Michael O'Neill — SEC Insider Profile, Roles & Companies

Insider at

04

ATEC buying Aug. 10, 2015

Insider transactions

05

0 buys (P) 0 sells (S) Net: $0 + 15 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

15 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 16, 2016	ATEC	J	12,431	$0.17	$2,113	138,653 Direct	+9.85%	Acquired	391.7% (price as of 2026-10-02)
Aug. 10, 2015	ATEC	P	13,488	$0.72	$9,711	126,222 Direct	+11.96%	Acquired	16.1% (price as of 2026-10-02)
May 19, 2015	ATEC	J	2,876	·	·	112,734 Direct	+2.62%	Acquired	(price as of 2026-10-02)
Nov. 14, 2014	ATEC	J	3,164	·	·	109,858 Direct	+2.97%	Acquired	(price as of 2026-10-02)
July 30, 2014	ATEC	A	90,000	$1.42	$127,800	496,250 Direct	+22.15%	Acquired	-41.1% (price as of 2026-10-02)
Oct. 25, 2013	ATEC	F	9,391	·	·	106,694 Direct	-8.09%	Disposed	(price as of 2026-10-02)
Aug. 8, 2013	ATEC	A	56,250	$2.04	$114,750	406,250 Direct	+16.07%	Acquired	-59.0% (price as of 2026-10-02)
Aug. 8, 2013	ATEC	A	18,750	·	·	116,085 Direct	+19.26%	Acquired	(price as of 2026-10-02)
June 21, 2013	ATEC	A	100,000	$2.23	$223,000	350,000 Direct	+40.00%	Acquired	-62.5% (price as of 2026-10-02)
Jan. 4, 2013	ATEC	A	125,000	$1.72	$215,000	350,000 Direct	+55.56%	Acquired	-51.4% (price as of 2026-10-02)
Dec. 19, 2012	ATEC	A	25,000	$2.05	$51,250	225,000 Direct	+12.50%	Acquired	-59.2% (price as of 2026-10-02)
Oct. 11, 2012	ATEC	F	9,165	$1.76	$16,130	97,335 Direct	-8.61%	Disposed	-52.5% (price as of 2026-10-02)
Aug. 9, 2011	ATEC	P	6,500	$2.30	$14,950	106,500 Direct	+6.50%	Acquired	-63.7% (price as of 2026-10-02)
Aug. 1, 2011	ATEC	A	25,000	$2.90	$72,500	225,000 Direct	+12.50%	Acquired	-71.2% (price as of 2026-10-02)
Oct. 11, 2010	ATEC	A	100,000	$2.23	$223,000	100,000 Direct	·	Acquired	-62.5% (price as of 2026-10-02)
Oct. 11, 2010	ATEC	A	200,000	$2.23	$446,000	200,000 Direct	·	Acquired	-62.5% (price as of 2026-10-02)
Oct. 11, 2010	ATEC	A	100,000	·	·	100,000 Direct	·	Acquired	(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.

06

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
July 30, 2014	ATEC	Incentive Stock Option	Common Stock (90,000)	$1.42	July 30, 2014	90,000	Acquired
Aug. 8, 2013	ATEC	Stock Option	Common Stock (56,250)	$2.04	Aug. 8, 2023	56,250	Acquired
June 21, 2013	ATEC	Incentive Stock option	Common Stock (100,000)	$2.23	Oct. 11, 2020	100,000	Acquired
Jan. 4, 2013	ATEC	Incentive Stock Option	Common Stock (125,000)	$1.72	Jan. 4, 2023	125,000	Acquired
Dec. 19, 2012	ATEC	NQ Stock Option	Common Stock (25,000)	$2.05	Dec. 19, 2019	25,000	Acquired
Aug. 1, 2011	ATEC	incentive Stock Option	Common Stock (25,000)	$2.90	Aug. 1, 2012	25,000	Acquired
Oct. 11, 2010	ATEC	Incentoive Stock Option	Common Stock (100,000)	$2.23	Oct. 11, 2020	100,000	Acquired
Oct. 11, 2010	ATEC	Incentive Stock Option	Common Stock (200,000)	$2.23	Oct. 11, 2020	200,000	Acquired

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

Compensation (DEF 14A)

08

Matched by name from proxy statements (DEF 14A) — verify against the filing.

ATEC

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2016	$331,135	$150,000	·	·	·	·	$73,216	$554,351
2015	$335,000	·	$162,000	·	·	·	$6,500	$503,494
2014	$331,539	$205,046	·	·	·	·	$6,500	$699,412

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.