13FINSIGHT
13F Insight
FilersStocks13FActivistsInsider
Login
FilersStocks13FActivistsInsiderResearchLearnNewsPricingTermsPrivacyContact

© 2026 13F Insight — Track smart money. Ask the AI Agent.

Listed on Turbo0Featured on Findly ToolsFeatured on toolfame.comFeatured on saasfame.comFeatured on Gets.ToolsZ-ImageFeatured On Micro SaaS ExamplesListed on MarketingDBFeatured on SaasDBFeatured on FazierBusiness Services - OnToplist.comFeatured on SubmitMySaasFeatured on ToolDirsFeatured on ToolfioFeatured on Twelve ToolsListed on uno directoryFeatured on Dang.aiFeatured on ToolPilotFeatured on Startup FameFeatured on PostmakeFeatured on Code.Market
13FINSIGHT
13F Insight
FilersStocks13FActivistsInsider
Login
  1. Home
  2. Insider Trading
  3. Rowinsky Eric K

Rowinsky Eric K

CIK: 0001318886
Primary company: BIOGEN INC. (BIIB)

Rowinsky Eric K is a corporate insider at BIOGEN INC. (BIIB) filing SEC Form 4 transactions. 138 transactions across 8 companies, totaling $157,186 in purchases and $13,399,758 in sales. Source: SEC EDGAR.

Total Transactions
138
Total Buy Value
$157K
Total Sell Value
$13.40M
Net Activity
$-13.24M
Last Transaction
Jun 2026
Companies
8

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

Company
Type
Shares
Price
Value
Shares After
Date
SEC
BIOGEN INC.
BIIB
Award1,505--25,844
6/9/2026
Filed: 6/9/2026
Filing →
Verastem, Inc.
VSTM
Award36,000--52,666
5/21/2026
Filed: 5/21/2026
Filing →
BIOGEN INC.
BIIB
Award2,370--24,339
6/17/2025
Filed: 6/18/2025
Filing →
Verastem, Inc.
VSTM
Award12,500--12,500
5/22/2025
Filed: 5/27/2025
Filing →
Verastem, Inc.
VSTM
Award8,333--16,666
5/22/2025
Filed: 5/27/2025
Filing →
BIOGEN INC.
BIIB
Award1,340--21,969
6/21/2024
Filed: 6/25/2024
Filing →
Verastem, Inc.
VSTM
Award12,500--12,500
6/18/2024
Filed: 6/20/2024
Filing →
Verastem, Inc.
VSTM
Award8,333--8,333
6/18/2024
Filed: 6/20/2024
Filing →
Verastem, Inc.
VSTM
Award12,572--12,572
3/11/2024
Filed: 3/13/2024
Filing →
Verastem, Inc.
VSTM
Disposition2,083--0
3/11/2024
Filed: 3/13/2024
Filing →
Verastem, Inc.
VSTM
Disposition2,083--0
3/11/2024
Filed: 3/13/2024
Filing →
Verastem, Inc.
VSTM
Disposition2,083--0
3/11/2024
Filed: 3/13/2024
Filing →
Verastem, Inc.
VSTM
Disposition2,157--0
3/11/2024
Filed: 3/13/2024
Filing →
Verastem, Inc.
VSTM
Disposition4,166--0
3/11/2024
Filed: 3/13/2024
Filing →
BIOGEN INC.
BIIB
Purchase455$222.54$101K20,629
2/15/2024
Filed: 2/20/2024
Filing →
Verastem, Inc.
VSTM
Purchase2,000$3.84$8K2,000
9/5/2017
Filed: 1/24/2024
Filing →
Fortress Biotech, Inc.
FBIO
Award6,666--68,797
1/1/2024
Filed: 1/3/2024
Filing →
BIOGEN INC.
BIIB
Award960$0.00$020,174
6/26/2023
Filed: 6/28/2023
Filing →
Verastem, Inc.
VSTM
Award62,500$0.00$062,500
5/15/2023
Filed: 5/16/2023
Filing →
Fortress Biotech, Inc.
FBIO
Purchase11,976$0.83$10K931,976
2/10/2023
Filed: 2/14/2023
Filing →
BIOGEN INC.
BIIB
Type
Award
Shares
1,505
Price
-
Value
-
Verastem, Inc.
VSTM
Type
Award
Shares
36,000
Price
-
Value
-
BIOGEN INC.
BIIB
Type
Award
Shares
2,370
Price
-
Value
-
Verastem, Inc.
VSTM
Type
Award
Shares
12,500
Price
-
Value
-
Verastem, Inc.
VSTM
Type
Award
Shares
8,333
Price
-
Value
-
BIOGEN INC.
BIIB
Type
Award
Shares
1,340
Price
-
Value
-
Verastem, Inc.
VSTM
Type
Award
Shares
12,500
Price
-
Value
-
Verastem, Inc.
VSTM
Type
Award
Shares
8,333
Price
-
Value
-
Verastem, Inc.
VSTM
Type
Award
Shares
12,572
Price
-
Value
-
Verastem, Inc.
VSTM
Type
Disposition
Shares
2,083
Price
-
Value
-
Verastem, Inc.
VSTM
Type
Disposition
Shares
2,083
Price
-
Value
-
Verastem, Inc.
VSTM
Type
Disposition
Shares
2,083
Price
-
Value
-
Verastem, Inc.
VSTM
Type
Disposition
Shares
2,157
Price
-
Value
-
Verastem, Inc.
VSTM
Type
Disposition
Shares
4,166
Price
-
Value
-
BIOGEN INC.
BIIB
Type
Purchase
Shares
455
Price
$222.54
Value
$101K
Verastem, Inc.
VSTM
Type
Purchase
Shares
2,000
Price
$3.84
Value
$8K
Fortress Biotech, Inc.
FBIO
Type
Award
Shares
6,666
Price
-
Value
-
BIOGEN INC.
BIIB
Type
Award
Shares
960
Price
$0.00
Value
$0
Verastem, Inc.
VSTM
Type
Award
Shares
62,500
Price
$0.00
Value
$0
Fortress Biotech, Inc.
FBIO
Type
Purchase
Shares
11,976
Price
$0.83
Value
$10K
AI Agent

Try asking...

FilersStocks13FActivistsInsiderResearchLearnNewsPricingTermsPrivacyContact

© 2026 13F Insight — Track smart money. Ask the AI Agent.

Listed on Turbo0Featured on Findly ToolsFeatured on toolfame.comFeatured on saasfame.comFeatured on Gets.ToolsZ-ImageFeatured On Micro SaaS ExamplesListed on MarketingDBFeatured on SaasDBFeatured on FazierBusiness Services - OnToplist.comFeatured on SubmitMySaasFeatured on ToolDirsFeatured on ToolfioFeatured on Twelve ToolsListed on uno directoryFeatured on Dang.aiFeatured on ToolPilotFeatured on Startup FameFeatured on PostmakeFeatured on Code.Market