SEC Form SCHEDULE 13D filed by Eikon Therapeutics Inc.
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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 |
SCHEDULE 13D
Under the Securities Exchange Act of 1934
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Eikon Therapeutics, Inc. (Name of Issuer) |
Common Stock, $0.0001 par value per share (Title of Class of Securities) |
86889P208 (CUSIP Number) |
James Evangelista, CFO The Column Group III, LP, 1 Letterman Drive, Building D San Francisco, CA, 94129 (415) 865-2050 (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) |
02/06/2026 (Date of Event Which Requires Filing of This Statement) |

SCHEDULE 13D
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| CUSIP No. | 86889P208 |
| 1 |
Name of reporting person
The Column Group IV GP, LP | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
AF | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
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| 6 | Citizenship or place of organization
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
4,460,979.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
8.3 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
PN |
SCHEDULE 13D
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| CUSIP No. | 86889P208 |
| 1 |
Name of reporting person
The Column Group IV, LP | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
WC | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
4,312,139.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
8.0 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
PN |
SCHEDULE 13D
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| CUSIP No. | 86889P208 |
| 1 |
Name of reporting person
The Column Group IV-A, LP | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
WC | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
148,840.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
0.3 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
PN |
SCHEDULE 13D
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| CUSIP No. | 86889P208 |
| 1 |
Name of reporting person
The Column Group Opportunity III, LP | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
WC | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
1,892,733.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
3.5 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
PN |
SCHEDULE 13D
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| CUSIP No. | 86889P208 |
| 1 |
Name of reporting person
The Column Group Opportunity III GP, LP | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
AF | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
1,892,733.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
3.5 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
PN |
SCHEDULE 13D
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| CUSIP No. | 86889P208 |
| 1 |
Name of reporting person
TCG Opportunity III GP, LLC | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
AF | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
1,892,733.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
3.5 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
OO |
SCHEDULE 13D
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| CUSIP No. | 86889P208 |
| 1 |
Name of reporting person
Tim Kutzkey | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
AF | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
UNITED STATES
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
6,353,712.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
11.6 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
IN |
SCHEDULE 13D
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| CUSIP No. | 86889P208 |
| 1 |
Name of reporting person
Peter Svennilson | ||||||||
| 2 | Check the appropriate box if a member of a Group (See Instructions)
(a)
(b)
| ||||||||
| 3 | SEC use only | ||||||||
| 4 |
Source of funds (See Instructions)
AF | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
SWEDEN
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
6,353,712.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
11.6 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
IN |
SCHEDULE 13D
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| Item 1. | Security and Issuer |
| (a) | Title of Class of Securities:
Common Stock, $0.0001 par value per share |
| (b) | Name of Issuer:
Eikon Therapeutics, Inc. |
| (c) | Address of Issuer's Principal Executive Offices:
230 Harriet Tubman Way, Millbrae,
CALIFORNIA
, 94030. |
| Item 2. | Identity and Background |
| (a) | This Statement is being filed by The Column Group IV, LP (TCG IV LP), The Column Group IV-A, LP (TCG IV-A LP), The Column Group IV GP, LP (TCG IV GP LP), The Column Group Opportunity III, LP (TCG Opportunity III LP), The Column Group Opportunity III GP, LP (TCG Opportunity III GP LP), TCG Opportunity III GP, LLC (TCG Opportunity III GP LLC, together with TCG IV LP, TCG IV-A LP, TCG IV GP LP, TCG Opportunity III LP, and TCG Opportunity III GP LP, the Reporting Entities), Tim Kutzkey and Peter Svennilson (the Reporting Individuals). The Reporting Entities and Reporting Individuals are collectively referred to as the Reporting Persons. The agreement among the Reporting Persons to file jointly in accordance with the provisions of Rule 13d-1(k)(1) under the Act is attached hereto as Exhibit 1. Each Reporting Person disclaims beneficial ownership of all securities reported in this Statement except to the extent of such Reporting Person's pecuniary interest therein, other than those securities reported herein as being held directly by such Reporting Person |
