InsiderTrades

Form 4 for PUBM PubMatic, Inc.

Accepted 2026-07-17 17:20:28 ET · period of report 2026-07-16 · accession 0001833462-26-000012 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
DT 2026-07-17 17:20 2026-07-16 PUBM Kumar Mukul Pres, ENGINEERING C - Cnv Deriv $0.00 +8,000 120.9K +7% $0
DT 2026-07-17 17:20 2026-07-16 PUBM Kumar Mukul Pres, ENGINEERING S - Sale $13.67 -8,000 112.9K -7% -$109.3K
DMT 2026-07-17 17:20 2026-07-16 PUBM Kumar Mukul Pres, ENGINEERING M - OptEx $1.07 0 143.6K New $0
DT 2026-07-17 17:20 2026-07-16 PUBM Kumar Mukul Pres, ENGINEERING C - Cnv Deriv $0.00 -8,000 135.6K -6% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Class A Common Stock 2026-07-16 C A 8,000 $0.00 120,945 D — —
2 Common Class A Common Stock 2026-07-16 S D 8,000 $13.67 112,945 D — — (F1) The sales reported in this line item were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 3, 2026. (F2) Represents the weighted average sale price. The lowest price at which shares were sold was $13.53 and the highest price at which shares were sold was $14.03. 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.
3 Derivative Stock Option (Right to buy Class B Common Stock) 2026-07-16 M D 8,000 $0.00 31,000 D $2.15 · — to 2027-05-01 8,000 Class B Common Stock (F3) The options are fully vested.
4 Derivative Class B Common Stock 2026-07-16 M A 8,000 $2.15 143,600 D — · — to — 8,000 Class A Common Stock (F4) 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 that occurs after the closing of the Issuer's initial public offering, except for certain permitted transfers. (F4) 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 that occurs after the closing of the Issuer's initial public offering, except for certain permitted transfers. (F4) 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 that occurs after the closing of the Issuer's initial public offering, except for certain permitted transfers.
5 Derivative Class B Common Stock 2026-07-16 C D 8,000 $0.00 135,600 D — · — to — 8,000 Class A Common Stock (F4) 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 that occurs after the closing of the Issuer's initial public offering, except for certain permitted transfers. (F4) 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 that occurs after the closing of the Issuer's initial public offering, except for certain permitted transfers. (F4) 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 that occurs after the closing of the Issuer's initial public offering, except for certain permitted transfers.