Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 36 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.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 29, 2026 MUX M 1,480 · · 2,960 Direct -33.33% Disposed (price as of 2026-10-02)
June 29, 2026 MUX M 5,700 · · 5,700 Direct -50.00% Disposed (price as of 2026-10-02)
June 29, 2026 MUX M 11,740 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
June 29, 2026 MUX M 1,480 · · 171,086 Direct +0.87% Acquired (price as of 2026-10-02)
June 29, 2026 MUX M 5,700 · · 169,606 Direct +3.48% Acquired (price as of 2026-10-02)
June 29, 2026 MUX M 11,740 · · 163,906 Direct +7.72% Acquired (price as of 2026-10-02)
June 28, 2026 MUX M 866 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
June 28, 2026 MUX M 2,100 · · 0 Direct -100.00% Disposed (price as of 2026-10-02)
June 28, 2026 MUX M 866 · · 152,166 Direct +0.57% Acquired (price as of 2026-10-02)
June 28, 2026 MUX M 2,100 · · 151,300 Direct +1.41% Acquired (price as of 2026-10-02)
March 19, 2026 MUX A 479 · · 479 Direct · Acquired (price as of 2026-10-02)
March 19, 2026 MUX A 4,440 · · 4,440 Direct · Acquired (price as of 2026-10-02)
Dec. 20, 2025 MUX M 867 · · 867 Direct -50.00% Disposed (price as of 2026-10-02)
Dec. 20, 2025 MUX M 2,100 · · 2,100 Direct -50.00% Disposed (price as of 2026-10-02)
Dec. 20, 2025 MUX M 5,700 · · 11,400 Direct -33.33% Disposed (price as of 2026-10-02)
Dec. 20, 2025 MUX M 11,740 · · 11,740 Direct -50.00% Disposed (price as of 2026-10-02)
Dec. 20, 2025 MUX M 867 · · 149,200 Direct +0.58% Acquired (price as of 2026-10-02)
Dec. 20, 2025 MUX M 2,100 · · 148,333 Direct +1.44% Acquired (price as of 2026-10-02)
Dec. 20, 2025 MUX M 5,700 · · 146,233 Direct +4.06% Acquired (price as of 2026-10-02)
Dec. 20, 2025 MUX M 11,740 · · 140,533 Direct +9.12% Acquired (price as of 2026-10-02)
Nov. 10, 2025 MUX M 2,100 · · 127,926 Direct +1.67% Acquired (price as of 2026-10-02)
Nov. 10, 2025 MUX A 17,100 · · 17,100 Direct · Acquired (price as of 2026-10-02)
Nov. 10, 2025 MUX M 867 · · 1,733 Direct -33.35% Disposed (price as of 2026-10-02)
Nov. 10, 2025 MUX M 2,100 · · 4,200 Direct -33.33% Disposed (price as of 2026-10-02)
Nov. 10, 2025 MUX M 867 · · 128,793 Direct +0.68% Acquired (price as of 2026-10-02)
Sept. 8, 2025 MUX A 2,600 · · 2,600 Direct · Acquired (price as of 2026-10-02)
Aug. 11, 2025 MUX A 6,300 · · 6,300 Direct · Acquired (price as of 2026-10-02)
Aug. 11, 2025 MUX A 80,000 · · 80,000 Direct · Acquired (price as of 2026-10-02)
June 29, 2025 MUX M 11,740 · · 23,480 Direct -33.33% Disposed (price as of 2026-10-02)
June 29, 2025 MUX A 35,220 · · 35,220 Direct · Acquired (price as of 2026-10-02)
June 29, 2025 MUX M 11,740 · · 125,826 Direct +10.29% Acquired (price as of 2026-10-02)
June 29, 2025 MUX A 2,948 · · 114,086 Direct +2.65% Acquired (price as of 2026-10-02)
June 29, 2025 MUX A 13,905 $7.53 $104,705 111,138 Direct +14.30% Acquired 135.6% (price as of 2026-10-02)
Dec. 27, 2024 MUX A 38,028 $7.92 $301,182 97,233 Direct +64.23% Acquired 124.0% (price as of 2026-10-02)
June 14, 2024 MUX A 38,028 $10.36 $393,970 59,205 Direct +179.57% Acquired 71.2% (price as of 2026-10-02)
Nov. 3, 2021 MUX A 100,000 · · 100,000 Direct · Acquired (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 (1,480) · · 1,480 Disposed
June 29, 2026 MUX Restricted Stock Units Common Stock (5,700) · · 5,700 Disposed
June 29, 2026 MUX Restricted Stock Units Common Stock (11,740) · · 11,740 Disposed
June 28, 2026 MUX Restricted Stock Units Common Stock (866) · · 866 Disposed
June 28, 2026 MUX Restricted Stock Units Common Stock (2,100) · · 2,100 Disposed
March 19, 2026 MUX Deferred Stock Units Common Stock (479) · · 479 Acquired
March 19, 2026 MUX Restricted Stock Units Common Stock (4,440) · · 4,440 Acquired
Dec. 20, 2025 MUX Restricted Stock Units Common Stock (867) · · 867 Disposed
Dec. 20, 2025 MUX Restricted Stock Units Common Stock (2,100) · · 2,100 Disposed
Dec. 20, 2025 MUX Restricted Stock Units Common Stock (5,700) · · 5,700 Disposed
Dec. 20, 2025 MUX Restricted Stock Units Common Stock (11,740) · · 11,740 Disposed
Nov. 10, 2025 MUX Restricted Stock Units Common Stock (17,100) · · 17,100 Acquired
Nov. 10, 2025 MUX Restricted Stock Units Common Stock (867) · · 867 Disposed
Nov. 10, 2025 MUX Restricted Stock Units Common Stock (2,100) · · 2,100 Disposed
Sept. 8, 2025 MUX Restricted Stock Units Common Stock (2,600) · · 2,600 Acquired
Aug. 11, 2025 MUX Restricted Stock Units Common Stock (6,300) · · 6,300 Acquired
Aug. 11, 2025 MUX Stock Option (right to buy) Common Stock (80,000) $10.43 Aug. 11, 2030 80,000 Acquired
June 29, 2025 MUX Restricted Stock Units Common Stock (11,740) · · 11,740 Disposed
June 29, 2025 MUX Restricted Stock Units Common Stock (35,220) · · 35,220 Acquired
Nov. 3, 2021 MUX Stock Option (right to buy) Common Stock (100,000) $1.31 Nov. 3, 2026 100,000 Acquired

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

Compensation (DEF 14A)

08

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

MUX

COO
Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2024 $321,929 $122,292 · · · · $146 $444,367
2023 $289,420 $13,852 · $201,798 · · · $539,231
2022 $287,140 · · · · · · $287,140

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