Chembio Diagnostics Inc (CEMI)

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Ticker: CEMI Exchange: NAS


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale
Past 90 days
 
Value bought
 
Value sold
 
Net insiders buying
 
Trades (buy and sell)
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 Total value Details
2023-04-25 2023-04-25 B Purchase

Perceptive Credit Advisors, LLC

Major owner
133,742 +2.7%
0.45
60,184 USD 		133,742 +2.7% 0.45 60,184 USD
2023-04-25 2023-04-24 B Purchase

Perceptive Credit Advisors, LLC

Major owner
39,506 +0.8%
0.45
17,778 USD 		39,506 +0.8% 0.45 17,778 USD
2023-04-25 2023-04-21 B Purchase

Perceptive Credit Advisors, LLC

Major owner
70,200 +1.4%
0.45
31,450 USD 		70,200 +1.4% 0.45 31,450 USD
2023-04-20 2023-04-20 B Purchase

Perceptive Credit Advisors, LLC

Major owner
56,000 +1.2%
0.45
25,200 USD 		56,000 +1.2% 0.45 25,200 USD
2023-04-20 2023-04-19 B Purchase

Perceptive Credit Advisors, LLC

Major owner
137,000 +2.9%
0.45
61,376 USD 		137,000 +2.9% 0.45 61,376 USD
2023-04-20 2023-04-18 B Purchase

Perceptive Credit Advisors, LLC

Major owner
15,800 +0.3%
0.45
7,078 USD 		15,800 +0.3% 0.45 7,078 USD
2023-04-17 2023-04-17 B Purchase

Perceptive Credit Advisors, LLC

Major owner
4,800 +0.1%
0.45
2,160 USD 		4,800 +0.1% 0.45 2,160 USD
2023-04-17 2023-04-14 B Purchase

Perceptive Credit Advisors, LLC

Major owner
11,500 +0.2%
0.45
5,175 USD 		11,500 +0.2% 0.45 5,175 USD
2023-04-17 2023-04-13 B Purchase

Perceptive Credit Advisors, LLC

Major owner
140,134 +3.1%
0.45
63,060 USD 		140,134 +3.1% 0.45 63,060 USD
2023-04-13 2023-04-11 B Purchase

Perceptive Credit Advisors, LLC

Major owner
129,000 +2.9%
0.44
56,760 USD 		129,000 +2.9% 0.44 56,760 USD
2023-04-06 2023-04-06 B Purchase

Perceptive Credit Advisors, LLC

Major owner
339,000 +8.3%
0.44
149,160 USD 		339,000 +8.3% 0.44 149,160 USD
2023-04-06 2023-04-05 B Purchase

Perceptive Credit Advisors, LLC

Major owner
217,500 +5.6%
0.45
97,875 USD 		217,500 +5.6% 0.45 97,875 USD
2023-04-06 2023-04-04 B Purchase

Perceptive Credit Advisors, LLC

Major owner
195,938 +5.3%
0.44
86,213 USD 		195,938 +5.3% 0.44 86,213 USD
2019-11-13 2019-11-11 B Purchase

Potthoff John Gary

10,000 +36.0%
4.44
44,400 USD 		10,000 +36.0% 4.44 44,400 USD
2019-05-24 2019-05-24 S Sale

Esfandiari Javan

See Remarks
9,744 -8.2%
6.95
67,727 USD 		9,744 -8.2% 6.95 67,727 USD
2019-05-24 2019-05-23 S Sale

Esfandiari Javan

See Remarks
12,956 -9.9%
7.15
92,582 USD 		12,956 -9.9% 7.15 92,582 USD
2019-05-24 2019-05-22 S Sale

Esfandiari Javan

See Remarks
7,300 -5.3%
7.41
54,125 USD 		7,300 -5.3% 7.41 54,125 USD
2018-11-16 2018-11-14 B Purchase

Potthoff John Gary

15,000 +117.4%
5.81
87,150 USD 		15,000 +117.4% 5.81 87,150 USD
2018-11-16 2018-11-14 B Purchase

