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  1. Home
  2. Insider Trading
  3. TWOMEY CHRISTOPHER J

TWOMEY CHRISTOPHER J

CIK: 0001238935
Primary company: BIOSITE INC (BSTE)

TWOMEY CHRISTOPHER J is a corporate insider at BIOSITE INC (BSTE) filing SEC Form 4 transactions. 285 transactions across 5 companies, totaling $211,250 in purchases and $29,980,136 in sales. Source: SEC EDGAR.

Total Transactions
285
Total Buy Value
$211K
Total Sell Value
$29.98M
Net Activity
$-29.77M
Last Transaction
Jun 2025
Companies
5

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

Company
Type
Shares
Price
Value
Shares After
Date
SEC
TANDEM DIABETES CARE INC
TNDM
Exercise8,759--0
5/21/2026
Filed: 5/20/2026
Filing →
TANDEM DIABETES CARE INC
TNDM
Exercise8,759--24,434
5/21/2026
Filed: 5/20/2026
Filing →
TANDEM DIABETES CARE INC
TNDM
Award10,220--10,220
5/20/2026
Filed: 5/20/2026
Filing →
Bionano Genomics, Inc.
BNGO
Award9,149$1.19$11K9,149
5/14/2026
Filed: 5/14/2026
Filing →
Bionano Genomics, Inc.
BNGO
Award2,775--2,775
6/11/2025
Filed: 6/12/2025
Filing →
TANDEM DIABETES CARE INC
TNDM
Exercise4,387--0
5/22/2025
Filed: 5/23/2025
Filing →
TANDEM DIABETES CARE INC
TNDM
Exercise4,387$20.64$91K15,675
5/22/2025
Filed: 5/23/2025
Filing →
TANDEM DIABETES CARE INC
TNDM
Award8,759--8,759
5/21/2025
Filed: 5/23/2025
Filing →
Bionano Genomics, Inc.
BNGO
Award30,000--30,000
6/18/2024
Filed: 6/20/2024
Filing →
TANDEM DIABETES CARE INC
TNDM
Exercise4,434--0
5/24/2024
Filed: 5/24/2024
Filing →
TANDEM DIABETES CARE INC
TNDM
Exercise4,434$51.73$229K11,288
5/24/2024
Filed: 5/24/2024
Filing →
TANDEM DIABETES CARE INC
TNDM
Award4,387--4,387
5/22/2024
Filed: 5/24/2024
Filing →
Bionano Genomics, Inc.
BNGO
Award250,000$0.00$0250,000
6/14/2023
Filed: 6/16/2023
Filing →
TANDEM DIABETES CARE INC
TNDM
Exercise2,757$0.00$00
5/25/2023
Filed: 5/26/2023
Filing →
TANDEM DIABETES CARE INC
TNDM
Exercise2,757$0.00$06,854
5/25/2023
Filed: 5/26/2023
Filing →
TANDEM DIABETES CARE INC
TNDM
Exercise4,434$0.00$04,434
5/24/2023
Filed: 5/26/2023
Filing →
Bionano Genomics, Inc.
BNGO
Award44,470$0.00$044,470
6/30/2020
Filed: 7/18/2022
Filing →
Bionano Genomics, Inc.
BNGO
Award164,422$0.00$0164,422
6/9/2022
Filed: 6/13/2022
Filing →
TANDEM DIABETES CARE INC
TNDM
Award2,757$0.00$02,757
5/25/2022
Filed: 5/27/2022
Filing →
TANDEM DIABETES CARE INC
TNDM
Exercise2,205$0.00$00
5/18/2022
Filed: 5/19/2022
Filing →
TANDEM DIABETES CARE INC
TNDM
Type
Exercise
Shares
8,759
Price
-
Value
-
TANDEM DIABETES CARE INC
TNDM
Type
Exercise
Shares
8,759
Price
-
Value
-
TANDEM DIABETES CARE INC
TNDM
Type
Award
Shares
10,220
Price
-
Value
-
Bionano Genomics, Inc.
BNGO
Type
Award
Shares
9,149
Price
$1.19
Value
$11K
Bionano Genomics, Inc.
BNGO
Type
Award
Shares
2,775
Price
-
Value
-
TANDEM DIABETES CARE INC
TNDM
Type
Exercise
Shares
4,387
Price
-
Value
-
TANDEM DIABETES CARE INC
TNDM
Type
Exercise
Shares
4,387
Price
$20.64
Value
$91K
TANDEM DIABETES CARE INC
TNDM
Type
Award
Shares
8,759
Price
-
Value
-
Bionano Genomics, Inc.
BNGO
Type
Award
Shares
30,000
Price
-
Value
-
TANDEM DIABETES CARE INC
TNDM
Type
Exercise
Shares
4,434
Price
-
Value
-
TANDEM DIABETES CARE INC
TNDM
Type
Exercise
Shares
4,434
Price
$51.73
Value
$229K
TANDEM DIABETES CARE INC
TNDM
Type
Award
Shares
4,387
Price
-
Value
-
Bionano Genomics, Inc.
BNGO
Type
Award
Shares
250,000
Price
$0.00
Value
$0
TANDEM DIABETES CARE INC
TNDM
Type
Exercise
Shares
2,757
Price
$0.00
Value
$0
TANDEM DIABETES CARE INC
TNDM
Type
Exercise
Shares
2,757
Price
$0.00
Value
$0
TANDEM DIABETES CARE INC
TNDM
Type
Exercise
Shares
4,434
Price
$0.00
Value
$0
Bionano Genomics, Inc.
BNGO
Type
Award
Shares
44,470
Price
$0.00
Value
$0
Bionano Genomics, Inc.
BNGO
Type
Award
Shares
164,422
Price
$0.00
Value
$0
TANDEM DIABETES CARE INC
TNDM
Type
Award
Shares
2,757
Price
$0.00
Value
$0
TANDEM DIABETES CARE INC
TNDM
Type
Exercise
Shares
2,205
Price
$0.00
Value
$0
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© 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