Lisa Gimbel - 15 Aug 2025 Form 4 Insider Report for PubMatic, Inc. (PUBM)

Signature
/s/ Andrew Woods, Attorney-in-Fact
Issuer symbol
PUBM
Transactions as of
15 Aug 2025
Net transactions value
-$8,929
Form type
4
Filing time
19 Aug 2025, 17:19:28 UTC
Previous filing
04 Jun 2025
Next filing
19 Nov 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Gimbel Lisa CHIEF ACCOUNTING OFFICER C/O PUBMATIC, INC., 601 MARSHALL STREET, REDWOOD CITY /s/ Andrew Woods, Attorney-in-Fact 19 Aug 2025 0001980851

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction PUBM Class A Common Stock Options Exercise $0 +1,395 +25% $0.000000 7,016 15 Aug 2025 Direct
transaction PUBM Class A Common Stock Options Exercise $0 +773 +11% $0.000000 7,789 15 Aug 2025 Direct
transaction PUBM Class A Common Stock Options Exercise $0 +802 +10% $0.000000 8,591 15 Aug 2025 Direct
transaction PUBM Class A Common Stock Sale $8,929 -1,062 -12% $8.41 7,529 18 Aug 2025 Direct F1, F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction PUBM Restricted Stock Units Options Exercise $0 -1,395 -11% $0.000000 11,160 15 Aug 2025 Class A Common Stock 1,395 Direct F3, F4, F5
transaction PUBM Restricted Stock Units Options Exercise $0 -773 -9.1% $0.000000 7,726 15 Aug 2025 Class A Common Stock 773 Direct F3, F5, F6
transaction PUBM Restricted Stock Units Options Exercise $0 -802 -6.7% $0.000000 11,218 15 Aug 2025 Class A Common Stock 802 Direct F3, F5, F7
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The sales reported on this line represent shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units ("RSUs"). The sales were to satisfy tax withholding obligations to be funded by a "sell to cover" transaction.
F2 The price reported in Column 4 is a weighted average price. These shares were sold as part of a block trade for multiple security holders of the Issuer at prices ranging from $8.30 to $8.515, inclusive. The Reporting Person undertakes to provide to the Issuer, any securityholder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth herein with regard to the block trade.
F3 Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of vesting for no consideration.
F4 The RSUs vest as to 1/4 of the total shares on August 15, 2024, and 1/16th of the total shares will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.
F5 RSUs do not expire; they either vest or are canceled prior to the vesting date.
F6 The RSUs vest as to 1/16 of the total shares quarterly beginning on May 15, 2024, subject to the Reporting Person's provision of service to the Issuer on each vesting date.
F7 The RSUs vest as to 1/16th of the total shares on May 15, 2025, and 1/16th of the total shares will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.