Doberstein Stephen K
CIK: 0001480111
Director
Primary company: NEKTAR THERAPEUTICS (NKTR)
Doberstein Stephen K is a corporate insider at NEKTAR THERAPEUTICS (NKTR) filing SEC Form 4 transactions. 90 transactions across 3 companies, totaling $259,200 in purchases and $28,567,503 in sales. Source: SEC EDGAR.
Companies
Transaction History
Source: SEC EDGAR Form 4 insider transaction filings.
Company | Type | Shares | Price | Value | Shares After | Date | SEC |
|---|---|---|---|---|---|---|---|
| Disposition | 18,353 | - | - | 0 | 8/27/2026 Filed: 8/27/2026 | Filing → | |
| Disposition | 31,000 | $7.54 | $234K | 0 | 8/27/2026 Filed: 8/27/2026 | Filing → | |
| Disposition | 2,000 | $8.60 | $17K | 0 | 8/27/2026 Filed: 8/27/2026 | Filing → | |
| Disposition | 1,000 | $20.00 | $20K | 0 | 8/27/2026 Filed: 8/27/2026 | Filing → | |
| Disposition | 1,000 | $31.75 | $32K | 0 | 8/27/2026 Filed: 8/27/2026 | Filing → | |
| Disposition | 2,000 | $29.50 | $59K | 0 | 8/27/2026 Filed: 8/27/2026 | Filing → | |
| Award | 31,000 | $7.54 | $234K | 31,000 | 3/20/2025 Filed: 3/21/2025 | Filing → | |
| Award | 50,000 | - | - | 50,000 | 8/20/2024 Filed: 8/22/2024 | Filing → | |
| Award | 25,000 | $0.00 | $0 | 25,000 | 9/19/2023 Filed: 9/20/2023 | Filing → | |
| Award | 25,000 | $0.00 | $0 | 25,000 | 6/1/2022 Filed: 6/2/2022 | Filing → | |
| Award | 50,000 | $0.00 | $0 | 50,000 | 5/12/2022 Filed: 5/16/2022 | Filing → | |
Dicerna Pharmaceuticals Inc DRNA | Disposition | 15,000 | - | - | 0 | 12/28/2021 Filed: 12/29/2021 | Filing → |
Dicerna Pharmaceuticals Inc DRNA | Disposition | 15,000 | - | - | 0 | 12/28/2021 Filed: 12/29/2021 | Filing → |
Dicerna Pharmaceuticals Inc DRNA | Disposition | 25,000 | - | - | 0 | 12/28/2021 Filed: 12/29/2021 | Filing → |
Dicerna Pharmaceuticals Inc DRNA | Disposition | 3,333 | - | - | 0 | 12/28/2021 Filed: 12/29/2021 | Filing → |
Dicerna Pharmaceuticals Inc DRNA | U | 3,333 | $38.25 | $127K | 0 | 12/28/2021 Filed: 12/29/2021 | Filing → |
Dicerna Pharmaceuticals Inc DRNA | Award | 15,000 | $0.00 | $0 | 15,000 | 6/3/2021 Filed: 6/7/2021 | Filing → |
Dicerna Pharmaceuticals Inc DRNA | Award | 3,333 | $0.00 | $0 | 3,333 | 6/3/2021 Filed: 6/7/2021 | Filing → |
Dicerna Pharmaceuticals Inc DRNA | Exercise | 3,333 | $0.00 | $0 | 0 | 6/3/2021 Filed: 6/7/2021 | Filing → |
Dicerna Pharmaceuticals Inc DRNA | Exercise | 3,333 | - | - | 3,333 | 6/3/2021 Filed: 6/7/2021 | Filing → |
Type
Disposition
Shares
18,353
Price
-
Value
-
Type
Disposition
Shares
31,000
Price
$7.54
Value
$234K
Type
Disposition
Shares
2,000
Price
$8.60
Value
$17K
Type
Disposition
Shares
1,000
Price
$20.00
Value
$20K
Type
Disposition
Shares
1,000
Price
$31.75
Value
$32K
Type
Disposition
Shares
2,000
Price
$29.50
Value
$59K
Type
Award
Shares
31,000
Price
$7.54
Value
$234K
Type
Award
Shares
50,000
Price
-
Value
-
Type
Award
Shares
25,000
Price
$0.00
Value
$0
Type
Award
Shares
25,000
Price
$0.00
Value
$0
Type
Award
Shares
50,000
Price
$0.00
Value
$0
Dicerna Pharmaceuticals Inc
DRNA
Type
Disposition
Shares
15,000
Price
-
Value
-
Dicerna Pharmaceuticals Inc
DRNA
Type
Disposition
Shares
15,000
Price
-
Value
-
Dicerna Pharmaceuticals Inc
DRNA
Type
Disposition
Shares
25,000
Price
-
Value
-
Dicerna Pharmaceuticals Inc
DRNA
Type
Disposition
Shares
3,333
Price
-
Value
-
Dicerna Pharmaceuticals Inc
DRNA
Type
U
Shares
3,333
Price
$38.25
Value
$127K
Dicerna Pharmaceuticals Inc
DRNA
Type
Award
Shares
15,000
Price
$0.00
Value
$0
Dicerna Pharmaceuticals Inc
DRNA
Type
Award
Shares
3,333
Price
$0.00
Value
$0
Dicerna Pharmaceuticals Inc
DRNA
Type
Exercise
Shares
3,333
Price
$0.00
Value
$0
Dicerna Pharmaceuticals Inc
DRNA
Type
Exercise
Shares
3,333
Price
-
Value
-
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