Form 144 lists 31,916 RSUs and 56,919 PSUs (NASDAQ: ATEC)

Rhea-AI Filing Summary

Issuer submitted a Form 144 notice reporting proposed sales of equity-linked awards by an affiliated holder. The filing lists 31,916 Restricted Stock Units and 56,919 Performance Stock Units, each dated 03/05/2026.

The filing is a routine Rule 144 notice of intended sale under resale restrictions and does not by itself consummate transactions.

Insights

Securities Compliance Analyst

Form 144 reports intended resale of equity awards under Rule 144.

This notice lists specific award types and quantities: 31,916 Restricted Stock Units and 56,919 Performance Stock Units, both dated 03/05/2026. The form signals an affiliate's intent to sell under resale rules rather than an executed market transaction.

Regulatory dependencies include holding-period and volume-limit conditions under Rule 144; timing and actual sales depend on compliance with those conditions and broker execution details not shown here.

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	88835	1154855.00	151356620	03/05/2026	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	03/05/2026	Restricted Stock Units	Issuer			31916	03/05/2026	N/A
Common	03/05/2026	Performance Stock Units	Issuer			56919	03/05/2026	N/A

* 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

Nothing to Report

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 does ATEC's Form 144 disclose?

The Form 144 discloses intended resale of equity-linked awards: 31,916 RSUs and 56,919 PSUs, both dated 03/05/2026. It notifies the SEC of a planned sale under Rule 144 resale procedures.

Does the Form 144 mean ATEC shares were sold?

No. The Form 144 notifies of intent to sell securities under Rule 144; it does not confirm execution. Actual sales and settlement details are not provided in the excerpt.

Who appears to be offering the securities in ATEC's filing?

The filing references an affiliated broker-dealer and lists award types by the issuer as the source. The excerpt shows Morgan Stanley Smith Barney LLC as a broker address line but does not name the selling individual.

What securities types are listed on ATEC's Form 144?

The notice lists two award categories: Restricted Stock Units (31,916) and Performance Stock Units (56,919), each associated with the date 03/05/2026.