Pacific Biosciences of California, Inc.
PACB- Exchange
- Nasdaq
- Industry
- Laboratory Analytical Instruments
- SEC CIK
- 0001299130
In the last 90 days, Pacific Biosciences of California, Inc. insiders filed 0 open-market purchases and 1 sale; 223 institutions reported holding it in 13F filings for Q2 2026, worth $320.8M in total; superinvestors ARK Invest and HHLR Advisors (Hillhouse) hold it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Pacific Biosciences of California, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 1 filing
- 1 insider, $30.4K in total
- Insiders trading
- 1
- Net value
- −$30.4K
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Pacific Biosciences of California, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Van Oene Mark | See Remarks | 2,705,853 | Aug 18, 2026 | 5 |
| Milligan John F | Director | 132,821 | Jun 4, 2026 | 1 |
| Ordonez Kathy | Director | 403,037 | Jun 4, 2026 | 1 |
| Livingston Randall S | Director | 22,821 | Jun 4, 2026 | 1 |
| Mohr Marshall | Director | 132,821 | Jun 4, 2026 | 1 |
| Smith Christopher M | Director | 54,099 | Jun 4, 2026 | 1 |
| Ericson William W. | Director | 41,616 | Jun 4, 2026 | 1 |
| Valantine Hannah | Director | 22,821 | Jun 4, 2026 | 1 |
| Gibson Christopher | Director | 111,386 | Jun 4, 2026 | 3 |
| Gibson James R II | See Remarks | 1,245,663 | Apr 3, 2026 | 2 |
| Henry Christian O | See Remarks | 3,581,813 | Mar 4, 2026 | 3 |
| Farmer Michele | See Remarks | 305,948 | Mar 4, 2026 | 3 |
| Shapiro Lucy | Director | 22,821 | Jun 6, 2025 | 0 |
| Kim Susan G. | See Remarks | 695,654 | Oct 2, 2024 | 0 |
| Eidel Jeff | See Remarks | 869,730 | Aug 20, 2024 | 0 |
| Meline David W | Director | 57,116 | Jun 20, 2024 | 0 |
| Botstein David | Director | – | May 26, 2023 | 0 |
| Fromen Peter | See Remarks | 190,280 | Mar 4, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 21, 2025 (view filing) | May 19 | 2 days | Farmer MicheleSee Remarks | SSale | −5.20K | $1.00 | −$5.20K | −1.9%269.3K after | |
| Aug 20, 2025 (view filing) | Aug 18 | 2 days | Van Oene MarkSee Remarks | SSale | −26.8K | $1.31 | −$35.2K | −1.4%1.92M after | |
| Feb 19, 2026 (view filing) | Feb 17-18 | 2 days | Farmer MicheleSee Remarks | SSale | −50.2K | $1.59 | −$80.0K | −18.6%219.1K after | 2 lots |
| Feb 19, 2026 (view filing) | Feb 17-18 | 2 days | Henry Christian OSee Remarks | SSale | −472.7K | $1.59 | −$753.9K | −15.0%2.67M after | 2 lots |
| Feb 19, 2026 (view filing) | Feb 17-18 | 2 days | Van Oene MarkSee Remarks | SSale | −184.9K | $1.59 | −$294.9K | −9.6%1.74M after | 2 lots |
| Mar 4, 2026 (view filing) | Mar 3 | 1 day | Farmer MicheleSee Remarks | SSale | −2.98K | $1.51 | −$4.50K | −1.0%305.9K after | |
| Mar 4, 2026 (view filing) | Mar 3 | 1 day | Van Oene MarkSee Remarks | SSale | −6.50K | $1.51 | −$9.82K | −0.3%2.24M after | |
| Mar 4, 2026 (view filing) | Mar 3 | 1 day | Henry Christian OSee Remarks | SSale | −12.5K | $1.51 | −$18.9K | −0.3%3.58M after | |
| Apr 3, 2026 (view filing) | Apr 1 | 2 days | Gibson James R IISee Remarks | SSale | −88.2K | $1.37 | −$120.8K | −6.6%1.25M after | |
| Aug 18, 2026 (view filing)8:17 PM ET | Aug 17 | 1 day | Van Oene MarkSee Remarks | SSale | −26.9K | $1.13 | −$30.4K | −1.0%2.71M after |