Alphatec (ATEC) EVP sells 116K shares under 10b5-1 tax plan

Rhea-AI Filing Summary

Alphatec Holdings EVP Craig E. Hunsaker reported open-market sales of 116,367 shares of common stock at weighted average prices around $12.22 and $12.45 per share. These sales were carried out under a Rule 10b5-1 trading plan adopted to satisfy tax withholding obligations from vesting restricted stock units.

He also made a bona fide gift of 600 shares. After these transactions, Hunsaker directly holds 1,725,609 shares of Alphatec common stock, indicating the activity represents a relatively small portion of his overall stake and appears primarily tax- and planning-related.

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

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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^*

Hunsaker Craig E

(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, PEOPLE & CULTURE

3. Date of Earliest Transaction (Month/Day/Year)
03/06/2026

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	03/06/2026		S(1)		33,602	D	$12.22(2)	1,808,974	D
Common Stock	03/09/2026		S		82,765	D	$12.45(3)	1,726,209	D
Common Stock	03/09/2026		G		600	D	$0	1,725,609	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 March 5, 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 $12.15 to $12.30, 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. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.31 to $12.77, 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. Marshall, Attorney-in-Fact	03/10/2026
	** 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).
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 transactions did Alphatec (ATEC) EVP Craig Hunsaker report?

Craig E. Hunsaker reported selling 116,367 Alphatec shares in open-market transactions and gifting 600 shares. The sales used weighted average prices around $12.22 and $12.45 per share and were executed under a pre-arranged Rule 10b5-1 trading plan tied to RSU-related tax obligations.

Why did Alphatec (ATEC) EVP Craig Hunsaker sell shares in this Form 4?

The filing explains the sales were made under a Rule 10b5-1 trading plan to satisfy tax withholding obligations arising from the vesting of restricted stock units. This indicates the transactions are largely driven by tax and compensation events rather than purely discretionary trading decisions.

How many Alphatec (ATEC) shares does Craig Hunsaker hold after these transactions?

After the reported sales and the 600-share gift, Craig Hunsaker directly holds 1,725,609 shares of Alphatec common stock. This suggests the 116,367 shares sold represent only a small fraction of his remaining ownership position in the company following the RSU-related activity.

At what prices did Alphatec (ATEC) EVP Craig Hunsaker sell his shares?

The Form 4 lists weighted average sale prices of $12.22 and $12.45 per share. Footnotes clarify these represent multiple trades in ranges from $12.15 to $12.30 and from $12.31 to $12.77, with full trade-by-trade details available upon request from the reporting person.

What is the significance of the Rule 10b5-1 trading plan in the Alphatec (ATEC) Form 4?

The Rule 10b5-1 plan means Hunsaker’s sale instructions were pre-set in advance, before the trades occurred. According to the filing, the plan was adopted to address tax withholding from RSU vesting, suggesting the timing is part of a structured compensation and tax strategy rather than spontaneous selling.