Intuitive Surgical (ISRG)Sen. Alan Armstrong disclosed a purchase $1K–$15K

$1,001–$15,000

Reported range · official band, not an exact amount

116 days

Disclosure lag

Traded

Mar 27, 2026

Disclosed

Jul 21, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Jan 27, 2026Insider · 2 peopleInsiders: 5 sales (~$14.6M)
2. Jan 29, 2026InsiderOfficer sold ~$66K of ISRG shares in the open market
3. Jan 30, 2026CongressDisclosed purchase of ISRG — reported range $1,001 - $15,000
4. Feb 10, 2026InsiderOfficer sold ~$52K of ISRG shares in the open market
5. Feb 11, 2026Insider · 2 peopleInsiders: 2 sales (~$274K)
6. Feb 24, 2026FDAFDA device clearance: Universal Seal (5-12 mm)
7. Feb 27, 2026Insider · 3 peopleInsiders: 3 sales (~$1.4M)
8. Mar 2, 2026InsiderOfficer sold ~$62K of ISRG shares in the open market
9. Mar 3, 2026Insider · 3 peopleInsiders: 3 sales (~$2.7M)
10. Mar 4, 2026InsiderOfficer sold ~$1.18M of ISRG shares in the open market
11. Mar 5, 2026InsiderOfficer sold ~$321K of ISRG shares in the open market
12. Mar 6, 2026InsiderOfficer sold ~$318K of ISRG shares in the open market
13. Mar 9, 2026InsiderOfficer sold ~$313K of ISRG shares in the open market
14. Mar 10, 2026InsiderOfficer sold ~$52K of ISRG shares in the open market
15. Mar 11, 2026FDAFDA device clearance: da Vinci Force Feedback Instruments
16. Mar 11, 2026FDARecall: Intuitive 8 mm SureForm 30 Gray Reloads Reference Numbers: 48230M-05 and 48230M-06
17. Mar 27, 2026 · this disclosureCongressDisclosed purchase of ISRG — reported range $1,001 - $15,000

What came next

1. Mar 27, 20265% stakeThe Vanguard Group reported a passive stake (13G)
2. Apr 2, 2026FDARecall: Brand Name: Da Vinci X and Da Vinci Xi Product Name: da Vinci X, Xi Surgical System Model/Catalog Number: IS4000; IS4200 Software Version: N/A Product Descript…
3. Apr 21, 2026Company filing · Form 8-K · ResultsReported its results
4. Apr 22, 2026FDARecall: Da Vinci ASSY, PSS, SP1098, Part Number: 380601
5. Apr 24, 2026FDARecall: Brand Name: Da Vinci 5 Product Name: ASSY,DV5 TOWER,IS5000 Model/Catalog Number: 380746 Software Version: N/A Product Description: Preface: This report under 2…
6. Apr 28, 2026InsiderDirector sold ~$237K of ISRG shares in the open market
7. Apr 29, 2026InsiderDirector sold ~$55K of ISRG shares in the open market
8. Apr 30, 2026Company filing · Form 8-K · Executive change, Shareholder voteChanged a top executive or board member, and held a shareholder vote (and 1 more item)“Approval of the Amendment and Restatement of the Amended and Restated 2010 Incentive Award Plan The Board of Directors (the “Board”) of Intuitive Surgical, Inc. (the “Company”) previously adopted, subject to stockholder approval, the amendment and restatement of the Company’s Amended and Restated 2010 Incentive Award Plan (the “Amended 2010 Plan”), which (i) increases the number of shares of common stock reserved…”
9. Apr 30, 20265% stakeVanguard Capital Management reported a passive stake (13G) of 7.5%
10. May 11, 2026InsiderOfficer sold ~$179K of ISRG shares in the open market
11. May 18, 2026InsiderOfficer sold ~$7.6K of ISRG shares in the open market
12. May 19, 2026InsiderOfficer sold ~$7.9K of ISRG shares in the open market
13. May 20, 2026InsiderOfficer sold ~$7.9K of ISRG shares in the open market
14. May 21, 2026InsiderOfficer sold ~$8K of ISRG shares in the open market
15. May 22, 2026FDAFDA device clearance: da Vinci Firefly Imaging System
16. May 22, 2026InsiderOfficer sold ~$7.9K of ISRG shares in the open market
17. May 28, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“Effective July 1, 2026, Henry L. Charlton will transition from his role as Chief Commercial and Marketing Officer of Intuitive Surgical, Inc. (the “Company”) and begin serving as Senior Vice President of Global Business Operations of the Company.”
18. Jun 1, 2026InsiderOfficer sold ~$2.37M of ISRG shares in the open market
19. Jun 8, 2026InsiderOfficer sold ~$9.7K of ISRG shares in the open market
20. Jun 9, 2026InsiderOfficer sold ~$9.7K of ISRG shares in the open market

How to read Senate eFD periodic transaction report

The STOCK Act is a 2012 US law that requires members of Congress, and some senior staff, to publicly report their stock trades, and those of their spouse and dependent children, within 45 days.

Full guide: What is the STOCK Act?

What else is on file for Intuitive Surgical

For Intuitive Surgical, OQRO holds 22 insider filings (SEC Form 4 or Form 144), 1 Congress trade report and 96 fund holdings reports (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its ISRG page.

Other recent filings by Sen. Alan Armstrong

• Senate eFD periodic transaction report at Williams Companies (WMB)Sep 17, 2026
• Senate eFD periodic transaction report at Williams Companies (WMB)Sep 17, 2026
• Senate eFD periodic transaction report at KKR & Co. (KKR)Jul 21, 2026
• Senate eFD periodic transaction report at Globe Life (GL)Jul 21, 2026
• Senate eFD periodic transaction report at Copart (CPRT)Jul 21, 2026

The full history of Sen. Alan Armstrong is on the profile page.

How this filing works

• The STOCK Act

Other disclosures at Intuitive Surgical

• SEC Form 4Sep 16, 2026
• SEC Form 4Sep 16, 2026
• SEC Form 144Sep 15, 2026
• SEC Form 4Sep 11, 2026
• SEC Form 4Sep 11, 2026
• SEC Form 4Sep 9, 2026

Everything OQRO holds on this company is on its ISRG page.