Every Form 4 that Seer, Inc. (SEER) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A Form 4 covers the transactions officers, directors and large holders report, so if you follow SEER and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full SEER filings page.
Seer, Inc. (SEER) reported that its President & CFO, David R. Horn, sold 7,309 shares of Class A Common Stock on 2026-08-18 at an average price of $2.0262 per share. According to the company’s disclosure, the shares were sold to satisfy Mr. Horn’s tax obligations related to vesting of restricted stock units. Following this sale, he directly holds 486,650 shares of Seer Class A Common Stock.
Seer, Inc. director Nicolas H. Roelofs, PhD received equity awards on July 28, 2026: 16,500 restricted stock units representing Class A Common Stock and a stock option for 25,000 shares at an exercise price of $2.14, expiring July 28, 2036. Both awards vest on the earlier of July 28, 2027 or the day prior to the next annual meeting of stockholders. After the RSU grant, Roelofs directly holds 91,496 Class A shares, plus the option position.
Seer, Inc. director Ro Isaac received two equity awards on July 28, 2026. He was granted 12,375 shares of Class A Common Stock in the form of RSUs that vest on the earlier of July 28, 2027 or the day prior to the next annual stockholders’ meeting. He also received a stock option for 18,750 shares at an exercise price of $2.14 per share, expiring July 28, 2036, with the same vesting schedule. Following the RSU grant, he directly holds 53,375 shares of Class A Common Stock.
Seer, Inc. director Nishar Dipchand received equity compensation awards on July 28, 2026, including 16,500 restricted stock units representing Class A common stock and a stock option for 25,000 shares at an exercise price of $2.14 per share. Both awards vest on the earlier of July 28, 2027 or the day prior to Seer’s next annual stockholder meeting. Following these awards, he directly holds 75,544 shares of Class A common stock.
Seer, Inc. director Terrance McGuire reported equity awards dated July 28, 2026. He received 16,500 restricted stock units of Class A Common Stock and a stock option for 25,000 shares at an exercise price of $2.14 per share, both vesting on the earlier of July 28, 2027 or the day prior to the next annual meeting of stockholders. Following the RSU grant, he directly holds 128,566 Class A common shares. Certain additional shares are held of record by Strong Bridge, LLC and Polaris Founders Capital Fund I, L.P., entities with which McGuire is associated and in which he has pecuniary interests.
Seer, Inc. director Robert Langer reported equity awards on July 28, 2026. He received a grant of stock options for 25000 shares of Class A Common Stock at an exercise price of $2.1400 per share, expiring on July 28, 2036. He also received 16500 shares represented by restricted stock units that settle in Class A Common Stock. Both the RSUs and the option shares vest on the earlier of July 28, 2027 or the day prior to Seer’s next annual meeting of stockholders. Following these awards, Langer directly holds 821025 shares of Class A Common Stock and 25000 options.
Seer, Inc. director Meeta Gulyani received equity-based compensation on July 28, 2026, including 25,000 stock options with a $2.14 exercise price expiring on July 28, 2036, and 16,500 RSUs. Both awards vest on the earlier of July 28, 2027 or the day before the next annual stockholders’ meeting. After the RSU grant, she directly held 124,043 shares of Class A common stock.
Seer, Inc. director Dipchand Nishar reported an open-market sale of 10,660 shares of Class A Common Stock at a weighted average price of $2.18 per share on July 8, 2026. The transaction was executed under a Rule 10b5-1 trading plan adopted on August 8, 2025 to cover tax obligations upon vesting and settlement of restricted stock units. Following the sale, he directly holds 59,044 shares.
Seer, Inc. President & CFO David R. Horn reported an open-market sale of 7,303 shares of Class A Common Stock at an average price of $1.6913 per share. According to the filing, the shares were sold to satisfy his tax obligations related to vesting restricted stock units, and he held 493,959 shares directly after the transaction.
