Form 4 for PUBM PubMatic, Inc.
Accepted 2026-06-02 18:09:06 ET · period of report 2026-05-29 · accession 0001865504-26-000008 · 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 | 2026-06-02 18:09 | 2026-05-31 | PUBM | Glaser Shelagh | Dir | M - OptEx | $0.00 | +13.4K | 21.5K | +167% | $0 |
| D | 2026-06-02 18:09 | 2026-05-29 | PUBM | Glaser Shelagh | Dir | A - Grant | $0.00 | +15.8K | 15.8K | New | $0 |
| DM | 2026-06-02 18:09 | 2026-05-31 | PUBM | Glaser Shelagh | Dir | M - OptEx | $0.00 | -13.4K | 0 | -100% | $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 | 2026-05-31 | M | A | 13,437 | $0.00 | 21,502 | D | — | — | |
| 2 | Derivative | Restricted Stock Units | 2026-05-29 | A | A | 15,839 | $0.00 | 15,839 | D | — · — to — | 15,839 Class A Common Stock | (F1) Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement. (F2) The RSUs vest in full on the earliest to occur of (a) the first anniversary of the grant date, (b) immediately prior to the Company's annual meeting of stockholders in 2027, (c) the Reporting Person's death or disability, and (d) a change in control of the Issuer. Shares of the Issuer's Class A Common Stock will be delivered to the Reporting Person upon settlement of the RSUs. (F3) RSUs do not expire; they either vest or are cancelled prior to vesting date. |
| 3 | Derivative | Restricted Stock Units | 2026-05-31 | M | D | 9,971 | $0.00 | 0 | D | — · — to — | 9,971 Class A Common Stock | (F1) Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement. (F4) The RSUs vest in full on the earliest to occur of (a) the first anniversary of the grant date, (b) immediately prior to the Company's annual meeting of stockholders in 2024, (c) the Reporting Person's death or disability, and (d) a change in control of the Issuer. The Reporting Person has elected to defer settlement of the RSUs until the earliest to occur of (i) the third anniversary of the grant date, (ii) the Reporting Person's death or disability, (iii) a change in control of the Issuer, and (iv) the Reporting Person's separation of service from the Issuer. Shares of the Issuer's Class A Common Stock will be delivered to the Reporting Person upon settlement of the RSUs. (F3) RSUs do not expire; they either vest or are cancelled prior to vesting date. |
| 4 | Derivative | Restricted Stock Units | 2026-05-31 | M | D | 3,466 | $0.00 | 0 | D | — · — to — | 3,466 Class A Common Stock | (F1) Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class A Common Stock upon settlement. (F5) Represents RSUs payable in lieu of annual cash fees for Board of Directors and committee service pursuant to the Reporting Person's election under the Issuer's non-employee director compensation policy. The RSUs vested in full on December 31, 2023. The Reporting Person elected to defer settlement of the RSUs until the earliest to occur of (a) the third anniversary of the Grant Date, (b) the Reporting Person's separation from service from the Issuer, and (c) a change in control of the Issuer. Shares of the Issuer's Class A Common Stock will be delivered to the Reporting Person upon settlement of the RSUs. (F3) RSUs do not expire; they either vest or are cancelled prior to vesting date. |