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$OSUR

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Insider Transactions

Insider Transaction Summary

MANNER CARRIE EGLINTON

2,190,874 shares

Net: +482,702 B/S: ∞

Douglas A Michels

660,861 shares

Net: 0 B/S: -

Kenneth J McGrath

589,562 shares

Net: +149,320 B/S: ∞

Kathleen Gallagher Weber

391,206 shares

Net: 0 B/S: -

STEPHEN S PHD TANG

255,657 shares

Net: 0 B/S: -

II Anthony Zezzo

209,753 shares

Net: 0 B/S: -

DOUGLAS G WATSON

188,032 shares

Net: 0 B/S: -

Michele Marie Anthony

185,788 shares

Net: +53,103 B/S: ∞

Mara G. Aspinall

178,758 shares

Net: 0 B/S: -

RONALD H SPAIR

164,857 shares

Net: 0 B/S: -

John P. Kenny

163,608 shares

Net: +23,061 B/S: ∞

Nancy J Gagliano

160,254 shares

Net: +2,100 B/S: ∞

JACK E JERRETT

142,191 shares

Net: 0 B/S: -

Lelio Marmora

130,760 shares

Net: 0 B/S: -

David Shulkin

126,335 shares

Net: 0 B/S: -

Lisa Nibauer

123,479 shares

Net: 0 B/S: -

Roberto Cuca

118,219 shares

Net: 0 B/S: -

Michael Celano

111,823 shares

Net: 0 B/S: -

RONNY B LANCASTER

104,782 shares

Net: 0 B/S: -

Robert W. McMahon

99,919 shares

Net: -7,317 B/S: -

Scott Gleason

96,509 shares

Net: 0 B/S: -

Agnieszka Gallagher

90,584 shares

Net: 0 B/S: -

James A Datin

82,146 shares

Net: 0 B/S: -

ROGER L PRINGLE

72,591 shares

Net: 0 B/S: -

Michele Marie Miller

64,625 shares

Net: 0 B/S: -

EAMONN P HOBBS

61,452 shares

Net: 0 B/S: -

Charles W Patrick

58,446 shares

Net: 0 B/S: -

MARK L KUNA

56,822 shares

Net: 0 B/S: -

MICHAEL REED

49,217 shares

Net: 0 B/S: -

Steven Kyle Boyd

38,462 shares

Net: +38,462 B/S: ∞

Anne Clem Whitaker

23,840 shares

Net: 0 B/S: -

BRIAN SMITH

18,075 shares

Net: 0 B/S: -

ARADHANA SARIN

16,865 shares

Net: 0 B/S: -

Insider Name	Current Shares	Net Change (1yr)	Buy/Sell Ratio
MANNER CARRIE EGLINTON	2,190,874	+482,702	∞
Douglas A Michels	660,861	0	-
Kenneth J McGrath	589,562	+149,320	∞
Kathleen Gallagher Weber	391,206	0	-
STEPHEN S PHD TANG	255,657	0	-
II Anthony Zezzo	209,753	0	-
DOUGLAS G WATSON	188,032	0	-
Michele Marie Anthony	185,788	+53,103	∞
Mara G. Aspinall	178,758	0	-
RONALD H SPAIR	164,857	0	-
John P. Kenny	163,608	+23,061	∞
Nancy J Gagliano	160,254	+2,100	∞
JACK E JERRETT	142,191	0	-
Lelio Marmora	130,760	0	-
David Shulkin	126,335	0	-
Lisa Nibauer	123,479	0	-
Roberto Cuca	118,219	0	-
Michael Celano	111,823	0	-
RONNY B LANCASTER	104,782	0	-
Robert W. McMahon	99,919	-7,317	-
Scott Gleason	96,509	0	-
Agnieszka Gallagher	90,584	0	-
James A Datin	82,146	0	-
ROGER L PRINGLE	72,591	0	-
Michele Marie Miller	64,625	0	-
EAMONN P HOBBS	61,452	0	-
Charles W Patrick	58,446	0	-
MARK L KUNA	56,822	0	-
MICHAEL REED	49,217	0	-
Steven Kyle Boyd	38,462	+38,462	∞
Anne Clem Whitaker	23,840	0	-
BRIAN SMITH	18,075	0	-
ARADHANA SARIN	16,865	0	-

Individual Transactions

March 26, 2026

Steven Kyle Boyd

Tax Payment

Change: -1,416

Price: $3.10

Shares: 38,462

Value: -$4,386

Steven Kyle Boyd

Grant/Award Acquisition

Change: +5,246

Price: $3.10

Shares: 39,878

Value: +$16,249

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Steven Kyle Boyd	Mar 30	Tax Payment (F) Tax Payment	38,462	-1,416	$3.10	-$4,386
Steven Kyle Boyd	Mar 30	Grant/Award Acquisition (A) Compensation/Award	39,878	+5,246	$3.10	+$16,249

