| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Lee Michael Stewart | Director | C/O REDMILE GROUP, LLC, ONE LETTERMAN DR., BLDG. D, SUITE D3-300, SAN FRANCISCO | /s/ Michael Lee | 2025-08-14 | 0001748010 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IGMS | Common Stock | Disposed to Issuer | -12.7K | -100% | 0 | Aug 14, 2025 | Direct | F1, F2, F3 |
Michael Lee is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.
| Id | Content |
|---|---|
| F1 | On August 14, 2025, pursuant to the terms of the Agreement and Plan of Merger, dated as of July 1, 2025, among the Issuer, Concentra Biosciences, LLC, a Delaware limited liability company ("Parent"), and Concentra Merger Sub V, Inc., a Delaware corporation and a wholly owned subsidiary of Parent ("Merger Sub"), Merger Sub completed a tender offer to purchase all outstanding shares of the Issuer's Common Stock and Non-Voting Common Stock in exchange for (a) a price per share of $1.247 in cash (the "Offer Price"), subject to applicable tax withholding and without interest, plus (b) one contingent value right ("CVR") per share subject to the terms and conditions of a Contingent Value Rights Agreement . The tender offer expired one minute following 11:59 p.m., Eastern Time, on August 13, 2025 (the "Offer Closing"). |
| F2 | The reported securities were granted to Michael Lee, a managing director of Redmile Group, LLC ("Redmile"), in connection with his service as a member of the Board of Directors of the Issuer. Pursuant to the policies of Redmile, Mr. Lee held these securities as a nominee on behalf, and for the sole benefit, of Redmile and assigned all economic, pecuniary and voting rights in respect of the securities to Redmile. Mr. Lee disclaimed beneficial ownership of the reported securities, and the filing of this Form 4 shall not be deemed an admission that Mr. Lee was the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose. |
| F3 | The securities may also be deemed beneficially owned by Jeremy Green as the principal of Redmile. Redmile and Mr. Green disclaim beneficial ownership of the securities except to the extent of their pecuniary interest therein, if any, and this Form 4 shall not be deemed an admission that Redmile or Mr. Green is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose. |
Mr. Lee, a managing director of Redmile, resigned as a member of the board of directors of the Issuer immediately prior to the effective date and time of the merger between Issuer and Merger Sub.