Insider filing · EMN
Mark J Costa
CEO & Board Chair
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Eastman Chemical Company
EMN · Basic Materials · 26 filings in 24 months
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Mark J Costa sold $484K of Eastman Chemical (EMN)
Executed Feb 26 2025, disclosed Feb 28 2025, 2 days later.
Value, as filed
$484K
4,834 sh × $100.08
Executed
Feb 26 2025
the trade date, as filed
Disclosed
Feb 28 2025
2 days after the trade
Return, 21 sessionsiFrom the disclosed entry session; derived
–
purchases only
Returns are measured on stock purchases only.
The filer
MCMark 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.
The name
EMNBasic 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→Other filings by Mark J Costa in EMN
EMNPURCHASE
Eastman Chemical Company
$502K7,400 sh × $67.89
Exec Aug 27 2025
Filed Aug 28 2025 · 4:01 PM ET EMNSALE Eastman Chemical Company $1.9M
18,278 sh × $105.00
Exec Nov 29 2024
Filed Dec 3 2024 · 5:30 PM ET EMNSALE Eastman Chemical Company $9.4M
89,732 sh across 2 lots
Exec Nov 26 2024
Filed Nov 27 2024 · 5:30 PM ET