Welcome to our dedicated page for Seer SEC filings (Ticker: SEER), 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.
The Seer, Inc. (Nasdaq: SEER) SEC filings page provides access to the company’s official regulatory disclosures, including current reports on Form 8-K and other documents filed with the U.S. Securities and Exchange Commission. These filings offer detailed information on Seer’s capital structure, governance, and financial reporting practices as a life sciences company focused on deep, unbiased proteomics.
Recent Form 8-K filings include current reports on quarterly financial results, where Seer furnishes press releases describing revenue from Proteograph instruments, consumable kits, and Technology Access Center service projects. Other 8-Ks address corporate governance matters such as the election of directors, ratification of the independent registered public accounting firm, and notices related to Nasdaq listing rule compliance, including audit committee composition.
Seer’s filings also document important changes to its equity structure. A December 2025 Form 8-K describes the automatic conversion of all outstanding Class B common stock into Class A common stock pursuant to the company’s Amended and Restated Certificate of Incorporation, the subsequent retirement of the Class B shares, and the filing of a Certificate of Retirement in Delaware. The filing explains how this conversion affected voting power while leaving economic interests unchanged, and confirms that Seer’s Class A common stock continues to trade on The Nasdaq Global Select Market under the SEER ticker.
On Stock Titan, Seer’s SEC filings are updated as they are made available through EDGAR, and AI-powered summaries can help explain the key points of complex documents. Users can quickly identify items related to financial results, stock structure changes, governance decisions, and listing status, and then drill into the full filings for deeper review. This makes it easier to understand how Seer reports on its Proteograph-focused business and its obligations as a Nasdaq-listed issuer.
Seer, Inc. (SEER) officer David R. Horn, who serves as President & CFO, reported a tax-related sale of company stock. On 11/19/2025, he sold 6,797 shares of Class A common stock at a price of $1.9714 per share. The filing notes that these shares were sold to satisfy his tax obligations arising from the vesting of restricted stock units. After this transaction, he beneficially owned 436,802 shares of Seer Class A common stock, held directly.
Seer, Inc. (SEER) reported a routine insider transaction by its CEO and Chair, who is also a director. On 11/19/2025, the executive sold 33,838 shares of Class A common stock at a price of $1.9714 per share.
The company notes that these shares were sold to cover the reporting person's tax obligations arising from the vesting of restricted stock units. Following this transaction, the executive directly beneficially owns 1,238,230 shares of Seer common stock.
Seer, Inc. (SEER) filed its Q3 2025 report, showing steady revenue and narrowed losses. Total revenue was
Cash, cash equivalents and investments totaled
The company highlighted its May launch of the Proteograph ONE Assay and SP200 instrument. Class B common stock will automatically convert into Class A on December 9, 2025.
Seer, Inc. (SEER) furnished an earnings update by issuing a press release announcing results for the quarter ended September 30, 2025. The press release is attached as Exhibit 99.1 and incorporated by reference for informational purposes. The company stated that the Item 2.02 information and Exhibit 99.1 are furnished, not filed, under the Exchange Act, which means they are not subject to Section 18 liabilities and are not incorporated into other filings by reference. The report was signed by President and Chief Financial Officer David Horn.
Seer, Inc. is soliciting proxies for a Special Meeting to vote on an amendment to its certificate of incorporation to change the date when Class B common stock will automatically convert into Class A common stock (Proposal No. 1) and a related proposal to approve adjournments if additional voting is needed (Proposal No. 2). Stockholders of record may vote by Internet, telephone, mail or virtually during the meeting and can submit questions in advance or in real time. The proxy card designates named proxies who will vote shares per stockholder instructions or, if no instruction is given, in accordance with the board's recommendations. The disclosure lists key beneficial holders and option positions, including reported shared voting power by SoftBank entities with 5,135,383 Class A shares and other institutional holders reporting multi‑million share positions. Aggregated insider holdings and exercisable options within 60 days of September 30, 2025 are reported for directors and named executives.
Seer, Inc. (SEER) director Ro Isaac received equity awards on 09/02/2025 consisting of 41,000 restricted stock units (RSUs) and a stock option for 61,000 shares with a $2.04 exercise price. The RSUs and the option shares vest in three equal annual installments beginning on September 2, 2026, and the option expires September 2, 2035. After the reported transactions, Mr. Isaac beneficially owns 41,000 Class A shares and holds options covering 61,000 shares. The Form 4 was filed by one reporting person and executed under power of attorney.
Seer, Inc. reported an Initial Statement of Beneficial Ownership dated
Insider sale to cover taxes: This Form 4 shows David R. Horn, President & CFO of Seer, Inc. (SEER), sold 6,827 shares of Class A common stock on 08/20/2025 at a reported price of $2.0441 per share. The filing states the shares were sold to satisfy the reporting person’s tax obligations arising from the vesting of restricted stock units (RSUs). After the sale, Mr. Horn is reported to beneficially own 436,802 shares, held directly. The form is a single-person filing and includes the signer’s manual signature dated 08/21/2025.
Seer, Inc. insider sale by CEO and Chair — Omid Farokhzad, who serves as both a director and the company's CEO and Chair, reported the sale of 33,992 shares of Class A common stock on 08/20/2025 at a price of $2.0441 per share. Following the reported disposition, the filing shows beneficial ownership of 1,272,068 shares. The filing states the shares were sold to satisfy the reporting person's tax obligations arising from the vesting of restricted stock units (RSUs). The Form 4 was filed by one reporting person and executed under power of attorney on 08/21/2025.
Seer, Inc. reporting shows the Radoff Family Foundation directly owns 190,000 Class A shares and a Charitable Account holds 30,000 shares. Bradley L. Radoff is reported as directly owning 1,179,422 shares in Item 4, and when combined with the Foundation and Charitable Account holdings he is associated with 1,399,422 shares, representing approximately 2.6% of Seer’s ~54.8 million outstanding Class A shares. The filing indicates Mr. Radoff has sole voting and dispositive power over the majority of his direct holdings and shared power over the 190,000 Foundation shares.
The document contains an apparent inconsistency: the cover page lists sole voting/dispositive power as 1,209,422 for Mr. Radoff while Item 4 reports 1,179,422 directly owned shares; the filing does not reconcile this difference.