JS
John F Sheridan (PRESIDENT & CEO) filed 1 Form 4 report in the past 24 months (1 purchase, 0 sales), most often in Tandem Diabetes Care, Inc. (TNDM). Across 1 priced purchase filing, the average 21-session return was +13.1% from execution and +13.1% from disclosure (delay-adjusted; derived). The largest single filing was $102K of TNDM (10,000 sh × $10.23, as filed), executed Aug 11 2025. Data as of Nov 8 2026.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
+13.1%
avg across 1 priced filings
Delay-adjustediThe same average, entered at disclosure dates
+13.1%
same 1 filings, from disclosure
Filings, ttm
1
1 buys · 0 sells
Median delay
0d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$102K
shares × price, as filed
Last traded
Aug 11 2025
Filed Aug 11 2025
Median ADV $33.4M across their filed names
Open performance→Volume by month
Buys $102K
Sells $0
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Healthcare
1 filing
Sector per market data · by filing · past 24 months
Most traded names
TNDMRecent filings
TNDMPURCHASE
Tandem Diabetes Care, Inc.
View filing →
$102K10,000 sh × $10.23
Exec Aug 11 2025
Filed Aug 11 2025 · 6:15 PM ET