Alphatec Holdings (ATEC) EVP sells 60,425 shares under Rule 10b5-1 plan

Rhea-AI Filing Summary

Alphatec Holdings, Inc. executive David Sponsel, EVP of Sales, reported selling 60,425 shares of common stock on February 5, 2026 at a weighted average price of $13.79 per share. The filing states the sales were made under a Rule 10b5-1 trading plan adopted on June 12, 2025 to cover certain tax withholding obligations arising from vested restricted stock units.

After this transaction, Sponsel beneficially owns 349,500 shares of Alphatec common stock, including shares acquired through the company’s employee stock purchase plan and reflecting the forfeiture of some previously reported restricted stock units that did not meet performance criteria.

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).

X

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^*

Sponsel David

(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)
	EVP, SALES

3. Date of Earliest Transaction (Month/Day/Year)
02/05/2026

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	02/05/2026		S(1)		60,425	D	$13.79(2)	349,500(3)	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 sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 12, 2025 to satisfy certain tax withholding obligations of the reporting person resulting from the vesting of restricted stock units.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.43 to $14.22, 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.

3. Includes 276 shares and 196 shares acquired under issuer's employee stock purchase plan on May 15, 2025 and November 14, 2025, respectively, and also reflects the forfeiture of 30,314 previously reported restricted stock units for failure to satisfy applicable performance criteria.

	/s/ Tyson E. Marshall, Attorney-in-Fact	02/06/2026
	** 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).
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FAQ

Who is the insider reporting this Form 4 transaction for ATEC?

The Form 4 lists David Sponsel as the reporting person. He is an officer of Alphatec Holdings, Inc., serving as Executive Vice President, Sales, and files individually rather than as part of a group.

How many Alphatec (ATEC) shares did the EVP of Sales sell?

David Sponsel reported selling 60,425 shares of Alphatec common stock in a single transaction dated February 5, 2026. The sale is coded as an "S" transaction, indicating a disposition of non-derivative securities.

What price did David Sponsel receive for his ATEC share sale?

The reported sale used a weighted average price of $13.79 per share. A footnote explains the shares were sold in multiple trades within a range of $13.43 to $14.22, and detailed trade breakdowns are available on request.

How many ATEC shares does the EVP of Sales hold after the sale?

Following the reported transaction, David Sponsel beneficially owns 349,500 shares of Alphatec common stock. This figure includes shares acquired through the company’s employee stock purchase plan and adjustments from forfeited restricted stock units.

Was the Alphatec (ATEC) insider sale part of a Rule 10b5-1 plan?

Yes. A footnote states the sales were executed under a Rule 10b5-1 trading plan adopted on June 12, 2025. The plan was established to satisfy tax withholding obligations from the vesting of restricted stock units.

What additional share activity does the filing note for the ATEC EVP?

The filing notes that Sponsel’s holdings include 276 shares and 196 shares acquired under Alphatec’s employee stock purchase plan on May 15, 2025 and November 14, 2025. It also reflects the forfeiture of 30,314 restricted stock units for unmet performance criteria.