Sec Form 4 Filing - Miller Brian Edward @ INTUITIVE SURGICAL INC - 2025-03-11

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL OMB Number: 3235-0287 Expires: November 30, 2011 Estimated average burden hours per response... 0.5

1. Name and Address of Reporting Person Miller Brian Edward 2. Issuer Name and Ticker or Trading Symbol INTUITIVE SURGICAL INC [ ISRG] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) EVP & Chief Digital Officer (Last) (First) (Middle) 1020 KIFER ROAD 3. Date of Earliest Transaction (MM/DD/YY) 03/11/2025 (Street) SUNNYVALE, CA94086 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 03/11/2025 M( 1 ) 1,834 A $ 177.9867 14,658 D Common Stock 03/11/2025 S( 1 ) 1,834 D $ 485.9569 ( 2 ) 12,824 D Common Stock 03/11/2025 S( 1 ) 442 D $ 482.824 ( 3 ) 12,382 D Common Stock 03/11/2025 S( 1 ) 6,624 D $ 484.9711 ( 4 ) 5,758 D Common Stock 03/12/2025 M( 1 ) 1,550 A $ 177.9867 7,308 D Common Stock 03/12/2025 S( 1 ) 1,550 D $ 512.06 5,758 D Common Stock 03/12/2025 M( 1 ) 2,450 A $ 208.9 8,208 D Common Stock 03/12/2025 S( 1 ) 2,450 D $ 512.06 5,758 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Non-Qualified Stock Option (right to buy) $ 177.9867 03/11/2025 M( 1 ) 1,834 ( 5 ) 02/28/2030 Common Stock 1,834 $ 0 1,550 D Non-Qualified Stock Option (right to buy) $ 177.9867 03/12/2025 M( 1 ) 1,550 ( 5 ) 02/28/2030 Common Stock 1,550 $ 0 0 D Non-Qualified Stock Option (right to buy) $ 208.9 03/12/2025 M( 1 ) 2,450 ( 6 ) 08/28/2029 Common Stock 2,450 $ 0 4,317 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Miller Brian Edward 1020 KIFER ROAD SUNNYVALE, CA94086 EVP & Chief Digital Officer Signatures By: Stephanie Lim-Ignacio For: Miller, Brian Edward 03/12/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )These shares were sold in accordance with a Trading Plan that complies with SEC Rule 10b5-1 and expires on December 10, 2025. ( 2 )The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $479.78 to $489.50 as follows: 243 shares sold at $479.78 to $480.75; 200 shares sold at $480.99to $481.50; 100 shares sold at $483.59; 100 shares sold at $485.39; 791 shares sold at $487.20 to $488.09; and 400 shares sold at $488.52 to $489.50. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote. ( 3 )The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $480.67 to $489.28 as follows: 270 shares sold at $480.67 to $480.99; 100 shares sold at $483.59; and 72 shares sold at $489.28. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote. ( 4 )The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $478.45 to $490.19 as follows: 702 shares sold at $478.45 to $479.29; 1,330 shares sold at $480.41 to $481.13; 200 shares sold at $481.50 to $482.50; 500 shares sold at $482.76 to $483.03; 358 shares sold at $485.39 to $486.00; 2,377 shares sold at $487.20 to $488.09; 975 shares sold at $488.52 to $489.50; and 182 shares sold at $489.69 to $490.19. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote. ( 5 )Non-statutory stock option granted pursuant to the 2010 Incentive Award Plan. The option vests 1/8th six months after the date of grant and 1/48th monthly thereafter. ( 6 )Non-statutory stock option granted pursuant to the 2010 Incentive Award Plan. Option shall vest 7/48 one month after the date of grant and 1/48 each month thereafter.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection o f information contained in this form are not required to respond unless the form displays a currently valid OMB Number.