Koning John Todd 4
4 · Alphatec Holdings, Inc. · Filed Mar 17, 2026
Research Summary
AI-generated summary of this filing
Alphatec (ATEC) CFO John Koning Sells 79,789 Shares
What Happened John Todd Koning, Chief Financial Officer of Alphatec Holdings, sold 79,789 shares of ATEC on March 13, 2026. The shares were disposed at a weighted average price of $12.36 per share, generating proceeds of approximately $986,192. This was a sale (not a purchase or exercise).
Key Details
- Transaction date: 2026-03-13; Form 4 filed: 2026-03-17 (timely filed).
- Reported price: weighted average $12.36; individual sale prices ranged from $12.21 to $12.64.
- Shares owned after transaction: not disclosed in the provided filing.
- Footnotes: Sale was executed pursuant to a Rule 10b5-1 trading plan adopted December 12, 2025 to satisfy tax withholding obligations from vesting restricted stock units. The filer can provide a breakdown of the number of shares sold at each price on request.
Context
- This transaction was effected under a pre-established 10b5-1 plan to cover tax withholding tied to RSU vesting, which is a common reason insiders sell shares and does not necessarily indicate a change in view on the company.
- Sales are generally less informative than purchases for signaling conviction; this appears to be routine tax-related selling rather than an opportunistic purchase or exercise.
Insider Transaction Report
Form 4
Koning John Todd
CHIEF FINANCIAL OFFICER
Transactions
- Sale
Common Stock
[F1][F2]2026-03-13$12.36/sh−79,789$986,192→ 600,721 total
Footnotes (2)
- [F1]The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 12, 2025 to satisfy certain tax withholding obligations of the reporting person resulting from the vesting of restricted stock units.
- [F2]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $12.21 to $12.64, 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.
Signature
/s/ Tyson E. Marshall, Attorney-in-Fact|2026-03-17