Stock chart
Ticker: OSUR Exchange: NSM


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Purchase Sale Planned purchase Planned sale Net purchase Net sale Earnings
Earnings
 
Value bought

Past 90 days

 
Value sold

Past 90 days

 
Net insiders buying

Past 90 days

 
Trades (buy and sell)

Past 90 days

Abbreviations B: Buy, S: Sell, PP: Planned purchase, PS: Planned sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2025-03-03 2025-02-28 B Purchase

EGLINTON MANNER CARRIE

President & CEO

Executive Director
28,670 +2.3%
3.49
USD 100,027
28,670 +2.3% 3.49 USD 100,027
2025-03-03 2025-02-27 B Purchase

Gagliano Nancy J

Non-Executive Director
12,750 +16.2%
3.08
USD 39,270
12,750 +16.2% 3.08 USD 39,270
2025-02-27 2025-02-27 B Purchase

EGLINTON MANNER CARRIE

President & CEO

Executive Director
78,625 +6.7%
3.15
USD 247,378
78,625 +6.7% 3.15 USD 247,378
2025-02-27 2025-02-27 B Purchase

McGrath Kenneth J

Chief Financial Officer

Officer
64,000 +20.8%
3.15
USD 201,683
64,000 +20.8% 3.15 USD 201,683
2025-02-27 2025-02-27 B Purchase

Kenny John P.

Non-Executive Director
47,659 +204.9%
3.17
USD 151,217
47,659 +204.9% 3.17 USD 151,217
2025-02-27 2025-02-27 B Purchase

Marmora Lelio

Non-Executive Director
7,000 +11.5%
3.06
USD 21,420
7,000 +11.5% 3.06 USD 21,420
2023-12-21 2023-12-19 PS Planned sale

Weber Kathleen Gallagher

Chief Product Officer

Officer
24,129 -8.7%
8.05
USD 194,219
24,129 -8.7% 8.05 USD 194,219
2023-08-17 2023-08-15 S Sale

Anthony Michele Marie

SVP Finance & CAO

Officer
1,758 -2.0%
6.50
USD 11,427
1,758 -2.0% 6.50 USD 11,427
2023-05-31 2023-05-30 B Purchase

McGrath Kenneth J

Chief Financial Officer

Officer
100,000 +53.9%
4.93
USD 492,810
100,000 +53.9% 4.93 USD 492,810
2022-08-29 2022-08-26 B Purchase

LANCASTER RONNY B

Non-Executive Director
50,000 +91.3%
4.00
USD 200,000
50,000 +91.3% 4.00 USD 200,000
2022-08-31 2022-08-25 B Purchase

Aspinall Mara G.

Non-Executive Director
6,000 +8.4%
4.19
USD 25,138
6,000 +8.4% 4.19 USD 25,138
2022-08-22 2022-08-17 B Purchase

Gagliano Nancy J

Non-Executive Director
2,200 +5.5%
4.39
USD 9,658
2,200 +5.5% 4.39 USD 9,658
2022-08-16 2022-08-12 B Purchase

Celano Michael

Non-Executive Director
12,000 +12.0%
4.49
USD 53,916
12,000 +12.0% 4.49 USD 53,916
2021-01-04 2020-12-23 PS Planned sale

Weber Kathleen Gallagher

EVP & BU Lead - Molecular

Officer
10,000 -9.4%
11.76
USD 117,600
10,000 -9.4% 11.76 USD 117,600
2019-05-14 2019-05-14 B Purchase

TANG STEPHEN S PHD

President and CEO

1,000 +0.8%
8.56
USD 8,560
1,000 +0.8% 8.56 USD 8,560
2019-05-14 2019-05-13 B Purchase

JERRETT JACK E

SVP & General Counsel

8,687 +10.4%
8.55
USD 74,274
8,687 +10.4% 8.55 USD 74,274
2019-05-14 2019-05-13 B Purchase

JERRETT JACK E

SVP & General Counsel

1,313 +1.6%
8.54
USD 11,213
1,313 +1.6% 8.54 USD 11,213
2019-05-14 2019-05-10 B Purchase

