Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 7 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

7 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 7, 2006 ATEC P 166 $9.00 $1,494 11,015 Direct +1.53% Acquired -90.2% (price as of 2026-10-06)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
June 7, 2006 ATEC Employee Stock Option (Right to buy) Common Stock (7,140) $4.76 Jan. 17, 2016 7,140 Acquired
June 7, 2006 ATEC Employee Stock Option (Right to buy) Series A-1 Common Stock (2,000) $17.00 Jan. 17, 2016 2,000 Disposed
June 7, 2006 ATEC Series A-1 Common Stock Common Stock (10,710) · · 3,000 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 2 holdings

07

Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
June 5, 2006 ATEC Series A-1 Common Stock→ Common Stock · Direct
June 5, 2006 ATEC Employee Stock Option (Right to buy)→ Series A-1 Common Stock [F5] · Direct