David Allen Johnson

Insider

First SEC filing: Nov. 24, 2021 · Latest: Nov. 24, 2021

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 3 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

No open-market trades on record; showing all filings.

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Nov. 23, 2021	MTEX	M	12,500	$15.70	$196,250	5,500 Direct	-69.44%	Disposed	-58.6% (price as of 2026-08-19)
Nov. 23, 2021	MTEX	M	12,500	$15.70	$196,250	12,500 Direct	—	Acquired	-58.6% (price as of 2026-08-19)
April 2, 2018	MTEX	A	18,000	—	—	18,000 Direct	—	Acquired	(price as of 2026-08-19)

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.

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Nov. 23, 2021	MTEX	Right to Purchase Common Stock	Common Stock, par value $0.0001 per share (12,500)	$15.70	April 2, 2028	12,500	Disposed
April 2, 2018	MTEX	Right to Purchase Common Stock	Common Stock, par value $0.0001 per share (18,000)	$15.70	April 2, 2028	18,000	Acquired

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

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

CFO

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2023	$262,000	$5,241	—	—	$0	—	$18,928	$286,169
2022	$258,769	$5,038	—	—	$0	—	$20,275	$284,082
2021	$250,000	$7,212	—	—	$125,000	—	$18,321	$400,533

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