secwatch / observer
TSEOF Trinseo PLC
CIK 0001519061 42 ready 8-Ks latest June 1, 2026, 4:23 PM ET RSS · JSON
Activity: ELEVATED 4 filings / 30d vs 2 baseline
Ready 8-Ks 42
Latest filing June 1, 2026, 4:23 PM ET
Top materiality 1.00
Event mix other_material ×17 · debt ×11 · earnings ×9
Sentiment 2 pos · 24 neg · 16 neu
Latest earnings ▼ miss 2026-Q1
Executive change recent →

Recent 8-K filings for TSEOF

Executive changes

Departed

Mark Tomkins

Director
TSEOF · Trinseo PLC
Filed
April 4, 2025, 7:59 PM ET
Pierre-Marie De Leener and Mark Tomkins, two members of the Board of Directors (the “Board”) of Trinseo PLC (the “Company”), notified the Company of their decision to retire from the Board and not stand for reelection at the Company’s 2025 annual general meeting of shareholders.
Departed

Pierre-Marie De Leener

Director
TSEOF · Trinseo PLC
Filed
April 4, 2025, 7:59 PM ET
Pierre-Marie De Leener and Mark Tomkins, two members of the Board of Directors (the “Board”) of Trinseo PLC (the “Company”), notified the Company of their decision to retire from the Board and not stand for reelection at the Company’s 2025 annual general meeting of shareholders.

Earnings & guidance

2026-Q1 EPS reported -$3.20 vs consensus -$2.49 ▼ miss (-28.4%) filing →

Materiality & sentiment trend

Max materiality 1.00 · Median 0.75 · Most common event other_material

2 positive 24 negative 16 neutral

source · TSEOF on sec.gov