Understand Stock

$KOP

$49.15 +$0.13 (0.27%)

Deep Research with AI Research

Overview

$KOP Overview Financials SEC Filings Executives News

Specialized Tools

Valuations P Insider Transactions P Congressional Trades P

Insider Transactions

Insider Transaction Summary

M LEROY BALL

444,096 shares

Net: +102,938 B/S: 22.58

R. Michael Johnson

209,073 shares

Net: 0 B/S: -

Walter W Turner

204,232 shares

Net: 0 B/S: -

James A. Sullivan

178,987 shares

Net: +35,245 B/S: ∞

Mark R McCormack

84,687 shares

Net: 0 B/S: -

ALBERT J NEUPAVER

83,834 shares

Net: +100 B/S: ∞

Stephanie L Apostolou

66,299 shares

Net: +14,431 B/S: ∞

MICHAEL ZUGAY

64,689 shares

Net: 0 B/S: -

Leslie S Hyde

63,620 shares

Net: 0 B/S: -

Thomas D Loadman

48,138 shares

Net: 0 B/S: -

Stephen R Tritch

47,754 shares

Net: 0 B/S: -

Jimmi Sue Smith

46,504 shares

Net: +589 B/S: ∞

LOUIS L TESTONI

45,778 shares

Net: 0 B/S: -

Bradley A Pearce

43,037 shares

Net: +12,323 B/S: ∞

Stephen G Lucas

38,189 shares

Net: +12,235 B/S: ∞

T MICHAEL YOUNG

35,516 shares

Net: 0 B/S: -

Daniel J Skrovanek

34,854 shares

Net: 0 B/S: -

Steven R Lacy

34,124 shares

Net: 0 B/S: -

TRACI L JENSEN

32,059 shares

Net: +3,380 B/S: ∞

Louann E Tronsberg-Deihle

26,495 shares

Net: 0 B/S: -

Xudong Feng

26,489 shares

Net: -2,299 B/S: ∞

CHRISTIAN A NIELSEN

23,741 shares

Net: 0 B/S: -

Cynthia A Baldwin

20,976 shares

Net: 0 B/S: -

David M Hillenbrand

18,864 shares

Net: 0 B/S: -

Tushar Lovalekar

18,220 shares

Net: +3,623 B/S: ∞

SONJA MICHELLE WILKERSON

17,976 shares

Net: +3,386 B/S: ∞

Markus G Spiess

17,256 shares

Net: 0 B/S: -

Stephen C Reeder

13,915 shares

Net: 0 B/S: -

JIANZHONG ZHU

13,523 shares

Net: 0 B/S: -

DAVID L MOTLEY

13,198 shares

Net: +3,436 B/S: ∞

Nishan J. Vartanian

10,664 shares

Net: +3,380 B/S: ∞

Joseph P Dowd

10,300 shares

Net: 0 B/S: -

Andrew D Sandifer

10,137 shares

Net: +3,342 B/S: ∞

Kevin Washington

7,951 shares

Net: 0 B/S: -

Eric D. Brenner

6,620 shares

Net: +6,620 B/S: ∞

DANIEL R GROVES

5,686 shares

Net: 0 B/S: -

Douglas J Fenwick

2,947 shares

Net: 0 B/S: -

Laura J Posadas

2,251 shares

Net: +5,542 B/S: ∞

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
M LEROY BALL	444,096	+102,938	22.58
R. Michael Johnson	209,073	0	-
Walter W Turner	204,232	0	-
James A. Sullivan	178,987	+35,245	∞
Mark R McCormack	84,687	0	-
ALBERT J NEUPAVER	83,834	+100	∞
Stephanie L Apostolou	66,299	+14,431	∞
MICHAEL ZUGAY	64,689	0	-
Leslie S Hyde	63,620	0	-
Thomas D Loadman	48,138	0	-
Stephen R Tritch	47,754	0	-
Jimmi Sue Smith	46,504	+589	∞
LOUIS L TESTONI	45,778	0	-
Bradley A Pearce	43,037	+12,323	∞
Stephen G Lucas	38,189	+12,235	∞
T MICHAEL YOUNG	35,516	0	-
Daniel J Skrovanek	34,854	0	-
Steven R Lacy	34,124	0	-
TRACI L JENSEN	32,059	+3,380	∞
Louann E Tronsberg-Deihle	26,495	0	-
Xudong Feng	26,489	-2,299	∞
CHRISTIAN A NIELSEN	23,741	0	-
Cynthia A Baldwin	20,976	0	-
David M Hillenbrand	18,864	0	-
Tushar Lovalekar	18,220	+3,623	∞
SONJA MICHELLE WILKERSON	17,976	+3,386	∞
Markus G Spiess	17,256	0	-
Stephen C Reeder	13,915	0	-
JIANZHONG ZHU	13,523	0	-
DAVID L MOTLEY	13,198	+3,436	∞
Nishan J. Vartanian	10,664	+3,380	∞
Joseph P Dowd	10,300	0	-
Andrew D Sandifer	10,137	+3,342	∞
Kevin Washington	7,951	0	-
Eric D. Brenner	6,620	+6,620	∞
DANIEL R GROVES	5,686	0	-
Douglas J Fenwick	2,947	0	-
Laura J Posadas	2,251	+5,542	∞

