AtriCure director granted 6,144 restricted shares

GROVES REGINA E reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

GROVES REGINA E reported acquisition or exercise transactions in this Form 4 filing.

AtriCure, Inc. director Regina E. Groves received a grant of 6,144 shares of Common Stock as a Restricted Stock Award under the AtriCure, Inc. 2023 Stock Incentive Plan. The footnote states these shares will vest on the one-year anniversary of the grant date. After this equity award, Groves directly holds 39,859 shares of AtriCure common stock.

Insider Trade Summary

Grant/Award: 6,144 shares

Grant/Award 1 txn

Insider GROVES REGINA E

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	6,144	$0.00	$0.00

Holdings After Transaction: Common Stock — 39,859 shares (Direct)

Footnotes (1)

1. F1. The Reporting Person acquired these shares pursuant to a Restricted Stock Award under the AtriCure, Inc. 2023 Stock Incentive Plan. The shares will vest upon the one-year anniversary of the grant date.

Key Figures

Restricted Stock Award: 6,144 shares Grant price: $0.00 per share Post-grant holdings: 39,859 shares +1 more

4 metrics

Restricted Stock Award 6,144 shares Grant of common stock to director Regina E. Groves

Grant price $0.00 per share Compensation-related equity grant, not a market purchase

Post-grant holdings 39,859 shares Total AtriCure common stock held directly after the award

Vesting period One year from grant date Restricted Stock Award vests on one-year anniversary

Key Terms

Restricted Stock Award, AtriCure, Inc. 2023 Stock Incentive Plan, vest, Common Stock

4 terms

Restricted Stock Award financial

"The Reporting Person acquired these shares pursuant to a Restricted Stock Award under the AtriCure, Inc. 2023 Stock Incentive Plan."

A restricted stock award is company shares given to an employee or executive that cannot be sold or fully owned until certain conditions—like staying with the company for a set time or hitting performance targets—are met. Think of it as a gift that only becomes yours after you fulfill specific obligations; for investors, these awards matter because they can increase the total shares outstanding when they vest, reveal how management is being paid and motivated, and create potential selling pressure when restrictions lift.

AtriCure, Inc. 2023 Stock Incentive Plan financial

"pursuant to a Restricted Stock Award under the AtriCure, Inc. 2023 Stock Incentive Plan."

vest financial

"The shares will vest upon the one-year anniversary of the grant date."

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

Common Stock financial

"security_title: Common Stock"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did AtriCure (ATRC) director Regina Groves report on this Form 4?

Regina E. Groves reported receiving 6,144 shares of AtriCure common stock as a Restricted Stock Award. The award is part of her director compensation and increases her direct holdings to 39,859 shares after the grant.

Is the AtriCure (ATRC) insider transaction a market purchase or a compensation grant?

The transaction is a compensation-related grant, not a market purchase. The filing classifies it as a Restricted Stock Award granted at $0.00 per share under the AtriCure, Inc. 2023 Stock Incentive Plan.

When will Regina Groves’ new AtriCure (ATRC) shares vest?

According to the footnote, the 6,144 Restricted Stock Award shares will vest on the one-year anniversary of the grant date. Until then, they remain subject to vesting conditions under the 2023 Stock Incentive Plan.

How many AtriCure (ATRC) shares does Regina Groves hold after this Form 4 transaction?

Following the grant, Regina E. Groves directly holds 39,859 shares of AtriCure common stock. This total reflects her position after adding the 6,144-share Restricted Stock Award reported in the Form 4.

What plan governs the Restricted Stock Award reported by AtriCure (ATRC) director Regina Groves?

The Restricted Stock Award was granted under the AtriCure, Inc. 2023 Stock Incentive Plan. This plan provides equity-based compensation, and the footnote notes that the 6,144 shares will vest one year after the grant date.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/20/2026 - 09:25 AM EDT Learn about SEC filing dates

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^*

GROVES REGINA E

(Last) (First) (Middle)

7555 INNOVATION WAY

(Street)

MASON OHIO 45040-9695

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/18/2026

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

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

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

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	05/18/2026		A		6,144(1)	A	$0	39,859	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

Explanation of Responses:

1. The Reporting Person acquired these shares pursuant to a Restricted Stock Award under the AtriCure, Inc. 2023 Stock Incentive Plan. The shares will vest upon the one-year anniversary of the grant date.

Remarks:

	/s/ Allison Walker as Attorney-in-fact for Regina E. Groves	05/20/2026
	** 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.
* Form 4: SEC 1474 (03-26)