Welcome to our dedicated page for PubMatic SEC filings (Ticker: PUBM), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
PubMatic SEC filings document formal disclosures for an operating advertising technology company listed on Nasdaq under PUBM. Recent 8-K filings cover quarterly and annual operating results, furnished earnings releases, GAAP-to-non-GAAP reconciliations, adjusted EBITDA disclosures, cash flow commentary, share repurchase activity and updates related to AgenticOS and CTV advertising performance.
The company’s proxy materials describe annual meeting matters, director elections, auditor ratification and advisory executive compensation votes. Other current reports address executive leadership transitions and Regulation FD disclosures, including litigation-related communications concerning publisher ad server and ad exchange markets.
PubMatic, Inc. (PUBM) reported that its Chief Accounting Officer, Lisa Gimbel, sold 500 shares of Class A Common Stock on September 1, 2026 at an average price of $16.43 per share. The filing states the sale was made in a sale transaction and that she held 16,427 shares directly after the transaction. According to a footnote, this sale was effected under a Rule 10b5-1 trading plan adopted by her on May 13, 2026, indicating it was pre-arranged rather than opportunistic.
PubMatic, Inc. (PUBM) has a notice under Rule 144 from director Paulina Klimenko covering planned sales of common stock. The notice lists up to 31,044 shares of PubMatic common stock to be sold through Morgan Stanley Smith Barney LLC, with an aggregate market value of $507,665.64, and references PubMatic common stock traded on NASDAQ.
The filing also notes future vesting equity awards that may be sold, including 11,780 shares vesting on April 1, 2025, 9,656 shares vesting on April 1, 2026, and 9,608 shares vesting on July 1, 2026, all as restricted stock vesting under a registered plan for services rendered. PubMatic common shares outstanding are listed as 37,303,647.
Over the prior three months, the notice reports several completed sales by Klimenko, including 40,000 shares of common stock sold on August 12, 2026 for $687,872.00, along with additional sales of 9,009 shares, 14,914 shares, and 9,254 shares in early July 2026.
PubMatic, Inc. (PUBM) insider Rajeev K. Goel, the chief executive officer and a director, reported option exercises, share conversions, and a sale of Class A common stock. On 2026-08-20 he exercised fully vested options for 21,871 shares at $2.15 per share, leaving 94,958 options outstanding under that award expiring on May 1, 2027. He converted 34,371 shares of Class B common stock into an equal number of Class A shares, then sold 49,980 Class A shares at a weighted average price of $16.4918 (range $16.32–$16.74) pursuant to a Rule 10b5-1 trading plan adopted on March 5, 2026. After these sales, he held a total of 2,375,148 shares of Class A and Class B common stock, excluding options and unvested equity awards, with additional indirect holdings through various family trusts and custodial accounts.
PubMatic, Inc. (PUBM) received a notice under Rule 144 that reporting person Rajeev Goel plans to sell up to 49,980 shares of PubMatic common stock on or after 08/20/2026 through broker Morgan Stanley Smith Barney LLC on NASDAQ, with an estimated value of $838,664.40. The planned sales include shares issuable from the exercise of stock options (21,871 shares), restricted stock units (15,609 shares), and previously exercised options (12,500 shares). The notice also lists multiple prior sales in the past three months, including 211,302 shares sold for $3,749,434.58 on 08/07/2026 under a Rule 10b5-1 trading plan.
PubMatic, Inc. (symbol: PUBM) is the issuer of record for a Form 4 filing submitted to the SEC.
PubMatic, Inc. (PUBM) reported insider equity activity by Chief Accounting Officer Lisa Gimbel. On May 18, 2026, she sold 1,396 shares of Class A Common Stock at a weighted average price of $17.0397 per share in a block trade to cover tax withholding obligations from RSU vesting. On August 15, 2026, a total of 3,762 Restricted Stock Units (RSUs) vested and converted into the same number of Class A shares at no cash cost, in four tranches of 1,395; 772; 801; and 794 RSUs, under multi-year quarterly vesting schedules.
PubMatic, Inc. Chief Financial Officer Steven Pantelick reported open-market sales of a total of 41,919 shares of Class A Common Stock on August 12–13, 2026. The trades, executed at weighted average prices around $17.25–$17.31 within disclosed price ranges, were effected under a Rule 10b5-1 trading plan adopted on May 13, 2026.
PubMatic, Inc. reported that Chief Accounting Officer Lisa Gimbel sold 500 shares of Class A Common Stock on August 12, 2026 at $17.50 per share in an open-market sale pursuant to a Rule 10b5-1 trading plan. Following this transaction, she directly holds 14,561 shares, including 1,384 shares acquired on May 29, 2026 under the company’s employee stock purchase plan.
PubMatic, Inc. insider Steve Pantelick filed a notice for a potential sale of 19,716 shares of common stock, with an indicated aggregate market value of $341,205.10, to be sold through Morgan Stanley Smith Barney LLC on or after August 13, 2026 on NASDAQ. The shares derive from prior restricted stock vesting under registered compensation plans and purchases through an employee stock purchase plan, and follow several common stock sales over the past three months.
Lisa Gimbel, a security holder of PubMatic, Inc., filed a notice of proposed sales of PubMatic common stock under Form 144. The filing lists a planned sale of 2,000 common shares through Morgan Stanley Smith Barney LLC with an aggregate market value of $35,300.00, expected to be sold on or after August 12, 2026 on the NASDAQ market. It also reports that 2,863 common shares were sold during the past three months on May 18, 2026 for $28,318.79. The shares to be sold are related to Restricted Stock Units issued on May 15, 2025.