Stock chart
Ticker: CERC 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
2021-05-18 2021-05-14 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
128,000 +0.3%
2.15
275,200 USD
128,000 +0.3% 2.15 275,200 USD
2021-01-12 2021-01-08 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
0
0.00
0 USD
0 0.00 0 USD
2021-01-12 2021-01-08 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
2,500,000 +8.3%
2.60
6,500,000 USD
2,500,000 +8.3% 2.60 6,500,000 USD
2020-12-14 2020-12-10 PP Planned purchase

Harrell James Archie Jr

Chief Commercial Officer

Officer
171 +0.6%
2.28
390 USD
171 +0.6% 2.28 390 USD
2020-12-14 2020-12-10 PP Planned purchase

Sullivan Christopher Ryan

Interim CFO

Officer
5,095 +172.5%
2.28
11,606 USD
5,095 +172.5% 2.28 11,606 USD
2020-12-14 2020-12-10 PP Planned purchase

NEIL GARRY ARTHUR

Chief Scientific Officer

Officer
3,599 +4.9%
2.28
8,199 USD
3,599 +4.9% 2.28 8,199 USD
2020-12-07 2020-12-03 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
0
0.00
0 USD
0 0.00 0 USD
2020-12-07 2020-12-03 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
20,000 +0.1%
2.44
48,800 USD
20,000 +0.1% 2.44 48,800 USD
2020-11-25 2020-11-25 B Purchase

ARMISTICE CAPITAL, LLC

Major owner
0
0.00
0 USD
0 0.00 0 USD
2020-11-25 2020-11-25 B Purchase

ARMISTICE CAPITAL, LLC

Major owner
15,000 +0.0%
2.39
35,850 USD
15,000 +0.0% 2.39 35,850 USD
2020-11-25 2020-11-24 B Purchase

ARMISTICE CAPITAL, LLC

Major owner
0
0.00
0 USD
0 0.00 0 USD
2020-11-25 2020-11-24 B Purchase

ARMISTICE CAPITAL, LLC

Major owner
47,733 +0.2%
2.40
114,559 USD
47,733 +0.2% 2.40 114,559 USD
2020-11-25 2020-11-23 B Purchase

ARMISTICE CAPITAL, LLC

Major owner
0
0.00
0 USD
0 0.00 0 USD
2020-11-25 2020-11-23 B Purchase

ARMISTICE CAPITAL, LLC

Major owner
37,267 +0.1%
2.32
86,459 USD
37,267 +0.1% 2.32 86,459 USD
2020-09-09 2020-09-04 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
0
0.00
0 USD
0 0.00 0 USD
2020-09-09 2020-09-04 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
100,000 +0.3%
2.20
220,000 USD
100,000 +0.3% 2.20 220,000 USD
2020-06-11 2020-06-11 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
28,000 +2.5%
2.44
68,320 USD
28,000 +2.5% 2.44 68,320 USD
2020-06-11 2020-06-10 PP Planned purchase

Harrell James Archie Jr

Chief Commercial Officer

Officer
6,391 +29.6%
2.28
14,559 USD
6,391 +29.6% 2.28 14,559 USD
2020-06-11 2020-06-10 PP Planned purchase

Sullivan Christopher Ryan

Interim CFO

Officer
2,954 +inf%
2.28
6,729 USD
2,954 +inf% 2.28 6,729 USD
2020-06-11 2020-06-10 PP Planned purchase

NEIL GARRY ARTHUR

Chief Scientific Officer

Officer
1,799 +2.5%
2.28
4,098 USD
1,799 +2.5% 2.28 4,098 USD
2020-06-11 2020-06-09 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
267,806 +32.2%
2.52
674,871 USD
267,806 +32.2% 2.52 674,871 USD
2020-06-11 2020-06-09 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
0
0.00
0 USD
0 0.00 0 USD
2020-06-11 2020-06-09 B Purchase

Harrell James Archie Jr

Chief Commercial Officer

Officer
10,000 +86.1%
2.50
25,000 USD
10,000 +86.1% 2.50 25,000 USD
2020-06-11 2020-06-09 B Purchase