Potthoff John Gary

5,000 +22.0%
5.80
29,000 USD 		5,000 +22.0% 5.80 29,000 USD
2018-11-06 2018-11-05 B Purchase

Passas Robert

See Remarks
15,000 +inf%
6.75
101,250 USD 		15,000 +inf% 6.75 101,250 USD
2018-02-13 2018-02-13 B Purchase

Goldman Neil A

EVP & Chief Financial Officer

Officer
14,815 +inf%
6.75
100,001 USD 		14,815 +inf% 6.75 100,001 USD
2017-06-29 2017-06-28 B Purchase

PESSIN NORMAN H

6,250 +0.5%
5.76
35,983 USD 		6,250 +0.5% 5.76 35,983 USD
2017-06-29 2016-10-11 B Purchase

PESSIN NORMAN H

3,000 +0.3%
7.16
21,480 USD 		3,000 +0.3% 7.16 21,480 USD
2017-06-29 2016-08-16 B Purchase

PESSIN NORMAN H

27,000 +2.4%
5.23
141,210 USD 		27,000 +2.4% 5.23 141,210 USD
2016-06-17 2016-06-15 S Sale

Klugewicz Sharon W

Chief Operating Officer

Officer
3,000 -30.0%
8.40
25,200 USD 		3,000 -30.0% 8.40 25,200 USD
2016-06-02 2016-06-01 S Sale

Esfandiari Javan

Chief Science/Tech Officer

Officer
12,000 -15.2%
8.56
102,720 USD 		12,000 -15.2% 8.56 102,720 USD
2016-06-02 2016-05-31 S Sale

Esfandiari Javan

Chief Science/Tech Officer

Officer
13,000 -14.1%
8.59
111,670 USD 		13,000 -14.1% 8.59 111,670 USD
2015-05-29 2015-05-29 S Sale

Esfandiari Javan

Chief Science/Technology Offic

Officer
20,000 -17.8%
4.50
90,014 USD 		20,000 -17.8% 4.50 90,014 USD
2014-11-21 2014-11-19 B Purchase

KISSINGER PETER

Non-Executive Director
1,800 +inf%
4.31
7,754 USD 		1,800 +inf% 4.31 7,754 USD
2014-02-28 2014-02-26 B Purchase

Klugewicz Sharon W

Chief Operating Officer

Officer
10,000 +inf%
3.50
35,000 USD 		10,000 +inf% 3.50 35,000 USD
2014-02-28 2014-02-26 S Sale

Larkin Richard J

Chief Financial Officer

Officer
10,000 -32.9%
3.50
35,000 USD 		10,000 -32.9% 3.50 35,000 USD
2013-12-06 2013-12-06 S Sale

Esfandiari Javan

Senior Vice President

Officer
3,000 -3.7%
3.40
10,200 USD 		3,000 -3.7% 3.40 10,200 USD
2013-12-06 2013-12-05 S Sale

Esfandiari Javan

Senior Vice President

Officer
7,000 -7.9%
3.40
23,803 USD 		7,000 -7.9% 3.40 23,803 USD
2013-11-12 2013-11-11 PS Planned sale

Siebert Lawrence A.

President

Executive Director Major owner
15,000 -1.9%
3.55
53,235 USD 		15,000 -1.9% 3.55 53,235 USD
2012-09-14 2012-09-14 S Sale

Siebert Lawrence A.

President

Executive Director Major owner
3,100 -0.4%
4.34
13,454 USD 		3,100 -0.4% 4.34 13,454 USD
2012-09-14 2012-09-13 S Sale

Siebert Lawrence A.

President

Executive Director Major owner
4,650 -0.6%
4.42
20,553 USD 		4,650 -0.6% 4.42 20,553 USD
2012-09-14 2012-09-13 S Sale

Siebert Lawrence A.

President

Executive Director Major owner
100 -0.0%
4.39
439 USD 		100 -0.0% 4.39 439 USD
2012-09-14 2012-09-13 S Sale

Siebert Lawrence A.