Seer, Inc. disclosed that Chief Commercial Officer Anthony R. Bazarko received an equity compensation grant. He was awarded 75,000 shares of Class A Common Stock in the form of restricted stock units that vest in four equal annual installments beginning on May 15, 2027. He also received an option on 225,000 shares of Class A Common Stock with an exercise price of $1.87 per share, expiring on May 8, 2036. One-fourth of the option shares vest on May 4, 2027, with the remainder vesting monthly thereafter. These awards are reported as grants, not open-market purchases or sales.
Seer, Inc. reported that its President & CFO, David R. Horn, sold 7,743 shares of Class A common stock in an open-market transaction at a weighted-average price of $1.9949 per share on February 18, 2026. According to the disclosure, the shares were sold to satisfy his tax obligations arising from the vesting of restricted stock units, meaning the sale was tied to a compensation-related tax event rather than a discretionary portfolio move. After this sale, he continued to hold 501,262 shares of Seer Class A common stock directly.
Seer, Inc. director, CEO and chair Omid Farokhzad reported an open-market sale of 24,385 shares of Class A common stock at an average price of $1.9949 per share on February 18, 2026. According to the filing, these shares were sold to satisfy his tax obligations arising from the vesting of restricted stock units. After this transaction, he continues to hold 3,349,064 shares directly. The filing also notes an additional 2,117,138 shares held indirectly through the SAF-BND Trust, for which his spouse is trustee, with a disclaimer of beneficial ownership except for any pecuniary interest.
Seer, Inc. reported an insider equity award to its president and CFO, David R. Horn. On February 3, 2026, he received 79,000 shares of Class A common stock in the form of restricted stock units that vest in 16 equal quarterly installments beginning on May 15, 2026. He was also granted an employee stock option to purchase 119,000 shares of Class A common stock at an exercise price of $1.79 per share, expiring on February 3, 2036. One-fourth of these option shares vest on February 3, 2027 and the remainder vests in equal monthly installments thereafter. Following these awards, Horn directly beneficially owned 509,005 shares of Class A common stock and 119,000 stock options.
Seer, Inc. CEO and Chair Omid Farokhzad reported new equity awards, including 697,162 Class A RSU-based shares and 512,000 stock options. The 697,162 reported shares are restricted stock units that vest in 16 equal quarterly installments beginning on May 15, 2026. The employee stock option covers 512,000 Class A shares at an exercise price of $1.79 per share, expiring on February 3, 2036; one-fourth vests on February 3, 2027 and the rest vests monthly thereafter. Following these grants, he directly beneficially owns 3,373,449 Class A shares, and an additional 2,117,138 shares are held by SAF-BND Trust for which his spouse is trustee, with beneficial ownership disclaimed except for any pecuniary interest.
Seer, Inc. reported an insider transaction by a director involving the automatic conversion of 4,088 shares of Class B Common Stock into 4,088 shares of Class A Common Stock on 12/09/2025, coded as a conversion transaction. This occurred under the company’s amended and restated certificate of incorporation, which provides for each Class B share to convert into one Class A share on the first day following the fifth anniversary of the closing of Seer’s initial public offering.
After this transaction, the director is shown as beneficially owning 215,070 Class A shares indirectly through Strong Bridge, LLC, where the director serves as an operating manager, plus 112,066 Class A shares held directly and 78,947 Class A shares held indirectly through Polaris Founders Capital Fund I, L.P. The filing notes that the director and related entities disclaim beneficial ownership of the Polaris-held shares except to the extent of any pecuniary interest.
Seer, Inc. disclosed that its CEO, chair and director converted Class B Common Stock into Class A Common Stock on 12/09/2025. Under the company’s amended and restated certificate of incorporation, each Class B share automatically converted into one Class A share on the first day following the fifth anniversary of the company’s initial public offering.
The reporting person received 1,438,057 Class A shares directly and now holds 2,676,287 Class A shares in direct ownership. A further 2,117,138 Class B shares converted into the same number of Class A shares held indirectly through SAF-BND Trust, for which the reporting person’s spouse serves as trustee, with beneficial ownership disclaimed except to the extent of any pecuniary interest. All reported Class B derivative positions now show a zero balance after the conversion.
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.