As filed with the Securities and Exchange Commission on February 12, 2024. Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 FibroBiologics, Inc. (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial Classification Code Number) Delaware 2834 86-3329066 (I.R.S. Employer Identification Number) 455 E. Medical Ce ...

Table of Contents As filed with the Securities and Exchange Commission on February 6, 2024. Registration No. 333-276523 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 2 to FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Delaware 2836 83-1365441 (Primary Standard Industrial Classification Code Number) 5980 Horton St., STE 550 Emeryville, CA 94608 (510) 925-2492 (I.R.S. Employer Identification Number) (Address, including zip code, and telephone number, i ...

As filed with the Securities and Exchange Commission on January 23, 2024. Registration No. 333-275361 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 7 to FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 FibroBiologics, Inc. (Exact name of registrant as specified in its charter) (State or other jurisdiction of (Primary Standard Industrial Delaware 2834 86-3329066 (I.R.S. Employer Identification Number) 455 E. Medical Center Blvd. Suite 300 Houston, Texas ...

Table of Contents As filed with the Securities and Exchange Commission on January 16, 2024. Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 KYVERNA THERAPEUTICS, INC. (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) Delaware 2836 83-1365441 (Primary Standard Industrial Classification Code Number) 5980 Horton St., STE 550 (I.R.S. E ...

As filed with the Securities and Exchange Commission on January 12, 2024. Registration No. 333-275361 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 5 to FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 FibroBiologics, Inc. (Exact name of registrant as specified in its charter) (State or other jurisdiction of (Primary Standard Industrial Delaware 2834 86-3329066 (I.R.S. Employer Identification Number) 455 E. Medical Center Blvd. Suite 300 Houston, Texas ...

As filed with the Securities and Exchange Commission on December 1, 2023. Registration No. 333-275361 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 3 to FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 FibroBiologics, Inc. (Exact name of registrant as specified in its charter) Delaware 2834 86-3329066 (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Identification N ...

As filed with the Securities and Exchange Commission on November 27, 2023. Registration No. 333-275361 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 2 to FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 FibroBiologics, Inc. (Exact name of registrant as specified in its charter) Delaware 2834 86-3329066 (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Identification ...

As filed with the Securities and Exchange Commission on November 27, 2023. Registration No. 333-275361 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 1 to FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 FibroBiologics, Inc. (Exact name of registrant as specified in its charter) Delaware 2834 86-3329066 (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial Classification Code Number) (I.R.S. Employer Identification ...

As filed with the Securities and Exchange Commission on November 7, 2023. Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 FibroBiologics, Inc. (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) (Primary Standard Industrial Classification Code Number) Delaware 2834 86-3329066 (I.R.S. Employer Identification Number) 455 E. Medical Cen ...