Insider filing · EMN

Mark J Costa bought $502K of Eastman Chemical (EMN)

Executed Aug 27 2025, disclosed Aug 28 2025, 1 day later.

Over the 21 trading sessions from the disclosed entry session (Aug 28 2025), the stock returned -8.1% (delay-adjusted); from the execution session (Aug 27 2025), -8.6%. Derived: entry at the session's open, exit at the close 20 sessions later.

MC Mark J Costa CEO & Board Chair profile →

Mark J Costa (CEO & Board Chair) filed 4 Form 4 reports in the past 24 months (1 purchase, 3 sales), most often in Eastman Chemical Company (EMN). Across 1 priced purchase filing, the average 21-session return was -8.6% from execution and -8.1% from disclosure (delay-adjusted; derived). The largest single filing was $9.4M of EMN (89,732 sh across 2 lots, as filed), executed Nov 26 2024.

EMN Eastman Chemical Company EMN · Basic Materials · 26 filings in 24 months ticker →

Basic Materials · Eastman Chemical Company operates as a specialty materials company in the United States, China, and internationally

More Basic Materials filings→ Insider filings, newest first→ View the original filing at www.sec.gov→