Stephen R Tritch

Insider

First SEC filing: May 8, 2009 · Latest: Jan. 24, 2018

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

KOP selling Nov. 19, 2024

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 29 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

29 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 2, 2025	KOP	M	17	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 2, 2025	KOP	M	17	—	—	47,754 Direct	+0.04%	Acquired	(price as of 2026-08-20)
March 24, 2025	KOP	A	17	—	—	17 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 19, 2024	KOP	S	3,533	$37.08	$131,004	47,737 Direct	-6.89%	Disposed	23.0% (price as of 2026-08-20)
May 2, 2024	KOP	M	20	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 2, 2024	KOP	A	2,079	—	—	51,270 Direct	+4.23%	Acquired	(price as of 2026-08-20)
May 2, 2024	KOP	M	20	—	—	49,191 Direct	+0.04%	Acquired	(price as of 2026-08-20)
March 25, 2024	KOP	A	20	—	—	20 Direct	—	Acquired	(price as of 2026-08-20)
May 4, 2023	KOP	M	37	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 4, 2023	KOP	A	3,513	—	—	49,171 Direct	+7.69%	Acquired	(price as of 2026-08-20)
May 4, 2023	KOP	M	37	—	—	45,658 Direct	+0.08%	Acquired	(price as of 2026-08-20)
April 27, 2023	KOP	A	37	—	—	37 Direct	—	Acquired	(price as of 2026-08-20)
May 5, 2022	KOP	A	4,326	—	—	45,621 Direct	+10.48%	Acquired	(price as of 2026-08-20)
May 6, 2021	KOP	A	3,078	—	—	41,295 Direct	+8.05%	Acquired	(price as of 2026-08-20)
May 6, 2020	KOP	A	8,434	—	—	38,217 Direct	+28.32%	Acquired	(price as of 2026-08-20)
May 2, 2019	KOP	A	3,936	—	—	29,783 Direct	+15.23%	Acquired	(price as of 2026-08-20)
May 8, 2018	KOP	A	2,430	—	—	25,847 Direct	+10.38%	Acquired	(price as of 2026-08-20)
May 10, 2017	KOP	A	2,442	—	—	28,086 Direct	+9.52%	Acquired	(price as of 2026-08-20)
May 11, 2016	KOP	A	3,752	—	—	25,644 Direct	+17.14%	Acquired	(price as of 2026-08-20)
Nov. 30, 2015	KOP	S	6,381	$22.68	$144,721	21,892 Direct	-22.57%	Disposed	101.1% (price as of 2026-08-20)
May 13, 2015	KOP	A	3,195	—	—	28,273 Direct	+12.74%	Acquired	(price as of 2026-08-20)
April 22, 2015	KOP	A	52	—	—	25,078 Direct	+0.21%	Acquired	(price as of 2026-08-20)
March 3, 2015	KOP	P	9,381	$16.94	$158,914	25,026 Direct	+59.96%	Acquired	169.3% (price as of 2026-08-20)
May 8, 2014	KOP	A	2,264	—	—	15,645 Direct	+16.92%	Acquired	(price as of 2026-08-20)
April 22, 2014	KOP	A	49	—	—	13,381 Direct	+0.37%	Acquired	(price as of 2026-08-20)
May 9, 2013	KOP	A	2,054	—	—	13,332 Direct	+18.21%	Acquired	(price as of 2026-08-20)
April 19, 2013	KOP	A	55	—	—	11,278 Direct	+0.49%	Acquired	(price as of 2026-08-20)
May 10, 2012	KOP	A	2,138	—	—	11,223 Direct	+23.53%	Acquired	(price as of 2026-08-20)
April 23, 2012	KOP	A	53	—	—	9,085 Direct	+0.59%	Acquired	(price as of 2026-08-20)
May 11, 2011	KOP	A	2,032	—	—	9,032 Direct	+29.03%	Acquired	(price as of 2026-08-20)
May 5, 2010	KOP	A	3,000	—	—	7,000 Direct	+75.00%	Acquired	(price as of 2026-08-20)
May 19, 2009	KOP	P	900	$23.52	$21,168	3,900 Direct	+30.00%	Acquired	93.9% (price as of 2026-08-20)
May 19, 2009	KOP	P	100	$23.53	$2,353	4,000 Direct	+2.56%	Acquired	93.9% (price as of 2026-08-20)
May 6, 2009	KOP	A	3,000	—	—	3,000 Direct	—	Acquired	(price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
May 2, 2025	KOP	Dividend Equivalent Rights	Common Stock (17)	—	—	17	Disposed
March 24, 2025	KOP	Dividend Equivalent Rights	Common Stock (17)	—	—	17	Acquired
May 2, 2024	KOP	Dividend Equivalent Rights	Common Stock (20)	—	—	20	Disposed
March 25, 2024	KOP	Dividend Equivalent Rights	Common Stock (20)	—	—	20	Acquired
May 4, 2023	KOP	Dividend Equivalent Rights	Common Stock (37)	—	—	37	Disposed
April 27, 2023	KOP	Dividend Equivalent Rights	Common Stock (37)	—	—	37	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 1 holding

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
May 8, 2009	KOP	No securities are beneficially owned.	0	Direct