Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 53 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

53 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 18, 2024 MUX S 23,332 $9.76 $227,720 15,551 Direct -60.01% Disposed 81.8% (price as of 2026-10-02)
Nov. 29, 2012 MUX S 15,166 $0.15 $2,275 0 Direct -100.00% Disposed 1082.7% (price as of 2026-10-02)
Nov. 29, 2012 MUX S 18,334 $0.15 $2,750 15,166 Direct -54.73% Disposed 1082.7% (price as of 2026-10-02)
Nov. 29, 2012 MUX S 13,500 · · 33,500 Direct -28.72% Disposed (price as of 2026-10-02)
May 20, 2011 MUX S 59,000 $6.67 $393,530 16,833 Direct -77.80% Disposed -73.4% (price as of 2026-10-02)
May 19, 2011 MUX S 15,000 $6.55 $98,250 30,833 Direct -32.73% Disposed -72.9% (price as of 2026-10-02)
July 9, 2010 MUX S 3,000 $4.90 $14,700 14,166 Direct -17.48% Disposed -63.8% (price as of 2026-10-02)
July 8, 2010 MUX S 7,000 $4.66 $32,620 17,166 Direct -28.97% Disposed -61.9% (price as of 2026-10-02)
May 19, 2009 MUX P 7,500 $2.00 $15,000 7,500 Direct · Acquired -11.3% (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
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
June 29, 2026 MUX Restricted Stock Units Common Stock (630) · · 630 Disposed
June 29, 2026 MUX Restricted Stock Units Common Stock (2,330) · · 2,330 Disposed
June 29, 2026 MUX Restricted Stock Units Common Stock (4,740) · · 4,740 Disposed
June 28, 2026 MUX Restricted Stock Units Common Stock (800) · · 800 Disposed
June 28, 2026 MUX Restricted Stock Units Common Stock (1,866) · · 1,866 Disposed
March 19, 2026 MUX Restricted Stock Units Common Stock (1,890) · · 1,890 Acquired
Dec. 20, 2025 MUX Restricted Stock Units Common Stock (800) · · 800 Disposed
Dec. 20, 2025 MUX Restricted Stock Units Common Stock (1,866) · · 1,866 Disposed
Dec. 20, 2025 MUX Restricted Stock Units Common Stock (2,330) · · 2,330 Disposed
Dec. 20, 2025 MUX Restricted Stock Units Common Stock (4,740) · · 4,740 Disposed
Nov. 10, 2025 MUX Restricted Stock Units Common Stock (6,990) · · 6,990 Acquired
Nov. 10, 2025 MUX Restricted Stock Units Common Stock (800) · · 800 Disposed
Nov. 10, 2025 MUX Restricted Stock Units Common Stock (1,868) · · 1,868 Disposed
Sept. 8, 2025 MUX Restricted Stock Units Common Stock (2,400) · · 2,400 Acquired
Aug. 11, 2025 MUX Restricted Stock Units Common Stock (5,600) · · 5,600 Acquired
Aug. 11, 2025 MUX Stock Option (right to buy) Common Stock (50,000) $10.43 Aug. 11, 2030 50,000 Acquired
June 29, 2025 MUX Restricted Stock Units Common Stock (4,740) · · 4,740 Disposed
June 29, 2025 MUX Restricted Stock Units Common Stock (14,220) · · 14,220 Acquired
Aug. 11, 2014 MUX Stock Option (Right to buy) Common Stock (150,000) $2.90 Aug. 11, 2019 150,000 Acquired
May 21, 2013 MUX Stock Option-Right to Buy Common Stock (150,000) $2.25 May 21, 2018 150,000 Acquired
Nov. 29, 2012 MUX Subscription Rights (Right to Buy) Common Stock (1,516) · Dec. 4, 2012 15,166 Disposed
Nov. 29, 2012 MUX Subscription Rights (Right to Buy) Common Stock (1,833) · Dec. 4, 2012 18,334 Disposed
Nov. 29, 2012 MUX Subscription Rights (Right to Buy) Common Stock (1,350) · Dec. 4, 2012 13,500 Disposed
March 26, 2012 MUX Exchangeable Shares Common Stock (13,500) · · 13,500 Disposed
March 26, 2012 MUX Stock option, right to buy Common Stock (16,667) $0.91 Jan. 7, 2019 16,667 Disposed
Jan. 24, 2012 MUX Stock Option Right to Buy Common Stock (45,000) · May 13, 2015 100,000 Acquired
Jan. 24, 2012 MUX Exchangeable Shares Common Stock (13,500) · · 13,500 Acquired
May 20, 2011 MUX Stock Option (Rt. To buy) Common Stock (45,000) $3.57 March 3, 2018 45,000 Disposed
May 19, 2011 MUX Stock Option (Rt. to buy) Common Stock (15,000) $2.51 Feb. 17, 2020 15,000 Disposed
May 2, 2011 MUX Stock Option (Rt. to buy) Common Stock (16,667) $0.91 Jan. 7, 2019 16,667 Disposed
March 15, 2011 MUX Stock Option Right to Buy Common Stock (100,000) $7.10 March 15, 2021 100,000 Acquired
May 25, 2010 MUX Stock Option (Rt. to Buy) Common Stock (16,666) $0.91 Jan. 7, 2019 16,666 Disposed
Feb. 17, 2010 MUX Stock Option - Right to Buy Common Stock (90,000) $2.51 Feb. 17, 2020 90,000 Acquired
Jan. 7, 2009 MUX Stock Option (Rt. to Buy) Common Stock (50,000) $0.91 Jan. 7, 2019 50,000 Acquired

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

Initial ownership (Form 3) 1 holding

07

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

DateTickerSecuritySharesOwnership
March 11, 2008 MUX Stock Option (Right to Buy)→ Common Stock (150,000) 150,000 Direct

Compensation (DEF 14A)

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

MUX

CFO
Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2024 $243,503 $98,455 · · · · $5,771 $347,730
2023 $222,595 $36,076 $16,887 $168,165 · · · $443,722
2022 $230,743 · · · · · · $230,743

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