secwatch / observer
CSTL CASTLE BIOSCIENCES INC
CIK 0001447362 18 ready 8-Ks latest May 29, 2026, 4:14 PM ET RSS · JSON
Activity: NORMAL 1 filings / 30d vs 1 baseline
Ready 8-Ks 18
Latest filing May 29, 2026, 4:14 PM ET
Top materiality 0.85
Event mix earnings ×13 · other_material ×3 · other ×2
Sentiment 11 pos · 1 neg · 6 neu
Latest earnings reported 2026-Q1
Executive change recent →

Recent 8-K filings for CSTL

Executive changes

Departed

Mara G. Aspinall

Director
CSTL · CASTLE BIOSCIENCES INC
Filed
March 27, 2024, 7:59 PM ET
On March 26, 2024, Mara G. Aspinall notified the Company that she will not to stand for re-election to the board of directors (the “Board”) of the Company at the expiration of her current term at the Company’s 2024 Annual Meeting of Stockholders (the “2024 Annual Meeting”).
Appointed

Rodney Cotton

Class II Director
CSTL · CASTLE BIOSCIENCES INC
Effective
2024-03-26
Filed
March 27, 2024, 7:59 PM ET
On March 26, 2024, following the recommendation of the nominating and corporate governance committee of the Board, the Board increased the size of the Board from eight to nine members and appointed Rodney Cotton to serve as a Class II director with a term ending at the 2024 Annual Meeting.

Earnings & guidance

2026-Q1 EPS reported -$0.49 filing →

Materiality & sentiment trend

Max materiality 0.85 · Median 0.75 · Most common event earnings

11 positive 1 negative 6 neutral

source · CSTL on sec.gov