| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Van Oene Mark | Chief Operating Officer | PACIFIC BIOSCIENCES OF CALIFORNIA, INC.,, 1305 O'BRIEN DRIVE, MENLO PARK | /s/ Michele Farmer, Attorney-in-fact | 19 Feb 2026 | 0001707477 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PACB | Common Stock | Sale | $204,549 | -129,790 | -6.7% | $1.58 | 1,797,745 | 17 Feb 2026 | Direct | F1, F2, F3 |
| transaction | PACB | Common Stock | Sale | $89,769 | -55,107 | -3.1% | $1.63 | 1,742,638 | 18 Feb 2026 | Direct | F1, F3, F4 |
| Id | Content |
|---|---|
| F1 | Represents the number of shares mandatorily sold to cover tax withholding obligations in connection with the vesting of restricted stock units. |
| F2 | This sale price represents the weighted average sale price of the shares sold ranging from $1.51 to $1.68 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4. |
| F3 | Includes 7,500 shares purchased on September 2, 2025 under the Company's 2010 Employee Stock Purchase Plan. |
| F4 | This sale price represents the weighted average sale price of the shares sold ranging from $1.55 to $1.70 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4. |
Chief Operating Officer