Stock chart
Ticker: ZSAN 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
2022-06-07 2022-06-06 S Sale

Lo Steven

Chief Executive Officer

Executive Director
442 -3.2%
0.71
314 USD
442 -3.2% 0.71 314 USD
2022-06-07 2022-06-06 S Sale

Matthews Christine

Chief Financial Officer

Officer
82 -1.9%
0.71
58 USD
82 -1.9% 0.71 58 USD
2022-04-01 2022-03-31 S Sale

KELLERMAN DONALD J

VP, Clinical Dev & Med Affairs

Officer
4,006 -6.6%
0.21
842 USD
4,006 -6.6% 0.21 842 USD
2022-04-01 2022-03-31 S Sale

Matthews Christine

Chief Financial Officer

Officer
8,116 -5.3%
0.21
1,705 USD
8,116 -5.3% 0.21 1,705 USD
2022-04-01 2022-03-31 S Sale

Lo Steven

Chief Executive Officer

Executive Director
23,633 -4.9%
0.21
4,965 USD
23,633 -4.9% 0.21 4,965 USD
2021-11-24 2021-11-23 S Sale

GREATHOUSE KENNETH

Non-Executive Director
10,000 -18.7%
0.60
6,018 USD
10,000 -18.7% 0.60 6,018 USD
2021-06-07 2021-06-04 S Sale

Lewis Hayley

See Remarks

Officer
1,709 -3.3%
0.81
1,376 USD
1,709 -3.3% 0.81 1,376 USD
2021-06-07 2021-06-04 S Sale

KELLERMAN DONALD J

VP, Clinical Dev & Med Affairs

Officer
1,709 -3.3%
0.81
1,376 USD
1,709 -3.3% 0.81 1,376 USD
2021-06-07 2021-06-04 S Sale

Matthews Christine

Chief Financial Officer

Officer
1,709 -1.7%
0.81
1,376 USD
1,709 -1.7% 0.81 1,376 USD
2019-04-18 2019-04-11 B Purchase

WALKER JOHN PETER

President & CEO

Executive Director
100,000 +55.5%
3.50
350,000 USD
100,000 +55.5% 3.50 350,000 USD
2018-02-28 2018-02-27 S Sale

Amzak Capital Management, LLC

Major owner
5,901 -100.0%
8.26
48,760 USD
5,901 -100.0% 8.26 48,760 USD
2018-02-28 2018-02-27 S Sale

Amzak Capital Management, LLC

Major owner
80,880 -31.6%
8.36
675,914 USD
80,880 -31.6% 8.36 675,914 USD
2018-02-28 2018-02-26 S Sale

Amzak Capital Management, LLC

Major owner
1,500 -0.6%
11.00
16,500 USD
1,500 -0.6% 11.00 16,500 USD
2017-12-08 2017-12-06 B Purchase

GREATHOUSE KENNETH

55,000 +37.9%
0.61
33,407 USD
55,000 +37.9% 0.61 33,407 USD
2017-12-04 2017-12-01 B Purchase

GREATHOUSE KENNETH

50,000 +52.6%
0.62
31,080 USD
50,000 +52.6% 0.62 31,080 USD
2017-12-04 2017-11-30 B Purchase

GREATHOUSE KENNETH

45,000 +90.0%
0.62
27,927 USD
45,000 +90.0% 0.62 27,927 USD
2017-11-16 2017-11-15 B Purchase

GREATHOUSE KENNETH

15,000 +42.9%
0.58
8,675 USD
15,000 +42.9% 0.58 8,675 USD
2017-11-16 2017-11-14 B Purchase

GREATHOUSE KENNETH

35,000 +inf%
0.64
22,484 USD
35,000 +inf% 0.64 22,484 USD
2017-05-25 2017-05-25 B Purchase

Erbez Georgia

CFO and Chief Business Officer

Officer
68,000 +142.4%
1.32
89,760 USD
68,000 +142.4% 1.32 89,760 USD
2017-05-25 2017-05-25 B Purchase

WALKER JOHN PETER

Interim CEO

Executive Director
37,550 +22.2%
1.37
51,338 USD
37,550 +22.2% 1.37 51,338 USD
2017-05-25 2017-05-24 B Purchase

WALKER JOHN PETER

Interim CEO

Executive Director
36,166 +27.2%
1.34
48,553 USD
36,166 +27.2% 1.34 48,553 USD
2017-02-14 2017-02-13 S Sale

New Enterprise Associates 12, Limited Partnership

Major owner
1,099,996 -53.6%
2.01
2,211,432 USD
1,099,996 -53.6% 2.01 2,211,432 USD
2017-02-14 2017-02-13 S Sale

BARRETT M JAMES

Major owner
1,099,996 -53.6%
2.01
2,211,432 USD
1,099,996 -53.6% 2.01 2,211,432 USD
2016-09-20 2016-09-16 S Sale

New Enterprise Associates 12, Limited Partnership

Major owner
7,471 -0.4%
0.75
5,603 USD
7,471 -0.4% 0.75 5,603 USD
2016-09-20 2016-09-16 S Sale

