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

Rhea-AI Filing Summary

Alphatec Holdings, Inc. (ATEC)11/20/2025, the officer sold 70,000 shares of common stock in an open market transaction coded as "S".

The shares were sold at a weighted average price of $19.51, with individual sale prices ranging from $19.46 to $19.58. Following this transaction, the reporting person beneficially owns 368,331 shares of Alphatec common stock, held directly.

Insights

Equity Ownership and Governance Analyst

Alphatec’s General Counsel reported an open‑market sale of 70,000 shares, retaining a sizable direct equity stake after the transaction.

The filing shows the General Counsel and Corporate Secretary of Alphatec Holdings, Inc. sold 70,000 shares of common stock on 11/20/2025. The weighted average sale price was $19.51 per share, with individual trades between $19.46 and $19.58. After this sale, the reporting person directly holds 368,331 shares.

This Form 4 records a change in insider beneficial ownership, which helps track alignment between key executives and the company. The sale reduces the insider’s exposure but leaves a substantial remaining position, indicating continued economic interest. The transaction is reported as a straightforward sale of non-derivative common stock; no options or other derivative movements are disclosed in Table II.

The footnote clarifies the trade was executed through multiple transactions within a narrow price band and offers to provide detailed breakdowns upon request. That level of detail supports transparency on execution. From a monitoring perspective, this is a single reported sale by a senior legal officer on 11/20/2025; future Form 4 filings will show whether this is an isolated portfolio move or part of a broader pattern of ownership change.

11/21/2025 - 08:03 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

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^*

Marshall Tyson Eliot

(Last) (First) (Middle)

C/O ALPHATEC SPINE, INC.

1950 CAMINO VIDA ROBLE

(Street)

CARLSBAD CA 92008

(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		10% Owner
X	Officer (give title below)		Other (specify below)
	GENERAL COUNSEL & CORP. SEC.

3. Date of Earliest Transaction (Month/Day/Year)
11/20/2025

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	11/20/2025		S		70,000	D	$19.51(1)	368,331	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 $19.46 to $19.58, 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.

	/s/ Tyson E. Marsall	11/21/2025
	** 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 in this Form 4?

Alphatec Holdings reported that its General Counsel & Corporate Secretary sold 70,000 shares of common stock in an open market transaction coded "S" on 11/20/2025.

At what price were the Alphatec (ATEC) shares sold in the reported insider trade?

The 70,000 shares were sold at a weighted average price of $19.51 per share, with actual sale prices ranging from $19.46 to $19.58, inclusive.

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

After the reported sale, the officer beneficially owns 368,331 shares of Alphatec common stock in direct ownership.

What is the role of the reporting person in Alphatec Holdings (ATEC)?

The reporting person is an officer of Alphatec Holdings, serving as General Counsel & Corporate Secretary.

How were the sale prices for the Alphatec (ATEC) insider transaction structured?

The filing states that the shares were sold in multiple transactions at prices ranging from $19.46 to $19.58. The weighted average price reported is $19.51.

Does the insider commit to provide detailed trade breakdowns for the Alphatec (ATEC) sale?

Yes. The reporting person undertakes to provide full information on the number of shares sold at each separate price within the stated range upon request to the issuer, any security holder, or the SEC staff.