Cuca Roberto

CFO

407 +0.9%
9.00
USD 3,663
407 +0.9% 9.00 USD 3,663
2019-05-14 2019-05-10 B Purchase

Cuca Roberto

CFO

700 +1.5%
9.03
USD 6,321
700 +1.5% 9.03 USD 6,321
2019-05-14 2019-05-10 B Purchase

Cuca Roberto

CFO

1,200 +2.7%
9.02
USD 10,824
1,200 +2.7% 9.02 USD 10,824
2019-05-14 2019-05-10 B Purchase

Cuca Roberto

CFO

1,300 +3.0%
9.01
USD 11,713
1,300 +3.0% 9.01 USD 11,713
2019-05-14 2019-05-10 B Purchase

Cuca Roberto

CFO

6,393 +17.0%
9.04
USD 57,793
6,393 +17.0% 9.04 USD 57,793
2019-04-03 2019-04-01 S Sale

TANG STEPHEN S PHD

President and CEO

16,667 -12.3%
11.10
USD 185,015
16,667 -12.3% 11.10 USD 185,015
2018-08-29 2018-08-27 S Sale

Patrick Charles W

Non-Executive Director
8,000 -12.8%
16.29
USD 130,320
8,000 -12.8% 16.29 USD 130,320
2018-02-20 2018-02-16 S Sale

SMITH BRIAN

EVP & BU Lead - Molecular

Officer
10,000 -35.6%
18.00
USD 180,010
10,000 -35.6% 18.00 USD 180,010
2018-02-20 2018-02-15 S Sale

TANG STEPHEN S PHD

Non-Executive Director
23,333 -39.1%
17.97
USD 419,247
23,333 -39.1% 17.97 USD 419,247
2018-02-20 2018-02-15 S Sale

SMITH BRIAN

EVP & BU Lead - Molecular

Officer
10,000 -35.6%
17.95
USD 179,450
10,000 -35.6% 17.95 USD 179,450
2017-11-09 2017-11-07 B Purchase

Aspinall Mara G.

5,000 +inf%
14.23
USD 71,164
5,000 +inf% 14.23 USD 71,164
2017-10-06 2017-10-04 PS Planned sale

Michels Douglas A

President & CEO

Executive Director
22,923 -3.1%
23.00
USD 527,229
22,923 -3.1% 23.00 USD 527,229
2017-10-03 2017-09-29 PS Planned sale

Michels Douglas A

President & CEO

Executive Director
25,000 -3.3%
22.55
USD 563,713
25,000 -3.3% 22.55 USD 563,713
2017-09-05 2017-08-31 S Sale

SMITH BRIAN

See Remarks

100 -0.4%
20.40
USD 2,040
100 -0.4% 20.40 USD 2,040
2017-09-05 2017-08-31 S Sale

SMITH BRIAN

See Remarks

9,012 -27.7%
20.47
USD 184,476
9,012 -27.7% 20.47 USD 184,476
2017-08-31 2017-08-30 S Sale

Patrick Charles W

1,000 -1.9%
20.11
USD 20,110
1,000 -1.9% 20.11 USD 20,110
2017-08-24 2017-08-22 S Sale

SMITH BRIAN

SEE REMARKS

1,075 -4.4%
21.12
USD 22,704
1,075 -4.4% 21.12 USD 22,704
2017-08-24 2017-08-22 S Sale

SMITH BRIAN

SEE REMARKS

2,000 -7.5%
21.08
USD 42,160
2,000 -7.5% 21.08 USD 42,160
2017-08-09 2017-08-07 S Sale

Zezzo II Anthony

EVP - Infectious Diseases

72,916 -33.4%
21.26
USD 1,550,296
72,916 -33.4% 21.26 USD 1,550,296
2017-08-08 2017-08-07 S Sale

JERRETT JACK E

SVP & General Counsel

9,623 -16.4%
21.03
USD 202,366
9,623 -16.4% 21.03 USD 202,366
2017-08-08 2017-08-07 S Sale

