- Corporate Officers - Z
- Zakrzewski Joseph S
Insider Trading History of Zakrzewski Joseph S
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Zakrzewski Joseph S since 2008.
This trader's CIK number is 1331852.
At the time of last reporting, Zakrzewski Joseph S was the Officer of An2 Therapeutics, Inc.. (stock ticker symbol ANTX).
Also see all insider trading activities at An2 Therapeutics, Inc..
Note that in the past
Zakrzewski Joseph S also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at An2 Therapeutics, Inc. (ANTX) by Zakrzewski Joseph S
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2024 | ANTX | 25,000 | $25,050 | 100,000 | $1,911,400 | 0 | $0 |
Yearly summary of insider trading at Sangamo Therapeutics, Inc (SGMO) by Zakrzewski Joseph S
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2020 | SGMO | 25,000 | $147,950 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Dov Pharmaceutical Inc (DOVP) by Zakrzewski Joseph S
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2008 | DOVP | 1,271,029 | $20,652 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Insulet Corp (PODD) by Zakrzewski Joseph S
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2017 | PODD | 0 | $0 | 40,000 | $1,884,480 | 40,000 | $631,520 |
| 2012 | PODD | 0 | $0 | 5,000 | $101,936 | 0 | $0 |
| 2008 | PODD | 5,000 | $23,550 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Cyteir Therapeutics, Inc. (CYT) by Zakrzewski Joseph S
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2024 | CYT | 0 | $0 | 0 | $0 | 14,150 | $23,913 |
| 2022 | CYT | 71,608 | $122,639 | 0 | $0 | 0 | $0 |
| 2021 | CYT | 5,000 | $52,821 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Amarin Corp Plc\uk (AMRN) by Zakrzewski Joseph S
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2021 | AMRN | 12,000 | $39,000 | 0 | $0 | 0 | $0 |
| 2020 | AMRN | 0 | $0 | 300,000 | $6,282,900 | 400,000 | $1,360,000 |
| 2019 | AMRN | 0 | $0 | 1,207,125 | $20,740,385 | 1,065,625 | $5,266,075 |
| 2018 | AMRN | 0 | $0 | 500,000 | $5,618,500 | 500,000 | $1,700,000 |
| 2013 | AMRN | 50,777 | $78,196 | 0 | $0 | 63,333 | $40,500 |
| 2012 | AMRN | 0 | $0 | 610,000 | $7,682,810 | 610,000 | $823,500 |
| 2011 | AMRN | 0 | $0 | 460,000 | $6,072,120 | 485,000 | $962,250 |
Yearly summary of insider trading at Acceleron Pharma Inc (XLRN) by Zakrzewski Joseph S
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2021 | XLRN | 0 | $0 | 20,000 | $2,757,300 | 20,000 | $482,200 |
| 2020 | XLRN | 0 | $0 | 0 | $0 | 18,750 | $72,750 |
| 2019 | XLRN | 5,000 | $190,250 | 0 | $0 | 0 | $0 |
| 2016 | XLRN | 4,000 | $102,000 | 0 | $0 | 0 | $0 |
Insider trading activities at 7 companies by Zakrzewski Joseph S:
1. An2 Therapeutics, Inc. (ANTX)
2. Sangamo Therapeutics, Inc (SGMO)
3. Dov Pharmaceutical Inc (DOVP)
4. Insulet Corp (PODD)
5. Cyteir Therapeutics, Inc. (CYT)
6. Amarin Corp Plc\uk (AMRN)
