Alphatec (NASDAQ: ATEC) CEO logs tax-withholding disposal of 219,749 shares

Rhea-AI Filing Summary

Alphatec Holdings, Inc. CEO Miles Patrick reported a tax-related share disposition. On March 5, 2026, he disposed of 219,749 shares of Common Stock at $12.57 per share through a Form 4 transaction coded “F.”

The footnote explains these shares were withheld by the issuer to satisfy tax withholding obligations arising from the vesting of restricted stock units, rather than an open-market sale. After this transaction, Patrick directly owned 5,778,551 shares, and indirectly held 10,900 shares by IRA and 250,000 shares by MOM, LLC.

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).

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^*

Miles Patrick

(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
X	Officer (give title below)		Other (specify below)
	CEO

3. Date of Earliest Transaction (Month/Day/Year)
03/05/2026

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	03/05/2026		F(1)		219,749	D	$12.57	5,778,551	D
Common Stock								10,900	I	By IRA
Common Stock								250,000	I	By MOM, LLC

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	03/08/2026
	** Signature of Reporting Person	Date
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FAQ

What did Alphatec (ATEC) CEO Miles Patrick report in this Form 4 filing?

Alphatec CEO Miles Patrick reported a tax-withholding disposition of shares. The company withheld shares of Common Stock to cover his tax obligations from restricted stock units vesting, rather than a discretionary open-market sale.

How many Alphatec (ATEC) shares were disposed of for taxes by the CEO?

Miles Patrick had 219,749 shares of Alphatec Common Stock disposed of at $12.57 per share. These shares were withheld by the company to satisfy his tax withholding obligations triggered by restricted stock units vesting.

Was the Alphatec (ATEC) CEO’s Form 4 transaction an open-market sale?

No, the Form 4 describes a tax-withholding disposition, not an open-market sale. Shares were withheld by the issuer to cover tax liabilities from restricted stock units vesting, as indicated by the “F” transaction code and footnote.

How many Alphatec (ATEC) shares does CEO Miles Patrick own after this Form 4?

After the transaction, Miles Patrick directly owned 5,778,551 shares of Alphatec Common Stock. He also indirectly held 10,900 shares by IRA and 250,000 shares by MOM, LLC, reflecting both direct and indirect ownership positions.

What does transaction code F mean in the Alphatec (ATEC) CEO’s Form 4?

Transaction code F signifies payment of the exercise price or tax liability by delivering securities. In this case, Alphatec withheld Common Stock shares from CEO Miles Patrick to satisfy his tax withholding obligations from restricted stock unit vesting.

How is the Alphatec (ATEC) CEO’s indirect ownership reported in this Form 4?

The Form 4 shows indirect ownership of 10,900 shares held by IRA and 250,000 shares held by MOM, LLC. These entries reflect shares attributed to entities associated with Miles Patrick, separate from his directly owned holdings.