FMR LLC and Abigail P. Johnson filed Amendment No. 3 to a Schedule 13G with the SEC on November 4, 2026, disclosing beneficial ownership of 4,908,857 shares of common stock in CAMP4 Therapeutics Corp as of September 30, 2026.

Key Highlights

  • Aggregate beneficial ownership: FMR LLC and Abigail P. Johnson each report beneficial ownership of 4,908,857 shares of CAMP4 Therapeutics Corp common stock.
  • Percent of class: The 4,908,857 shares represent 7.8% of the outstanding common stock, according to the filing.
  • Sole dispositive power: Both FMR LLC and Abigail P. Johnson report sole dispositive power over 4,908,857 shares, with zero shared dispositive power.
  • Sole voting power: FMR LLC reports sole voting power over 4,908,807 shares; Abigail P. Johnson reports sole voting power of 0 shares.
  • Triggering event date: The date of the event requiring this filing is stated as September 30, 2026.
  • Ordinary course certification: The filing certifies that the securities "were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer."

FMR LLC's Amendment No. 3 Filing on CAMP4 Therapeutics Ownership

According to the filing, FMR LLC, a Delaware-organized holding company headquartered at 245 Summer Street, Boston, Massachusetts 02210, submitted Amendment No. 3 to its Schedule 13G disclosing a 7.8% beneficial ownership position in CAMP4 Therapeutics Corp (CUSIP 13463J101). The event triggering the amendment occurred on September 30, 2026. CAMP4 Therapeutics Corp is headquartered at One Kendall Square, Building 1400 West, 3rd Floor, Cambridge, MA 02139, according to the filing.

The filing reports that FMR LLC holds sole voting power over 4,908,807 shares and sole dispositive power over 4,908,857 shares, with no shared voting or dispositive power reported. Abigail P. Johnson, identified as an individual (type "IN") and a U.S. citizen, is listed as a separate reporting person with sole dispositive power over the same 4,908,857 shares and no voting power reported directly in her name. Both reporting persons list an aggregate beneficial ownership of 4,908,857 shares, equal to 7.8% of the class.

The filing notes that "one or more other persons are known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the COMMON STOCK of CAMP4 THERAPEUTICS CORP," but states that no single other person's interest exceeds five percent of the total outstanding common stock. FMR LLC is classified as a parent holding company (type "HC") under the filing. The document was signed by Stephanie J. Brown under powers of attorney dated January 3, 2023, and January 26, 2023, respectively, on behalf of FMR LLC and Abigail P. Johnson.

What Was Disclosed

FMR LLC and Abigail P. Johnson filed Amendment No. 3 to Schedule 13G, disclosing aggregate beneficial ownership of 4,908,857 shares, or 7.8%, of CAMP4 Therapeutics Corp common stock as of September 30, 2026, with no shared voting or dispositive power reported.