President

Executive Director Major owner
100 -0.0%
4.38
438 USD 		100 -0.0% 4.38 438 USD
2012-09-14 2012-09-13 S Sale

Siebert Lawrence A.

President

Executive Director Major owner
3,705 -0.5%
4.35
16,117 USD 		3,705 -0.5% 4.35 16,117 USD
2012-09-14 2012-09-12 S Sale

Siebert Lawrence A.

President

Executive Director Major owner
100 -0.0%
4.39
439 USD 		100 -0.0% 4.39 439 USD
2012-09-11 2012-09-11 S Sale

Siebert Lawrence A.

President

Executive Director Major owner
1,000 -0.1%
4.35
4,350 USD 		1,000 -0.1% 4.35 4,350 USD
2012-09-11 2012-09-10 S Sale

Siebert Lawrence A.

President

Executive Director Major owner
20 -0.0%
4.44
89 USD 		20 -0.0% 4.44 89 USD
2012-09-11 2012-09-10 S Sale

Siebert Lawrence A.

President

Executive Director Major owner
2,000 -0.2%
4.40
8,800 USD 		2,000 -0.2% 4.40 8,800 USD
2012-09-11 2012-09-07 S Sale

Siebert Lawrence A.

President

Executive Director Major owner
6,100 -0.7%
4.40
26,840 USD 		6,100 -0.7% 4.40 26,840 USD
2012-09-10 2012-09-07 S Sale

Esfandiari Javan

Senior Vice President

Officer
10,000 -10.2%
4.42
44,232 USD 		10,000 -10.2% 4.42 44,232 USD
2011-12-12 2011-12-09 B Purchase

Siebert Lawrence A.

President

Executive Director Major owner
1,100 +0.0%
0.44
484 USD 		1,100 +0.0% 0.44 484 USD
2011-12-12 2011-12-09 B Purchase

Siebert Lawrence A.

President

Executive Director Major owner
18,900 +0.3%
0.43
8,127 USD 		18,900 +0.3% 0.43 8,127 USD
2011-12-09 2011-12-08 S Sale

Esfandiari Javan

Senior Vice President

Officer
30,000 -9.4%
0.40
11,976 USD 		30,000 -9.4% 0.40 11,976 USD
2011-12-09 2011-12-07 B Purchase

Meller Gary

Non-Executive Director
50,000 +12.0%
0.40
20,000 USD 		50,000 +12.0% 0.40 20,000 USD
2011-12-09 2011-12-07 S Sale

Esfandiari Javan

Senior Vice President

Officer
50,000 -13.6%
0.40
20,000 USD 		50,000 -13.6% 0.40 20,000 USD
2011-12-07 2011-12-05 B Purchase

Siebert Lawrence A.

President

Executive Director Major owner
10,000 +0.2%
0.42
4,170 USD 		10,000 +0.2% 0.42 4,170 USD
2011-12-07 2011-12-05 B Purchase

Siebert Lawrence A.

President

Executive Director Major owner
10,725 +0.2%
0.42
4,472 USD 		10,725 +0.2% 0.42 4,472 USD
2011-03-16 2011-03-15 S Sale

Esfandiari Javan

Senior Vice President

Officer
41,018 -15.7%
0.39
16,149 USD 		41,018 -15.7% 0.39 16,149 USD
2011-03-16 2011-03-14 S Sale

Esfandiari Javan

Senior Vice President

Officer
8,982 -3.3%
0.41
3,725 USD 		8,982 -3.3% 0.41 3,725 USD
2011-03-15 2011-03-14 B Purchase

Siebert Lawrence A.

President

Executive Director Major owner
50,000 +0.8%
0.42
21,000 USD 		50,000 +0.8% 0.42 21,000 USD
2011-03-15 2011-03-11 B Purchase

Siebert Lawrence A.

