Declan J Costelloe

Insider

First SEC filing: Aug. 24, 2005 · Latest: Aug. 24, 2005

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 4 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.

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 15, 2011	MUX	A	40,000	—	—	40,000 Direct	—	Acquired	(price as of 2026-08-21)
Feb. 17, 2010	MUX	A	30,000	—	—	30,000 Direct	—	Acquired	(price as of 2026-08-21)
Jan. 7, 2009	MUX	A	30,000	—	—	30,000 Direct	—	Acquired	(price as of 2026-08-21)
Nov. 14, 2005	MUX	A	100,000	$2.12	$212,000	100,000 Direct	—	Acquired	-2.9% (price as of 2026-08-21)

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.

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
March 15, 2011	MUX	Stock Option Right to Buy	Common Stock (40,000)	$7.10	March 15, 2021	40,000	Acquired
Feb. 17, 2010	MUX	Stock Option - Right to Buy	Common Stock (30,000)	$2.51	Feb. 17, 2020	30,000	Acquired
Jan. 7, 2009	MUX	Stock Option (Rt. to Buy)	Common Stock (30,000)	$0.91	Jan. 7, 2019	30,000	Acquired
Nov. 14, 2005	MUX	Stock Option (Rt to Buy)	Common Stock (100,000)	$2.12	Nov. 14, 2015	100,000	Acquired

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

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

Date	Ticker	Security	Shares	Ownership
Aug. 24, 2005	MUX	Common Stock [F1]	5,000	Direct