Insider at

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Insider transactions

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0 buys (P) 0 sells (S) Net: $0 + 11 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

11 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Aug. 23, 2024 ATEC P 35,000 $5.76 $201,600 50,000 Indirect +233.33% Acquired 74.1% (price as of 2026-10-02)
March 14, 2024 ATEC P 15,000 $13.53 $202,950 15,000 Indirect · Acquired -25.9% (price as of 2026-10-02)
Aug. 23, 2023 ATEC S 10b5-1 8,700 $14.92 $129,804 1,089,038 Direct -0.79% Disposed -32.8% (price as of 2026-10-02)
Nov. 26, 2021 ATEC P 10,000 $10.57 $105,700 786,361 Direct +1.29% Acquired -5.1% (price as of 2026-10-02)
March 11, 2019 ATEC P 20,566 $2.59 $53,266 726,912 Direct +2.91% Acquired 287.3% (price as of 2026-10-02)

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 15, 2022 ATEC Warrants (right to buy) Common Stock (400,000) $2.00 June 15, 2022 400,000 Disposed

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

Initial ownership (Form 3) 2 holdings

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

DateTickerSecuritySharesOwnership
March 16, 2018 ATEC Common Stock 681,420 Direct
March 16, 2018 ATEC Warrants (right to buy)→ Common Stock · Direct