Gary Guthart plans $13M ISRG share sale (NASDAQ: ISRG)

Rhea-AI Filing Summary

A planned insider sale has been filed for ISRG common stock under Rule 144. The notice covers the proposed sale of 24,500 common shares through Morgan Stanley Smith Barney LLC on NASDAQ, with an aggregate market value of $12,987,403.45 at the time of filing.

The shares to be sold were acquired on 01/27/2026 via a stock option exercise, paid in cash, involving the same 24,500 shares. The filing also shows that Gary S. Guthart sold 22,806 common shares on 12/01/2025 for $13,019,721.90 in gross proceeds during the prior three months.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	24500	12987403.45	354496073	01/27/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	01/27/2026	Stock Option Exercise	ISSUER			24500	01/27/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
GARY S GUTHART 1020 KIFER ROAD SUNNYVALE CA 94086	Common	12/01/2025	22806	13019721.90

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What insider transaction does the ISRG Form 144 disclose?

The Form 144 discloses a planned sale of 24,500 ISRG common shares. These shares are to be sold through Morgan Stanley Smith Barney on NASDAQ, with an aggregate market value of $12,987,403.45 based on the figures in the notice.

Who is the seller named in the ISRG Rule 144 notice?

The seller named is Gary S. Guthart, listed with an address in Sunnyvale, California. The filing provides his details in the section covering securities sold during the past three months and identifies him as the seller of ISRG common shares.

How many ISRG shares has the insider sold in the past three months?

Over the past three months, the insider sold 22,806 ISRG common shares. That transaction occurred on 12/01/2025 and generated $13,019,721.90 in gross proceeds, according to the historical sales section of the Rule 144 disclosure.

How were the ISRG shares in the new Form 144 acquired?

The 24,500 ISRG common shares covered by the new notice were acquired via a stock option exercise. The acquisition date is 01/27/2026, and the filing states that the exercise was paid in cash for the entire amount.

On which exchange will the ISRG shares be sold under this Form 144?

The planned sale of 24,500 ISRG common shares is listed for trading on NASDAQ. The broker named is Morgan Stanley Smith Barney LLC Executive Financial Services, based at 1 New York Plaza, New York, New York.

What does the market value figure mean in the ISRG Form 144?

The filing reports an aggregate market value of $12,987,403.45 for the 24,500 ISRG shares. This represents the total market value of the shares covered by the planned Rule 144 sale at the time the notice information was prepared.