COLA MICHAEL F

Chief Executive Officer

Executive Director
100,000 +132.0%
2.50
250,000 USD
100,000 +132.0% 2.50 250,000 USD
2020-06-11 2020-06-09 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
1,753,680 +6.2%
2.50
4,384,200 USD
1,753,680 +6.2% 2.50 4,384,200 USD
2020-04-07 2020-04-03 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
4,280 +0.5%
2.16
9,245 USD
4,280 +0.5% 2.16 9,245 USD
2020-03-31 2020-03-31 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
26,611 +3.3%
2.33
62,004 USD
26,611 +3.3% 2.33 62,004 USD
2020-03-31 2020-03-30 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
49,303 +6.6%
2.35
115,862 USD
49,303 +6.6% 2.35 115,862 USD
2020-03-31 2020-03-27 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
36,000 +5.0%
2.43
87,480 USD
36,000 +5.0% 2.43 87,480 USD
2020-03-24 2020-03-23 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
1,374 +0.2%
2.52
3,462 USD
1,374 +0.2% 2.52 3,462 USD
2020-03-24 2020-03-20 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
9,626 +1.4%
2.50
24,065 USD
9,626 +1.4% 2.50 24,065 USD
2020-03-19 2020-03-19 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
1,567 +0.2%
2.60
4,074 USD
1,567 +0.2% 2.60 4,074 USD
2020-03-19 2020-03-18 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
8,433 +1.2%
1.91
16,107 USD
8,433 +1.2% 1.91 16,107 USD
2020-03-19 2020-03-18 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
20,000 +3.0%
1.91
38,200 USD
20,000 +3.0% 1.91 38,200 USD
2020-03-19 2020-03-17 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
0
0.00
0 USD
0 0.00 0 USD
2020-03-19 2020-03-17 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
1,951,219 +7.4%
2.05
3,999,999 USD
1,951,219 +7.4% 2.05 3,999,999 USD
2020-02-05 2020-02-03 B Purchase

ARMISTICE CAPITAL, LLC

Major owner
275,000 +68.8%
3.98
1,094,500 USD
275,000 +68.8% 3.98 1,094,500 USD
2020-02-05 2020-02-03 B Purchase

ARMISTICE CAPITAL, LLC

Major owner
0
0.00
0 USD
0 0.00 0 USD
2020-02-05 2020-02-03 B Purchase

ARMISTICE CAPITAL, LLC

Major owner
981,282 +3.4%
3.98
3,905,502 USD
981,282 +3.4% 3.98 3,905,502 USD
2019-12-11 2019-12-10 PP Planned purchase

Harrell James Archie Jr

Chief Commercial Officer

Officer
3,064 +35.8%
2.85
8,725 USD
3,064 +35.8% 2.85 8,725 USD
2019-12-11 2019-12-10 PP Planned purchase

Miller Joseph M

Chief Financial Officer

Officer
2,598 +5.6%
2.85
7,398 USD
2,598 +5.6% 2.85 7,398 USD
2019-12-11 2019-12-10 PP Planned purchase

Calias Pericles

Chief Scientific Officer

Officer
2,913 +5.9%
2.85
8,295 USD
2,913 +5.9% 2.85 8,295 USD
2019-09-06 2019-09-06 B Purchase

ARMISTICE CAPITAL, LLC

Major owner
0
0.00
0 USD
0 0.00 0 USD
2019-09-06 2019-09-06 B Purchase

ARMISTICE CAPITAL, LLC

Major owner
1,000,000 +5.1%
2.95
2,950,000 USD
1,000,000 +5.1% 2.95 2,950,000 USD
2019-09-06 2019-09-04 B Purchase

ARMISTICE CAPITAL, LLC

Major owner
1,200,000 +6.5%
3.13
3,756,000 USD
1,200,000 +6.5% 3.13 3,756,000 USD
2019-09-03 2019-08-30 B Purchase

ARMISTICE CAPITAL, LLC

Major owner
24,591 +0.1%
3.23
79,429 USD
24,591 +0.1% 3.23 79,429 USD
2019-09-03 2019-08-29 B Purchase

ARMISTICE CAPITAL, LLC

Major owner
17,173 +0.1%
3.21
55,125 USD
17,173 +0.1% 3.21 55,125 USD
2019-08-29 2019-08-27 B Purchase