BARRETT M JAMES

Major owner
7,471 -0.4%
0.75
5,603 USD
7,471 -0.4% 0.75 5,603 USD
2016-09-15 2016-09-13 S Sale

BARRETT M JAMES

Major owner
10,000 -0.5%
0.74
7,400 USD
10,000 -0.5% 0.74 7,400 USD
2016-09-15 2016-09-13 S Sale

New Enterprise Associates 12, Limited Partnership

Major owner
10,000 -0.5%
0.74
7,400 USD
10,000 -0.5% 0.74 7,400 USD
2016-08-31 2016-08-29 S Sale

New Enterprise Associates 12, Limited Partnership

Major owner
50,000 -2.4%
1.01
50,440 USD
50,000 -2.4% 1.01 50,440 USD
2016-08-31 2016-08-29 S Sale

BARRETT M JAMES

Major owner
50,000 -2.4%
1.01
50,440 USD
50,000 -2.4% 1.01 50,440 USD
2016-08-26 2016-08-24 S Sale

BARRETT M JAMES

Major owner
1,200 -0.1%
1.21
1,452 USD
1,200 -0.1% 1.21 1,452 USD
2016-08-26 2016-08-24 S Sale

New Enterprise Associates 12, Limited Partnership

Major owner
1,200 -0.1%
1.21
1,452 USD
1,200 -0.1% 1.21 1,452 USD
2016-08-22 2016-08-19 B Purchase

Erbez Georgia

Interim CFO

Officer
47,750 +inf%
1.32
63,030 USD
47,750 +inf% 1.32 63,030 USD
2016-08-22 2016-08-19 B Purchase

KELLERMAN DONALD J

VP, Clinical Dev & Med Affairs

Officer
15,920 +inf%
1.32
21,014 USD
15,920 +inf% 1.32 21,014 USD
2016-08-22 2016-08-19 B Purchase

Lewis Hayley

VP, Reg Affairs & Quality

Officer
4,775 +inf%
1.32
6,303 USD
4,775 +inf% 1.32 6,303 USD
2016-08-22 2016-08-19 B Purchase

WALKER JOHN PETER

Non-Executive Director
63,700 +inf%
1.32
84,084 USD
63,700 +inf% 1.32 84,084 USD
2016-08-22 2016-08-19 B Purchase

Alataris Konstantinos

President, CEO

Executive Director
127,389 +inf%
1.32
168,153 USD
127,389 +inf% 1.32 168,153 USD
2016-08-22 2016-08-19 B Purchase

XANTHOPOULOS KLEANTHIS G

Non-Executive Director
15,920 +265.3%
1.32
21,014 USD
15,920 +265.3% 1.32 21,014 USD
2016-07-21 2016-07-21 S Sale

BARRETT M JAMES

Major owner
8,989 -0.4%
1.33
11,957 USD
8,989 -0.4% 1.33 11,957 USD
2016-07-21 2016-07-21 S Sale

New Enterprise Associates 12, Limited Partnership

Major owner
8,989 -0.4%
1.33
11,957 USD
8,989 -0.4% 1.33 11,957 USD
2016-07-21 2016-07-20 S Sale

BARRETT M JAMES

Major owner
14,158 -0.7%
1.24
17,550 USD
14,158 -0.7% 1.24 17,550 USD
2016-07-21 2016-07-20 S Sale

New Enterprise Associates 12, Limited Partnership

Major owner
14,158 -0.7%
1.24
17,550 USD
14,158 -0.7% 1.24 17,550 USD
2016-07-21 2016-07-19 S Sale

BARRETT M JAMES

Major owner
534 -0.0%
1.17
625 USD
534 -0.0% 1.17 625 USD
2016-07-21 2016-07-19 S Sale

New Enterprise Associates 12, Limited Partnership

Major owner
534 -0.0%
1.17
625 USD
534 -0.0% 1.17 625 USD
2016-07-15 2016-07-13 S Sale

BARRETT M JAMES

Major owner
13,382 -0.6%
1.20
16,060 USD
13,382 -0.6% 1.20 16,060 USD
2016-07-15 2016-07-13 S Sale

New Enterprise Associates 12, Limited Partnership

Major owner
13,382 -0.6%
1.20
16,060 USD
13,382 -0.6% 1.20 16,060 USD
2015-02-02 2015-01-30 B Purchase

BARRETT M JAMES

Non-Executive Director Major owner
23,457 +1.1%
11.00
258,027 USD
23,457 +1.1% 11.00 258,027 USD
2015-02-02 2015-01-30 B Purchase

New Enterprise Associates 12, Limited Partnership

Major owner
23,457 +1.1%
11.00
258,027 USD
23,457 +1.1% 11.00 258,027 USD
2015-02-02 2015-01-30 B Purchase

BioMed Realty Trust Inc

Major owner
26,543 +5.1%
11.00
291,973 USD
26,543 +5.1% 11.00 291,973 USD