Michael Joseph Plunkett

Insider

First SEC filing: Feb. 6, 2014 · Latest: Feb. 6, 2014

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.
Compensation Executive pay disclosed in company proxy statements.

Insider at

ATEC buying Aug. 11, 2015

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 16 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

16 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 24, 2017	ATEC	M	150	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Aug. 24, 2017	ATEC	M	75,000	—	—	200,127 Direct	+59.94%	Acquired	(price as of 2026-08-20)
July 26, 2017	ATEC	A	193,000	—	—	193,000 Direct	—	Acquired	(price as of 2026-08-20)
March 29, 2017	ATEC	A	75,000	—	—	75,000 Direct	—	Acquired	(price as of 2026-08-20)
March 29, 2017	ATEC	A	150	$1000.00	$150,000	150 Direct	—	Acquired	-99.0% (price as of 2026-08-20)
Dec. 12, 2016	ATEC	A	100,000	—	—	120,961 Direct	+477.08%	Acquired	(price as of 2026-08-20)
Dec. 12, 2016	ATEC	A	25,000	$4.35	$108,750	48,750 Direct	+105.26%	Acquired	120.9% (price as of 2026-08-20)
Nov. 15, 2016	ATEC	J	2,486	$1.94	$4,823	20,961 Direct	+13.46%	Acquired	395.4% (price as of 2026-08-20)
Nov. 15, 2016	ATEC	J	2,486	$1.94	$4,823	18,682 Direct	+15.35%	Acquired	395.4% (price as of 2026-08-20)
May 16, 2016	ATEC	J	22,212	$0.17	$3,776	221,702 Direct	+11.13%	Acquired	371.1% (price as of 2026-08-20)
Aug. 11, 2015	ATEC	P	15,000	$0.73	$10,950	199,490 Direct	+8.13%	Acquired	9.7% (price as of 2026-08-20)
Aug. 11, 2015	ATEC	A	15,000	$0.73	$10,950	199,490 Direct	+8.13%	Acquired	9.7% (price as of 2026-08-20)
Aug. 10, 2015	ATEC	P	15,000	$0.72	$10,800	199,490 Direct	+8.13%	Acquired	11.2% (price as of 2026-08-20)
Aug. 10, 2015	ATEC	P	15,000	$0.72	$10,800	199,490 Direct	+8.13%	Acquired	11.2% (price as of 2026-08-20)
May 15, 2015	ATEC	J	18,116	$1.16	$21,015	169,490 Direct	+11.97%	Acquired	-31.0% (price as of 2026-08-20)
Nov. 14, 2014	ATEC	J	18,656	$1.14	$21,268	151,374 Direct	+14.06%	Acquired	-29.8% (price as of 2026-08-20)
July 30, 2014	ATEC	A	90,000	$1.42	$127,800	285,000 Direct	+46.15%	Acquired	-43.6% (price as of 2026-08-20)
Jan. 8, 2014	ATEC	A	25,000	$2.01	$50,250	195,000 Direct	+14.71%	Acquired	-60.2% (price as of 2026-08-20)
Jan. 8, 2014	ATEC	A	75,000	—	—	132,718 Direct	+129.94%	Acquired	(price as of 2026-08-20)

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.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Aug. 24, 2017	ATEC	Series A Convertible Preferred Stock	Common Stock (75,000)	$0.00	—	150	Disposed
July 26, 2017	ATEC	Employee Stock Option (right to buy)	Common Stock (193,000)	$1.68	July 26, 2027	193,000	Acquired
March 29, 2017	ATEC	Warrants (right to buy)	Common Stock (75,000)	$2.00	—	75,000	Acquired
March 29, 2017	ATEC	Series A Convertible Preferred Stock	Common Stock (75,000)	$2.00	—	150	Acquired
Dec. 12, 2016	ATEC	Incentive Stock Option	Common Sock (25,000)	$4.43	Dec. 12, 2026	25,000	Acquired
July 30, 2014	ATEC	Incentive Stock Option	Common Stock (90,000)	$1.42	July 30, 2024	90,000	Acquired
Jan. 8, 2014	ATEC	Incentive Stock Option	Common Stock (25,000)	$2.01	Jan. 8, 2024	25,000	Acquired

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

Initial ownership (Form 3) 4 holdings

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

Date	Ticker	Security	Shares	Ownership
Feb. 6, 2014	ATEC	Common Stock [F1]	—	Direct
Feb. 6, 2014	ATEC	Incentive Stock Option→ Common Stock	—	Direct
Feb. 6, 2014	ATEC	Incentive Stock Option→ Common Stock	—	Direct
Feb. 6, 2014	ATEC	Incentive Stock Option→ Common Stock	—	Direct

Compensation (DEF 14A)

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	$331,731	$120,000	—	—	—	—	$8,793	$977,119
2015	$325,102	—	$162,000	—	—	—	$6,701	$493,797
2014	$330,415	$198,925	—	—	—	—	$17,119	$884,356

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