President

Executive Director Major owner
15,000 +0.2%
0.42
6,300 USD 		15,000 +0.2% 0.42 6,300 USD
2010-12-17 2010-12-15 B Purchase

Meller Gary

Non-Executive Director
15,000 +3.8%
0.35
5,250 USD 		15,000 +3.8% 0.35 5,250 USD
2010-06-15 2010-06-11 B Purchase

Davis Katherine Lyon

Non-Executive Director
5,000 +6.0%
0.23
1,150 USD 		5,000 +6.0% 0.23 1,150 USD
2010-06-15 2010-06-11 B Purchase

Davis Katherine Lyon

Non-Executive Director
7,500 +10.0%
0.22
1,650 USD 		7,500 +10.0% 0.22 1,650 USD
2010-05-14 2010-05-12 B Purchase

Davis Katherine Lyon

Non-Executive Director
40,000 +113.6%
0.20
8,000 USD 		40,000 +113.6% 0.20 8,000 USD
2010-05-12 2010-05-10 B Purchase

Davis Katherine Lyon

Non-Executive Director
15,216 +76.1%
0.20
3,043 USD 		15,216 +76.1% 0.20 3,043 USD
2010-05-12 2010-05-10 B Purchase

Davis Katherine Lyon

Non-Executive Director
20,000 +inf%
0.21
4,100 USD 		20,000 +inf% 0.21 4,100 USD
2009-08-26 2009-08-25 B Purchase

Meller Gary

Non-Executive Director
100,000 +51.2%
0.18
18,000 USD 		100,000 +51.2% 0.18 18,000 USD
2009-10-30 2008-12-01 B Purchase

Meller Gary

Non-Executive Director
4,700 +1.6%
0.14
658 USD 		4,700 +1.6% 0.14 658 USD
2008-11-24 2008-11-20 B Purchase

Meller Gary

Non-Executive Director
11,800 +6.4%
0.14
1,652 USD 		11,800 +6.4% 0.14 1,652 USD
2008-11-18 2008-11-14 B Purchase

Meller Gary

Non-Executive Director
83,500 +83.5%
0.15
12,525 USD 		83,500 +83.5% 0.15 12,525 USD
2008-09-09 2008-09-08 B Purchase

Siebert Lawrence A.

President

Executive Director Major owner
100,000 +1.6%
0.18
17,800 USD 		100,000 +1.6% 0.18 17,800 USD
2008-05-19 2008-05-19 B Purchase

Siebert Lawrence A.

CEO

Executive Director Major owner
386,000 +6.9%
0.12
46,320 USD 		386,000 +6.9% 0.12 46,320 USD
2008-05-19 2008-05-19 B Purchase

Siebert Lawrence A.

CEO

Executive Director Major owner
10,000 +0.2%
0.12
1,150 USD 		10,000 +0.2% 0.12 1,150 USD
2008-05-19 2008-05-19 B Purchase

Siebert Lawrence A.

CEO

Executive Director Major owner
4,000 +0.1%
0.11
440 USD 		4,000 +0.1% 0.11 440 USD
2008-05-19 2008-05-16 B Purchase

Siebert Lawrence A.

CEO

Executive Director Major owner
5,000 +0.1%
0.12
600 USD 		5,000 +0.1% 0.12 600 USD
2008-05-19 2008-05-16 B Purchase

Siebert Lawrence A.

CEO

Executive Director Major owner
120,000 +2.2%
0.11
12,600 USD 		120,000 +2.2% 0.11 12,600 USD
2008-05-19 2008-05-16 B Purchase

Siebert Lawrence A.

CEO

Executive Director Major owner
25,800 +0.5%
0.10
2,580 USD 		25,800 +0.5% 0.10 2,580 USD
2008-05-19 2008-05-16 B Purchase

Siebert Lawrence A.

CEO

Executive Director Major owner
10,000 +0.2%
0.09
900 USD 		10,000 +0.2% 0.09 900 USD
2008-05-19 2008-05-16 B Purchase

Siebert Lawrence A.

CEO

Executive Director Major owner
20,000 +0.4%
0.09
1,700 USD 		20,000 +0.4% 0.09 1,700 USD