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
2019-05-28 2019-05-24 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2019-05-28 2019-05-24 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
11,400 +0.1%
5.01
57,114 USD
11,400 +0.1% 5.01 57,114 USD
2019-05-28 2019-05-23 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2019-05-28 2019-05-23 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
14,100 +0.1%
5.05
71,205 USD
14,100 +0.1% 5.05 71,205 USD
2019-05-20 2019-05-17 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2019-05-20 2019-05-17 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
1,798 +0.0%
5.33
9,583 USD
1,798 +0.0% 5.33 9,583 USD
2019-05-20 2019-05-16 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2019-05-20 2019-05-16 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
8,202 +0.0%
5.15
42,240 USD
8,202 +0.0% 5.15 42,240 USD
2019-05-16 2019-05-14 B Purchase

Pedder Simon

Executive Chairman of the Bd

Executive Director
6,000 +inf%
5.06
30,336 USD
6,000 +inf% 5.06 30,336 USD
2019-05-14 2019-05-14 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2019-05-14 2019-05-14 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
4,909 +0.0%
5.27
25,870 USD
4,909 +0.0% 5.27 25,870 USD
2019-05-14 2019-05-13 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2019-05-14 2019-05-13 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
12,587 +0.1%
4.85
61,047 USD
12,587 +0.1% 4.85 61,047 USD
2019-05-14 2019-05-10 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2019-05-14 2019-05-10 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
2,504 +0.0%
4.95
12,395 USD
2,504 +0.0% 4.95 12,395 USD
2019-03-27 2019-03-27 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2019-03-27 2019-03-27 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
10,000 +0.1%
5.48
54,800 USD
10,000 +0.1% 5.48 54,800 USD
2019-03-27 2019-03-26 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
10,000 +3.6%
5.52
55,200 USD
10,000 +3.6% 5.52 55,200 USD
2019-03-27 2019-03-26 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2019-03-27 2019-03-26 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
16,238 +0.1%
5.48
88,984 USD
16,238 +0.1% 5.48 88,984 USD
2019-03-27 2019-03-25 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2019-03-27 2019-03-25 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
13,762 +0.1%
5.40
74,315 USD
13,762 +0.1% 5.40 74,315 USD
2019-03-08 2019-03-08 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2019-03-08 2019-03-08 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2019-03-08 2019-03-08 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
4,000 +0.0%
5.46
21,835 USD
4,000 +0.0% 5.46 21,835 USD
2019-03-08 2019-03-07 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2019-03-08 2019-03-07 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2019-03-08 2019-03-07 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
2,500 +0.0%
5.51
13,781 USD
2,500 +0.0% 5.51 13,781 USD
2019-03-08 2019-03-07 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2019-03-08 2019-03-07 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2019-03-08 2019-03-07 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
500 +0.0%
5.36
2,681 USD
500 +0.0% 5.36 2,681 USD
2019-03-08 2019-03-07 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2019-03-08 2019-03-07 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2019-03-08 2019-03-07 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
3,000 +0.0%
5.45
16,345 USD
3,000 +0.0% 5.45 16,345 USD
2019-03-08 2019-03-06 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2019-03-08 2019-03-06 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2019-03-08 2019-03-06 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
849 +0.0%
5.50
4,669 USD
849 +0.0% 5.50 4,669 USD
2019-03-08 2019-03-06 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2019-03-08 2019-03-06 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2019-03-08 2019-03-06 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
124,637 +0.7%
5.50
685,504 USD
124,637 +0.7% 5.50 685,504 USD
2019-03-08 2019-03-06 B Purchase

ARMISTICE CAPITAL, LLC

Large shareholder
239,000 +582.9%
5.50
1,314,500 USD
239,000 +582.9% 5.50 1,314,500 USD
2019-01-11 2019-01-11 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
579 +0.0%
3.92
2,270 USD
579 +0.0% 3.92 2,270 USD
2019-01-11 2019-01-11 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
421 +0.0%
3.89
1,639 USD
421 +0.0% 3.89 1,639 USD
2019-01-11 2019-01-11 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
2,500 +0.0%
3.88
9,695 USD
2,500 +0.0% 3.88 9,695 USD
2019-01-11 2019-01-11 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
2,500 +0.0%
3.89
9,718 USD
2,500 +0.0% 3.89 9,718 USD
2019-01-11 2019-01-11 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
6,651 +0.0%
3.91
25,991 USD
6,651 +0.0% 3.91 25,991 USD
2019-01-11 2019-01-10 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
800 +0.0%
3.70
2,958 USD
800 +0.0% 3.70 2,958 USD
2019-01-11 2019-01-09 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
545 +0.0%
3.79
2,064 USD
545 +0.0% 3.79 2,064 USD
2019-01-08 2019-01-08 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
500 +0.0%
3.70
1,849 USD
500 +0.0% 3.70 1,849 USD
2019-01-08 2019-01-07 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
6,504 +0.0%
3.65
23,745 USD
6,504 +0.0% 3.65 23,745 USD
2019-01-08 2019-01-04 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
20,000 +0.1%
3.42
68,320 USD
20,000 +0.1% 3.42 68,320 USD
2018-12-31 2018-12-31 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2018-12-31 2018-12-31 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2018-12-31 2018-12-31 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
12,300 +0.1%
3.18
39,081 USD
12,300 +0.1% 3.18 39,081 USD
2018-12-31 2018-12-28 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2018-12-31 2018-12-28 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2018-12-31 2018-12-28 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
26,499 +0.1%
3.12
82,677 USD
26,499 +0.1% 3.12 82,677 USD
2018-12-18 2018-12-18 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2018-12-18 2018-12-18 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2018-12-18 2018-12-18 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
7,030 +0.0%
3.31
23,262 USD
7,030 +0.0% 3.31 23,262 USD
2018-12-18 2018-12-17 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2018-12-18 2018-12-17 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2018-12-18 2018-12-17 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
14,938 +0.1%
3.26
48,701 USD
14,938 +0.1% 3.26 48,701 USD
2018-12-18 2018-12-14 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2018-12-18 2018-12-14 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2018-12-18 2018-12-14 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
28,032 +0.2%
3.33
93,445 USD
28,032 +0.2% 3.33 93,445 USD
2018-12-11 2018-12-10 PP Planned purchase

Phillips Matthew V

Chief Commercial Officer

Officer
497 +inf%
2.85
1,415 USD
497 +inf% 2.85 1,415 USD
2018-12-11 2018-12-10 PP Planned purchase

Harrell James Archie Jr

Exec. VP, Mktg & External Comm

Officer
4,156 +inf%
2.85
11,834 USD
4,156 +inf% 2.85 11,834 USD
2018-12-10 2018-12-10 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2018-12-10 2018-12-10 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2018-12-10 2018-12-10 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
4,000 +0.0%
3.36
13,420 USD
4,000 +0.0% 3.36 13,420 USD
2018-12-10 2018-12-10 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2018-12-10 2018-12-10 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
0
0.00
0 USD
0 0.00 0 USD
2018-12-10 2018-12-10 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
8,000 +0.0%
3.36
26,864 USD
8,000 +0.0% 3.36 26,864 USD
2018-12-10 2018-12-10 B Purchase

ARMISTICE CAPITAL, LLC

Non-Executive Director Large shareholder
0
0.00
0 USD
0 0.00 0 USD