March 20, 2026

Kenneth J McGrath

Open Market Purchase

Change: +32,300

Price: $2.93

Shares: 589,562

Value: +$94,600

MANNER CARRIE EGLINTON

Open Market Purchase

Change: +32,300

Price: $2.93

Shares: 2,190,874

Value: +$94,597

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Kenneth J McGrath	Mar 23	Open Market Purchase (P) Market Purchase	589,562	+32,300	$2.93	+$94,600
MANNER CARRIE EGLINTON	Mar 23	Open Market Purchase (P) Market Purchase	2,190,874	+32,300	$2.93	+$94,597

March 13, 2026

Kenneth J McGrath

Open Market Purchase

Change: +22,021

Price: $3.00

Shares: 557,262

Value: +$66,029

MANNER CARRIE EGLINTON

Open Market Purchase

Change: +22,022

Price: $3.00

Shares: 2,158,574

Value: +$66,032

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Kenneth J McGrath	Mar 16	Open Market Purchase (P) Market Purchase	557,262	+22,021	$3.00	+$66,029
MANNER CARRIE EGLINTON	Mar 16	Open Market Purchase (P) Market Purchase	2,158,574	+22,022	$3.00	+$66,032

March 02, 2026

Michele Marie Anthony

Grant/Award Acquisition

Change: +42,982

Price: $0.00

Shares: 185,788

Value: +$0

Kenneth J McGrath

Grant/Award Acquisition

Change: +88,348

Price: $0.00

Shares: 535,241

Value: +$0

MANNER CARRIE EGLINTON

Grant/Award Acquisition

Change: +355,464

Price: $0.00

Shares: 2,136,552

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Michele Marie Anthony	Mar 19	Grant/Award Acquisition (A) Compensation/Award	185,788	+42,982	$0.00	+$0
Kenneth J McGrath	Mar 03	Grant/Award Acquisition (A) Compensation/Award	535,241	+88,348	$0.00	+$0
MANNER CARRIE EGLINTON	Mar 03	Grant/Award Acquisition (A) Compensation/Award	2,136,552	+355,464	$0.00	+$0

March 01, 2026

Kenneth J McGrath

Grant/Award Acquisition

Change: +26,814

Price: $0.00

Shares: 475,277

Value: +$0

MANNER CARRIE EGLINTON

Tax Payment

Change: -56,116

Price: $3.04

Shares: 1,903,743

Value: -$170,732

MANNER CARRIE EGLINTON

Grant/Award Acquisition

Change: +129,032

Price: $0.00

Shares: 1,959,859

Value: +$0

Michele Marie Anthony

Tax Payment

Change: -4,062

Price: $3.04

Shares: 153,623

Value: -$12,358

Michele Marie Anthony

Grant/Award Acquisition

Change: +14,183

Price: $0.00

Shares: 157,685

Value: +$0

Kenneth J McGrath

Tax Payment

Change: -7,639

Price: $3.04

Shares: 467,638

Value: -$23,241

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Kenneth J McGrath	Mar 03	Grant/Award Acquisition (A) Compensation/Award	475,277	+26,814	$0.00	+$0
MANNER CARRIE EGLINTON	Mar 03	Tax Payment (F) Tax Payment	1,903,743	-56,116	$3.04	-$170,732
MANNER CARRIE EGLINTON	Mar 03	Grant/Award Acquisition (A) Compensation/Award	1,959,859	+129,032	$0.00	+$0
Michele Marie Anthony	Mar 19	Tax Payment (F) Tax Payment	153,623	-4,062	$3.04	-$12,358
Michele Marie Anthony	Mar 19	Grant/Award Acquisition (A) Compensation/Award	157,685	+14,183	$0.00	+$0
Kenneth J McGrath	Mar 03	Tax Payment (F) Tax Payment	467,638	-7,639	$3.04	-$23,241

December 17, 2025

John P. Kenny

Grant/Award Acquisition

Change: +10,286

Price: $2.46

Shares: 163,608

Value: +$25,303

Insider	Filing Date	Transaction	Shares	Change	Price	Value
John P. Kenny	Dec 19	Grant/Award Acquisition (A) Compensation/Award	163,608	+10,286	$2.46	+$25,303

November 28, 2025

Nancy J Gagliano

Open Market Purchase

Change: +2,100

Price: $2.37

Shares: 160,254

Value: +$4,981

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Nancy J Gagliano	Dec 02	Open Market Purchase (P) Market Purchase	160,254	+2,100	$2.37	+$4,981

October 28, 2025

Steven Kyle Boyd

Grant/Award Acquisition

Change: +34,632

Price: $0.00

Shares: 34,632

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Steven Kyle Boyd	Dec 02	Grant/Award Acquisition (A) Compensation/Award	34,632	+34,632	$0.00	+$0

September 24, 2025

John P. Kenny

Grant/Award Acquisition

Change: +6,118

Price: $3.27

Shares: 153,322

Value: +$19,999

Insider	Filing Date	Transaction	Shares	Change	Price	Value
John P. Kenny	Sep 26	Grant/Award Acquisition (A) Compensation/Award	153,322	+6,118	$3.27	+$19,999

August 08, 2025

Kenneth J McGrath

Tax Payment

Change: -12,524

Price: $2.78

Shares: 448,463

Value: -$34,816

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Kenneth J McGrath	Aug 11	Tax Payment (F) Tax Payment	448,463	-12,524	$2.78	-$34,816