Doberstein Stephen K

Average Profitability
17.27%
Insider Buys Quantity
1
Insider Buys Sum
$259,200.00
Insider Sells Quantity
20
Insider Sells Sum
$58.95M

Insider Activity of Doberstein Stephen K

The largest purchase of all time was on 2019-09-05 and amounted to 15000 shares of Nektar Therapeutics for $259,200.

The largest sale of all time was on 2018-04-06 and amounted to 221000 shares of Nektar Therapeutics for $20.26M.

Biography of Doberstein Stephen K

No biography is available at this moment.

2019-09-05PurchaseNektar Therapeutics
NKTR
SVP & Chief Scientific Officer
15,000
0.0085%
$17.28$259,200+17.27%
2019-08-16SaleNektar Therapeutics
NKTR
SVP & Chief Scientific Officer
3,245
0.0019%
$18.15$58,897+12.6%
2019-05-16SaleNektar Therapeutics
NKTR
SVP & Chief Scientific Officer
3,461
0.002%
$31.37$108,572-34.99%
2019-02-19SaleNektar Therapeutics
NKTR
SVP & Chief Scientific Officer
3,310
0.0019%
$42.39$140,311-45.98%
2018-11-16SaleNektar Therapeutics
NKTR
SVP & Chief Scientific Officer
9,048
0.0053%
$38.25$346,086-13.71%
2018-05-16SaleNektar Therapeutics
NKTR
SVP & Chief Scientific Officer
6,870
0.0039%
$83.39$572,889-50.1%
2018-04-09SaleNektar Therapeutics
NKTR
SVP & Chief Scientific Officer
99,000
0.0532%
$96.13$9.52M-54.2%
2018-04-06SaleNektar Therapeutics
NKTR
SVP & Chief Scientific Officer
221,000
0.126%
$91.69$20.26M-48.97%
2018-02-16SaleNektar Therapeutics
NKTR
SVP & Chief Scientific Officer
4,852
0.003%
$82.94$402,425-35.67%
2017-11-08SaleNektar Therapeutics
NKTR
SVP & Chief Scientific Officer
600,000
0.3763%
$30.09$18.05M+97.99%
2017-11-07SaleNektar Therapeutics
NKTR
SVP & Chief Scientific Officer
150,818
0.0915%
$25.78$3.89M+123.51%
2017-11-06SaleNektar Therapeutics
NKTR
SVP & Chief Scientific Officer
41,828
0.0188%
$17.25$721,742+147.08%
2017-10-05SaleNektar Therapeutics
NKTR
SVP & Chief Scientific Officer
87,354
0.0385%
$17.25$1.51M+142.97%
2017-08-16SaleNektar Therapeutics
NKTR
SVP & Chief Scientific Officer
3,402
0.0022%
$19.32$65,727+190.8%
2017-05-16SaleNektar Therapeutics
NKTR
SVP & Chief Scientific Officer
3,402
0.0022%
$19.55$66,509+96.16%
2017-04-05SaleNektar Therapeutics
NKTR
SVP & Chief Scientific Officer
200,000
0.0954%
$15.62$3.12M+10.86%
2017-02-16SaleNektar Therapeutics
NKTR
SVP & Chief Scientific Officer
2,522
0.0017%
$13.14$33,139+68.57%
2016-11-16SaleNektar Therapeutics
NKTR
SVP & Chief Scientific Officer
1,340
0.001%
$13.96$18,706+37.06%
2016-08-16SaleNektar Therapeutics
NKTR
SVP & Chief Scientific Officer
2,672
0.002%
$17.56$46,920+0.83%
2016-05-17SaleNektar Therapeutics
NKTR
SVP & Chief Scientific Officer
678
0.0005%
$13.58$9,207+13.9%
Company
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