Seer, Inc.
4.60%
2,610,232
1726445
81578P106
Feb 25, 2026
Mar 2, 2026, 05:19 PM
Reporting Persons (6)
This is a joint filing. The reported shares may overlap between reporting persons and should not be summed.
| Name | Type | % of Class | Aggregate | Sole Voting | Shared Voting |
|---|---|---|---|---|---|
| Radoff Bradley Louis | Individual | 4.60% | 2,610,232 | 2,110,232 | 500,000 |
| Torok Michael | Individual | 3.00% | 1,667,296 | 285,000 | 1,382,296 |
| JEC II Associates, LLC | Other | 2.10% | 1,167,296 | 0 | 1,167,296 |
| Radoff Family Foundation | CO | 0.90% | 500,000 | 0 | 500,000 |
| The MOS Trust | Other | 0.40% | 215,000 | 0 | 215,000 |
| MOS PTC, LLC | Other | 0.40% | 215,000 | 0 | 215,000 |
Disclosure Items (5)
Class A Common Stock, par value $0.00001 per share
Seer, Inc.
3800 BRIDGE PARKWAY, SUITE 102, REDWOOD CITY, CA, 94065
Item 3 is hereby amended and restated to read as follows: The Shares purchased by the Radoff Foundation were purchased with working capital (which may, at any given time, include margin loans made by brokerage firms in the ordinary course of business). The aggregate purchase price of the 500,000 Shares directly owned by the Radoff Foundation is approximately $970,645, including brokerage commissions. The Shares directly owned by Mr. Radoff were purchased with personal funds (which may, at any given time, include margin loans made by brokerage firms in the ordinary course of business). The aggregate purchase price of the 2,110,232 Shares directly owned by Mr. Radoff is approximately $4,091,665, including brokerage commissions. The Shares purchased by JEC II were purchased with working capital (which may, at any given time, include margin loans made by brokerage firms in the ordinary course of business). The aggregate purchase price of the 1,167,296 Shares owned directly by JEC II is approximately $2,226,405, including brokerage commissions. The Shares purchased by MOS Trust were purchased with working capital (which may, at any given time, include margin loans made by brokerage firms in the ordinary course of business). The aggregate purchase price of the 215,000 Shares owned directly by MOS Trust is approximately $420,140, including brokerage commissions. The Shares directly owned by Mr. Torok were purchased with personal funds (which may, at any given time, include margin loans made by brokerage firms in the ordinary course of business). The aggregate purchase price of the 285,000 Shares directly owned by Mr. Torok is approximately $654,853, including brokerage commissions.
Item 5(a) is hereby amended and restated to read as follows: The aggregate percentage of Shares reported owned by each person named herein is based on 56,219,599 Shares outstanding as of December 31, 2025, which is the total number of Shares outstanding as disclosed in Exhibit 99.1 to the Issuer's Current Report on Form 8-K filed with the Securities and Exchange Commission on February 26, 2026. As of the date hereof, the Radoff Foundation directly beneficially owned 500,000 Shares, constituting approximately 0.9% of the Shares outstanding. As of the date hereof, Mr. Radoff directly beneficially owned 2,110,232 Shares, constituting approximately 3.8% of the Shares outstanding. Mr. Radoff, as a director of the Radoff Foundation, may be deemed the beneficial owner of the 500,000 Shares owned by the Radoff Foundation, which together with the 2,110,232 Shares he directly owns, constitutes an aggregate of 2,610,232 Shares beneficially owned by Mr. Radoff, constituting approximately 4.6% of the Shares outstanding. As of the date hereof, JEC II directly beneficially owned 1,167,296 Shares, constituting approximately 2.1% of the Shares outstanding. As of the date hereof, MOS Trust directly beneficially owned 215,000 Shares, constituting approximately 0.4% of the Shares outstanding. MOS PTC, as the trustee of MOS Trust, may be deemed the beneficial owner of the 215,000 Shares owned by MOS Trust, constituting approximately 0.4% of the Shares outstanding. As of the date hereof, Mr. Torok directly beneficially owned 285,000 Shares, constituting approximately 0.5% of the Shares outstanding. Mr. Torok, (i) as the Manager of JEC II, may be deemed the beneficial owner of the 1,167,296 Shares owned by JEC II, and (ii) as a Manager of MOS PTC, may be deemed the beneficial owner of the 215,000 Shares owned by MOS Trust, which together with the 285,000 Shares he directly owns, constitutes an aggregate of 1,667,296 Shares beneficially owned by Mr. Torok, constituting approximately 3.0% of the Shares outstanding. Each Reporting Person may be deemed to be a member of a "group" with the other Reporting Persons for the purposes of Section 13(d)(3) of the Securities Exchange Act of 1934, as amended, and such group may be deemed to beneficially own the 4,277,528 Shares owned in the aggregate by all of the Reporting Persons, constituting approximately 7.6% of the Shares outstanding. Each Reporting Person disclaims beneficial ownership of the Shares that he or it does not directly own.
Item 5(c) is hereby amended and restated to read as follows: The transactions in securities of the Issuer by the Reporting Persons since the filing of the initial Schedule 13D are set forth in Exhibit 2 and are incorporated herein by reference. All of such transactions were effected in the open market unless otherwise noted therein.
Item 7 is hereby amended to add the following exhibit: 2 - Transactions in Securities.