3, 2026
- Randall S Livingston, Director: other filings, last Jun 3, 2026
- Marshall Mohr, Director: other filings, last Jun 3, 2026
- Kathy Ordonez, Director: other filings, last Jun 3, 2026
- Christopher M Smith, Director: other filings, last Jun 3, 2026
- Hannah Valantine, Director: other filings, last Jun 3, 2026
- Christian O Henry, Officer: sold $771K (3 sales), last Mar 3, 2026
- Michele Farmer, Officer: sold $84.4K (3 sales), last Mar 3, 2026
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