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$ATI

$179.93 +$1.45 (0.81%)

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Insider Transactions

Insider Transaction Summary

Niyazi KACIRA,

800,000 shares

Net: 0 B/S: -

Maria Pui-Ching AU,

600,000 shares

Net: 0 B/S: -

RICHARD J HARSHMAN

515,861 shares

Net: 0 B/S: -

ROBERT S WETHERBEE

317,188 shares

Net: +386,998 B/S: 5.98

Kimberly A Fields

313,798 shares

Net: +27,887 B/S: 1.85

DONALD P NEWMAN

286,356 shares

Net: 0 B/S: -

Harold Tan,

200,000 shares

Net: 0 B/S: -

John D Sims

183,909 shares

Net: 0 B/S: -

Timothy J Harris

171,429 shares

Net: +6,868 B/S: 1.9

Elizabeth C Powers

167,578 shares

Net: 0 B/S: -

Hunter R Dalton

160,884 shares

Net: 0 B/S: -

Kevin B Kramer

160,338 shares

Net: 0 B/S: -

Elliot S Davis

123,927 shares

Net: 0 B/S: -

Patrick J DeCourcy

107,576 shares

Net: 0 B/S: -

J BRETT HARVEY

98,866 shares

Net: 0 B/S: -

James Robert Foster

75,014 shares

Net: +26,939 B/S: ∞

Carolyn Corvi

70,241 shares

Net: 0 B/S: -

JAMES E ROHR

66,968 shares

Net: 0 B/S: -

Karl D Schwartz

62,833 shares

Net: 0 B/S: -

Vaishali S. Bhatia

58,420 shares

Net: +4,536 B/S: ∞

John R Pipski

53,420 shares

Net: 0 B/S: -

JAMES C DIGGS

46,591 shares

Net: 0 B/S: -

David J Morehouse

43,492 shares

Net: -8,985 B/S: -

JOHN D TURNER

43,418 shares

Net: 0 B/S: -

Herbert J Carlisle

36,651 shares

Net: 0 B/S: -

Marianne Kah

34,170 shares

Net: 0 B/S: -

David P Hess

34,040 shares

Net: 0 B/S: -

BARABARA S JEREMIAH

33,833 shares

Net: 0 B/S: -

M LEROY BALL

33,832 shares

Net: -535 B/S: -

LOUIS J THOMAS

26,239 shares

Net: 0 B/S: -

Tina Killough Busch

21,274 shares

Net: -4,720 B/S: -

Jimmy Jr. Williams

11,620 shares

Net: 0 B/S: -

Michael Benjamin Miller

7,639 shares

Net: +1,776 B/S: ∞

Ruby Sharma

6,380 shares

Net: 0 B/S: -

Netta Washington

3,398 shares

Net: 0 B/S: -

Jean Lydon-Rodgers

631 shares

Net: +631 B/S: ∞

Elizabeth Hefley Lund

631 shares

Net: +631 B/S: ∞

DIANE C CREEL

0 shares

Net: 0 B/S: -

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
Niyazi KACIRA,	800,000	0	-
Maria Pui-Ching AU,	600,000	0	-
RICHARD J HARSHMAN	515,861	0	-
ROBERT S WETHERBEE	317,188	+386,998	5.98
Kimberly A Fields	313,798	+27,887	1.85
DONALD P NEWMAN	286,356	0	-
Harold Tan,	200,000	0	-
John D Sims	183,909	0	-
Timothy J Harris	171,429	+6,868	1.9
Elizabeth C Powers	167,578	0	-
Hunter R Dalton	160,884	0	-
Kevin B Kramer	160,338	0	-
Elliot S Davis	123,927	0	-
Patrick J DeCourcy	107,576	0	-
J BRETT HARVEY	98,866	0	-
James Robert Foster	75,014	+26,939	∞
Carolyn Corvi	70,241	0	-
JAMES E ROHR	66,968	0	-
Karl D Schwartz	62,833	0	-
Vaishali S. Bhatia	58,420	+4,536	∞
John R Pipski	53,420	0	-
JAMES C DIGGS	46,591	0	-
David J Morehouse	43,492	-8,985	-
JOHN D TURNER	43,418	0	-
Herbert J Carlisle	36,651	0	-
Marianne Kah	34,170	0	-
David P Hess	34,040	0	-
BARABARA S JEREMIAH	33,833	0	-
M LEROY BALL	33,832	-535	-
LOUIS J THOMAS	26,239	0	-
Tina Killough Busch	21,274	-4,720	-
Jimmy Jr. Williams	11,620	0	-
Michael Benjamin Miller	7,639	+1,776	∞
Ruby Sharma	6,380	0	-
Netta Washington	3,398	0	-
Jean Lydon-Rodgers	631	+631	∞
Elizabeth Hefley Lund	631	+631	∞
DIANE C CREEL	0	0	-

Individual Transactions

March 20, 2026

Vaishali S. Bhatia

Tax Payment

Change: -3,509

Price: $143.95

Shares: 58,420

Value: -$505,120

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Vaishali S. Bhatia	Mar 24	Tax Payment (F) Tax Payment	58,420	-3,509	$143.95	-$505,120

