FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

BARNES SUSAN K
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)
EVP, CFO and PAO
(Last)          (First)          (Middle)

PACIFIC BIOSCIENCES OF CALIFORNIA, INC., 1305 O'BRIEN DRIVE
3. Date of Earliest Transaction (MM/DD/YYYY)

2/18/2020
(Street)

MENLO PARK, CA 94025
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
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. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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 2/18/2020  A  100000 (1)A$0.00 837370 D  
Common Stock 2/18/2020  A  50000 (2)A$0.00 887370 D  

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security3. Trans. Date3A. Deemed Execution Date, if any4. Trans. Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
6. Date Exercisable and Expiration Date7. 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 of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares

Explanation of Responses:
(1) Each share is represented by a Restricted Stock Unit ("RSU"). The RSUs will vest in four (4) equal annual installments on February 18 of each of 2021, 2022, 2023, and 2024, provided that the Reporting Person continues to serve through each vesting date.
(2) Each share is represented by a Restricted Stock Unit ("RSU"). The RSUs will vest in two (2) equal annual installments on February 18 of each of 2021 and 2022, provided that the Reporting Person continues to serve through each vesting date.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
BARNES SUSAN K
PACIFIC BIOSCIENCES OF CALIFORNIA, INC.
1305 O'BRIEN DRIVE
MENLO PARK, CA 94025


EVP, CFO and PAO

Signatures
/s/ Susan K. Barnes2/20/2020
**Signature of Reporting PersonDate

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