Thomas Chow - Nov 10, 2021 Form 4 Insider Report for PubMatic, Inc. (PUBM)

Role: General Counsel and Secretary
Signature: /s/ Thomas Chow
Stock symbol: PUBM
Transactions as of: Nov 10, 2021
Transactions value $: -$394,431
Form type: 4
Date filed: 11/12/2021, 05:07 PM
Previous filing: Oct 4, 2021
Next filing: Nov 30, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PUBM	Class A Common Stock	Conversion of derivative security	$0	+10K		$0.00	10K	Nov 10, 2021	Direct
transaction	PUBM	Class A Common Stock	Sale	-$50K	-1.3K	-13%	$38.46	8.7K	Nov 10, 2021	Direct	F1, F2
transaction	PUBM	Class A Common Stock	Sale	-$344K	-8.7K	-100%	$39.59	0	Nov 10, 2021	Direct	F1, F3

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	Stock Option (Right to buy Class B Common Stock)	Options Exercise	$0	-10K	-20%	$0.00	40K	Nov 10, 2021	Class B Common Stock	10K	$2.16	Direct	F4
transaction	PUBM	Class B Common Stock	Options Exercise	$0	+10K		$0.00	10K	Nov 10, 2021	Class A Common Stock	10K		Direct	F5
transaction	PUBM	Class B Common Stock	Conversion of derivative security	$0	-10K	-100%	$0.00^*	0	Nov 10, 2021	Class A Common Stock	10K		Direct	F5

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.
F2	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.27 to $38.67, 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 in this footnote 2 to this Form 4.
F3	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $39.51 to $39.61, 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 in this footnote 3 to this Form 4.
F4	The option vests as to 1/48 of the total shares on February 1, 2020, and 1/48 of the total shares will vest monthly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.
F5	Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers.