TOTH ROBERT

CIK 1211831 · View on SEC EDGAR ↗

Insider Activist

First SEC filing: April 24, 2026 · Latest: June 5, 2026

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 41 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

41 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Dec. 29, 2017 MTEX P 2,000 $15.00 $30,000 59,568 Direct +3.47% Acquired -56.7% (price as of 2026-08-19)
March 31, 2015 MTEX P 6,000 $19.22 $115,320 53,000 Direct +12.77% Acquired -66.2% (price as of 2026-08-19)
Aug. 25, 2014 MTEX P 6,000 $12.54 $75,240 46,000 Direct +15.00% Acquired -48.2% (price as of 2026-08-19)
July 1, 2014 MTEX P 5,000 $12.61 $63,050 40,000 Direct +14.29% Acquired -48.5% (price as of 2026-08-19)
March 24, 2014 MTEX P 5,000 $17.70 $88,500 35,000 Direct +16.67% Acquired -63.3% (price as of 2026-08-19)
Dec. 6, 2013 MTEX P 5,000 $17.77 $88,850 30,000 Direct +20.00% Acquired -63.4% (price as of 2026-08-19)
Oct. 3, 2013 MTEX P 5,000 $22.99 $114,950 25,000 Direct +25.00% Acquired -71.7% (price as of 2026-08-19)
Aug. 8, 2013 MTEX P 5,000 $13.76 $68,800 20,000 Direct +33.33% Acquired -52.8% (price as of 2026-08-19)
July 12, 2013 MTEX P 3,000 $11.95 $35,850 15,000 Direct +25.00% Acquired -45.6% (price as of 2026-08-19)
July 11, 2013 MTEX P 2,000 $11.58 $23,160 12,000 Direct +20.00% Acquired -43.9% (price as of 2026-08-19)
June 11, 2013 MTEX P 4,000 $10.30 $41,200 10,000 Direct +66.67% Acquired -36.9% (price as of 2026-08-19)
May 14, 2013 MTEX P 2,468 $10.50 $25,914 6,000 Direct +69.88% Acquired -38.1% (price as of 2026-08-19)
May 14, 2013 MTEX P 2,163 $9.96 $21,543 3,532 Direct +158.00% Acquired -34.7% (price as of 2026-08-19)
May 10, 2013 MTEX P 200 $7.85 $1,570 1,369 Direct +17.11% Acquired -17.2% (price as of 2026-08-19)
May 9, 2013 MTEX P 1,169 $7.39 $8,639 1,169 Direct Acquired -12.0% (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.

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
Nov. 20, 2024 MTEX Right to Purchase Common Stock Common Stock, par value $0.0001 per share (1,667) $8.40 Nov. 20, 2034 1,667 Acquired
Nov. 20, 2024 MTEX Right to Purchase Common Stock Common Stock, par value $0.0001 per share (1,167) $8.40 Nov. 20, 2034 1,167 Acquired
Sept. 1, 2021 MTEX Right to Purchase Common Stock Common Stock, par value $0.0001 per share (3,333) $16.93 June 23, 2030 3,333 Disposed
Sept. 1, 2021 MTEX Right to Purchase Common Stock Common Stock, par value $0.0001 per share (5,000) $19.60 Feb. 20, 2024 5,000 Disposed
Dec. 7, 2020 MTEX Right to Purchase Common Stock Common Stock, par value $0.0001 per share (5,000) $14.18 June 8, 2027 5,000 Disposed
Dec. 7, 2020 MTEX Right to Purchase Common Stock Common Stock, par value $0.0001 per share (5,000) $14.68 May 28, 2024 5,000 Disposed
June 29, 2020 MTEX Right to Purchase Common Stock Common Stock, par value $0.0001 per share (13,157) $11.40 June 9, 2021 13,157 Disposed
June 29, 2020 MTEX Right to Purchase Common Stock Common Stock, par value $0.0001 per share (5,000) $5.72 Feb. 23, 2023 5,000 Disposed
June 23, 2020 MTEX Right to Purchase Common Stock [F1] Common Stock, par value $0.0001 per share (5,000) $16.93 June 23, 2030 5,000 Acquired
June 8, 2017 MTEX Right to Purchase Common Stock Common Stock (5,000) $14.18 June 8, 2027 5,000 Acquired
May 28, 2014 MTEX Right to purchase common stock Common stock, par value $0.0001 per share (5,000) $14.68 May 27, 2024 5,000 Acquired
Feb. 20, 2014 MTEX Right to Purchase Common Stock Common Stock, Par Value $0.0001 per share (5,000) $19.60 Feb. 19, 2024 5,000 Acquired
Feb. 21, 2013 MTEX Right to Purchase Common Stock Common Stock, Par Value $0.0001 per share (5,000) $5.72 Feb. 21, 2023 5,000 Acquired
Feb. 21, 2013 MTEX Right to Purchase Common Stock Common Stock, Par Value $0.0001 per share (5,000) $5.72 Feb. 21, 2023 5,000 Acquired
June 9, 2011 MTEX Right to Purchase Common Stock Common Stock, Par Value $0.0001 per share (131,579) $1.14 June 8, 2021 131,579 Acquired
Aug. 16, 2010 MTEX Right to Purchase Common Stock Common Stock, Par Value $0.0001 per share (24,108) $2.46 Aug. 15, 2020 24,108 Acquired
Aug. 13, 2010 MTEX Right to Purchase Common Stock Common Stock, Par Value $0.0001 per share (10,000) $2.50 Nov. 19, 2018 10,000 Disposed
Aug. 13, 2010 MTEX Right to Purchase Common Stock Common Stock, Par Value $0.0001 per share (25,000) $7.46 March 23, 2018 25,000 Disposed
Nov. 20, 2008 MTEX Right to Purchase Common Stock Common Stock, Par Value $0.0001 per share (10,000) $2.50 Nov. 19, 2018 10,000 Acquired

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

Initial ownership (Form 3) 1 holding

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

Date Ticker Security Shares Ownership
March 27, 2008 MTEX Stock Option (Right to Buy)→ Common Stock (25,000) 25,000 Direct