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ISRG

Congressional & insider trading activity

22
Total Trades
4
Traders
6 / 16
Buys / Sells
Distributing
Congress Sentiment
Buy Volume: $160,000 Sell Volume: $95,000

Top Traders

B
Brosius Mark
0 buys · 7 sells
Insider John F Reed
John F Reed
1 buys · 3 sells
D Gilbert Cisneros
Gilbert Cisneros
3 buys · 0 sells
D
L
Ladd Amy L
0 buys · 2 sells
Insider James M Inhofe
James M Inhofe
1 buys · 1 sells
R
C
Charlton Henry L
0 buys · 1 sells
Insider
J
Jeddi Iman
0 buys · 1 sells
Insider
L
LOEB GARY
0 buys · 1 sells
Insider Markwayne Mullin
Markwayne Mullin
1 buys · 0 sells
R

Recent Trades

Date Trader Type Amount Filed
2026-05-20 Brosius Mark Insider SELL - 2026-05-20
2026-05-19 Brosius Mark Insider SELL - 2026-05-20
2026-05-11 LOEB GARY Insider SELL - 2026-05-11
2026-04-29 Ladd Amy L Insider SELL - 2026-04-29
2026-04-28 Ladd Amy L Insider SELL - 2026-04-29
2026-03-09 Brosius Mark Insider SELL - 2026-03-10
2026-03-06 Brosius Mark Insider SELL - 2026-03-10
2026-03-05 Brosius Mark Insider SELL - 2026-03-05
2026-03-04 Brosius Mark Insider SELL - 2026-03-05
2026-03-03 Brosius Mark Insider SELL - 2026-03-05
2026-02-26 Charlton Henry L Insider SELL - 2026-02-27
2026-02-26 Jeddi Iman Insider SELL - 2026-02-27
2026-01-30 Gilbert Cisneros D BUY $1,001-15,000 2026-02-13
2025-12-29 Markwayne Mullin R BUY $15,001-50,000 2026-01-16
2025-12-10 Gilbert Cisneros D BUY $1,001-15,000 2026-01-12
2025-11-18 Gilbert Cisneros D BUY $1,001-15,000 2025-12-15
2019-05-10 James M Inhofe R SELL $15,001-50,000 -
2019-02-28 John F Reed D SELL $1,001-15,000 -
2019-02-04 John F Reed D SELL $1,001-15,000 -
2018-10-25 James M Inhofe R BUY $15,001-50,000 -

Showing 20 of 22 trades

Top Institutional Holders SEC 13F Filings

Quarterly institutional ownership from 13F-HR filings

Institution Shares Value Report Date
Vanguard Group Inc 33,613,298 $19,037,227,455 2025-12-31
BlackRock Inc 29,243,893 $9,865,719,711 2023-12-31
State Street Corp 15,846,973 $7,305,296,083 2026-03-31
Morgan Stanley 6,058,840 $2,793,066,100 2026-03-31
FMR LLC 5,477,234 $2,524,949,791 2026-03-31
JPMorgan Chase & Co 4,080,880 $2,311,248,464 2025-12-31
AllianceBernstein LP 3,812,663 $2,159,339,817 2026-03-31
Wellington Management Group 3,959,290 $1,825,193,097 2026-03-31
Invesco Ltd 3,737,430 $1,722,917,808 2026-03-31
Goldman Sachs Group Inc 2,451,269 $1,130,010,518 2026-03-31

Trade-Event Timing Trades near material events

Trades within 7 days before or 3 days after 8-K filings

Ladd Amy L SELL 1d before Departure/Appointment of Directors or Officers; Submission of Matters to a Vote; Regulation FD Disclosure (2026-04-30)
Brosius Mark SELL 3d after Other Events (2026-03-01)
Charlton Henry L SELL 3d before Other Events (2026-03-01)
Jeddi Iman SELL 3d before Other Events (2026-03-01)

Corporate Events SEC 8-K Filings

Material corporate events reported to the SEC

Departure/Appointment of Directors or Officers 5.02,9.01

INTUITIVE SURGICAL INC

2026-05-28 SEC Filing →
Departure/Appointment of Directors or Officers; Submission of Matters to a Vote; Regulation FD Disclosure 5.02,5.07,7.01

INTUITIVE SURGICAL INC

2026-04-30 SEC Filing →
Results of Operations and Financial Condition 2.02,9.01

INTUITIVE SURGICAL INC

2026-04-21 SEC Filing →
Other Events 8.01,9.01

INTUITIVE SURGICAL INC

2026-03-01 SEC Filing →

Major Shareholders SEC 13D/13G Filings

Beneficial owners holding 5%+ of outstanding shares

Owner Shares Ownership Filing Type Filing Date
Vanguard Capital Management SCHEDULE 13G
26,601,419 7.5% SCHEDULE 13G 2026-04-30
The Vanguard Group SCHEDULE 13G/A
- - SCHEDULE 13G/A 2026-03-27