| (b) | The address of the principal offices of each Reporting Person is 1 Letterman Drive, Building D, Suite M-900, San Francisco, CA 94129. |
| (c) | Each of TCG IV LP, TCG IV-A LP and TCG Opportunity III LP is a venture capital investment entity. TCG IV GP LP is the general partner of each of TCG IV LP and TCG IV-A LP. TCG Opportunity III GP LP is the general partner of TCG Opportunity III LP. TCG Opportunity III GP LLC is the general partner of TCG Opportunity III GP LP and the ultimate general partner of TCG Opportunity III LP. Tim Kutzkey and Peter Svennilson are the managing partners of TCG IV GP LP and the managing members of TCG Opportunity III GP LLC, and are each engaged through venture capital investment entities in acquiring, holding and disposing of interests in various companies for investment purposes. |
| (d) | During the past five years, none of the Reporting Persons have been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors). |
| (e) | None of the Reporting Persons are, nor during the last five years have been, a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws. |
| (f) | Each of TCG IV GP LP, TCG IV LP, TCG IV-A LP, TCG Opportunity III LP and TCG Opportunity III GP LP is a limited partnership organized under the laws of the State of Delaware. TCG Opportunity III GP LLC is a limited company organized under the laws of the State of Delaware. Dr. Kutzkey is a citizen of the United States of America. Mr. Svennilson is a citizen of Sweden. |
| Item 3. | Source and Amount of Funds or Other Consideration |
In September 2019, TCG IV LP purchased an aggregate of 9,670,000 shares of the Issuer's Series A Preferred Stock for a purchase price of $1.00 per share and an aggregate purchase price of approximately $9.67 million.
In September 2019, TCG IV-A LP purchased an aggregate of 330,000 shares of the Issuer's Series A Preferred Stock for a purchase price of $1.00 per share and an aggregate purchase price of approximately $0.3 million.
In May 2021, TCG IV LP purchased an aggregate of 10,467,526 shares of the Issuer's Series A-1 Preferred Stock for a purchase price of $2.00 per share and an aggregate purchase price of approximately $20.93 million.
In May 2021, TCG IV-A LP purchased an aggregate of 357,216 shares of the Issuer's Series A-1 Preferred Stock for a purchase price of $2.00 per share and an aggregate purchase price of approximately $0.72 million.
In May 2023, TCG IV LP purchased an aggregate of 827,278 shares of the Issuer's Series C Preferred Stock for a purchase price of $21.50 per share and an aggregate purchase price of approximately $17.79 million.
In May 2023, TCG IV-A LP purchased an aggregate of 28,229 shares of the Issuer's Series C Preferred Stock for a purchase price of $21.50 per share and an aggregate purchase price of approximately $0.6 million.
In February 2025, TCG Opp III LP purchased 5,133,076 shares of the Issuer's Series D Preferred Stock for a purchase price of $5.84 per share and an aggregate purchase price of approximately $30.0 million.
In February 2026, effective upon the closing of the Issuer's initial public offering of its Common Stock (the Offering), each series of the Issuer's preferred stock automatically converted into shares of the Issuer's Common Stock on a one-for-7.4578 basis for no consideration. Following such conversion, each Reporting Person directly held such number of shares of Common Stock set forth in Item 11 of their respective Cover Pages.
On February 6, 2026, in connection with the Offering, TCG IV LP purchased 1,437,323 shares of the Issuer's Common Stock for a purchase price of $18.00 per share and an aggregate purchase price of approximately $25.87 million.
On February 6, 2026, in connection with the Offering, TCG IV-A LP purchased 49,556 shares of the Issuer's Common Stock for a purchase price of $18.00 per share and an aggregate purchase price of approximately $0.9 million.
On February 6, 2026, in connection with the Offering, TCG Opportunity III LP purchased 630,881 shares of the Issuer's Common Stock for a purchase price of $18.00 per share and an aggregate purchase price of approximately $11.35 million.
All shares of the capital stock of the Issuer purchased by TCG IV LP, TCG IV-A LP and TCG Opportunity III LP have been purchased using investment funds provided to TCG IV LP, TCG IV-A LP and TCG Opportunity III LP by its limited partner and general partner investors. Unless noted above, no part of the purchase price was borrowed by any Reporting Person for the purpose of acquiring any securities discussed in this Item 3.
