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Mark Brosius

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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.

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Return, 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
execution → disclosure
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
$3.1M$1.6M$0Oct 2024Apr 2025Oct 2025Apr 2026Oct 2024 · sells $1.1MMar 2025 · sells $1.4MJun 2025 · sells $597KDec 2025 · sells $3.1MMar 2026 · sells $2.4M
Buys $0 Sells $8.6M

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 · 11 sells 11 filings
Recent filings
ISRGSALE Intuitive Surgical, Inc. View filing → $825K
1,476 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
ISRGSALE Intuitive Surgical, Inc. View filing → $1.1M
2,106 sh × $515.00
Exec Oct 22 2024
Filed Oct 24 2024 · 5:30 PM ET
ISGRSALE INTUITIVE SURGICAL INC View filing → $1.0M
2,115 sh × $491.91
Exec Sep 12 2024
Filed Sep 16 2024 · 5:30 PM ET