Greenhill & Co Inc Iridium Communications Inc. (IRDM) insider trading activity

Greenhill & CO Inc is of Iridium Communications Inc.. Currently has a direct ownership of 1.81 Million shares of IRDM, which is worth approximately $53 Million. The most recent transaction as insider was on Jan 15, 2013, when has been sold 15,000 shares (Common Stock) at a price of $6.83 per share, resulting in proceeds of $102,450. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 1.81M

0% 3M change

0% 12M change

Total Value Held $53 Million

GREENHILL & CO INC Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Jan 15 2013	SELL Open market or private sale	$102,450 $6.83 p/Share	15,000 Reduced 0.51%	2,938,387 Common Stock
Jan 14 2013	SELL Open market or private sale	$102,900 $6.86 p/Share	15,000 Reduced 0.51%	2,953,387 Common Stock
Jan 11 2013	SELL Open market or private sale	$104,700 $6.98 p/Share	15,000 Reduced 0.5%	2,968,387 Common Stock
Jan 10 2013	SELL Open market or private sale	$107,100 $7.14 p/Share	15,000 Reduced 0.5%	2,983,387 Common Stock
Jan 09 2013	SELL Open market or private sale	$105,300 $7.02 p/Share	15,000 Reduced 0.5%	2,998,387 Common Stock
Jan 08 2013	SELL Open market or private sale	$101,250 $6.75 p/Share	15,000 Reduced 0.5%	3,013,387 Common Stock
Jan 07 2013	SELL Open market or private sale	$103,200 $6.88 p/Share	15,000 Reduced 0.49%	3,028,387 Common Stock
Jan 04 2013	SELL Open market or private sale	$103,350 $6.89 p/Share	15,000 Reduced 0.49%	3,043,387 Common Stock
Jan 03 2013	SELL Open market or private sale	$102,750 $6.85 p/Share	15,000 Reduced 0.49%	3,058,387 Common Stock
Jan 02 2013	SELL Open market or private sale	$102,000 $6.8 p/Share	15,000 Reduced 0.49%	3,073,387 Common Stock
Dec 21 2012	SELL Open market or private sale	$85,350 $5.69 p/Share	15,000 Reduced 0.48%	3,088,387 Common Stock
Dec 20 2012	SELL Open market or private sale	$88,350 $5.89 p/Share	15,000 Reduced 0.48%	3,103,387 Common Stock
Dec 19 2012	SELL Open market or private sale	$88,050 $5.87 p/Share	15,000 Reduced 0.48%	3,118,387 Common Stock
Dec 18 2012	SELL Open market or private sale	$87,150 $5.81 p/Share	15,000 Reduced 0.48%	3,133,387 Common Stock
Dec 17 2012	SELL Open market or private sale	$86,400 $5.76 p/Share	15,000 Reduced 0.47%	3,148,387 Common Stock
Dec 14 2012	SELL Open market or private sale	$86,250 $5.75 p/Share	15,000 Reduced 0.47%	3,163,387 Common Stock
Dec 13 2012	SELL Open market or private sale	$88,350 $5.89 p/Share	15,000 Reduced 0.47%	3,178,387 Common Stock
Dec 12 2012	SELL Open market or private sale	$91,200 $6.08 p/Share	15,000 Reduced 0.47%	3,193,387 Common Stock
Dec 11 2012	SELL Open market or private sale	$91,050 $6.07 p/Share	15,000 Reduced 0.47%	3,208,387 Common Stock
Dec 10 2012	SELL Open market or private sale	$90,600 $6.04 p/Share	15,000 Reduced 0.46%	3,223,387 Common Stock
Dec 07 2012	SELL Open market or private sale	$90,150 $6.01 p/Share	15,000 Reduced 0.46%	3,238,387 Common Stock
Dec 06 2012	SELL Open market or private sale	$90,750 $6.05 p/Share	15,000 Reduced 0.46%	3,253,387 Common Stock
Dec 05 2012	SELL Open market or private sale	$93,750 $6.25 p/Share	15,000 Reduced 0.46%	3,268,387 Common Stock
Dec 04 2012	SELL Open market or private sale	$94,350 $6.29 p/Share	15,000 Reduced 0.45%	3,283,387 Common Stock
Dec 03 2012	SELL Open market or private sale	$91,500 $6.1 p/Share	15,000 Reduced 0.45%	3,298,387 Common Stock

G&C

Greenhill & CO Inc

New York, NY

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