ATEC insider sale: 250,000 Alphatec shares sold by director

Rhea-AI Filing Summary

Alphatec Holdings, Inc. (ATEC) reported an insider sale of 250,000 shares of common stock on 11/24/2025. The transaction, coded as an "S" sale, was executed at a weighted average price of $20.62 per share, with individual trades occurring between $20.34 and $20.79. The filing notes that the reporting person is a director of Alphatec and that the form was filed for one reporting person.

Following this sale, the reporting person reported beneficial ownership of 10,895,045 Alphatec shares, held indirectly. These shares are held of record by Squadron Capital LLC, whose controlling member is Squadron Capital Holdings LLC. The signer of the form is Mary Falcon, Manager of Squadron Capital Holdings LLC.

Insider Trade Summary

Net Seller: 250,000 shares ($5,155,000)

Net Sell 1 txn

Insider Squadron Capital Holdings LLC

Role 10% Owner

Sold 250,000 shs ($5.16M)

Type	Security	Shares	Price	Value
Sale	Common Stock	250,000	$20.62	$5.16M

Holdings After Transaction: Common Stock — 10,895,045 shares (Indirect, See footnote)

Footnotes (1)

1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.34 to $20.79 inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. These shares are held of record by Squadron Capital LLC ("Squadron"). Squadron Capital Holdings LLC is the controlling member of Squadron.

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Form 4 Insider Transactions: What Each Field Means →

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^*

Squadron Capital Holdings LLC

(Last) (First) (Middle)

104 S. MICHIGAN AVE.

(Street)

CHICAGO IL 60603

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Alphatec Holdings, Inc. [ ATEC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
11/24/2025

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

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

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

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	11/24/2025		S		250,000	D	$20.62(1)	10,895,045	I	See footnote(2)

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 price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.34 to $20.79 inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

2. These shares are held of record by Squadron Capital LLC ("Squadron"). Squadron Capital Holdings LLC is the controlling member of Squadron.

	/s/ Mary Falcon, Manager of Squadron Capital Holdings LLC	11/26/2025
	** 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.

FAQ

What insider transaction did Alphatec Holdings (ATEC) report on this Form 4?

The filing reports that a director of Alphatec Holdings, Inc. (ATEC) sold 250,000 shares of common stock on 11/24/2025.

At what price were the Alphatec (ATEC) shares sold in this Form 4 filing?

The 250,000 shares were sold at a weighted average price of $20.62 per share, with individual sale prices ranging from $20.34 to $20.79.

How many Alphatec (ATEC) shares does the reporting person own after the transaction?

After the reported sale, the reporting person beneficially owns 10,895,045 shares of Alphatec common stock, held indirectly.

How are the remaining Alphatec (ATEC) shares held by the reporting person structured?

The remaining 10,895,045 shares are held of record by Squadron Capital LLC, whose controlling member is Squadron Capital Holdings LLC.

What is the reporting person’s relationship to Alphatec Holdings (ATEC)?

The reporting person is identified as a Director of Alphatec Holdings, Inc. on the Form 4.

Who signed the Alphatec (ATEC) Form 4 reporting this insider transaction?

The Form 4 was signed by /s/ Mary Falcon, identified as Manager of Squadron Capital Holdings LLC, on 11/26/2025.