Pacific Biosciences officer plans $1.9M share sale

The notice gives October 6, 2026, as the approximate sale date and names NASDAQ as the exchange.

Rhea-AI Filing Summary

Pacific Biosciences of California, Inc. officer Jim Gibson reported an intended sale of 661,815 common shares, with an aggregate market value of $1,899,409.05. The notice lists 500,000 shares associated with stock-option exercise and 161,815 shares associated with restricted stock units. Morgan Stanley Smith Barney LLC is identified as the broker.

Key Figures

Shares reported for sale: 661,815 common shares Aggregate market value: $1,899,409.05 Option-exercise shares: 500,000 common shares +1 more

4 metrics

Shares reported for sale 661,815 common shares Intended sale by Jim Gibson

Aggregate market value $1,899,409.05 For the shares listed for sale

Option-exercise shares 500,000 common shares Listed as associated with stock-option exercise

Restricted-stock-unit shares 161,815 common shares Listed as associated with restricted stock units

Key Terms

Rule 144, Exercise of Stock Options, Restricted Stock Units

3 terms

Rule 144 regulatory

"paragraph (a) of Rule 144"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Exercise of Stock Options financial

"Exercise of Stock Options"

Restricted Stock Units financial

"Restricted Stock Units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many PACB shares does Jim Gibson plan to sell?

Jim Gibson, listed as an officer of Pacific Biosciences of California, Inc., reported 661,815 common shares for sale. The notice identifies an aggregate market value of $1,899,409.05 for those shares.

What is the reported value of Jim Gibson's PACB share sale?

The notice reports an aggregate market value of $1,899,409.05 for the 661,815 common shares listed for sale. It identifies Morgan Stanley Smith Barney LLC as the broker.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/06/2026 - 04:24 PM Accepted by SEC EDGAR 10/06/2026 - 04:23 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001384133
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Pacific Biosciences of California, Inc.
SEC File Number	001-34899
Address of Issuer	1305 O'Brien Drive Menlo Park CALIFORNIA 94025
Phone	6505218000
Name of Person for Whose Account the Securities are To Be Sold	Jim Gibson
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	661815	1899409.05	310830759	10/06/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	10/06/2026	Exercise of Stock Options	Issuer			500000	10/06/2026	Cash
Common	03/31/2026	Restricted Stock Units	Issuer			161815	03/31/2026	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	10/06/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	05/22/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Jim Gibson
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)