Alberto Osorio

Insider

First SEC filing: June 30, 2010 · Latest: June 30, 2010

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Insider at

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

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Oct. 2, 2019	MXF	P	2,000	$12.89	$25,780	86,417 Direct	+2.37%	Acquired	64.5% (price as of 2026-08-20)
Oct. 2, 2019	MXF	P	5,000	$12.93	$64,650	84,417 Indirect	+6.30%	Acquired	64.0% (price as of 2026-08-20)
April 2, 2019	MXF	P	3,500	$14.00	$49,000	76,526 Indirect	+4.79%	Acquired	51.4% (price as of 2026-08-20)
Dec. 6, 2018	MXF	P	7,500	$12.65	$94,875	71,922 Indirect	+11.64%	Acquired	67.6% (price as of 2026-08-20)
Oct. 30, 2018	MXF	P	8,000	$13.66	$109,280	64,422 Indirect	+14.18%	Acquired	55.2% (price as of 2026-08-20)
Sept. 28, 2018	MXF	P	7,000	$16.29	$114,030	55,519 Indirect	+14.43%	Acquired	30.1% (price as of 2026-08-20)
March 31, 2014	MXF	P	45,000	—	—	45,000 Indirect	—	Acquired	(price as of 2026-08-20)
April 4, 2008	MXF	P	800	$35.55	$28,440	2,000 Direct	+66.67%	Acquired	-40.4% (price as of 2026-08-20)
April 4, 2008	MXF	P	600	$35.54	$21,324	1,200 Direct	+100.00%	Acquired	-40.3% (price as of 2026-08-20)
April 4, 2008	MXF	P	500	$35.53	$17,765	600 Direct	+500.00%	Acquired	-40.3% (price as of 2026-08-20)
April 4, 2008	MXF	P	100	$35.52	$3,552	100 Direct	—	Acquired	-40.3% (price as of 2026-08-20)

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.

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

Date	Ticker	Security	Shares	Ownership
June 30, 2010	MXF	Common Stock	2,000	Direct