7. Acceleron Pharma Inc (XLRN)
Table 1. Insider trading of An2 Therapeutics, Inc. (ANTX) by Zakrzewski Joseph S
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2024-11-18 | ANTX | Buy | 20,000 | 1.00 | 20,000 |
| 2024-11-19 | ANTX | Buy | 5,000 | 1.01 | 5,050 |
| 2024-01-18 | ANTX | Sale | 100,000 | 19.11 | 1,911,400 |
Table 2. Insider trading of Sangamo Therapeutics, Inc (SGMO) by Zakrzewski Joseph S
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2020-03-17 | SGMO | Buy | 5,000 | 4.99 | 24,950 |
| 2020-03-13 | SGMO | Buy | 5,000 | 5.67 | 28,350 |
| 2020-03-12 | SGMO | Buy | 15,000 | 6.31 | 94,650 |
Table 3. Insider trading of Dov Pharmaceutical Inc (DOVP) by Zakrzewski Joseph S
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2008-11-19 | DOVP | Buy | 772,327 | .00 | 2,316 |
| 2008-09-30 | DOVP | Buy | 125,000 | .04 | 5,000 |
| 2008-09-15 | DOVP | Buy | 16,500 | .04 | 610 |
| 2008-09-12 | DOVP | Buy | 10,000 | .04 | 370 |
| 2008-09-05 | DOVP | Buy | 7,051 | .04 | 260 |
| 2008-09-08 | DOVP | Buy | 51,500 | .04 | 1,905 |
| 2008-09-09 | DOVP | Buy | 1,330 | .04 | 49 |
| 2008-08-27 | DOVP | Buy | 200,000 | .04 | 7,000 |
| 2008-07-16 | DOVP | Buy | 10,495 | .04 | 377 |
| 2008-06-27 | DOVP | Buy | 1,000 | .04 | 36 |
| 2008-06-30 | DOVP | Buy | 75,826 | .04 | 2,729 |
Table 4. Insider trading of Insulet Corp (PODD) by Zakrzewski Joseph S
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2017-03-02 | PODD | Option Ex | 40,000 | 15.79 | 631,520 |
| 2017-03-02 | PODD | Sale | 40,000 | 47.11 | 1,884,480 |
| 2012-02-17 | PODD | Sale | 3,000 | 20.20 | 60,594 |
| 2012-02-16 | PODD | Sale | 2,000 | 20.67 | 41,342 |
| 2008-11-11 | PODD | Buy | 5,000 | 4.71 | 23,550 |
Table 5. Insider trading of Cyteir Therapeutics, Inc. (CYT) by Zakrzewski Joseph S
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2024-02-06 | CYT | Option Ex | 14,150 | 1.69 | 23,913 |
| 2022-12-07 | CYT | Buy | 21,202 | 1.30 | 27,562 |
| 2022-05-11 | CYT | Buy | 1,000 | 1.70 | 1,700 |
| 2022-05-10 | CYT | Buy | 49,406 | 1.89 | 93,377 |
| 2021-12-23 | CYT | Buy | 200 | 9.87 | 1,973 |
| 2021-12-27 | CYT | Buy | 299 | 10.07 | 3,012 |
| 2021-12-28 | CYT | Buy | 601 | 9.85 | 5,919 |
| 2021-12-17 | CYT | Buy | 200 | 9.88 | 1,976 |
| 2021-12-15 | CYT | Buy | 3,700 | 10.79 | 39,941 |
Table 6. Insider trading of Amarin Corp Plc\uk (AMRN) by Zakrzewski Joseph S
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2021-12-14 | AMRN | Buy | 10,000 | 3.27 | 32,690 |
| 2021-12-15 | AMRN | Buy | 2,000 | 3.15 | 6,310 |
| 2020-10-21 | AMRN | Option Ex | 100,000 | 3.40 | 340,000 |
| 2020-01-03 | AMRN | Sale | 300,000 | 20.94 | 6,282,900 |
| 2020-01-03 | AMRN | Option Ex | 300,000 | 3.40 | 1,020,000 |
| 2019-12-16 | AMRN | Option Ex | 100,000 | 9.00 | 900,000 |
| 2019-12-16 | AMRN | Sale | 100,000 | 25.83 | 2,583,400 |
| 2019-07-05 | AMRN | Option Ex | 100,000 | 9.00 | 900,000 |