March 09, 2026

David J Morehouse

Open Market Sale

Change: -1,285

Price: $153.11

Shares: 43,492

Value: -$196,746

Insider	Filing Date	Transaction	Shares	Change	Price	Value
David J Morehouse	Mar 11	Open Market Sale (S) Market Sale	43,492	-1,285	$153.11	-$196,746

March 02, 2026

Michael Benjamin Miller

Tax Payment

Change: -413

Price: $164.00

Shares: 7,639

Value: -$67,732

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Michael Benjamin Miller	Mar 03	Tax Payment (F) Tax Payment	7,639	-413	$164.00	-$67,732

February 17, 2026

M LEROY BALL

Gift

Change: -350

Price: $0.00

Shares: 33,832

Value: -$0

ROBERT S WETHERBEE

Open Market Sale

Change: -12,435

Price: $144.01

Shares: 317,188

Value: -$1,790,764

Insider	Filing Date	Transaction	Shares	Change	Price	Value
M LEROY BALL	Feb 19	Gift (G) Non-Market Transfer	33,832	-350	$0.00	-$0
ROBERT S WETHERBEE	Feb 19	Open Market Sale (S) Market Sale	317,188	-12,435	$144.01	-$1,790,764

February 10, 2026

ROBERT S WETHERBEE

Open Market Sale

Change: -10,438

Price: $146.67

Shares: 269,623

Value: -$1,530,941

Insider	Filing Date	Transaction	Shares	Change	Price	Value
ROBERT S WETHERBEE	Feb 19	Open Market Sale (S) Market Sale	269,623	-10,438	$146.67	-$1,530,941

January 05, 2026

Timothy J Harris

Grant/Award Acquisition

Change: +2,677

Price: $0.00

Shares: 100,987

Value: +$0

Timothy J Harris

Tax Payment

Change: -30,918

Price: $121.08

Shares: 140,511

Value: -$3,743,551

Timothy J Harris

Option Exercise/Conversion

Change: +70,442

Price: $0.00

Shares: 171,429

Value: +$0

Kimberly A Fields

Grant/Award Acquisition

Change: +12,510

Price: $0.00

Shares: 215,178

Value: +$0

James Robert Foster

Option Exercise/Conversion

Change: +42,265

Price: $0.00

Shares: 75,014

Value: +$0

James Robert Foster

Tax Payment

Change: -18,453

Price: $121.08

Shares: 56,561

Value: -$2,234,289

James Robert Foster

Grant/Award Acquisition

Change: +3,127

Price: $0.00

Shares: 32,749

Value: +$0

ROBERT S WETHERBEE

Option Exercise/Conversion

Change: +362,644

Price: $0.00

Shares: 186,538

Value: +$0

ROBERT S WETHERBEE

Tax Payment

Change: -69,369

Price: $121.08

Shares: 293,275

Value: -$8,399,198

ROBERT S WETHERBEE

Grant/Award Acquisition

Change: +185,276

Price: $0.00

Shares: 478,551

Value: +$0

Michael Benjamin Miller

Tax Payment

Change: -374

Price: $121.08

Shares: 8,052

Value: -$45,283

Michael Benjamin Miller

Grant/Award Acquisition

Change: +854

Price: $0.00

Shares: 8,426

Value: +$0

Kimberly A Fields

Option Exercise/Conversion

Change: +98,620

Price: $0.00

Shares: 313,798

Value: +$0

Kimberly A Fields

Tax Payment

Change: -38,871

Price: $121.08

Shares: 274,927

Value: -$4,706,500

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Timothy J Harris	Jan 07	Grant/Award Acquisition (A) Compensation/Award	100,987	+2,677	$0.00	+$0
Timothy J Harris	Jan 07	Tax Payment (F) Tax Payment	140,511	-30,918	$121.08	-$3,743,551
Timothy J Harris	Jan 07	Option Exercise/Conversion (M) Compensation/Award	171,429	+70,442	$0.00	+$0
Kimberly A Fields	Jan 07	Grant/Award Acquisition (A) Compensation/Award	215,178	+12,510	$0.00	+$0
James Robert Foster	Jan 23	Option Exercise/Conversion (M) Compensation/Award	75,014	+42,265	$0.00	+$0
James Robert Foster	Jan 23	Tax Payment (F) Tax Payment	56,561	-18,453	$121.08	-$2,234,289
James Robert Foster	Jan 23	Grant/Award Acquisition (A) Compensation/Award	32,749	+3,127	$0.00	+$0
ROBERT S WETHERBEE	Jan 07	Option Exercise/Conversion (M) Compensation/Award	186,538	+362,644	$0.00	+$0
ROBERT S WETHERBEE	Jan 07	Tax Payment (F) Tax Payment	293,275	-69,369	$121.08	-$8,399,198
ROBERT S WETHERBEE	Jan 07	Grant/Award Acquisition (A) Compensation/Award	478,551	+185,276	$0.00	+$0
Michael Benjamin Miller	Jan 07	Tax Payment (F) Tax Payment	8,052	-374	$121.08	-$45,283
Michael Benjamin Miller	Jan 07	Grant/Award Acquisition (A) Compensation/Award	8,426	+854	$0.00	+$0
Kimberly A Fields	Jan 07	Option Exercise/Conversion (M) Compensation/Award	313,798	+98,620	$0.00	+$0
Kimberly A Fields	Jan 07	Tax Payment (F) Tax Payment	274,927	-38,871	$121.08	-$4,706,500