Form 4: Seer Director McGuire Converts Class B to Class A Stock
Insider Transaction Report
Seer, Inc. Director Terrance McGuire reported the automatic conversion of 4,088 Class B Common Stock shares into Class A Common Stock on December 9, 2025.
Summary
- Terrance McGuire, a Director of Seer, Inc., reported changes in beneficial ownership.
- On December 9, 2025, 4,088 shares of Seer, Inc. Class B Common Stock were automatically converted into 4,088 shares of Class A Common Stock.
- This conversion was mandated by the company's amended and restated certificate of incorporation, occurring on the first day following the fifth anniversary of Seer's initial public offering.
- Following this transaction, Mr. McGuire indirectly beneficially owns 215,070 shares of Class A Common Stock through Strong Bridge, LLC.
- Additionally, Mr. McGuire indirectly beneficially owns 78,947 shares of Class A Common Stock through Polaris Founders Capital Fund I, L.P., though he disclaims beneficial ownership except for his pecuniary interest.
Sentiment
Score: 5
Explanation: The filing reports a routine, pre-determined stock conversion and updated beneficial ownership, which is neutral in sentiment.
Future Outlook
NA
Industry Context
NA
Corporate Governance
| Change Type | Description | Effective Date | Impact Assessment |
|---|---|---|---|
| Stock Structure Change | Automatic conversion of Class B Common Stock to Class A Common Stock as per the Issuer's amended and restated certificate of incorporation, occurring on the first day following the fifth anniversary of the IPO. | 12/09/2025 | This is a pre-determined structural change, standardizing share classes over time, which can simplify capital structure and potentially increase liquidity for the converted shares. |
Related Party Transactions
- Indirect beneficial ownership of 215,070 Class A Common Stock shares through Strong Bridge, LLC, where Terrance McGuire serves as an operating manager.
- Indirect beneficial ownership of 78,947 Class A Common Stock shares through Polaris Founders Capital Fund I, L.P. (PFCF I), where Polaris Founders Capital Management Co. I, L.L.C. (PFCM) is the general partner, and Terrance McGuire is a managing member of PFCM. McGuire disclaims beneficial ownership except for his pecuniary interest.
Stakeholder Impact
- Shareholders: The conversion of Class B to Class A stock, as per pre-existing corporate governance, is a routine event that standardizes share classes. It does not immediately impact the overall value of the company but may affect voting rights distribution over time as Class B shares typically carry super-voting rights.
Key Dates
| Date | Description |
|---|---|
| 12/09/2025 | Date of automatic conversion of Class B Common Stock to Class A Common Stock. |
| 12/11/2025 | Date Form 4 was signed by David Horn, by power of attorney. |
Keywords
Seer Inc., SEER, Terrance McGuire, Form 4, Insider Transaction, Beneficial Ownership, Class A Common Stock, Class B Common Stock, Stock Conversion, Corporate Governance
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