Nasdaq · CIK 0001299130
PACB PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
Insider trading from SEC Form 4. Last filing 4 d ago. Close $2.33 on Oct 9, 2026, +110% from the 52-week low and -19% from the high.
Last 90 days
Net insider value
-$2.1M
more sold than bought
Buys
0
$0 by 0 insiders
Sells
1
$2.1M by 1 insider
Insiders on file
11
with a Form 4 at this company
Price and insider trades, last year
PACBOct 9, 2026 · close 2.33
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at PACIFIC BIOSCIENCES OF CALIFORNIA, INC., scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 15Weak | James R Gibson II See Remarks sell | $2.1M 661,815 shares | -38% | +143% from low-6% from high | |
| 15Weak | Michele Farmer See Remarks sell | $5,200 5,195 shares | -2% | 0% from low-62% from high | |
| 23Weak | Michele Farmer See Remarks sell | $4,183 2,973 shares | -2% | - | |
| 23Weak | Christian O Henry See Remarks sell | $18k 12,497 shares | -1% | - | |
| 34Weak | Michele Farmer See Remarks sell | $46k 24,349 shares | -11% | - | |
| 46Moderate | Christian O Henry See Remarks sell | $488k 259,909 shares | -10% | - |
Transactions
The last 22 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Oct 6, 2026 | James R Gibson II See Remarks | MOption exercise Common Stock10b5-1 | +500,000 | $1.18 | $590k | 1,745,663 | 4 d ago |
| Oct 6, 2026 | James R Gibson II See Remarks | SOpen-market sale Common Stock10b5-1 | -661,815 | $3.11 | $2.1M | 1,083,848 | 4 d ago |
| Oct 6, 2026 | James R Gibson II See Remarks | MOption exercise Stock Option (right to buy)derivative10b5-1 | -500,000 | $0.00 | $0 | 1,500,000 | 4 d ago |
| Jun 4, 2025 | William W. Ericson director | AGrant or award Stock Option (right to buy)derivative | +65,000 | $0.00 | $0 | 65,000 | Jun 6, 2025 |
| Jun 4, 2025 | Randall S Livingston director | AGrant or award Stock Option (right to buy)derivative | +65,000 | $0.00 | $0 | 65,000 | Jun 6, 2025 |
| Jun 4, 2025 | John F Milligan director | AGrant or award Stock Option (right to buy)derivative | +65,000 | $0.00 | $0 | 65,000 | Jun 6, 2025 |
| Jun 4, 2025 | Marshall Mohr director | AGrant or award Stock Option (right to buy)derivative | +65,000 | $0.00 | $0 | 65,000 | Jun 6, 2025 |
| Jun 4, 2025 | Kathy Ordonez director | AGrant or award Stock Option (right to buy)derivative | +65,000 | $0.00 | $0 | 65,000 | Jun 6, 2025 |
| Jun 4, 2025 | Christopher M Smith director | AGrant or award Stock Option (right to buy)derivative | +32,500 | $0.00 | $0 | 32,500 | Jun 6, 2025 |
| Jun 4, 2025 | Hannah Valantine director | AGrant or award Stock Option (right to buy)derivative | +65,000 | $0.00 | $0 | 65,000 | Jun 6, 2025 |
| Jun 4, 2025 | Lucy Shapiro director | AGrant or award Stock Option (right to buy)derivative | +65,000 | $0.00 | $0 | 65,000 | Jun 6, 2025 |
| May 19, 2025 | Michele Farmer See Remarks | SOpen-market sale Common Stock | -5,195 | $1.00 | $5,200 | 269,259 | May 21, 2025 |
| Mar 31, 2025 | James R Gibson II See Remarks | AGrant or award Common Stock | +1,000,000 | $0.00 | $0 | 1,000,000 | Apr 2, 2025 |
| Mar 31, 2025 | James R Gibson II See Remarks | AGrant or award Stock Option (right to buy)derivative | +2,000,000 | $0.00 | $0 | 2,000,000 | Apr 2, 2025 |
| Mar 19, 2025 | Michele Farmer See Remarks | AGrant or award Common Stock | +89,835 | $0.00 | $0 | 274,454 | Mar 21, 2025 |
| Mar 19, 2025 | Christian O Henry See Remarks | AGrant or award Common Stock | +920,810 | $0.00 | $0 | 3,146,167 | Mar 21, 2025 |
| Mar 19, 2025 | Michele Farmer See Remarks | AGrant or award Stock Option (right to buy)derivative | +179,670 | $0.00 | $0 | 179,670 | Mar 21, 2025 |
| Mar 19, 2025 | Christian O Henry See Remarks | AGrant or award Stock Option (right to buy)derivative | +1,841,621 | $0.00 | $0 | 1,841,621 | Mar 21, 2025 |
| Mar 3, 2025 | Michele Farmer See Remarks | SOpen-market sale Common Stock | -2,973 | $1.41 | $4,183 | 184,619 | Mar 5, 2025 |
| Mar 3, 2025 | Christian O Henry See Remarks | SOpen-market sale Common Stock | -12,497 | $1.41 | $18k | 2,225,357 | Mar 5, 2025 |
| Feb 18, 2025 | Michele Farmer See Remarks | SOpen-market sale Common Stock | -24,349 | $1.88 | $46k | 187,592 | Feb 19, 2025 |
| Feb 18, 2025 | Christian O Henry See Remarks | SOpen-market sale Common Stock | -259,909 | $1.88 | $488k | 2,237,854 | Feb 19, 2025 |
Insiders
Everyone who has filed a Form 4 here.
- William W. Ericsondirector
- Michele FarmerSee Remarks
- James R Gibson IISee Remarks
- Christian O HenrySee Remarks
- Randall S Livingstondirector
- John F Milligandirector
- Marshall Mohrdirector
- Kathy Ordonezdirector
- Lucy Shapirodirector
- Christopher M Smithceo, officer, director
- Hannah Valantinedirector
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.