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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: -

John P. Kenny

209,714 shares

Net: +62,510 B/S: ∞

DOUGLAS G WATSON

188,032 shares

Net: 0 B/S: -

Michele Marie Anthony

185,788 shares

Net: +53,103 B/S: ∞

Nancy J Gagliano

185,055 shares

Net: +26,901 B/S: ∞

Mara G. Aspinall

178,758 shares

Net: 0 B/S: -

RONALD H SPAIR

164,857 shares

Net: 0 B/S: -

Steven Kyle Boyd

159,568 shares

Net: +159,568 B/S: ∞

Lelio Marmora

148,460 shares

Net: +17,700 B/S: ∞

JACK E JERRETT

142,191 shares

Net: 0 B/S: -

David Shulkin

126,335 shares

Net: 0 B/S: -

Lisa Nibauer

123,479 shares

Net: 0 B/S: -

Robert W. McMahon

123,137 shares

Net: +23,218 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: -

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: -

John D. Bertrand

79,767 shares

Net: +79,767 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: -

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	-
John P. Kenny	209,714	+62,510	∞
DOUGLAS G WATSON	188,032	0	-
Michele Marie Anthony	185,788	+53,103	∞
Nancy J Gagliano	185,055	+26,901	∞
Mara G. Aspinall	178,758	0	-
RONALD H SPAIR	164,857	0	-
Steven Kyle Boyd	159,568	+159,568	∞
Lelio Marmora	148,460	+17,700	∞
JACK E JERRETT	142,191	0	-
David Shulkin	126,335	0	-
Lisa Nibauer	123,479	0	-
Robert W. McMahon	123,137	+23,218	∞
Roberto Cuca	118,219	0	-
Michael Celano	111,823	0	-
RONNY B LANCASTER	104,782	0	-
Scott Gleason	96,509	0	-
Agnieszka Gallagher	90,584	0	-
James A Datin	82,146	0	-
John D. Bertrand	79,767	+79,767	∞
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	-
Anne Clem Whitaker	23,840	0	-
BRIAN SMITH	18,075	0	-
ARADHANA SARIN	16,865	0	-

Individual Transactions

June 03, 2026

Steven Kyle Boyd

Grant/Award Acquisition

Change: +46,106

Price: $0.00

Shares: 159,568

Value: +$0

John D. Bertrand

Grant/Award Acquisition

Change: +46,106

Price: $0.00

Shares: 79,767

Value: +$0

John P. Kenny

Grant/Award Acquisition

Change: +46,106

Price: $0.00

Shares: 209,714

Value: +$0

Lelio Marmora

Grant/Award Acquisition

Change: +46,106

Price: $0.00

Shares: 148,460

Value: +$0

Nancy J Gagliano

Grant/Award Acquisition

Change: +46,106

Price: $0.00

Shares: 185,055

Value: +$0

Robert W. McMahon

Grant/Award Acquisition

Change: +46,106

Price: $0.00

Shares: 123,137

Value: +$0

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Steven Kyle Boyd	Jun 05	Grant/Award Acquisition (A) Compensation/Award	159,568	+46,106	$0.00	+$0
John D. Bertrand	Jun 05	Grant/Award Acquisition (A) Compensation/Award	79,767	+46,106	$0.00	+$0
John P. Kenny	Jun 05	Grant/Award Acquisition (A) Compensation/Award	209,714	+46,106	$0.00	+$0
Lelio Marmora	Jun 05	Grant/Award Acquisition (A) Compensation/Award	148,460	+46,106	$0.00	+$0
Nancy J Gagliano	Jun 05	Grant/Award Acquisition (A) Compensation/Award	185,055	+46,106	$0.00	+$0
Robert W. McMahon	Jun 05	Grant/Award Acquisition (A) Compensation/Award	123,137	+46,106	$0.00	+$0

May 14, 2026

Steven Kyle Boyd

Open Market Purchase

Change: +25,000

Price: $2.99

Shares: 113,462

Value: +$74,750

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Steven Kyle Boyd	May 14	Open Market Purchase (P) Market Purchase	113,462	+25,000	$2.99	+$74,750

May 13, 2026

Nancy J Gagliano

Tax Payment

Change: -21,305

Price: $3.02

Shares: 138,949

Value: -$64,341

Robert W. McMahon

Tax Payment

Change: -22,888

Price: $3.02

Shares: 77,031

Value: -$69,121

Lelio Marmora

Tax Payment

Change: -28,406

Price: $3.02

Shares: 102,354

Value: -$85,786

Steven Kyle Boyd

Open Market Purchase

Change: +25,000

Price: $3.02

Shares: 88,462

Value: +$75,500

Insider	Filing Date	Transaction	Shares	Change	Price	Value
Nancy J Gagliano	May 14	Tax Payment (F) Tax Payment	138,949	-21,305	$3.02	-$64,341
Robert W. McMahon	May 14	Tax Payment (F) Tax Payment	77,031	-22,888	$3.02	-$69,121
Lelio Marmora	May 14	Tax Payment (F) Tax Payment	102,354	-28,406	$3.02	-$85,786
Steven Kyle Boyd	May 14	Open Market Purchase (P) Market Purchase	88,462	+25,000	$3.02	+$75,500

May 12, 2026

John D. Bertrand

Grant/Award Acquisition

Change: +33,661

Price: $0.00

Shares: 33,661

Value: +$0

Steven Kyle Boyd

Open Market Purchase

Change: +25,000

Price: $2.98

Shares: 63,462

Value: +$74,500

Insider	Filing Date	Transaction	Shares	Change	Price	Value
John D. Bertrand	May 14	Grant/Award Acquisition (A) Compensation/Award	33,661	+33,661	$0.00	+$0
Steven Kyle Boyd	May 14	Open Market Purchase (P) Market Purchase	63,462	+25,000	$2.98	+$74,500

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

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