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CCCC · Current Report (Form 8-K) · Filed January 14, 2026

C4 Therapeutics Inc — Current Report (Form 8-K)

Form
8-K
Filed
January 14, 2026
Period
Jan 14, 2026
Ticker
CCCC
Accession
0001628280-26-002010
Boardroom Alpha · Filing insights

C4 Therapeutics issues a January 14, 2026 press release detailing milestones through 2028 and recent achievements.

About C4 Therapeutics Inc
Market cap
$480M
1Y TSR
+128.7%
3Y TSR
+2.1%
Board grade
C-
Sector
Healthcare
CEO
Andrew Hirsch
Last annual meeting: Jun 24, 2026 · View full C4 Therapeutics Inc profile →
cccc-20260114

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
_________________________________________________________________
FORM 8-K
_________________________________________________________________
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): January 14, 2026
_________________________________________________________________
C4 THERAPEUTICS, INC.
(Exact name of Registrant as Specified in Its Charter)
_________________________________________________________________
Delaware001-3956747-5617627
(State or Other Jurisdiction
of Incorporation)
(Commission File Number)
(IRS Employer
Identification No.)
490 Arsenal Way,   Suite 120
Watertown,  MA
02472
(Address of Principal Executive Offices)(Zip Code)
Registrant’s Telephone Number, Including Area Code: (617) 231-0700
Not Applicable
(Former Name or Former Address, if Changed Since Last Report)
_________________________________________________________________
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
oWritten communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
oSoliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
oPre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
oPre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
Title of each class
Trading
Symbol(s)
Name of each exchange on which registered
Common Stock, $0.0001 par value per shareCCCCThe Nasdaq Global Select Market
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).
Emerging growth company o
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o
 



Item 7.01 Regulation FD Disclosure.
On January 14, 2026, C4 Therapeutics, Inc. (the “Company”) issued a press release outlining milestones through 2028 and highlighting recent achievements. A copy of the press release is furnished herewith as Exhibit 99.1 to this Current Report on Form 8-K.
The information in Item 7.01 of this Current Report on Form 8-K, including Exhibit 99.1 attached hereto, is being furnished and shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section, nor shall it be deemed subject to the requirements of amended Item 10 of Regulation S-K, nor shall it be deemed incorporated by reference into any filing of the Company under the Securities Act of 1933, as amended, whether made before or after the date hereof, regardless of any general incorporation language in such filing. The furnishing of this information hereby shall not be deemed an admission as to the materiality of any such information.
Item 9.01 Financial Statements and Exhibits.
(d) Exhibits. The exhibits shall be deemed to be filed or furnished, depending on the relevant item requiring such exhibit, in accordance with the provisions of Item 601 of Regulation S-K (17 CFR 229.601) and Instruction B.2 to this form.
Exhibit
Number
Description
99.1
104Cover Page Interactive Data File (embedded within the Inline XBRL document)



SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
C4 Therapeutics, Inc.
Date: January 14, 2026
By:/s/ Kendra R. Adams
Kendra R. Adams
Chief Financial Officer and Treasurer

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Reference

Frequently asked questions

When did C4 Therapeutics Inc file this 8-K?
C4 Therapeutics Inc (CCCC) filed this Current Report (Form 8-K) with the SEC on January 14, 2026. The accession number assigned by EDGAR is 0001628280-26-002010.
What does an 8-K disclose?
Form 8-K is the SEC's current-report form, used to disclose material events between periodic reports (10-K / 10-Q). Triggers include CEO/CFO departures, acquisitions, bankruptcies, earnings releases, auditor changes, changes in fiscal year, and amendments to corporate governance. Each 8-K is keyed to one or more Item numbers (1.01 through 9.01).
What is the key takeaway from this filing?
C4 Therapeutics issues a January 14, 2026 press release detailing milestones through 2028 and recent achievements. This is Boardroom Alpha's one-line summary of the current report; see the full filing text above for the formal disclosure.
What Item codes does an 8-K cover?
An 8-K's Item codes (1.01 through 9.01) specify what kind of event is being disclosed — e.g. Item 1.01 for entering a material agreement, Item 5.02 for departure/election of directors and executive officers, Item 8.01 for other events. The Item codes for this 8-K appear in the filing text above.
Where can I find C4 Therapeutics Inc's prior current reports on EDGAR?
The SEC EDGAR browser lists every 8-K C4 Therapeutics Inc has filed under CIK 1662579, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.
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