Timothy Allen

Insider

First SEC filing: March 22, 2004 · Latest: March 22, 2004

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 12 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

12 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
April 1, 2005	AMT	A	100,000	—	—	100,000 Direct	—	Acquired	(price as of 2026-08-21)
March 18, 2004	AMT	A	25,000	—	—	25,000 Direct	—	Acquired	(price as of 2026-08-21)
March 4, 2004	AMT	A	50,000	—	—	50,000 Direct	—	Acquired	(price as of 2026-08-21)
March 4, 2004	AMT	A	18,500	—	—	18,500 Direct	—	Acquired	(price as of 2026-08-21)
March 2, 2004	AMT	M	8,750	$1.55	$13,562	8,750 Direct	—	Acquired	11298.7% (price as of 2026-08-21)
March 2, 2004	AMT	M	3,150	$3.15	$9,922	11,900 Direct	+36.00%	Acquired	5508.9% (price as of 2026-08-21)
March 2, 2004	AMT	S	11,900	$11.30	$134,470	0 Direct	-100.00%	Disposed	1463.5% (price as of 2026-08-21)
March 2, 2004	AMT	M	8,750	—	—	26,250 Direct	-25.00%	Disposed	(price as of 2026-08-21)
March 2, 2004	AMT	M	3,150	—	—	22,500 Direct	-12.28%	Disposed	(price as of 2026-08-21)
March 1, 2004	AMT	M	2,667	$3.84	$10,241	2,667 Direct	—	Acquired	4501.0% (price as of 2026-08-21)
March 1, 2004	AMT	M	4,350	$3.15	$13,702	7,017 Direct	+163.10%	Acquired	5508.9% (price as of 2026-08-21)
March 1, 2004	AMT	S	7,017	$11.30	$79,292	0 Direct	-100.00%	Disposed	1463.5% (price as of 2026-08-21)
March 1, 2004	AMT	M	2,667	—	—	5,333 Direct	-33.34%	Disposed	(price as of 2026-08-21)
March 1, 2004	AMT	M	4,350	—	—	25,650 Direct	-14.50%	Disposed	(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
April 1, 2005	AMT	Option to Purchase Class A Common Stock	Class A Common Stock (100,000)	$18.15	April 1, 2015	100,000	Acquired
March 18, 2004	AMT	Option to purchase Class A Common Stock	Class A Common Stock (25,000)	$11.30	March 18, 2014	25,000	Acquired
March 4, 2004	AMT	Option to purchase Class A Common Stock	Class A Common Stock (50,000)	$12.11	March 4, 2014	50,000	Acquired
March 4, 2004	AMT	Option to purchase Class A Common Stock	Class A Common Stock (18,500)	$12.11	March 4, 2014	18,500	Acquired
March 2, 2004	AMT	Option to purchase Class A Common Stock	Class A Common Stock (8,750)	$1.55	Nov. 14, 2012	8,750	Disposed
March 2, 2004	AMT	Option to purchase Class A Common Stock	Class A Common Stock (3,150)	$3.15	June 14, 2012	3,150	Disposed
March 1, 2004	AMT	Option to purchase Class A Common Stock	Class A Common Stock (2,667)	$3.84	May 16, 2012	2,667	Disposed
March 1, 2004	AMT	Option to purchase Class A Common Stock	Class A Common Stock (4,350)	$3.15	June 14, 2012	4,350	Disposed

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