STOCK TITAN

PubMatic (NASDAQ: PUBM) exec sells shares after RSU vesting

Filing Impact
(Neutral)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

PubMatic, Inc. chief growth officer Paulina Klimenko reported a combination of RSU vesting and related share sales. On April 1, 2026, several restricted stock unit awards vested and were settled, converting into a total of 33,531 Class A Common shares at no cash cost.

On April 2, 2026, she sold 12,091 Class A shares at a weighted average price of about $8.17 per share. Footnotes state these sales were executed under a “sell to cover” arrangement solely to satisfy tax withholding obligations tied to the RSU vesting. After these transactions, Klimenko directly owned 73,220 Class A shares.

Positive

  • None.

Negative

  • None.
Insider Klimenko Paulina
Role CHIEF GROWTH OFFICER
Sold 12,091 shs ($99K)
Type Security Shares Price Value
Sale Class A Common Stock 12,091 $8.1733 $99K
Exercise Restricted Stock Unit 6,583 $0.00 --
Exercise Restricted Stock Unit 6,484 $0.00 --
Exercise Restricted Stock Unit 5,364 $0.00 --
Exercise Restricted Stock Unit 15,100 $0.00 --
Exercise Class A Common Stock 33,531 $0.00 --
Holdings After Transaction: Class A Common Stock — 73,220 shares (Direct); Restricted Stock Unit — 19,751 shares (Direct)
Footnotes (1)
  1. The sales reported on this Form 4 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. 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 $7.98 to $8.27, 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. 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. The RSUs vested as to 1/16th of the total award on April 1, 2023, and 1/16th of the total award will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date. RSUs do not expire; they either vest or are canceled prior to the vesting date. The RSUs vested as to 1/16th of the total award on April 1, 2024, and 1/16th of the total award will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date. The RSUs vested as to 1/16th of the total award on April 1, 2025, and 1/16th of the total award will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date. The RSUs vested as to 1/16th of the total award on April 1, 2026, and 1/16th of the total award will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.
Shares sold 12,091 shares Class A Common Stock sold on April 2, 2026
Sale price $8.1733 per share Weighted average sale price for 12,091 shares
Post-transaction holdings 73,220 shares Class A Common Stock held directly after transactions
RSU settlement into shares 33,531 shares Class A Common Stock from RSU vesting on April 1, 2026
Sale price range $7.98–$8.27 per share Price range for block trades noted in footnote
Restricted Stock Unit financial
"The RSUs vested as to 1/16th of the total award on April 1, 2023"
A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.
sell to cover financial
"sales were to satisfy tax withholding obligations to be funded by a "sell to cover" transaction"
Sell to cover is when a person who receives company stock through options or awards sells just enough shares immediately to pay required taxes, exercise costs, or fees, keeping the rest. Think of it like cashing part of a bonus to cover the tax bill so you can keep the remainder. For investors, it can create predictable small selling pressure and slightly change the number of shares actually held by insiders without increasing long‑term dilution.
weighted average price financial
"The price reported in this line item is a weighted average price"
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
Class A Common Stock financial
"Each RSU represents a right to receive one share of the Issuer's Class A Common Stock"
Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.
tax withholding obligations financial
"shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting"
SEC Form 4
FORM 4UNITED 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
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Klimenko Paulina

(Last)(First)(Middle)
C/O PUBMATIC, INC.
601 MARSHALL STREET

(Street)
REDWOOD CITY CALIFORNIA 94063

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
PubMatic, Inc. [ PUBM ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
CHIEF GROWTH OFFICER
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
04/01/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)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)
CodeVAmount(A) or (D)Price
Class A Common Stock04/01/2026M33,531A$085,311D
Class A Common Stock04/02/2026S(1)12,091D$8.1733(2)73,220D
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 (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)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 (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (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: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Stock Unit$0(3)04/01/2026M6,583 (4) (5)Class A Common Stock6,583$019,751D
Restricted Stock Unit$0(3)04/01/2026M6,484 (6) (5)Class A Common Stock6,484$045,393D
Restricted Stock Unit$0(3)04/01/2026M5,364 (7) (5)Class A Common Stock5,364$058,999D
Restricted Stock Unit$0(3)04/01/2026M15,100 (8) (5)Class A Common Stock15,100$0226,495D
Explanation of Responses:
1. The sales reported on this Form 4 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.
2. 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 $7.98 to $8.27, 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.
3. 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.
4. The RSUs vested as to 1/16th of the total award on April 1, 2023, and 1/16th of the total award will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.
5. RSUs do not expire; they either vest or are canceled prior to the vesting date.
6. The RSUs vested as to 1/16th of the total award on April 1, 2024, and 1/16th of the total award will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.
7. The RSUs vested as to 1/16th of the total award on April 1, 2025, and 1/16th of the total award will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.
8. The RSUs vested as to 1/16th of the total award on April 1, 2026, and 1/16th of the total award will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date.
/s/ Andrew Woods, Attorney-in-Fact04/03/2026
** Signature of Reporting PersonDate
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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transactions did PubMatic (PUBM) report for Paulina Klimenko?

PubMatic reported that chief growth officer Paulina Klimenko had multiple RSU awards vest into 33,531 Class A shares on April 1, 2026. She then sold 12,091 shares on April 2, 2026 in a transaction structured to cover tax withholding obligations from that vesting.

How many PubMatic (PUBM) shares did Paulina Klimenko sell and at what price?

Paulina Klimenko sold 12,091 shares of PubMatic Class A Common Stock at a weighted average price of about $8.1733. Footnotes note the sales occurred in block trades within a $7.98 to $8.27 range, executed to fund tax withholding obligations tied to RSU settlement.

How many PubMatic (PUBM) shares does Paulina Klimenko hold after these transactions?

After the reported transactions, Klimenko directly owned 73,220 shares of PubMatic Class A Common Stock. This total reflects both the newly settled shares from restricted stock units and the 12,091 shares sold to cover tax withholding obligations associated with the April 1, 2026 RSU vesting.

How do Paulina Klimenko’s PubMatic (PUBM) RSUs vest over time?

The filing explains that each RSU award vests in 16 equal quarterly installments. For the reported grants, one‑sixteenth vested on April 1 of 2023, 2024, 2025, or 2026, respectively, with additional one‑sixteenth portions vesting quarterly thereafter, subject to her continued service with PubMatic.