Nichtberger Steven — SEC Form 4 Insider Trading Activity
Summary
Updated Jul 16, 2026
Nichtberger Steven is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market purchases: $101K.
Profile
Steven Nichtberger is the President and Chief Executive Officer of Cabaletta Bio, Inc., a clinical-stage biotechnology company focused on engineered T cell therapies (CAART) for B cell-mediated autoimmune diseases. In the most recent SEC filing dated January 21, 2026 (CIK 0001487989), he is listed as a corporate insider with no reported stock purchases or sales, indicating his leadership role and ongoing involvement with the company.
Role
Insider
Notability
60/100
Board memberships
Cabaletta Bio, Inc.
Awards & honors
Leading Cabaletta Bio's clinical development strategy for CAART-based therapies
Guiding corporate governance and investor relations as CEO
Overseeing development of CAART platform targeting B cell-mediated autoimmune diseases
Steven Nichtberger is the President and Chief Executive Officer of Cabaletta Bio, Inc., a clinical-stage biotechnology company focused on engineered T cell therapies (CAART) for B cell-mediated autoimmune diseases. In the most recent SEC filing dated January 21, 2026 (CIK 0001487989), he is listed as a corporate insider with no reported stock purchases or sales, indicating his …
Has Nichtberger Steven been buying or selling stock?
Recorded transactions: 1 open-market purchases ($101K) and 0 open-market sales () across all tracked filings.
Where can I see all of Nichtberger Steven's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
