ATEC director sells 200,000 shares at $19.32; 385,441 remain

Alphatec Holdings (ATEC) insider activity: A director reported a sale of common stock on 11/03/2025.

Rhea-AI Filing Summary

Alphatec Holdings (ATEC) insider activity: A director reported a sale of common stock on 11/03/2025. The filing shows a disposition of 200,000 shares at a price of $19.32 per share under transaction code S (sale). After this transaction, the reporting person directly beneficially owns 385,441 shares.

The filing reflects a single non-derivative transaction and indicates direct ownership. No derivative securities transactions were reported in this filing.

Insights

Insider transactions analyst

Routine Form 4 sale; ownership updated to 385,441 shares.

A director of Alphatec Holdings reported selling 200,000 common shares at $19.32 on 11/03/2025, coded as an open-market sale (S). Following the sale, direct beneficial ownership stands at 385,441 shares.

This is a standard Section 16 disclosure that updates insider holdings. It does not, by itself, indicate changes in company fundamentals. Actual impact depends on broader trading context and future disclosures.

Insider Trade Summary

Net Seller: 200,000 shares

Net Sell 1 txn

Insider Rydin Jeffrey P

Role Director

Sold 200,000 shs ($3.86M)

Type	Security	Shares	Price	Value
Sale	Common Stock	200,000	$19.32	$3.86M

Holdings After Transaction: Common Stock — 385,441 shares (Direct)

FAQ

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

What did the ATEC Form 4 disclose?

A director reported selling 200,000 shares of Alphatec common stock at $19.32 on 11/03/2025.

How many ATEC shares does the insider own after the transaction?

The filing reports 385,441 shares beneficially owned directly after the sale.

What was the transaction code on the ATEC Form 4?

The transaction was coded S, indicating a sale.

Was this an ATEC derivative transaction?

No. The filing lists only a non-derivative sale; no derivative entries were reported.

What is the insider’s relationship to Alphatec (ATEC)?

The reporting person is a Director of Alphatec Holdings, Inc.

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

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Accepted by SEC EDGAR 11/05/2025 - 06:30 PM Learn about SEC filing dates

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

X

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^*

Rydin Jeffrey P

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
11/03/2025

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	11/03/2025		S		200,000	D	$19.32	385,441	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:

	/s/ Tyson E. Marshall, Attorney-in-Fact	11/05/2025
	** 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.