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$ATOS

$4.75 -$0.10 (2.06%)

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Insider Transactions

Insider Transaction Summary

Kyle Guse

557,900 shares

Net: 0 B/S: -

Heather Rees

543,785 shares

Net: 0 B/S: -

Scott Youmans

286,217 shares

Net: 0 B/S: -

Jonathan Finn

125,000 shares

Net: 0 B/S: -

Richard I Steinhart

125,000 shares

Net: 0 B/S: -

Shu-Chih Chen

125,000 shares

Net: 0 B/S: -

H. Lawrence Remmel

125,000 shares

Net: 0 B/S: -

Tessa Cigler

125,000 shares

Net: 0 B/S: -

Stephen J Galli

125,000 shares

Net: 0 B/S: -

STEVEN C QUAY

88,038 shares

Net: +721,877 B/S: ∞

Mark James Daniel

63,000 shares

Net: +641,000 B/S: ∞

GREGORY L WEAVER

55 shares

Net: 0 B/S: -

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
Kyle Guse	557,900	0	-
Heather Rees	543,785	0	-
Scott Youmans	286,217	0	-
Jonathan Finn	125,000	0	-
Richard I Steinhart	125,000	0	-
Shu-Chih Chen	125,000	0	-
H. Lawrence Remmel	125,000	0	-
Tessa Cigler	125,000	0	-
Stephen J Galli	125,000	0	-
STEVEN C QUAY	88,038	+721,877	∞
Mark James Daniel	63,000	+641,000	∞
GREGORY L WEAVER	55	0	-

Individual Transactions

March 27, 2026

STEVEN C QUAY

Grant/Award Acquisition

Change: +65,000

Price: $0.00

Shares: 88,038

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
STEVEN C QUAY	Mar 31	Grant/Award Acquisition (A) Compensation/Award	88,038	+65,000	$0.00	+$0

March 26, 2026

Mark James Daniel

Grant/Award Acquisition

Change: +63,000

Price: $0.00

Shares: 63,000

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Mark James Daniel	Mar 30	Grant/Award Acquisition (A) Compensation/Award	63,000	+63,000	$0.00	+$0

January 20, 2026

STEVEN C QUAY

Grant/Award Acquisition

Change: +325,203

Price: $0.00

Shares: 339,101

Value: +$0

STEVEN C QUAY

Grant/Award Acquisition

Change: +331,674

Price: $0.00

Shares: 345,572

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
STEVEN C QUAY	Jan 22	Grant/Award Acquisition (A) Compensation/Award	339,101	+325,203	$0.00	+$0
STEVEN C QUAY	Jan 30	Grant/Award Acquisition (A) Compensation/Award	345,572	+331,674	$0.00	+$0

October 14, 2025

Mark James Daniel

Grant/Award Acquisition

Change: +578,000

Price: $0.00

Shares: 578,000

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Mark James Daniel	Oct 21	Grant/Award Acquisition (A) Compensation/Award	578,000	+578,000	$0.00	+$0

May 21, 2025

STEVEN C QUAY

Open Market Purchase

Change: +11,239

Price: $0.88

Shares: 13,898

Value: +$9,886

Insider	Filing Date	Transaction	Shares	Change	Price	Value
STEVEN C QUAY	May 22	Open Market Purchase (P) Market Purchase	13,898	+11,239	$0.88	+$9,886

May 15, 2025

Jonathan Finn

Grant/Award Acquisition

Change: +125,000

Price: $0.00

Shares: 125,000

Value: +$0

Shu-Chih Chen

Grant/Award Acquisition

Change: +125,000

Price: $0.00

Shares: 125,000

Value: +$0

Heather Rees

Grant/Award Acquisition

Change: +543,785

Price: $0.00

Shares: 543,785

Value: +$0

Stephen J Galli

Grant/Award Acquisition

Change: +125,000

Price: $0.00

Shares: 125,000

Value: +$0

H. Lawrence Remmel

Grant/Award Acquisition

Change: +125,000

Price: $0.00

Shares: 125,000

Value: +$0

Tessa Cigler

Grant/Award Acquisition

Change: +125,000

Price: $0.00

Shares: 125,000

Value: +$0

Richard I Steinhart

Grant/Award Acquisition

Change: +125,000

Price: $0.00

Shares: 125,000

Value: +$0

STEVEN C QUAY

Grant/Award Acquisition

Change: +1,366,062

Price: $0.00

Shares: 1,366,062

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Jonathan Finn	May 16	Grant/Award Acquisition (A) Compensation/Award	125,000	+125,000	$0.00	+$0
Shu-Chih Chen	May 16	Grant/Award Acquisition (A) Compensation/Award	125,000	+125,000	$0.00	+$0
Heather Rees	May 16	Grant/Award Acquisition (A) Compensation/Award	543,785	+543,785	$0.00	+$0
Stephen J Galli	May 16	Grant/Award Acquisition (A) Compensation/Award	125,000	+125,000	$0.00	+$0
H. Lawrence Remmel	May 16	Grant/Award Acquisition (A) Compensation/Award	125,000	+125,000	$0.00	+$0
Tessa Cigler	May 16	Grant/Award Acquisition (A) Compensation/Award	125,000	+125,000	$0.00	+$0
Richard I Steinhart	May 16	Grant/Award Acquisition (A) Compensation/Award	125,000	+125,000	$0.00	+$0
STEVEN C QUAY	May 16	Grant/Award Acquisition (A) Compensation/Award	1,366,062	+1,366,062	$0.00	+$0

March 26, 2025

H. Lawrence Remmel

Open Market Purchase

Change: +10,000

Price: $0.70

Shares: 10,257

Value: +$7,000

Insider	Filing Date	Transaction	Shares	Change	Price	Value
H. Lawrence Remmel	Mar 28	Open Market Purchase (P) Market Purchase	10,257	+10,000	$0.70	+$7,000

June 27, 2024

Shu-Chih Chen

Grant/Award Acquisition

Change: +125,000

Price: $0.00

Shares: 125,000

Value: +$0

Stephen J Galli

Grant/Award Acquisition

Change: +125,000

Price: $0.00

Shares: 125,000

Value: +$0

Heather Rees

Grant/Award Acquisition

Change: +577,700

Price: $0.00

Shares: 577,700

Value: +$0

H. Lawrence Remmel

Grant/Award Acquisition

Change: +125,000

Price: $0.00

Shares: 125,000

Value: +$0

Richard I Steinhart

Grant/Award Acquisition

Change: +125,000

Price: $0.00

Shares: 125,000

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Shu-Chih Chen	Jul 01	Grant/Award Acquisition (A) Compensation/Award	125,000	+125,000	$0.00	+$0
Stephen J Galli	Jul 01	Grant/Award Acquisition (A) Compensation/Award	125,000	+125,000	$0.00	+$0
Heather Rees	Jul 01	Grant/Award Acquisition (A) Compensation/Award	577,700	+577,700	$0.00	+$0
H. Lawrence Remmel	Jul 01	Grant/Award Acquisition (A) Compensation/Award	125,000	+125,000	$0.00	+$0
Richard I Steinhart	Jul 01	Grant/Award Acquisition (A) Compensation/Award	125,000	+125,000	$0.00	+$0