JERRETT JACK E

SVP & General Counsel

63,840 -52.0%
20.73
USD 1,323,282
63,840 -52.0% 20.73 USD 1,323,282
2017-08-08 2017-08-07 S Sale

SPAIR RONALD H

COO & CFO

Executive Director
176,197 -61.8%
21.29
USD 3,751,675
176,197 -61.8% 21.29 USD 3,751,675
2017-08-08 2017-08-07 S Sale

KUNA MARK L

SVP & Controller

15,000 -23.6%
21.32
USD 319,800
15,000 -23.6% 21.32 USD 319,800
2017-08-08 2017-08-04 S Sale

SPAIR RONALD H

COO & CFO

Executive Director
333,915 -75.4%
20.32
USD 6,785,754
333,915 -75.4% 20.32 USD 6,785,754
2017-08-08 2017-08-04 S Sale

KUNA MARK L

SVP & Controller

46,959 -42.5%
20.22
USD 949,567
46,959 -42.5% 20.22 USD 949,567
2017-06-29 2017-06-27 PS Planned sale

Michels Douglas A

President & CEO

Executive Director
89,541 -10.4%
16.28
USD 1,457,817
89,541 -10.4% 16.28 USD 1,457,817
2017-06-29 2017-06-27 PS Planned sale

Michels Douglas A

President & CEO

Executive Director
75,000 -8.0%
16.67
USD 1,250,475
75,000 -8.0% 16.67 USD 1,250,475
2017-06-29 2017-06-27 PS Planned sale

Michels Douglas A

President & CEO

Executive Director
125,954 -11.9%
17.13
USD 2,157,970
125,954 -11.9% 17.13 USD 2,157,970
2017-06-02 2017-05-31 S Sale

SPAIR RONALD H

COO & CFO

Executive Director
50,000 -31.4%
15.06
USD 752,890
50,000 -31.4% 15.06 USD 752,890
2017-05-30 2017-05-30 S Sale

LANCASTER RONNY B

Non-Executive Director
15,000 -70.4%
15.07
USD 225,975
15,000 -70.4% 15.07 USD 225,975
2017-05-30 2017-05-30 S Sale

Patrick Charles W

Non-Executive Director
6,666 -11.3%
15.15
USD 100,990
6,666 -11.3% 15.15 USD 100,990
2017-05-30 2017-05-26 S Sale

LANCASTER RONNY B

Non-Executive Director
74,684 -92.2%
14.73
USD 1,100,394
74,684 -92.2% 14.73 USD 1,100,394
2017-05-11 2017-05-10 S Sale

Zezzo II Anthony

EVP, Marketing and Sales

Officer
115,000 -44.2%
14.70
USD 1,690,845
115,000 -44.2% 14.70 USD 1,690,845
2017-05-11 2017-05-09 S Sale

Michels Douglas A

President & CEO

Executive Director
209,800 -21.5%
15.01
USD 3,149,098
209,800 -21.5% 15.01 USD 3,149,098
2017-05-09 2017-05-08 S Sale

Michels Douglas A

President & CEO

Executive Director
167,916 -17.9%
15.09
USD 2,533,852
167,916 -17.9% 15.09 USD 2,533,852
2017-05-09 2017-05-08 S Sale

Michels Douglas A

President & CEO

Executive Director
79,738 -9.4%
15.09
USD 1,203,246
79,738 -9.4% 15.09 USD 1,203,246
2017-05-09 2017-05-08 S Sale

SPAIR RONALD H

COO & CFO

Executive Director
6,500 -5.6%
15.03
USD 97,695
6,500 -5.6% 15.03 USD 97,695
2017-05-09 2017-05-08 S Sale

KUNA MARK L

SVP & Controller

Officer
1,698 -2.6%
15.00
USD 25,470
1,698 -2.6% 15.00 USD 25,470
2017-05-09 2017-05-08 S Sale

