Were Karen McGinnis’s Alphatec (ATEC) share sales made under a Rule 10b5-1 plan?

Yes. The Form 4 states the sales were effected under a Rule 10b5-1 trading plan adopted on November 21, 2025. The filing explains that these transactions were designed to satisfy certain tax withholding obligations from the vesting of restricted stock units.

Alphatec Holdings (ATEC) director gets 32,012 RSUs and sells 6,050 shares

Filing Impact

(Neutral)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

Alphatec Holdings director Karen K. McGinnis reported both an equity award and a small share sale. On June 10, 2026, she received 32,012 restricted stock units, each representing a contingent right to one share of common stock, vesting at the next annual stockholder meeting or upon earlier death or resignation on a pro-rata basis.

On June 11, 2026, she sold 6,050 shares of Alphatec common stock at an average price of $8.01 per share. The filing states these sales were executed under a Rule 10b5-1 trading plan adopted to satisfy tax withholding obligations from vesting restricted stock units. After the transactions, she directly held 94,671 shares of common stock.

Insider Trade Summary 10b5-1

Net Seller: 6,050 shares ($48,461)

Net Sell 2 txns

Insider MCGINNIS KAREN K

Role null

Sold 6,050 shs ($48K)

Type	Security	Shares	Price	Value
Sale	Common Stock	6,050	$8.01	$48K
Grant/Award	Common Stock	32,012	$0.00	--

Holdings After Transaction: Common Stock — 94,671 shares (Direct, null)

Footnotes (1)

On June 10, 2026, issuer granted to the reporting person 32,012 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of issuer's common stock. The restricted stock units vest on the earlier of (a) the next annual meeting of stockholders and (b) the death or resignation of the reporting person. In the event of death or resignation of the reporting person, the grant will vest pro-rata based on the number of actual days served by the reporting person from the time of the grant to such death or resignation, divided by 365. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025 to satisfy certain tax withholding obligations of the reporting person resulting from the vesting of restricted stock units.

Key Figures

RSU grant: 32,012 restricted stock units Shares sold: 6,050 shares Sale price: $8.01 per share +2 more

5 metrics

RSU grant 32,012 restricted stock units Granted on June 10, 2026; each unit equals one common share

Shares sold 6,050 shares Open-market sale on June 11, 2026

Sale price $8.01 per share Average price for 6,050 shares sold on June 11, 2026

Post-transaction holdings 94,671 shares Directly owned common shares after June 11, 2026 sale

Net share change -6,050 shares Net buy/sell direction from transaction summary

Key Terms

restricted stock units, Rule 10b5-1 trading plan, tax withholding obligations, vesting

4 terms

restricted stock units financial

"issuer granted to the reporting person 32,012 restricted stock units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

Rule 10b5-1 trading plan financial

"sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

tax withholding obligations financial

"to satisfy certain tax withholding obligations of the reporting person"

vesting financial

"resulting from the vesting of restricted stock units"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

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Form 4 Insider Transactions: What Each Field Means →

06/12/2026 - 05:54 PM

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^*

MCGINNIS KAREN K

(Last)

(First)

(Middle)

C/O ALPHATEC SPINE, INC.

1950 CAMINO VIDA ROBLE

(Street)

CARLSBAD

CALIFORNIA

92008

(City)

(State)

(Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/10/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock⁽¹⁾	06/10/2026		A⁽¹⁾		32,012	A	$0⁽¹⁾	100,721	D
Common Stock	06/11/2026		S⁽²⁾		6,050	D	$8.01	94,671	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. On June 10, 2026, issuer granted to the reporting person 32,012 restricted stock units. Each restricted stock unit represents a contingent right to receive one share of issuer's common stock. The restricted stock units vest on the earlier of (a) the next annual meeting of stockholders and (b) the death or resignation of the reporting person. In the event of death or resignation of the reporting person, the grant will vest pro-rata based on the number of actual days served by the reporting person from the time of the grant to such death or resignation, divided by 365.

2. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 21, 2025 to satisfy certain tax withholding obligations of the reporting person resulting from the vesting of restricted stock units.

	/s/ Tyson E. Marshall, Attorney-in-Fact	06/12/2026
	** 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.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transactions did Alphatec (ATEC) director Karen McGinnis report?

Karen K. McGinnis reported receiving restricted stock units and selling shares. She was granted 32,012 restricted stock units on June 10, 2026, and sold 6,050 shares of Alphatec common stock on June 11, 2026, as disclosed in the Form 4.

How many Alphatec (ATEC) shares did Karen McGinnis sell and at what price?

She sold 6,050 shares of Alphatec common stock at an average price of $8.01 per share. These transactions occurred on June 11, 2026, and were reported as open-market sales in the Form 4 filing for Alphatec Holdings.

What equity award did Karen McGinnis receive from Alphatec Holdings (ATEC)?

On June 10, 2026, she received a grant of 32,012 restricted stock units. Each unit represents a contingent right to receive one share of Alphatec common stock, vesting at the next annual stockholder meeting or earlier upon death or resignation, with pro-rata vesting in those cases.

How many Alphatec (ATEC) shares does Karen McGinnis hold after these transactions?

Following the reported transactions, Karen K. McGinnis directly held 94,671 shares of Alphatec common stock. This post-transaction holding figure appears in the Form 4 and reflects her direct ownership after the June 11, 2026 open-market sale.

How do the restricted stock units granted to Karen McGinnis vest at Alphatec (ATEC)?

The 32,012 restricted stock units vest on the earlier of the next annual meeting of stockholders or her death or resignation. In the case of death or resignation, vesting occurs on a pro-rata basis based on days served from the grant date divided by 365.