AtriCure (ATRC) Form 144 Discloses 5,000-Share Sale via Morgan Stanley

Rhea-AI Filing Summary

AtriCure, Inc. (ATRC) Form 144 discloses a proposed sale of 5,000 common shares through Morgan Stanley Smith Barney, with an aggregate market value listed at $185,000 and an approximate sale date of 08/22/2025. The filer states total shares outstanding of 49,701,415. The 5,000 shares were acquired on 08/22/2025 by stock option exercise from the issuer and paid in cash. The filing also lists a recent sale by the same person: on 08/19/2025 Sven Wehrwein sold 5,000 shares for $180,000. The notice includes the standard representation that the seller is not aware of undisclosed material adverse information.

Positive

• Required disclosure elements provided: acquisition date, nature of acquisition, broker, proposed sale date, and aggregate value are all stated.
• Seller attests that there is no undisclosed material adverse information.

Negative

• Potential rapid turnover: shares were acquired by exercise on 08/22/2025 with a proposed sale the same date, indicating immediate disposition.
• Prior sale same size: a sale of 5,000 shares on 08/19/2025 suggests recurring insider sales in a short period.

Insights

Securities Compliance Analyst

TL;DR: Routine insider sale notice; transaction appears compliant with Rule 144 formalities.

The Form 144 documents a small insider sale relative to the company's outstanding shares (5,000 of 49,701,415). The shares were acquired by option exercise and the seller represents no undisclosed material information. Broker details and aggregate market value are provided, and a recent near-identical sale on 08/19/2025 is disclosed. From a compliance standpoint, required acquisition and disposition dates, consideration, and broker are stated, which supports adherence to Rule 144 disclosure requirements.

Equity Capital Markets Specialist

TL;DR: Small-dollar insider liquidity event; immaterial to market capitalization but relevant for insider activity tracking.

The disclosed proposed sale values the shares at $185,000, and prior sale proceeds were $180,000 for 5,000 shares. Given the company’s 49.7 million shares outstanding, this is a de minimis issuance for market impact. The timing shows immediate exercise-to-sale activity (acquisition and proposed sale dates close together), which may reflect typical insider liquidity after option exercise. No earnings or material corporate events are referenced in the filing.

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

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	5000	185000.00	49701415	08/22/2025	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	08/22/2025	Stock Option Exercise	Issuer			5000	08/22/2025	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
SVEN WEHRWEIN 7555 Innovation Way Mason OH 45040	Common	08/19/2025	5000	180000.00

144: Remarks and Signature

Remarks

Date of Notice

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 does the Form 144 for ATRC disclose about the proposed sale?

The Form 144 shows a proposed sale of 5,000 common shares via Morgan Stanley Smith Barney with an aggregate market value of $185,000 and an approximate sale date of 08/22/2025.

Who is listed as the seller in the ATRC Form 144 filing?

The filing lists Sven Wehrwein as a seller, with a prior sale on 08/19/2025 of 5,000 shares for $180,000.

How were the shares acquired according to the filing?

The 5,000 shares to be sold were acquired on 08/22/2025 by stock option exercise from the issuer and paid for in cash.

How large is the proposed sale relative to ATRC's outstanding shares?

The filing reports 49,701,415 shares outstanding, so the 5,000-share proposed sale is immaterial to total outstanding shares.

Does the filer assert possession of undisclosed material information?

No; the filer signs a representation that they do not know of any undisclosed material adverse information regarding the issuer.