Stock chart
Ticker: ZSAN Exchange: NAS


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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
2022-06-07 2022-06-06 S Sale

Lo Steven

Chief Executive Officer

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

Matthews Christine

Chief Financial Officer

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

KELLERMAN DONALD J

VP, Clinical Dev & Med Affairs

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

Matthews Christine

Chief Financial Officer

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

Lo Steven

Chief Executive Officer

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

GREATHOUSE KENNETH

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

Lewis Hayley

See Remarks

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

KELLERMAN DONALD J

VP, Clinical Dev & Med Affairs

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

Matthews Christine

Chief Financial Officer

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

WALKER JOHN PETER

President & CEO

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

Amzak Capital Management, LLC

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

Amzak Capital Management, LLC

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

Amzak Capital Management, LLC

Large shareholder
1,500 -0.6%
11.00
USD 16,500
1,500 -0.6% 11.00 USD 16,500
2017-12-08 2017-12-06 B Purchase

GREATHOUSE KENNETH

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

GREATHOUSE KENNETH

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

GREATHOUSE KENNETH

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

GREATHOUSE KENNETH

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

GREATHOUSE KENNETH

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

Erbez Georgia

CFO and Chief Business Officer

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

WALKER JOHN PETER

Interim CEO

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

WALKER JOHN PETER

Interim CEO

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

New Enterprise Associates 12, Limited Partnership

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

BARRETT M JAMES

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

New Enterprise Associates 12, Limited Partnership

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

BARRETT M JAMES

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

BARRETT M JAMES

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

New Enterprise Associates 12, Limited Partnership

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

New Enterprise Associates 12, Limited Partnership

Large shareholder
50,000 -2.4%
1.01
USD 50,440
50,000 -2.4% 1.01 USD 50,440
2016-08-31 2016-08-29 S Sale

BARRETT M JAMES

Large shareholder
50,000 -2.4%
1.01
USD 50,440
50,000 -2.4% 1.01 USD 50,440
2016-08-26 2016-08-24 S Sale

BARRETT M JAMES

Large shareholder
1,200 -0.1%
1.21
USD 1,452
1,200 -0.1% 1.21 USD 1,452
2016-08-26 2016-08-24 S Sale

New Enterprise Associates 12, Limited Partnership

Large shareholder
1,200 -0.1%
1.21
USD 1,452
1,200 -0.1% 1.21 USD 1,452
2016-08-22 2016-08-19 B Purchase

Erbez Georgia

Interim CFO

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

KELLERMAN DONALD J

VP, Clinical Dev & Med Affairs

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

Lewis Hayley

VP, Reg Affairs & Quality

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

WALKER JOHN PETER

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

Alataris Konstantinos

President, CEO

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

XANTHOPOULOS KLEANTHIS G

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

BARRETT M JAMES

Large shareholder
8,989 -0.4%
1.33
USD 11,957
8,989 -0.4% 1.33 USD 11,957
2016-07-21 2016-07-21 S Sale

New Enterprise Associates 12, Limited Partnership

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

BARRETT M JAMES

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

New Enterprise Associates 12, Limited Partnership

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

BARRETT M JAMES

Large shareholder
534 -0.0%
1.17
USD 625
534 -0.0% 1.17 USD 625
2016-07-21 2016-07-19 S Sale

New Enterprise Associates 12, Limited Partnership

Large shareholder
534 -0.0%
1.17
USD 625
534 -0.0% 1.17 USD 625
2016-07-15 2016-07-13 S Sale

BARRETT M JAMES

Large shareholder
13,382 -0.6%
1.20
USD 16,060
13,382 -0.6% 1.20 USD 16,060
2016-07-15 2016-07-13 S Sale

New Enterprise Associates 12, Limited Partnership

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

BARRETT M JAMES

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

New Enterprise Associates 12, Limited Partnership

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

BioMed Realty Trust Inc

Large shareholder
26,543 +5.1%
11.00
USD 291,973
26,543 +5.1% 11.00 USD 291,973
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