Form 4 for PUBM PubMatic, Inc.
Accepted 2026-04-03 17:21:07 ET · period of report 2026-01-01 · accession 0001833462-26-000006 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-04-03 17:21 | 2026-04-01 | PUBM | Kumar Mukul | Pres, ENGINEERING | M - OptEx | $0.00 | +20.0K | 107.3K | +23% | $0 |
| D | 2026-04-03 17:21 | 2026-04-02 | PUBM | Kumar Mukul | Pres, ENGINEERING | S - Sale+OE | $8.17 | -7,830 | 99.5K | -7% | -$64.0K |
| DM | 2026-04-03 17:21 | 2026-04-01 | PUBM | Kumar Mukul | Pres, ENGINEERING | M - OptEx | $0.00 | -20.0K | 125.4K | -14% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Class A Common Stock | 2026-04-01 | M | A | 19,974 | $0.00 | 107,315 | D | — | — | |
| 2 | Common | Class A Common Stock | 2026-04-02 | S | D | 7,830 | $8.17 | 99,485 | D | — | — | (F1) 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. (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 $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 | Derivative | Restricted Stock Unit | 2026-04-01 | M | D | 4,279 | $0.00 | 12,838 | D | $0.00 · — to — | 4,279 Class A Common Stock | (F3) 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. (F4) 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. (F5) RSUs do not expire; they either vest or are canceled prior to the vesting date. |
| 4 | Derivative | Restricted Stock Unit | 2026-04-01 | M | D | 4,014 | $0.00 | 28,100 | D | $0.00 · — to — | 4,014 Class A Common Stock | (F3) 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. (F6) 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. (F5) RSUs do not expire; they either vest or are canceled prior to the vesting date. |
| 5 | Derivative | Restricted Stock Unit | 2026-04-01 | M | D | 3,321 | $0.00 | 36,523 | D | $0.00 · — to — | 3,321 Class A Common Stock | (F3) 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. (F7) 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. (F5) RSUs do not expire; they either vest or are canceled prior to the vesting date. |
| 6 | Derivative | Restricted Stock Unit | 2026-04-01 | M | D | 8,360 | $0.00 | 125,401 | D | $0.00 · — to — | 8,360 Class A Common Stock | (F3) 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. (F8) 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. (F5) RSUs do not expire; they either vest or are canceled prior to the vesting date. |