[Form 4] Alphatec Holdings, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Alphatec Holdings, Inc. (ATEC)11/24/2025, the reporting person sold 250,000 shares of common stock in an open-market transaction coded "S" (sale). The weighted average sale price was $20.62 per share, with individual trades executed between $20.34 and $20.79. After this transaction, the insider beneficially owns 10,895,045 shares of Alphatec common stock directly.

11/25/2025 - 07:00 PM

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

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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 LLC

(Last) (First) (Middle)

18 HARFORD AVENUE

P.O. BOX 233

(Street)

GRANBY CT 06035

(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	D

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.

	David R. Pelizzon, President	11/25/2025
	** 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 (ATEC) report on this Form 4?

The filing reports that a company director sold 250,000 shares of Alphatec Holdings, Inc. common stock in an open-market transaction on 11/24/2025.

At what price were the 250,000 Alphatec (ATEC) shares sold?

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

How many Alphatec (ATEC) shares does the insider own after this sale?

Following the reported sale, the insider beneficially owns 10,895,045 shares of Alphatec Holdings, Inc. common stock, held directly.

What does the transaction code "S" mean in the Alphatec (ATEC) Form 4?

In the Form 4, the transaction code "S" indicates an open-market or private sale of non-derivative securities, in this case Alphatec common stock.

Was this Alphatec (ATEC) insider sale executed in multiple trades?

Yes. The filing notes the price is a weighted average and that the 250,000 shares were sold in multiple transactions at prices between $20.34 and $20.79.

What role does the reporting person hold at Alphatec (ATEC)?

The reporting person is identified as a director of Alphatec Holdings, Inc., and the Form 4 is filed as a single reporting person filing.