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| Item 4. | Purpose of Transaction |
The information set forth in Item 3 of this Statement is incorporated herein by reference. The Reporting Persons hold the securities of the Issuer for general investment purposes. The Reporting Persons may, from time to time, depending on prevailing market, economic and other conditions, acquire additional shares of Common Stock or other securities of the Issuer, dispose of any such securities, or engage in discussions with the Issuer concerning such acquisitions or dispositions or further investments in the Issuer. The Reporting Persons intend to review their investment in the Issuer on a continuing basis and, depending upon the price and availability of shares of Common Stock or other securities of the Issuer, subsequent developments affecting the Issuer, the Issuer's business and prospects, other investment and business opportunities available to the Reporting Persons, general stock market and economic conditions, tax considerations and other factors considered relevant, may decide at any time to increase or to decrease the size of their investment in the Issuer in the open market, in privately negotiated transactions, pursuant to 10b5-1 trading plans or otherwise.
Except as set forth above, the Reporting Persons have no present plans or intentions which would result in or relate to any of the transactions described in subparagraphs (a) through (j) of Item 4 of Schedule 13D.
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| Item 5. | Interest in Securities of the Issuer |
| (a) | See Items 7-11 of the cover pages of this Statement and Item 2 above. Except to the extent of his, hers, or its pecuniary interest therein, each Reporting Person disclaims beneficial ownership of such shares of Common Stock, except for the shares, if any, such Reporting Person holds of record. |
| (b) | See Items 7-11 of the cover pages of this Statement and Item 2 above. Except to the extent of his, hers, or its pecuniary interest therein, each Reporting Person disclaims beneficial ownership of such shares of Common Stock, except for the shares, if any, such Reporting Person holds of record. |
| (c) | Except as reported in this Statement, none of the Reporting Persons has effected any transactions in the Issuer's securities within the past 60 days. |
| (d) | Under certain circumstances set forth in the limited partnership agreements of TCG IV LP, TCG IV-A LP and TCG Opportunity III LP, the general partner and limited partners of each of TCG IV LP, TCG IV-A LP and TCG Opportunity III LP may be deemed to have the right to receive dividends from, or the proceeds from, the sale of shares of the Issuer owned by such entity of which they are a partner. |
| (e) | Not applicable. |
| Item 6. | Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer |
The Reporting Persons and certain of the Issuer's other investors entered into the Amended and Restated Investors' Rights Agreement, dated February 14, 2025 (the Rights Agreement). The stockholders party thereto are entitled to certain registration rights, including the right to demand that the Issuer file a registration statement or request that their shares be covered by a registration statement that the Issuer is otherwise filing. The terms and provisions of the Rights Agreement are described more fully in the Issuer's Registration Statement on Form S-1 (File No. 333-292633) and declared effective by the Commission on January 30, 2026 (the Registration Statement), and the above summary is qualified by reference to such description and the full text of the Rights Agreement, which is filed as Exhibit 2 to this Statement and is incorporated herein by reference.
In connection with the Offering, each of the Reporting Persons entered into lock-up agreements, pursuant to which the Reporting Persons have agreed, subject to certain exceptions, not to sell, transfer or otherwise convey any of the Issuer's securities held by each of the Reporting Persons for 180 days following the date of the underwriting agreement for the Offering. The terms and provisions of such lock-up agreements are described more fully in the Registration Statement, and the above summary is qualified by reference to such description and the full text of the lock-up agreement, a form of which is filed as Exhibit 3 to this Statement as attached as Exhibit A to the Underwriting Agreement filed with to the Registration Statement and is incorporated herein by reference. | |
| Item 7. | Material to be Filed as Exhibits. |
Exhibit 1: Joint Filing Agreement, dated February 12, 2026, by and among the Reporting Persons (filed herewith).
Exhibit 2: Amended and Restated Investors' Rights Agreement, dated February 14, 2025, by and among the Registrant and certain of its stockholders, (filed as Exhibit 4.3 to the Issuer's Registration Statement on Form S-1/A as filed with the Commission on January 28, 2026 (SEC File No. 333-292633) and incorporated herein by reference).
Exhibit 3: Form of Lock-Up Agreement for certain directors, officers and other stockholders of the Issuer (filed as Exhibit 1.1 to the Issuer's Registration Statement on Form S-1/A as filed with the Commission on January 28, 2026 (SEC File No. 333-292633) and incorporated herein by reference).
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| SIGNATURE | |
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
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(b)