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Sheridan John F

No open-market purchases or sales filed in the past year.

Current role at each company

Open-market trades in the past year

Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.

Bought
–
0 filings
Sold
–
0 filings
Net
–
Bought minus sold
Companies
0
With open-market trades

Trades

Every Form 4 that lists Sheridan John F as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.

TNDM Tandem Diabetes Care Inc

PRESIDENT & CEO3 trades

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Aug 11, 2025 (view filing)Aug 11Same daySheridan John FPRESIDENT & CEOPPurchase+10.0K$10.23+$102.3K+10.4%106.3K after
May 10, 2022 (view filing)May 91 daySheridan John FPRESIDENT & CEOPPurchase+2.50K$69.90+$174.8K+33.1%10.1K after
Aug 10, 2021 (view filing)Aug 6-94 daysSheridan John FPRESIDENT & CEOSSale−14.9K$108.04−$1.61M−70.7%6.20K after4 lots