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$COSO

$25.34 -$0.42 (1.63%)

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$COSO Overview Financials SEC Filings Executives News

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Valuations P Insider Transactions P Congressional Trades P

Insider Transactions

Insider Transaction Summary

Stephen R. Stone

137,385 shares

Net: +26,378 B/S: ∞

Anthony P. Valduga

94,514 shares

Net: +20,659 B/S: ∞

Boris Gutin

18,284 shares

Net: +11,000 B/S: ∞

Lauren M. Hemby

14,250 shares

Net: +11,319 B/S: ∞

Cameron Bradley Turner

10,000 shares

Net: +5,331 B/S: ∞

JAMES S MACLEOD

1,189 shares

Net: +11,189 B/S: ∞

MARK GRIFFITH

987 shares

Net: +987 B/S: ∞

L. Scott Askins

927 shares

Net: +3,252 B/S: ∞

Joseph V. Jr. Topper

927 shares

Net: +100,927 B/S: ∞

JOHN G JR ALDRIDGE

927 shares

Net: +5,927 B/S: ∞

MICHAEL B HIGH

868 shares

Net: +2,368 B/S: ∞

James N. Jr. Richardson

868 shares

Net: +20,868 B/S: ∞

PATRICK M FRAWLEY

868 shares

Net: +5,518 B/S: ∞

Ernst W. Bruderer

868 shares

Net: +2,868 B/S: ∞

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
Stephen R. Stone	137,385	+26,378	∞
Anthony P. Valduga	94,514	+20,659	∞
Boris Gutin	18,284	+11,000	∞
Lauren M. Hemby	14,250	+11,319	∞
Cameron Bradley Turner	10,000	+5,331	∞
JAMES S MACLEOD	1,189	+11,189	∞
MARK GRIFFITH	987	+987	∞
L. Scott Askins	927	+3,252	∞
Joseph V. Jr. Topper	927	+100,927	∞
JOHN G JR ALDRIDGE	927	+5,927	∞
MICHAEL B HIGH	868	+2,368	∞
James N. Jr. Richardson	868	+20,868	∞
PATRICK M FRAWLEY	868	+5,518	∞
Ernst W. Bruderer	868	+2,868	∞

Individual Transactions

April 27, 2026

Cameron Bradley Turner

Tax Payment

Change: -1,169

Price: $25.59

Shares: 8,831

Value: -$29,914

Cameron Bradley Turner

Option Exercise/Conversion

Change: +4,000

Price: $0.00

Shares: 10,000

Value: +$0

Anthony P. Valduga

Tax Payment

Change: -3,841

Price: $25.59

Shares: 90,673

Value: -$98,291

Anthony P. Valduga

Option Exercise/Conversion

Change: +13,000

Price: $0.00

Shares: 94,514

Value: +$0

Lauren M. Hemby

Tax Payment

Change: -1,181

Price: $25.59

Shares: 13,069

Value: -$30,221

Stephen R. Stone

Tax Payment

Change: -5,022

Price: $25.59

Shares: 132,363

Value: -$128,512

Stephen R. Stone

Option Exercise/Conversion

Change: +17,000

Price: $0.00

Shares: 137,385

Value: +$0

Lauren M. Hemby

Option Exercise/Conversion

Change: +4,000

Price: $0.00

Shares: 14,250

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Cameron Bradley Turner	Apr 29	Tax Payment (F) Tax Payment	8,831	-1,169	$25.59	-$29,914
Cameron Bradley Turner	Apr 29	Option Exercise/Conversion (M) Compensation/Award	10,000	+4,000	$0.00	+$0
Anthony P. Valduga	Apr 29	Tax Payment (F) Tax Payment	90,673	-3,841	$25.59	-$98,291
Anthony P. Valduga	Apr 29	Option Exercise/Conversion (M) Compensation/Award	94,514	+13,000	$0.00	+$0
Lauren M. Hemby	Apr 29	Tax Payment (F) Tax Payment	13,069	-1,181	$25.59	-$30,221
Stephen R. Stone	Apr 29	Tax Payment (F) Tax Payment	132,363	-5,022	$25.59	-$128,512
Stephen R. Stone	Apr 29	Option Exercise/Conversion (M) Compensation/Award	137,385	+17,000	$0.00	+$0
Lauren M. Hemby	Apr 29	Option Exercise/Conversion (M) Compensation/Award	14,250	+4,000	$0.00	+$0

March 09, 2026

Stephen R. Stone

Open Market Purchase

Change: +200

Price: $24.15

Shares: 120,385

Value: +$4,830

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Stephen R. Stone	Mar 09	Open Market Purchase (P) Market Purchase	120,385	+200	$24.15	+$4,830

February 11, 2026

MARK GRIFFITH

Grant/Award Acquisition

Change: +987

Price: $0.00

Shares: 987

Value: +$0

MICHAEL B HIGH

Grant/Award Acquisition

Change: +868

Price: $0.00

Shares: 868

Value: +$0

PATRICK M FRAWLEY

Grant/Award Acquisition

Change: +868

Price: $0.00

Shares: 868

Value: +$0

JOHN G JR ALDRIDGE

Grant/Award Acquisition

Change: +927

Price: $0.00

Shares: 927

Value: +$0

L. Scott Askins

Grant/Award Acquisition

Change: +927

Price: $0.00

Shares: 927

Value: +$0

Ernst W. Bruderer

Grant/Award Acquisition

Change: +868

Price: $0.00

Shares: 868

Value: +$0

Stephen R. Stone

Grant/Award Acquisition

Change: +12,000

Price: $0.00

Shares: 12,000

Value: +$0

James N. Jr. Richardson

Grant/Award Acquisition

Change: +868

Price: $0.00

Shares: 868

Value: +$0

Joseph V. Jr. Topper

Grant/Award Acquisition

Change: +927

Price: $0.00

Shares: 927

Value: +$0

Lauren M. Hemby

Grant/Award Acquisition

Change: +4,000

Price: $0.00

Shares: 4,000

Value: +$0

Anthony P. Valduga

Grant/Award Acquisition

Change: +10,000

Price: $0.00

Shares: 10,000

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
MARK GRIFFITH	Feb 13	Grant/Award Acquisition (A) Compensation/Award	987	+987	$0.00	+$0
MICHAEL B HIGH	Feb 13	Grant/Award Acquisition (A) Compensation/Award	868	+868	$0.00	+$0
PATRICK M FRAWLEY	Feb 13	Grant/Award Acquisition (A) Compensation/Award	868	+868	$0.00	+$0
JOHN G JR ALDRIDGE	Feb 13	Grant/Award Acquisition (A) Compensation/Award	927	+927	$0.00	+$0
L. Scott Askins	Feb 13	Grant/Award Acquisition (A) Compensation/Award	927	+927	$0.00	+$0
Ernst W. Bruderer	Feb 13	Grant/Award Acquisition (A) Compensation/Award	868	+868	$0.00	+$0
Stephen R. Stone	Feb 13	Grant/Award Acquisition (A) Compensation/Award	12,000	+12,000	$0.00	+$0
James N. Jr. Richardson	Feb 13	Grant/Award Acquisition (A) Compensation/Award	868	+868	$0.00	+$0
Joseph V. Jr. Topper	Feb 13	Grant/Award Acquisition (A) Compensation/Award	927	+927	$0.00	+$0
Lauren M. Hemby	Feb 13	Grant/Award Acquisition (A) Compensation/Award	4,000	+4,000	$0.00	+$0
Anthony P. Valduga	Feb 13	Grant/Award Acquisition (A) Compensation/Award	10,000	+10,000	$0.00	+$0