Mark J Costa

EMN

Mark J Costa serves as CEO & Board Chair at Eastman Chemical Company (EMN). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

1 trades

$502.4K

Total Sells

13 trades

$53.60M

Net Position

Net Seller

$53.10M

Companies Traded

EMN

Active Period

Feb 2021 – Feb 2026

14 total trades

Most Recent

Sell EMN

Feb 18, 2026 · $2.03M

Mark J Costa's Insider Trading at Eastman Chemical Company (EMN)

Buys

1 · $502.4K

Sells

13 · $53.60M

Total Shares Bought

7,400

Total Shares Sold

527,314

EMN Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Feb 18, 2026↗	Sell	25,260	$80.26	$2.03M	0
Feb 4, 2026↗	Sell	43,638	$78.49	$3.43M	458,997
Aug 28, 2025↗	Buy	7,400	$67.89	$502.4K	0
Feb 28, 2025↗	Sell	4,834	$100.08	$483.8K	0
Feb 20, 2025↗	Sell	30,638	$103.47	$3.17M	0
Nov 29, 2024↗	Sell	18,278	$105.00	$1.92M	395,699
Nov 26, 2024↗	Sell	89,732	$105.03	$9.42M	395,699
May 7, 2024↗	Sell	102,390	$100.78	$10.32M	395,699
Mar 1, 2024↗	Sell	12,000	$87.60	$1.05M	395,699
Feb 14, 2024↗	Sell	13,134	$82.12	$1.08M	413,415
Feb 15, 2023↗	Sell	34,891	$89.09	$3.11M	374,014
Feb 23, 2022↗	Sell	32,718	$119.03	$3.89M	315,989
Aug 12, 2021↗	Sell	45,000	$115.30	$5.19M	265,381
Feb 24, 2021↗	Sell	74,801	$113.74	$8.51M	310,881