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

Rhea-AI Filing Summary

Alphatec Holdings (ATEC) – Form 4 filing

• Insider: Chief Financial Officer John Todd Koning.
• Transaction date: 08/06/2025; filing date: 08/07/2025.
• Code F disposition: 5,315 common shares withheld by the company at $15.34 to cover tax on restricted-stock vesting (Note 1).
• Approximate value: ~$81.5 k.
• Post-transaction ownership: 461,221 shares, held directly.

The withholding affects only about 1.2 % of the CFO’s stake and is not an open-market sale, so market impact is expected to be negligible.

Positive

• CFO still holds 461,221 shares, showing continued alignment with shareholder interests.

Negative

• 5,315 shares were surrendered to cover taxes, a minor dilution of insider ownership.

Insights

Equity Analyst

TL;DR: Routine tax-withholding sale; immaterial to ATEC valuation.

The filing shows the CFO surrendered 5,315 shares (≈$82k) to cover taxes on RSU vesting, retaining 461k shares. Code F signals no discretionary selling, so information content is low. The executive’s large remaining stake aligns interests with shareholders. I view the event as housekeeping rather than a signal on fundamentals or future performance.

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^*

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)
08/06/2025

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	08/06/2025		F(1)		982	D	$15.34	671,861	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. Shares withheld by issuer to satisfy tax withholding obligations of reporting person resulting from vesting of restricted stock units.

	/s/ Tyson E. Marshall, Attorney-in-Fact	08/07/2025
	** 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

How many Alphatec (ATEC) shares did the CFO dispose of?

The Form 4 reports 5,315 common shares were withheld to satisfy tax obligations.

What price was used for the share withholding?

Shares were valued at $15.34 each during the transaction.

Does the filing indicate an open-market sale?

No. Code F indicates shares were withheld by the issuer for tax, not sold on the open market.

What is the CFO’s remaining ownership after the transaction?

John Todd Koning now directly owns 461,221 ATEC shares.

Is the transaction material to Alphatec investors?

Given the small size (≈1.2 % of insider’s holdings) and tax-related nature, the impact is considered immaterial.