ATEC Form 144: proposed sale of 79,789 RSUs

ATEC representative filed a Form 144 proposing the sale of 79,789 restricted and performance stock units.

Rhea-AI Filing Summary

ATEC representative filed a Form 144 proposing the sale of 79,789 restricted and performance stock units. The filing lists 79,789 securities tied to Restricted Stock Units & Performance Stock Units with dates noted as 02/01/2026 and a filing/date entry of 03/13/2026.

The notice identifies Morgan Stanley Smith Barney LLC Executive Financial Services and lists an amount $997,362.50 on the cover line; trading venue is shown as NASDAQ. The filing is a broker-dealer submission of a proposed resale under Form 144.

Insights

Securities Compliance Analyst

Form 144 documents a proposed resale of 79,789 equity awards recorded through a broker-dealer.

The filing lists Restricted Stock Units & Performance Stock Units dated 02/01/2026 and a numeric entry of $997,362.50. This is a notice of intent to sell under Rule 144; it does not confirm completed transactions or proceeds recipients.

Timing and final cash‑flow treatment are not shown in the excerpt; subsequent transfer or sale details would appear in settlement confirmations or later filings.

Equity Plan Accountant

The entry appears to record an award-related resale notice rather than a primary issuance by the company.

The securities are identified by award type and date (02/01/2026), indicating these are issuer-originated RSUs/PSUs now listed for resale. The numeric value $997,362.50 is included on the cover line and may represent aggregate value linked to the shares reported.

Accounting impact on outstanding shares is not provided in the excerpt; outstanding share counts or dilution metrics are not shown.

FAQ

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

What does ATEC's Form 144 filing report?

The filing reports a broker-dealer notice to sell 79,789 securities tied to Restricted Stock Units & Performance Stock Units with dates including 02/01/2026 and a filing entry of 03/13/2026.

Who is listed on the Form 144 for ATEC?

The cover shows Morgan Stanley Smith Barney LLC Executive Financial Services on the submission line as the broker-dealer handling the proposed sale of the listed securities.

Does the Form 144 show how much cash ATEC will receive?

The excerpt includes a numeric entry of $997,362.50 on the cover line, but it does not explicitly state whether the issuer or selling holder receives proceeds or confirm settlement details.

Are the securities in the Form 144 newly issued or resale?

The document identifies the instruments as Restricted Stock Units & Performance Stock Units and appears to be a resale notice under Form 144 rather than a primary offering by the company.

What dates are shown in the ATEC Form 144 excerpt?

The excerpt lists award or transaction dates of 02/01/2026 and a filing or cover date of 03/13/2026, tied to the securities and submission details.

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

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Accepted by SEC EDGAR 03/13/2026 - 04:21 PM Learn about SEC filing dates

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	0001830843
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	ALPHATEC HOLDINGS INC
SEC File Number	000-52024
Address of Issuer	1950 Camino Vida Roble Carlsbad CALIFORNIA 92008
Phone	7604319286
Name of Person for Whose Account the Securities are To Be Sold	JOHN TODD KONING
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	Officer

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	79789	997362.50	151356620	03/13/2026	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	02/01/2026	Restricted Stock Units & Performance Stock Units	Issuer			79789	02/01/2026	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	The securities to be sold were acquired upon the vesting of restricted stock units & performance stock units during the period of 02/01/2026 through 03/05/2026.
Date of Notice	03/13/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	12/12/2025
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	/s/ John Todd Koning
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)