| 2019-07-05 | AMRN | Sale | 100,000 | 23.82 | 2,381,600 |
| 2019-06-18 | AMRN | Sale | 100,000 | 19.02 | 1,902,100 |
| 2019-06-18 | AMRN | Option Ex | 100,000 | 3.40 | 340,000 |
| 2019-02-22 | AMRN | Option Ex | 180,625 | 8.48 | 1,531,700 |
| 2019-02-22 | AMRN | Sale | 180,625 | 19.90 | 3,594,437 |
| 2019-01-10 | AMRN | Sale | 200,000 | 16.98 | 3,396,400 |
| 2019-01-10 | AMRN | Option Ex | 200,000 | 3.40 | 680,000 |
| 2019-01-02 | AMRN | Option Ex | 385,000 | 2.38 | 914,375 |
| 2019-01-02 | AMRN | Sale | 385,000 | 13.03 | 5,015,780 |
| 2018-12-28 | AMRN | Sale | 141,500 | 13.19 | 1,866,668 |
| 2018-09-24 | AMRN | Option Ex | 500,000 | 3.40 | 1,700,000 |
| 2018-09-24 | AMRN | Sale | 500,000 | 11.24 | 5,618,500 |
| 2013-11-18 | AMRN | Buy | 50,777 | 1.54 | 78,196 |
| 2013-07-26 | AMRN | Option Ex | 33,333 | .00 | 0 |
| 2013-06-25 | AMRN | Option Ex | 10,000 | 1.35 | 13,500 |
| 2013-06-21 | AMRN | Option Ex | 10,000 | 1.35 | 13,500 |
| 2013-04-25 | AMRN | Option Ex | 10,000 | 1.35 | 13,500 |
| 2012-10-01 | AMRN | Option Ex | 150,000 | 1.35 | 202,500 |
| 2012-10-01 | AMRN | Sale | 150,000 | 12.56 | 1,884,300 |
| 2012-07-27 | AMRN | Sale | 150,000 | 14.32 | 2,148,750 |
| 2012-07-27 | AMRN | Option Ex | 150,000 | 1.35 | 202,500 |
| 2012-05-29 | AMRN | Option Ex | 150,000 | 1.35 | 202,500 |
| 2012-05-29 | AMRN | Sale | 150,000 | 11.97 | 1,795,200 |
| 2012-03-23 | AMRN | Option Ex | 160,000 | 1.35 | 216,000 |
| 2012-03-23 | AMRN | Sale | 160,000 | 11.59 | 1,854,560 |
| 2011-11-07 | AMRN | Option Ex | 5,000 | 1.35 | 6,750 |
| 2011-08-22 | AMRN | Option Ex | 5,000 | 1.35 | 6,750 |
| 2011-07-15 | AMRN | Option Ex | 5,000 | 1.35 | 6,750 |
| 2011-04-18 | AMRN | Option Ex | 300,000 | 2.38 | 712,500 |
| 2011-04-18 | AMRN | Sale | 300,000 | 15.76 | 4,728,300 |
| 2011-03-09 | AMRN | Option Ex | 10,000 | 1.35 | 13,500 |
| 2011-02-25 | AMRN | Sale | 60,000 | 8.16 | 489,720 |
| 2011-02-25 | AMRN | Option Ex | 60,000 | 1.35 | 81,000 |
| 2011-02-22 | AMRN | Option Ex | 100,000 | 1.35 | 135,000 |
| 2011-02-22 | AMRN | Sale | 100,000 | 8.54 | 854,100 |
Table 7. Insider trading of Acceleron Pharma Inc (XLRN) by Zakrzewski Joseph S
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2021-04-05 | XLRN | Option Ex | 10,000 | 24.11 | 241,100 |
| 2021-04-05 | XLRN | Sale | 10,000 | 141.29 | 1,412,870 |
| 2021-04-01 | XLRN | Sale | 10,000 | 134.44 | 1,344,430 |
| 2021-04-01 | XLRN | Option Ex | 10,000 | 24.11 | 241,100 |
| 2020-01-07 | XLRN | Option Ex | 18,750 | 3.88 | 72,750 |
| 2019-06-14 | XLRN | Buy | 5,000 | 38.05 | 190,250 |
| 2016-12-30 | XLRN | Buy | 4,000 | 25.50 | 102,000 |
Insider trading activities including stock purchases, stock sales, and option exercises
listed in the above table cannot be completely guaranteed as to their accuracy.
For more information regarding the trades made by Zakrzewski Joseph S
(Officer of An2 Therapeutics, Inc. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.