Steven Pantelick - 01 Jul 2025 Form 4 Insider Report for PubMatic, Inc. (PUBM)

Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
03 Jul 2025, 18:35:11 UTC
Prior SEC filing
04 Jun 2025
Next SEC filing
29 Aug 2025
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Andrew Woods, Attorney-in-Fact

Key filing fact

Steven Pantelick filed Form 4 for PubMatic, Inc. (PUBM) on 03 Jul 2025.

Key facts

  • This page summarizes Steven Pantelick's Form 4 filing for PubMatic, Inc. (PUBM).
  • 9 reported transactions and 8 derivative rows are listed below.
  • Accepted by SEC: 03 Jul 2025, 18:35.

Change

  • Previous filing in this sequence was filed on 04 Jun 2025.
  • Current net transaction value: -$396,767.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001833465 Primary reporting owner

Pantelick Steven

Relationship
CHIEF FINANCIAL OFFICER
Address
C/O PUBMATIC, INC., 601 MARSHALL STREET, REDWOOD CITY
Signature
/s/ Andrew Woods, Attorney-in-Fact
Signature date
03 Jul 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

PUBM transaction

Class A Common Stock

Options Exercise

Transaction value
$0
Shares
+30,964
Change %
+115%
Price
$0.000000
Shares after
57,990
Date
01 Jul 2025
Ownership
Direct
PUBM transaction

Class A Common Stock

Sale

Transaction value
$195,546
Shares
-15,598
Change %
-27%
Price
$12.54
Shares after
42,392
Date
02 Jul 2025
Ownership
Direct
Footnotes
F1, F2
PUBM transaction

Class A Common Stock

Conversion of derivative security

Transaction value
$0
Shares
+4,000
Change %
+9.4%
Price
$0.000000
Shares after
46,392
Date
03 Jul 2025
Ownership
Direct
Footnotes
F3
PUBM transaction

Class A Common Stock

Sale

Transaction value
$201,221
Shares
-15,690
Change %
-34%
Price
$12.82
Shares after
30,702
Date
03 Jul 2025
Ownership
Direct
Footnotes
F4, F5

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

PUBM transaction Derivative

Restricted Stock Unit

Options Exercise

Transaction value
$0
Shares
-5,056
Change %
-33%
Price
$0.000000
Shares after
10,113
Date
01 Jul 2025
Ownership
Direct
Underlying class
Class A Common Stock
Underlying amount
5,056
Exercise price
$0.000000
Footnotes
F6, F7, F8
PUBM transaction Derivative

Restricted Stock Unit

Options Exercise

Transaction value
$0
Shares
-9,546
Change %
-14%
Price
$0.000000
Shares after
57,277
Date
01 Jul 2025
Ownership
Direct
Underlying class
Class A Common Stock
Underlying amount
9,546
Exercise price
$0.000000
Footnotes
F6, F8, F9
PUBM transaction Derivative

Restricted Stock Unit

Options Exercise

Transaction value
$0
Shares
-8,955
Change %
-9.1%
Price
$0.000000
Shares after
89,551
Date
01 Jul 2025
Ownership
Direct
Underlying class
Class A Common Stock
Underlying amount
8,955
Exercise price
$0.000000
Footnotes
F6, F8, F10
PUBM transaction Derivative

Restricted Stock Unit

Options Exercise

Transaction value
$0
Shares
-7,407
Change %
-6.7%
Price
$0.000000
Shares after
103,696
Date
01 Jul 2025
Ownership
Direct
Underlying class
Class A Common Stock
Underlying amount
7,407
Exercise price
$0.000000
Footnotes
F6, F8, F11
PUBM transaction Derivative

Class B Common Stock

Conversion of derivative security

Transaction value
$0
Shares
-4,000
Change %
-1.3%
Price
$0.000000
Shares after
297,488
Date
03 Jul 2025
Ownership
Direct
Underlying class
Class A Common Stock
Underlying amount
4,000
Exercise price
Footnotes
F3
PUBM holding Derivative

Class B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
73,464
Date
01 Jul 2025
Ownership
By spouse
Underlying class
Class A Common Stock
Underlying amount
73,464
Exercise price
Footnotes
F3
PUBM holding Derivative

Class B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
41,536
Date
01 Jul 2025
Ownership
By PSLT DE LLC
Underlying class
Class A Common Stock
Underlying amount
41,536
Exercise price
Footnotes
F3, F12
PUBM holding Derivative

Class B Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
115,000
Date
01 Jul 2025
Ownership
By SMP DE LLC
Underlying class
Class A Common Stock
Underlying amount
115,000
Exercise price
Footnotes
F3, F13
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 13 footnotes

Footnote F1

The sales reported in this line item 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.

Footnote F2

The price reported in this line item is a weighted average price. These shares were sold as part of block trades for multiple security holders of the Issuer at prices ranging from $12.23 to $12.71, 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 trades.

Footnote F3

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.

Footnote F4

The sales reported in this line item were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 9, 2024.

Footnote F5

The price reported in this line item is a weighted average price. These shares were sold at prices ranging from $12.57 to $12.97, 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.

Footnote F6

Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration.

Footnote F7

The RSUs vested as to 1/16th of the total shares on April 1, 2022, and 1/16th of the total shares vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

Footnote F8

RSUs do not expire; they either vest or are canceled prior to the vesting date.

Footnote F9

The RSUs vested as to 1/16th of the total award on April 1, 2023, 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.

Footnote F10

The RSUs vest as to 1/16th of the total shares on April 1, 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.

Footnote F11

The RSUs vest as to 1/16th of the total shares on April 1, 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.

Footnote F12

The Reporting Person and his children are beneficiaries of PSLT DE LLC.

Footnote F13

The Reporting Person's spouse and his children are beneficiaries of SMP DE LLC.

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