MB
Mark Brosius (See Remarks) filed 5 Form 4 reports in the trailing twelve months (0 purchases, 5 sales, 1 filed past the two-business-day deadline), most often in Intuitive Surgical, Inc. (ISRG). The largest single filing was $2.7M of ISRG (4,964 sh across 2 lots, as filed), executed Dec 12 2025. Data as of Nov 8 2026.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
5
0 buys · 5 sells · 1 late
Median delay
–
measured on stock purchases
Volume, ttmiDollar value disclosed in the trailing twelve months
$5.6M
shares × price, as filed
Last traded
Mar 9
Filed Mar 10
Median ADV $1.1B across their filed names
Open performance→Volume by month
Buys $0
Sells $7.6M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Healthcare
5 filings
Sector per market data · by filing · past 12 months
Most traded names
ISRG
Intuitive Surgical, Inc.
ISRG · 0 buys · 10 sells
10 filings
Recent filings
ISRGSALE
Intuitive Surgical, Inc.
View filing →
$825K1,476 sh across 3 lots
Exec Mar 4 2025
Filed Mar 6 2025 · 5:30 PM ET ISRGSALE Intuitive Surgical, Inc. View filing → $282K
492 sh × $573.78
Exec Mar 3 2025
Filed Mar 3 2025 · 5:30 PM ET