Insider at

04

Insider transactions

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0 buys (P) 0 sells (S) Net: $0 + 38 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

38 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Sept. 19, 2025 MUX S 21,000 $14.34 $301,140 26,096 Direct -44.59% Disposed 24.8% (price as of 2026-10-05)
Sept. 19, 2025 MUX S 21,000 $14.34 $301,140 215,096 Direct -8.89% Disposed 24.8% (price as of 2026-10-05)
June 21, 2024 MUX S 17,066 $9.44 $161,103 10,982 Direct -60.85% Disposed 89.6% (price as of 2026-10-05)
Sept. 22, 2017 MUX P 37,500 · · 37,500 Indirect · Acquired (price as of 2026-10-05)
Sept. 22, 2017 MUX P 75,000 · · 75,000 Indirect · Acquired (price as of 2026-10-05)

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
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
June 29, 2026 MUX Restricted Stock Units Common Stock (380) · · 380 Disposed
June 29, 2026 MUX Restricted Stock Units Common Stock (1,470) · · 1,470 Disposed
June 29, 2026 MUX Restricted Stock Units Common Stock (3,370) · · 3,370 Disposed
June 28, 2026 MUX Restricted Stock Units Common Stock (533) · · 533 Disposed
June 28, 2026 MUX Restricted Stock Units Common Stock (1,300) · · 1,300 Disposed
March 19, 2026 MUX Restricted Stock Units Common Stock (1,140) · · 1,140 Acquired
Dec. 20, 2025 MUX Restricted Stock Units Common Stock (533) · · 533 Disposed
Dec. 20, 2025 MUX Restricted Stock Units Common Stock (1,300) · · 1,300 Disposed
Dec. 20, 2025 MUX Restricted Stock Units Common Stock (1,470) · · 1,470 Disposed
Dec. 20, 2025 MUX Restricted Stock Units Common Stock (3,370) · · 3,370 Disposed
Nov. 21, 2025 NTRP Series Q Nonvoting Convertible Preferred Stock Common Stock (13,580) · · 13,580 Acquired
Nov. 10, 2025 MUX Restricted Stock Units Common Stock (4,410) · · 4,410 Acquired
Nov. 10, 2025 MUX Restricted Stock Units Common Stock (534) · · 534 Disposed
Nov. 10, 2025 MUX Restricted Stock Units Common Stock (1,300) · · 1,300 Disposed
Sept. 19, 2025 MUX Stock Option (right to buy) Common Stock (21,000) $1.25 Sept. 28, 2025 21,000 Disposed
Sept. 19, 2025 MUX Stock Option (right to buy) Common Stock (210,000) $1.25 Sept. 28, 2025 210,000 Disposed
Sept. 15, 2025 NTRP Series Q Nonvoting Convertible Preferred Stock Common Stock (13,580) · · 13,580 Acquired
Sept. 8, 2025 MUX Restricted Stock Units Common Stock (1,600) · · 1,600 Acquired
Aug. 11, 2025 MUX Restricted Stock Units Common Stock (3,900) · · 3,900 Acquired
Aug. 11, 2025 MUX Stock Option (right to buy) Common Stock (40,000) $10.43 Aug. 11, 2030 40,000 Acquired
June 29, 2025 MUX Restricted Stock Units Common Stock (3,370) · · 3,370 Disposed
June 29, 2025 MUX Restricted Stock Units Common Stock (10,110) · · 10,110 Acquired
Sept. 29, 2020 MUX Stock Option (right to buy) Common Stock (210,000) $1.25 Sept. 28, 2025 210,000 Acquired
June 11, 2019 MUX Stock Option (right to buy) Common Stock (45,000) $1.67 June 10, 2024 45,000 Acquired
May 24, 2019 MUX Warrant - right to purchase Common Stock (25,000) $2.00 March 26, 2022 25,000 Acquired
Sept. 22, 2017 MUX Common Stock Purchase Warrant (Right to Buy) Common Stock (37,500) $2.70 Sept. 28, 2018 37,500 Acquired
April 26, 2017 MUX Stock Option (right to buy) Common Stock (1,344) · Nov. 26, 2020 24,000 Acquired
Nov. 27, 2015 MUX Stock Option (Right to Buy) Common Stock (30,000) $1.02 Nov. 26, 2020 30,000 Acquired

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

Initial ownership (Form 3) 1 holding

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

DateTickerSecuritySharesOwnership
Nov. 12, 2025 NTRP Common Stock 0 Direct

Compensation (DEF 14A)

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

MUX

General Counsel
Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2024 $96,294 $75,706 · · · · $64,219 $236,219
2023 $89,106 $12,552 $14,715 $67,266 · · $258,071 $441,709
2022 · · · · · · · ·

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