Sec Form 3 Filing - CNH Capital Co Ltd @ PubMatic, Inc. - 2021-03-04

FORM 3 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 CNH Capital Co Ltd 2. Issuer Name and Ticker or Trading Symbol PubMatic, Inc. [ PUBM] 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) 9F GOLDEN TOWER 511, SAMSEONG-RO, GANGNAM-GU 3. Date of Earliest Transaction (MM/DD/YY) 03/04/2021 (Street) SEOUL, M506158 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ 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 Class A Common Stock 630,000 I See Note( 5 ) Class A Common Stock 30,000 I See Note( 2 ) Class A Common Stock 55,050 I See Note( 3 ) Class A Common Stock 25,000 I See Note( 4 )

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 Contract For Difference ( 6 ) ( 6 ) ( 6 ) Class A Common Stock 40,500 I See Note( 5 ) Contract For Difference ( 6 ) ( 6 ) ( 6 ) Class A Common Stock 13,000 I See Note( 1 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other CNH Capital Co Ltd 9F GOLDEN TOWER 511 SAMSEONG-RO, GANGNAM-GU SEOUL, M506158 X Signatures CNH Capital Co., Ltd., By: /s/ Woo Seob Kwak, Chief Executive Officer 03/18/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Directly by Granite Holdings Co, Ltd. ("Granite"). CNH Co., Ltd. ("CNH") is a subsidiary of Granite. Each of CNH Capital Co., Ltd. ("CNH Capital") and CNH Hospitality Co., Ltd. ("CNH Hospitality") is a subsidiary of CNH. Duk Ho Cho is the majority shareholder of Granite and chairperson of CNH. Because of the relationships described herein, Mr. Cho may be deemed to beneficially own the securities beneficially owned by Granite, Granite may be deemed to beneficially own the securities beneficially owned by CNH and CNH may be deemed to beneficially own the securities held by each of CNH Capital and CNH Hospitality. Each Reporting Person disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein, if any. ( 2 )Directly held by CNH. ( 3 )Directly held by CNH Capital. ( 4 )Directly held by CNH Hospitality. ( 5 )Directly held by Duk Ho Cho ( 6 )A Contract For Differences ("CFD") is a financial contract that pays the difference in the settlement price between the open and closing trades.CFDs have no maturity and can be closed at the option of the Reporting Person.

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).

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