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$ATMU

$47.15 -$0.22 (0.46%)

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Valuations P Insider Transactions P Congressional Trades P

Insider Transactions

Insider Transaction Summary

Stephanie Disher

388,676 shares

Net: +134,062 B/S: ∞

Jack Kienzler

80,936 shares

Net: +29,966 B/S: ∞

Steph Disher

61,109 shares

Net: 0 B/S: -

Renee Swan

53,311 shares

Net: +5,921 B/S: ∞

Charles Masters

46,469 shares

Net: +16,208 B/S: ∞

Stephen E. Macadam

35,969 shares

Net: 0 B/S: -

Toni Hickey

25,629 shares

Net: 0 B/S: -

Laura Heltebran

24,161 shares

Net: +3,717 B/S: ∞

GRETCHEN R HAGGERTY

23,768 shares

Net: 0 B/S: -

Jane A Leipold

17,919 shares

Net: 0 B/S: -

Roy Edwin Bennett

16,701 shares

Net: 0 B/S: -

STUART A II TAYLOR

9,078 shares

Net: 0 B/S: -

Diego Donoso

9,078 shares

Net: +40 B/S: 3.0

Tony Satterthwaite

4,012 shares

Net: 0 B/S: -

Heath Sharp

3,114 shares

Net: +614 B/S: ∞

INC CUMMINS

0 shares

Net: 0 B/S: -

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
Stephanie Disher	388,676	+134,062	∞
Jack Kienzler	80,936	+29,966	∞
Steph Disher	61,109	0	-
Renee Swan	53,311	+5,921	∞
Charles Masters	46,469	+16,208	∞
Stephen E. Macadam	35,969	0	-
Toni Hickey	25,629	0	-
Laura Heltebran	24,161	+3,717	∞
GRETCHEN R HAGGERTY	23,768	0	-
Jane A Leipold	17,919	0	-
Roy Edwin Bennett	16,701	0	-
STUART A II TAYLOR	9,078	0	-
Diego Donoso	9,078	+40	3.0
Tony Satterthwaite	4,012	0	-
Heath Sharp	3,114	+614	∞
INC CUMMINS	0	0	-

Individual Transactions

April 01, 2026

Laura Heltebran

Grant/Award Acquisition

Change: +3,717

Price: $0.00

Shares: 24,161

Value: +$0

Stephanie Disher

Grant/Award Acquisition

Change: +31,492

Price: $0.00

Shares: 388,676

Value: +$0

Charles Masters

Grant/Award Acquisition

Change: +4,130

Price: $0.00

Shares: 46,469

Value: +$0

Jack Kienzler

Grant/Award Acquisition

Change: +5,163

Price: $0.00

Shares: 80,936

Value: +$0

Renee Swan

Grant/Award Acquisition

Change: +1,962

Price: $0.00

Shares: 53,311

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Laura Heltebran	Apr 02	Grant/Award Acquisition (A) Compensation/Award	24,161	+3,717	$0.00	+$0
Stephanie Disher	Apr 02	Grant/Award Acquisition (A) Compensation/Award	388,676	+31,492	$0.00	+$0
Charles Masters	Apr 02	Grant/Award Acquisition (A) Compensation/Award	46,469	+4,130	$0.00	+$0
Jack Kienzler	Apr 02	Grant/Award Acquisition (A) Compensation/Award	80,936	+5,163	$0.00	+$0
Renee Swan	Apr 02	Grant/Award Acquisition (A) Compensation/Award	53,311	+1,962	$0.00	+$0

February 27, 2026

Stephanie Disher

Tax Payment

Change: -66,639

Price: $64.53

Shares: 373,038

Value: -$4,300,214

Charles Masters

Tax Payment

Change: -9,046

Price: $64.53

Shares: 44,470

Value: -$583,738

Jack Kienzler

Tax Payment

Change: -16,266

Price: $64.53

Shares: 79,624

Value: -$1,049,644

Renee Swan

Tax Payment

Change: -9,570

Price: $64.53

Shares: 53,603

Value: -$617,552

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Stephanie Disher	Mar 03	Tax Payment (F) Tax Payment	373,038	-66,639	$64.53	-$4,300,214
Charles Masters	Mar 03	Tax Payment (F) Tax Payment	44,470	-9,046	$64.53	-$583,738
Jack Kienzler	Mar 03	Tax Payment (F) Tax Payment	79,624	-16,266	$64.53	-$1,049,644
Renee Swan	Mar 03	Tax Payment (F) Tax Payment	53,603	-9,570	$64.53	-$617,552

February 13, 2026

Renee Swan

Grant/Award Acquisition

Change: +18,536

Price: $0.00

Shares: 63,173

Value: +$0

Jack Kienzler

Grant/Award Acquisition

Change: +41,094

Price: $0.00

Shares: 95,890

Value: +$0

Charles Masters

Grant/Award Acquisition

Change: +21,152

Price: $0.00

Shares: 53,516

Value: +$0

Stephanie Disher

Grant/Award Acquisition

Change: +169,209

Price: $0.00

Shares: 439,677

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Renee Swan	Feb 17	Grant/Award Acquisition (A) Compensation/Award	63,173	+18,536	$0.00	+$0
Jack Kienzler	Feb 17	Grant/Award Acquisition (A) Compensation/Award	95,890	+41,094	$0.00	+$0
Charles Masters	Feb 17	Grant/Award Acquisition (A) Compensation/Award	53,516	+21,152	$0.00	+$0
Stephanie Disher	Feb 17	Grant/Award Acquisition (A) Compensation/Award	439,677	+169,209	$0.00	+$0

February 05, 2026

Heath Sharp

Grant/Award Acquisition

Change: +614

Price: $0.00

Shares: 3,114

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Heath Sharp	Feb 09	Grant/Award Acquisition (A) Compensation/Award	3,114	+614	$0.00	+$0

November 18, 2025

Diego Donoso

Other Transaction

Change: +20

Price: $0.00

Shares: 9,078

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Diego Donoso	Nov 19	Other Transaction (J) Other	9,078	+20	$0.00	+$0

November 13, 2025

Diego Donoso

Open Market Sale

Change: -20

Price: $48.84

Shares: 9,058

Value: -$976

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Diego Donoso	Nov 19	Open Market Sale (S) Market Sale	9,058	-20	$48.84	-$976

October 03, 2025

Jack Kienzler

Tax Payment

Change: -25

Price: $44.50

Shares: 54,796

Value: -$1,112

Charles Masters

Tax Payment

Change: -28

Price: $44.50

Shares: 32,364

Value: -$1,246

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Jack Kienzler	Oct 07	Tax Payment (F) Tax Payment	54,796	-25	$44.50	-$1,112
Charles Masters	Oct 07	Tax Payment (F) Tax Payment	32,364	-28	$44.50	-$1,246

September 05, 2025

Diego Donoso

Open Market Purchase

Change: +15

Price: $45.81

Shares: 9,078

Value: +$687

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Diego Donoso	Nov 19	Open Market Purchase (P) Market Purchase	9,078	+15	$45.81	+$687

August 14, 2025

Renee Swan

Tax Payment

Change: -5,007

Price: $45.18

Shares: 44,637

Value: -$226,216

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Renee Swan	Aug 15	Tax Payment (F) Tax Payment	44,637	-5,007	$45.18	-$226,216