Sec Form 4 Filing - WIIG Communications Management LLC @ Berkeley Lights, Inc. - 2020-11-23

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 Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person WIIG Communications Management LLC 2. Issuer Name and Ticker or Trading Symbol Berkeley Lights, Inc. [ BLI] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) ONE CALIFORNIA STREET, SUITE 1750, 3. Date of Earliest Transaction (MM/DD/YY) 11/23/2020 (Street) SAN FRANCISCO, CA94111 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 11/23/2020 S 1,203,029 D $ 82.56 12,459,328 I See footnotes ( 1 ) ( 2 )

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other WIIG Communications Management LLC ONE CALIFORNIA STREET, SUITE 1750 SAN FRANCISCO, CA94111 X TAN LIP BU C/O WIIG COMMUNICATIONS MANAGEMENT ONE CALIFORNIA STREET, SUITE 1750 SAN FRANCISCO, CA94111 X WRV-BLI LLC ONE CALIFORNIA STREET, SUITE 1750 SAN FRANCISCO, CA94111 X WRV-BLI II LLC ONE CALIFORNIA STREET, SUITE 1750 SAN FRANCISCO, CA94111 X WRV-BLI III LLC ONE CALIFORNIA STREET, SUITE 1750 SAN FRANCISCO, CA94111 X WRV-BLI IV LLC ONE CALIFORNIA STREET, SUITE 1750 SAN FRANCISCO, CA94111 X Walden Riverwood GP, LLC ONE CALIFORNIA STREET, SUITE 1750 SAN FRANCISCO, CA94111 X Walden Riverwood Ventures, L.P. ONE CALIFORNIA STREET, SUITE 1750 SAN FRANCISCO, CA94111 X WRV GP II, LLC ONE CALIFORNIA STREET, SUITE 1750 SAN FRANCISCO, CA94111 X WRV II, L.P. ONE CALIFORNIA STREET, SUITE 1750 SAN FRANCISCO, CA94111 X Signatures /s/ Lip-Bu Tan 11/25/2020 Signature of Reporting Person Date WIIG Communications Management LLC, By: /s/ Lip-Bu Tan, Director 11/25/2020 Signature of Reporting Person Date WRV-BLI LLC, By: WIIG Communications Management LLC, its manager, By: /s/ Lip-Bu Tan, Director 11/25/2020 Signature of Reporting Person Date WRV-BLI II LLC, By: WIIG Communications Management LLC, its manager, By: /s/ Lip-Bu Tan, Director 11/25/2020 Signature of Reporting Person Date WRV-BLI III LLC, By: WIIG Communications Management LLC, its manager, By: /s/ Lip-Bu Tan, Director 11/25/2020 Signature of Reporting Person Date WRV-BLI IV LLC, By: WIIG Communications Management LLC, its manager, By: /s/ Lip-Bu Tan, Director 11/25/2020 Signature of Reporting Person Date Walden Riverwood GP, LLC, By: /s/ Stuart Merkadeau, by Power of Attorney for Michael Marks, Director 11/25/2020 Signature of Reporting Person Date Walden Riverwood Ventures, L.P., By: Walden Riverwood GP, LLC, By: /s/ Stuart Merkadeau, by Power of Attorney for Michael Marks, Director 11/25/2020 Signature of Reporting Person Date WRV GP II, LLC, By: /s/ Stuart Merkadeau, by Power of Attorney for Michael Marks, Managing Director 11/25/2020 Signature of Reporting Person Date WRV II, L.P., By: WRV GP II, LLC, its general partner, By: /s/ Stuart Merkadeau, by Power of Attorney for Michael Marks, Managing Director 11/25/2020 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Following the transactions reported herein, consist of 852,302 shares held by WRV II, L.P. ("WRV II"), 2,902,867 shares held by Walden Riverwood Ventures, L.P. ("Walden"), 5,541,366 shares held by WRV-BLI LLC ("BLI"), 1,786,307 shares held by WRV-BLI II LLC ("BLI II"), 880,405 shares held by WRV-BLI III LLC ("BLI III"), and 496,081 shares held by WRV-BLI IV LLC ("BLI IV"). ( 2 )Mr. Lip-Bu Tan is the sole director of WIIG Communications Management LLC ("WIIG") which is the manager of BLI, BLI II, BLI III, and BLI IV. Michael Marks and Mr. Tan are members of the investment committee of Walden Riverwood GP, LLC ("Walden GP"), which is the general partner of Walden. Michael Marks, Nicholas Brathwaite, and Lip-Bu Tan are members of the investment committee of WRV GP II, LLC ("WRV GP") which is the general partner of WRV II. Messers. Tan, Brathwaite, and Marks, WRV GP, Walden GP, and WIIG disclaim beneficial ownership of the shares except to the extent of their pecuniary interest therein.

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).

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