X0609 4 2026-09-03 0001422930 PubMatic, Inc. PUBM 0001833508 Goel Amar K. false C/O PUBMATIC, INC. 601 MARSHALL STREET REDWOOD CITY CA 94063 true true true false CHAIRMAN, CHIEF INNOVATION OFF 1 Class A Common Stock 2026-09-03 4 C 0 6250 A 41830 D Class A Common Stock 2026-09-03 4 S 0 6250 17.0443 D 35580 D Stock Option (Right to buy Class B Common Stock) 2.15 2026-09-03 4 M 0 6250 0 D 2027-05-21 Class A Common Stock 6250 0 D Class B Common Stock 2026-09-03 4 M 0 6250 2.15 A Class A Common Stock 6250 6250 D Class B Common Stock 2026-09-03 4 C 0 6250 0 D Class A Common Stock 6250 0 D Class B Common Stock Class A Common Stock 755314 755314 I By Marais Irrevocable Trust Class B Common Stock Class A Common Stock 755584 755584 I By Tuscan Irrevocable Trust Class B Common Stock Class A Common Stock 524162 524162 I By RAJN Trust-A Class B Common Stock Class A Common Stock 524247 524247 I By RAJN Trust-N Class B Common Stock Class A Common Stock 443414 443414 I See footnote Class B Common Stock Class A Common Stock 1231585 1231585 I By Birchwood Trust 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. The sales reported in this line item were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 4, 2026. Represents the weighted average sale price. The lowest price at which shares were sold was $16.795 and the highest price at which shares were sold was $17.73. The Reporting Person undertakes to provide upon request to the staff of the Securities and Exchange Commission, the Issuer or its stockholders, full information regarding the total number of shares sold at each separate price within the range set forth herein. The options are fully vested. These shares are held by the Marais Irrevocable Trust, of which the Reporting Person's spouse is a beneficiary. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, if any, and the filing of this report is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose. These shares are held by the Tuscan Irrevocable Trust, of which the Reporting Person is a beneficiary. These shares are held by the RAJN Trust-A, of which one of the Reporting Person's children is a beneficiary. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, if any, and the filing of this report is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose. These shares are held by the RAJN Trust-N, of which one of the Reporting Person's children is a beneficiary. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, if any, and the filing of this report is not an admission that the Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose. These securities are held by the Reporting Person, as custodian for the benefit of his children under the California Uniform Transfers to Minors Act. These shares are held by the Birchwood Trust, of which the Reporting Person and his spouse are beneficiaries. /s/ Andrew Woods, Attorney-in-Fact 2026-09-04