PACIFIC BIOSCIENCES (NASDAQ: PACB) officer sells 472,667 shares for tax withholding

Rhea-AI Filing Summary

PACIFIC BIOSCIENCES OF CALIFORNIA, INC. officer Christian O. Henry reported open-market sales of company common stock. On February 17, he sold 331,793 shares at a weighted average price of $1.576 per share. On February 18, he sold an additional 140,874 shares at a weighted average price of $1.629 per share.

After these transactions, Henry directly held 2,814,374 shares following the February 17 sale and 2,673,500 shares following the February 18 sale, all as common stock. A footnote explains that the reported shares represent stock mandatorily sold to cover tax withholding obligations related to vesting restricted stock units, and that each sale price shown is a weighted average over a disclosed price range.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

HENRY CHRISTIAN O

(Last) (First) (Middle)

PACIFIC BIOSCIENCES OF CALIFORNIA, INC.

1305 O'BRIEN DRIVE

(Street)

MENLO PARK CA 94025

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
PACIFIC BIOSCIENCES OF CALIFORNIA, INC. [ PACB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	See Remarks

3. Date of Earliest Transaction (Month/Day/Year)
02/17/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/17/2026		S		331,793(1)	D	$1.576(2)	2,814,374	D
Common Stock	02/18/2026		S		140,874(1)	D	$1.629(3)	2,673,500	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents the number of shares mandatorily sold to cover tax withholding obligations in connection with the vesting of restricted stock units.

2. 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.

3. 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.

Remarks:

President & CEO

	/s/ Michele Farmer, Attorney-in-fact	02/19/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did PACB insider Christian O. Henry report in this Form 4 filing?

Christian O. Henry reported selling PACB common stock in two open-market transactions. The filing shows mandatory sales tied to tax withholding on vested restricted stock units, rather than discretionary portfolio trades, with detailed share counts and weighted average prices for each sale date.

How many PACB shares did Christian O. Henry sell in this Form 4?

The Form 4 shows Henry sold a total of 472,667 PACB shares. This includes 331,793 shares on February 17 and 140,874 shares on February 18, in open-market transactions reported as covering tax withholding obligations for vested restricted stock units.

What prices did PACB insider Christian O. Henry receive for the reported share sales?

Henry’s reported sales used weighted average prices of $1.576 per share on February 17 and $1.629 per share on February 18. Footnotes explain these averages cover price ranges between $1.51–$1.68 and $1.55–$1.70 per share, respectively.

How many PACB shares does Christian O. Henry hold after these transactions?

After the reported sales, Henry directly holds 2,673,500 shares of PACB common stock. The Form 4 shows 2,814,374 shares following the February 17 sale and 2,673,500 shares following the additional February 18 sale, indicating continued substantial ownership.

Were Christian O. Henry’s PACB stock sales related to taxes or discretionary selling?

A footnote states the reported shares were mandatorily sold to cover tax withholding obligations arising from the vesting of restricted stock units. This indicates the sales were driven by tax requirements associated with equity compensation, not purely discretionary trading decisions.

What does the weighted average price disclosure mean in this PACB Form 4?

The Form 4 reports a single weighted average sale price for each trading day, rather than listing every individual trade. Footnotes note price ranges for each day and state that full details by price level are available upon request from regulators, the issuer, or security holders.