Steven Pantelick, Chief Financial Officer of PubMatic, Inc. (NASDAQ:PUBM), filed a Form 4 on August 14, 2026, disclosing two open-market sales of Class A Common Stock executed on August 12 and August 13, 2026, under a pre-established Rule 10b5-1 trading plan.

Key Highlights

  • First sale: 22,203 shares of Class A Common Stock were disposed of on August 12, 2026, at a weighted average price of $17.2528 per share, with individual sale prices ranging from $17.08 to $17.78, inclusive.
  • Second sale: 19,716 shares were disposed of on August 13, 2026, at a weighted average price of $17.306 per share, with individual sale prices ranging from $17.05 to $17.618, inclusive.
  • Post-transaction ownership: Following the August 12 sale, Pantelick held 30,069 shares directly; following the August 13 sale, his direct holdings stood at 10,353 shares.
  • Trading plan: Both transactions were executed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 13, 2026.
  • Filing checkbox: The form indicates the transactions were made pursuant to a contract, instruction, or written plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

PubMatic CFO's Share Sales Under Rule 10b5-1 Plan

According to the filing, Steven Pantelick, identified as Chief Financial Officer of PubMatic, Inc., disposed of a combined 41,919 shares of Class A Common Stock across two consecutive trading days. The first transaction, on August 12, 2026, involved the sale of 22,203 shares at a weighted average price of $17.2528. The filing notes that these shares were sold at prices ranging from $17.08 to $17.78, inclusive, and that Pantelick undertakes to provide full pricing detail upon request to the issuer, any securityholder, or SEC staff.

The second transaction, on August 13, 2026, covered 19,716 shares at a weighted average price of $17.306 per share, with individual prices ranging from $17.05 to $17.618, inclusive. The same undertaking to provide itemized pricing information applies to this transaction as well, according to the filing. After both sales, the reporting person's direct beneficial ownership of Class A Common Stock stood at 10,353 shares.

The filing discloses that both sets of sales were effected pursuant to a Rule 10b5-1 trading plan that Pantelick adopted on May 13, 2026. All reported shares are held directly. No derivative securities transactions were reported in Table II of the filing. The form was signed by Andrew Woods as Attorney-in-Fact on August 14, 2026.

What Was Disclosed

The Form 4 filed August 14, 2026, reports that PubMatic's CFO sold a total of 41,919 shares of Class A Common Stock on August 12 and 13, 2026, under a pre-established Rule 10b5-1 plan, leaving him with 10,353 shares held directly.