Director at AtriCure (NASDAQ: ATRC) exercises 10,000 stock options

Rhea-AI Filing Summary

AtriCure, Inc. director Robert S. White exercised non-qualified stock options for 10,000 shares at $14.99 per share. These options were originally granted on May 25, 2016 and vested over four years. Following the exercise, he directly holds 122,174 shares of AtriCure common stock.

Insider Trade Summary

10,000 shares exercised/converted

Mixed 2 txns

Insider WHITE ROBERT S.

Role Director

Type	Security	Shares	Price	Value
Exercise	Non-qualified Stock Option (right to buy)	10,000	$14.99	$150K
Exercise	Common Stock	10,000	$14.99	$150K

Holdings After Transaction: Non-qualified Stock Option (right to buy) — 0 shares (Direct); Common Stock — 122,174 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

WHITE ROBERT S.

(Last) (First) (Middle)

9060 ROCKY POINT DRIVE

(Street)

VERO BEACH FL 32963

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
AtriCure, Inc. [ ATRC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
03/10/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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	03/10/2026		M		10,000	A	$14.99	122,174	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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (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: 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)	$14.99	03/10/2026		M			10,000	05/25/2017(1)	05/25/2026	Non-qualified Stock Option (right to buy)	10,000	$14.99	0	D

Explanation of Responses:

1. These options were granted on May 25, 2016. These options vest and are exercisable as to 25% of the shares one year from the date of grant and the remaining 75% thereafter vests and are exercisable in equal monthly installments on the same day of the month over the following three years.

Remarks:

	/s/ Robert S. White	03/12/2026
	** Signature of Reporting Person	Date
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 of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did AtriCure (ATRC) director Robert S. White report?

Robert S. White reported exercising non-qualified stock options for 10,000 AtriCure shares. The options converted into common stock at a price of $14.99 per share, increasing his directly held common stock position to 122,174 shares after the transaction.

How many AtriCure (ATRC) shares does Robert S. White hold after this Form 4?

After exercising options, Robert S. White directly holds 122,174 shares of AtriCure common stock. This total reflects the addition of 10,000 shares acquired through the option exercise reported in the Form 4 filed for the March 10, 2026 transaction date.

At what price were Robert S. White’s AtriCure (ATRC) stock options exercised?

The non-qualified stock options were exercised at $14.99 per share. These options, originally granted in May 2016, gave the right to buy 10,000 AtriCure shares at that fixed exercise price, which was used in the reported March 10, 2026 transaction.

What were the grant and expiration dates of the exercised AtriCure (ATRC) options?

The options exercised by Robert S. White were granted on May 25, 2016 and were scheduled to expire on May 25, 2026. The Form 4 shows the exercise occurred on March 10, 2026, before the stated expiration date of this non-qualified stock option grant.

How did Robert S. White’s AtriCure (ATRC) derivative option position change?

He exercised 10,000 non-qualified stock options, reducing that option position to zero. The derivative record shows 0.0000 options remaining following the transaction, while the corresponding 10,000 shares of AtriCure common stock were added to his directly held share count.