Stephan Michael Spears

CIK 1443450 · View on SEC EDGAR ↗

Insider

First SEC filing: June 10, 2019 · Latest: June 24, 2024

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Insider transactions

0 buys (P) 1 sells (S) Net: $-180,810 + 31 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

31 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Sept. 19, 2025 MUX S 12,600 $14.35 $180,810 3,814 Direct -76.76% Disposed 37.6% (price as of 2026-08-19)
June 18, 2024 MUX S 2,503 $9.80 $24,529 751 Direct -76.92% Disposed 101.5% (price as of 2026-08-19)
Feb. 24, 2011 MUX P 12,000 $6.50 $78,000 22,000 Direct +120.00% Acquired -69.6% (price as of 2026-08-19)
May 7, 2010 MUX S 40,000 $3.51 $140,400 10,000 Direct -80.00% Disposed -43.7% (price as of 2026-08-19)
Jan. 5, 2010 MUX P 10,000 — — 10,000 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.

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
June 28, 2026 MUX Restricted Stock Units Common Stock (500) — — 500 Disposed
June 28, 2026 MUX Restricted Stock Units Common Stock (1,200) — — 1,200 Disposed
Dec. 20, 2025 MUX Restricted Stock Units Common Stock (500) — — 500 Disposed
Dec. 20, 2025 MUX Restricted Stock Units Common Stock (1,200) — — 1,200 Disposed
Nov. 10, 2025 MUX Restricted Stock Units Common Stock (500) — — 500 Disposed
Nov. 10, 2025 MUX Restricted Stock Units Common Stock (1,200) — — 1,200 Disposed
Sept. 19, 2025 MUX Stock Option (right to buy) Common Stock (12,600) $1.25 Sept. 28, 2025 12,600 Disposed
Sept. 8, 2025 MUX Restricted Stock Units Common Stock (1,500) — — 1,500 Acquired
Aug. 11, 2025 MUX Restricted Stock Units Common Stock (3,600) — — 3,600 Acquired
Aug. 11, 2025 MUX Stock Option (right to buy) Common Stock (40,000) $10.43 Aug. 11, 2030 40,000 Acquired
June 11, 2019 MUX Stock Option (right to buy) Common Stock (80,000) $1.67 June 10, 2024 80,000 Acquired
March 28, 2012 MUX Exchangeable Shares Common Stock (29,250) — — 29,250 Disposed
Jan. 24, 2012 MUX Exchangeable Shares Common Stock (29,250) — — 29,250 Acquired
June 6, 2011 MUX Stock Option Right to Buy Common Stock (10,000) $1.69 Aug. 6, 2018 10,000 Disposed
June 6, 2011 MUX Stock Option Right to Buy Common Stock (10,000) $0.91 Jan. 7, 2019 10,000 Disposed
March 15, 2011 MUX Stock Option Right to Buy Common Stock (93,000) $7.10 March 15, 2021 93,000 Acquired
May 7, 2010 MUX Stock Option (Rt. to Buy) Common Stock (10,000) $0.91 Jan. 7, 2019 10,000 Disposed
May 7, 2010 MUX Stock Option (Rt. To Buy) Common Stock (30,000) $1.69 Aug. 6, 2018 30,000 Disposed
Feb. 17, 2010 MUX Stock Option - Right to Buy Common Stock (75,000) $2.51 Feb. 17, 2020 75,000 Acquired
Jan. 7, 2009 MUX Stock Option (Rt. to Buy) Common Stock (30,000) $0.91 Jan. 7, 2019 30,000 Acquired

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

Initial ownership (Form 3) 6 holdings

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

Date Ticker Security Shares Ownership
June 10, 2019 MUX Common Stock 10,000 Direct
June 10, 2019 MUX Options (right to buy)→ Common Stock (75,000) 75,000 Direct
June 10, 2019 MUX Warrants (right to purchase)→ Common Stock (5,000) 5,000 Direct
Aug. 21, 2008 MUX Stock Option (right to buy)→ Common stock (24,000) 24,000 Direct
Aug. 21, 2008 MUX Stock Option (right to buy)→ Common stock (15,000) 15,000 Direct
Aug. 21, 2008 MUX Stock Option (right to buy)→ Common stock (150,000) 150,000 Direct