Pedder Simon

Executive Chairman of the Bd

Executive Director
6,734 +2.6%
2.98
20,100 USD
6,734 +2.6% 2.98 20,100 USD
2019-08-20 2019-08-19 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
0
0.00
0 USD
0 0.00 0 USD
2019-08-20 2019-08-19 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
1,825 +0.0%
3.63
6,625 USD
1,825 +0.0% 3.63 6,625 USD
2019-08-20 2019-08-19 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
0
0.00
0 USD
0 0.00 0 USD
2019-08-20 2019-08-19 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
473 +0.0%
3.50
1,656 USD
473 +0.0% 3.50 1,656 USD
2019-08-20 2019-08-16 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
0
0.00
0 USD
0 0.00 0 USD
2019-08-20 2019-08-16 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
9,886 +0.1%
3.43
33,909 USD
9,886 +0.1% 3.43 33,909 USD
2019-08-14 2019-08-14 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
56,842 +16.6%
3.37
191,558 USD
56,842 +16.6% 3.37 191,558 USD
2019-08-14 2019-08-13 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
29,188 +9.3%
3.30
96,320 USD
29,188 +9.3% 3.30 96,320 USD
2019-08-14 2019-08-12 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Major owner
13,970 +4.7%
3.20
44,704 USD
13,970 +4.7% 3.20 44,704 USD
2019-06-11 2019-06-10 PP Planned purchase

Phillips Matthew V

Chief Commercial Officer

523 +105.2%
2.85
1,489 USD
523 +105.2% 2.85 1,489 USD
2019-06-11 2019-06-10 PP Planned purchase

Calias Pericles

Chief Scientific Officer

4,549 +10.1%
2.85
12,953 USD
4,549 +10.1% 2.85 12,953 USD
2019-06-11 2019-06-10 PP Planned purchase

Harrell James Archie Jr

Exec. VP, Mktg & External Comm

4,398 +105.8%
2.85
12,523 USD
4,398 +105.8% 2.85 12,523 USD
2019-06-11 2019-06-10 PP Planned purchase

Miller Joseph M

Chief Financial Officer

1,179 +2.6%
2.85
3,357 USD
1,179 +2.6% 2.85 3,357 USD
2019-06-11 2019-06-07 B Purchase

ARMISTICE CAPITAL, LLC

Major owner
5,000 +1.7%
4.90
24,500 USD
5,000 +1.7% 4.90 24,500 USD
2019-06-11 2019-06-07 B Purchase

ARMISTICE CAPITAL, LLC

Major owner
5,000 +1.7%
4.85
24,250 USD
5,000 +1.7% 4.85 24,250 USD
2019-06-05 2019-06-05 B Purchase

ARMISTICE CAPITAL, LLC

Major owner
0
0.00
0 USD
0 0.00 0 USD
2019-06-05 2019-06-05 B Purchase

ARMISTICE CAPITAL, LLC

Major owner
5,000 +0.0%
4.97
24,850 USD
5,000 +0.0% 4.97 24,850 USD
2019-06-05 2019-06-03 B Purchase

ARMISTICE CAPITAL, LLC

Major owner
0
0.00
0 USD
0 0.00 0 USD
2019-06-05 2019-06-03 B Purchase

ARMISTICE CAPITAL, LLC

Major owner
10,000 +0.1%
4.73
47,300 USD
10,000 +0.1% 4.73 47,300 USD
2019-05-31 2019-05-31 B Purchase

ARMISTICE CAPITAL, LLC

Major owner
0
0.00
0 USD
0 0.00 0 USD
2019-05-31 2019-05-31 B Purchase

ARMISTICE CAPITAL, LLC

Major owner
13,800 +0.1%
4.91
67,758 USD
13,800 +0.1% 4.91 67,758 USD
2019-05-31 2019-05-30 B Purchase

ARMISTICE CAPITAL, LLC

Major owner
0
0.00
0 USD
0 0.00 0 USD
2019-05-31 2019-05-30 B Purchase

ARMISTICE CAPITAL, LLC

Major owner
18,200 +0.1%
4.64
84,448 USD
18,200 +0.1% 4.64 84,448 USD
2019-05-31 2019-05-29 B Purchase

ARMISTICE CAPITAL, LLC

Major owner
0
0.00
0 USD
0 0.00 0 USD
2019-05-31 2019-05-29 B Purchase

ARMISTICE CAPITAL, LLC

Major owner
19,000 +0.1%
4.63
87,970 USD
19,000 +0.1% 4.63 87,970 USD
2019-05-28 2019-05-28 B Purchase

ARMISTICE CAPITAL, LLC

Major owner
0
0.00
0 USD
0 0.00 0 USD
2019-05-28 2019-05-28 B Purchase

ARMISTICE CAPITAL, LLC

Major owner
3,500 +0.0%
4.92
17,220 USD
3,500 +0.0% 4.92 17,220 USD