KUNA MARK L

SVP & Controller

Officer
5,302 -7.7%
15.00
USD 79,530
5,302 -7.7% 15.00 USD 79,530
2017-05-09 2017-05-05 S Sale

Michels Douglas A

President & CEO

Executive Director
113,562 -12.9%
15.06
USD 1,710,244
113,562 -12.9% 15.06 USD 1,710,244
2017-05-09 2017-05-05 S Sale

SPAIR RONALD H

COO & CFO

Executive Director
66,064 -37.7%
15.00
USD 990,960
66,064 -37.7% 15.00 USD 990,960
2017-05-09 2017-05-05 S Sale

PRINGLE ROGER L

Non-Executive Director
140,552 -64.8%
14.93
USD 2,098,863
140,552 -64.8% 14.93 USD 2,098,863
2017-05-09 2017-05-05 S Sale

Patrick Charles W

Non-Executive Director
745 -1.3%
14.96
USD 11,145
745 -1.3% 14.96 USD 11,145
2017-05-09 2017-05-05 S Sale

Patrick Charles W

Non-Executive Director
9,255 -100.0%
14.96
USD 138,455
9,255 -100.0% 14.96 USD 138,455
2017-05-09 2017-05-05 S Sale

Celano Michael

Non-Executive Director
44,962 -54.1%
14.95
USD 672,182
44,962 -54.1% 14.95 USD 672,182
2017-05-09 2017-05-05 S Sale

KUNA MARK L

SVP & Controller

Officer
29,413 -31.7%
15.13
USD 445,019
29,413 -31.7% 15.13 USD 445,019
2017-03-23 2017-03-21 PS Planned sale

TANG STEPHEN S PHD

Non-Executive Director
220 -0.7%
12.00
USD 2,640
220 -0.7% 12.00 USD 2,640
2017-03-06 2017-03-02 PS Planned sale

TANG STEPHEN S PHD

Non-Executive Director
6,100 -16.0%
12.02
USD 73,346
6,100 -16.0% 12.02 USD 73,346
2017-03-06 2017-03-02 PS Planned sale

Celano Michael

Non-Executive Director
15,000 -15.3%
12.00
USD 180,000
15,000 -15.3% 12.00 USD 180,000
2017-03-02 2017-02-28 S Sale

Patrick Charles W

Non-Executive Director
5,650 -37.9%
11.30
USD 63,845
5,650 -37.9% 11.30 USD 63,845
2017-03-01 2017-02-28 S Sale

Patrick Charles W

Non-Executive Director
13,880 -18.8%
11.27
USD 156,414
13,880 -18.8% 11.27 USD 156,414
2017-03-01 2017-02-27 S Sale

Patrick Charles W

Non-Executive Director
1,003 -1.3%
11.35
USD 11,384
1,003 -1.3% 11.35 USD 11,384
2017-03-01 2017-02-27 S Sale

Patrick Charles W

Non-Executive Director
15,000 -16.7%
11.30
USD 169,500
15,000 -16.7% 11.30 USD 169,500
2017-02-16 2017-02-16 S Sale

SPAIR RONALD H

COO & CFO

Executive Director
50,000 -25.0%
11.12
USD 555,780
50,000 -25.0% 11.12 USD 555,780
2017-02-16 2017-02-15 S Sale

JERRETT JACK E

SVP & General Counsel

Officer
107,288 -64.6%
11.06
USD 1,186,477
107,288 -64.6% 11.06 USD 1,186,477
2017-02-16 2017-02-15 S Sale

TANG STEPHEN S PHD

Non-Executive Director
40,000 -51.2%
11.04
USD 441,756
40,000 -51.2% 11.04 USD 441,756
2017-02-15 2017-02-14 S Sale

SPAIR RONALD H

COO & CFO

Executive Director
6,322 -5.5%
10.65
USD 67,298
6,322 -5.5% 10.65 USD 67,298
2017-02-15 2017-02-14 S Sale

SPAIR RONALD H

COO & CFO

Executive Director
2,926 -2.5%
10.65
USD 31,151
2,926 -2.5% 10.65 USD 31,151
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