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AtriCure (ATRC) CEO adds 636 shares through 2018 Employee Stock Purchase Plan

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

AtriCure, Inc. President and CEO Michael H. Carrel reported a new share acquisition through an employee purchase program. On June 30, 2026, he acquired 636 shares of common stock directly at an effective price of $23.78 per share under AtriCure’s 2018 Employee Stock Purchase Plan.

These shares were purchased at 85% of the $27.98 closing price on June 30, 2026, as provided by the plan. After this transaction, Carrel directly holds 779,134 common shares. Additional indirect holdings are reported as shares held by his sibling, parents, and children, for which he disclaims beneficial ownership except for any pecuniary interest.

Positive

  • None.

Negative

  • None.
Insider CARREL MICHAEL H
Role President, CEO, & Director
Type Security Shares Price Value
Grant/Award Common Stock 636 $23.78 $15K
holding Common Stock -- -- --
holding Common Stock -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 779,134 shares (Direct, null); Common Stock — 14,310 shares (Indirect, Held by reporting person's children)
Footnotes (1)
  1. Shares acquired pursuant to the AtriCure, Inc. 2018 Employee Stock Purchase Plan for the period ended June 30, 2026. In accordance with the ESPP, these shares were purchased based on 85% of the closing price of the issuer's common stock on June 30, 2026, which is the last trading day of the applicable offering period. The closing price on June 30, 2026, was $27.98. The reporting person disclaims beneficial ownership of these securities, except as to his pecuniary interest therein.
ESPP shares acquired 636 shares Common stock acquired on June 30, 2026 under 2018 ESPP
Effective ESPP purchase price $23.78 per share Price for 636 shares acquired June 30, 2026
Closing price reference $27.98 per share AtriCure common stock closing price on June 30, 2026
Discount rate 85% ESPP purchase percentage of June 30, 2026 closing price
Direct shares after transaction 779,134 shares Common stock directly held by Michael Carrel after ESPP acquisition
Indirect sibling-held shares 1,000 shares Common stock held by reporting person’s sibling
Indirect parents-held shares 2,250 shares Common stock held by reporting person’s parents
Indirect children-held shares 14,310 shares Common stock held by reporting person’s children
2018 Employee Stock Purchase Plan financial
"Shares acquired pursuant to the AtriCure, Inc. 2018 Employee Stock Purchase Plan for the period ended June 30, 2026."
beneficial ownership financial
"The reporting person disclaims beneficial ownership of these securities, except as to his pecuniary interest therein."
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
pecuniary interest financial
"The reporting person disclaims beneficial ownership of these securities, except as to his pecuniary interest therein."
grant, award, or other acquisition financial
"transaction_code_description": "Grant, award, or other acquisition""
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Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED 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*
CARREL MICHAEL H
(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)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
President, CEO, & Director
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/30/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock06/30/2026A636(1)A$23.78(2)779,134D
Common Stock14,310IHeld by reporting person's children(3)
Common Stock2,250IHeld by reporting person's parents(3)
Common Stock1,000IHeld by reporting person's sibling(3)
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. Shares acquired pursuant to the AtriCure, Inc. 2018 Employee Stock Purchase Plan for the period ended June 30, 2026.
2. In accordance with the ESPP, these shares were purchased based on 85% of the closing price of the issuer's common stock on June 30, 2026, which is the last trading day of the applicable offering period. The closing price on June 30, 2026, was $27.98.
3. The reporting person disclaims beneficial ownership of these securities, except as to his pecuniary interest therein.
Remarks:
/s/ Allison Walker as Attorney-in-fact for Michael H. Carrel07/02/2026
** Signature of Reporting PersonDate
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)

Source: View Original Filing on SEC EDGAR

FAQ

What did AtriCure (ATRC) CEO Michael Carrel report in this Form 4?

Michael Carrel reported acquiring 636 shares of AtriCure common stock through the company’s 2018 Employee Stock Purchase Plan. This routine purchase increased his directly held shares to 779,134, reflecting ongoing participation in AtriCure’s employee equity programs.

At what price were the new AtriCure (ATRC) shares acquired under the ESPP?

The 636 shares were acquired at an effective price of $23.78 per share. Under the Employee Stock Purchase Plan, this equals 85% of the $27.98 closing price of AtriCure common stock on June 30, 2026.

How many AtriCure (ATRC) shares does Michael Carrel hold after this filing?

Following the ESPP acquisition, Michael Carrel directly holds 779,134 shares of AtriCure common stock. The Form 4 also reports indirect holdings in accounts for his sibling, parents, and children, with a disclaimer of beneficial ownership except for any pecuniary interest.

What is the role of the AtriCure 2018 Employee Stock Purchase Plan in this Form 4?

The 2018 Employee Stock Purchase Plan enabled Michael Carrel to acquire 636 shares for the period ended June 30, 2026. The plan allows purchases at 85% of the closing stock price on the last trading day of the offering period.

How are AtriCure (ATRC) shares held by Michael Carrel’s family reported?

The Form 4 lists indirect holdings as common stock held by his sibling, parents, and children. The filing states that Carrel disclaims beneficial ownership of these securities, except as to his pecuniary interest in them.

Is this AtriCure (ATRC) Form 4 an open-market stock purchase?

No. The 636-share acquisition is reported with code A as a grant, award, or other acquisition under an Employee Stock Purchase Plan, not as an open-market trade. Pricing is set by the ESPP formula tied to the June 30, 2026 closing price.