Individual Transactions

June 03, 2026

Xudong Feng

Gift

Change: -5,695

Price: $0.00

Shares: 26,489

Value: -$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Xudong Feng	Jun 04	Gift (G) Non-Market Transfer	26,489	-5,695	$0.00	-$0

May 26, 2026

Eric D. Brenner

Grant/Award Acquisition

Change: +6,620

Price: $0.00

Shares: 6,620

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Eric D. Brenner	May 27	Grant/Award Acquisition (A) Compensation/Award	6,620	+6,620	$0.00	+$0

May 13, 2026

M LEROY BALL

Open Market Sale

Change: -2,659

Price: $42.55

Shares: 444,096

Value: -$113,140

Insider	Filing Date	Transaction	Shares	Change	Price	Value
M LEROY BALL	May 14	Open Market Sale (S) Market Sale	444,096	-2,659	$42.55	-$113,140

May 12, 2026

Bradley A Pearce

Grant/Award Acquisition

Change: +5,000

Price: $0.00

Shares: 43,037

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Bradley A Pearce	May 14	Grant/Award Acquisition (A) Compensation/Award	43,037	+5,000	$0.00	+$0

May 07, 2026

ALBERT J NEUPAVER

Option Exercise/Conversion

Change: +50

Price: $0.00

Shares: 83,834

Value: +$0

SONJA MICHELLE WILKERSON

Grant/Award Acquisition

Change: +3,280

Price: $0.00

Shares: 17,976

Value: +$0

Xudong Feng

Grant/Award Acquisition

Change: +3,280

Price: $0.00

Shares: 32,184

Value: +$0

TRACI L JENSEN

Grant/Award Acquisition

Change: +3,280

Price: $0.00

Shares: 35,339

Value: +$0

TRACI L JENSEN

Option Exercise/Conversion

Change: +50

Price: $0.00

Shares: 32,059

Value: +$0

Nishan J. Vartanian

Option Exercise/Conversion

Change: +50

Price: $0.00

Shares: 7,384

Value: +$0

Nishan J. Vartanian

Grant/Award Acquisition

Change: +3,280

Price: $0.00

Shares: 10,664

Value: +$0

DAVID L MOTLEY

Option Exercise/Conversion

Change: +50

Price: $0.00

Shares: 22,044

Value: +$0

DAVID L MOTLEY

Grant/Award Acquisition

Change: +3,280

Price: $0.00

Shares: 13,198

Value: +$0

Andrew D Sandifer

Grant/Award Acquisition

Change: +3,280

Price: $0.00

Shares: 10,137

Value: +$0

Laura J Posadas

Grant/Award Acquisition

Change: +3,280

Price: $0.00

Shares: 5,531

Value: +$0

Laura J Posadas

Option Exercise/Conversion

Change: +11

Price: $0.00

Shares: 2,251

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
ALBERT J NEUPAVER	May 11	Option Exercise/Conversion (M) Compensation/Award	83,834	+50	$0.00	+$0
SONJA MICHELLE WILKERSON	May 11	Grant/Award Acquisition (A) Compensation/Award	17,976	+3,280	$0.00	+$0
Xudong Feng	May 11	Grant/Award Acquisition (A) Compensation/Award	32,184	+3,280	$0.00	+$0
TRACI L JENSEN	May 11	Grant/Award Acquisition (A) Compensation/Award	35,339	+3,280	$0.00	+$0
TRACI L JENSEN	May 11	Option Exercise/Conversion (M) Compensation/Award	32,059	+50	$0.00	+$0
Nishan J. Vartanian	May 11	Option Exercise/Conversion (M) Compensation/Award	7,384	+50	$0.00	+$0
Nishan J. Vartanian	May 11	Grant/Award Acquisition (A) Compensation/Award	10,664	+3,280	$0.00	+$0
DAVID L MOTLEY	May 11	Option Exercise/Conversion (M) Compensation/Award	22,044	+50	$0.00	+$0
DAVID L MOTLEY	May 11	Grant/Award Acquisition (A) Compensation/Award	13,198	+3,280	$0.00	+$0
Andrew D Sandifer	May 11	Grant/Award Acquisition (A) Compensation/Award	10,137	+3,280	$0.00	+$0
Laura J Posadas	May 11	Grant/Award Acquisition (A) Compensation/Award	5,531	+3,280	$0.00	+$0
Laura J Posadas	May 11	Option Exercise/Conversion (M) Compensation/Award	2,251	+11	$0.00	+$0

March 23, 2026

Laura J Posadas

Grant/Award Acquisition

Change: +11

Price: $0.00

Shares: 11

Value: +$0

Nishan J. Vartanian

Grant/Award Acquisition

Change: +50

Price: $0.00

Shares: 50

Value: +$0

TRACI L JENSEN

Grant/Award Acquisition

Change: +50

Price: $0.00

Shares: 50

Value: +$0

ALBERT J NEUPAVER

Grant/Award Acquisition

Change: +50

Price: $0.00

Shares: 50

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Laura J Posadas	Mar 25	Grant/Award Acquisition (A) Compensation/Award	11	+11	$0.00	+$0
Nishan J. Vartanian	Mar 25	Grant/Award Acquisition (A) Compensation/Award	50	+50	$0.00	+$0
TRACI L JENSEN	Mar 25	Grant/Award Acquisition (A) Compensation/Award	50	+50	$0.00	+$0
ALBERT J NEUPAVER	Mar 25	Grant/Award Acquisition (A) Compensation/Award	50	+50	$0.00	+$0