Insider Trading activities of Iridium Communications Inc. insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Iridium Communications Inc. since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Iridium Communications Inc. since year 2005. Table 2 shows the detailed insider transactions of Iridium Communications Inc. since 2005. The reporting company's ticker symbol is IRDM. The reporting company's CIK number is 1418819.
The total value of stock buying since 2005 is $34,116,688.
The total value of stock sales since 2005 is $91,188,913.
The total value of stock option exercises since 2005 is $5,666,810.


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Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Iridium Communications Inc. (IRDM).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2018-12 0 $0 3,500 $84,280 3,500 $29,085
2018-11 0 $0 362,776 $7,726,809 488,701 $4,062,522
2018-10 0 $0 17,500 $356,306 17,500 $145,425
2018-09 0 $0 10,500 $211,102 10,500 $87,255
2018-08 0 $0 105,566 $2,070,823 27,761 $209,873
2017-11 45,750 $498,217 0 $0 0 $0
2017-08 0 $0 135,000 $1,418,850 135,000 $1,132,650
2017-03 36,483 $307,700 0 $0 0 $0
2016-12 50,000 $497,499 0 $0 0 $0
2016-09 25,000 $177,200 0 $0 0 $0
2016-03 5,000 $34,750 0 $0 0 $0
2015-08 14,000 $100,240 0 $0 0 $0
2013-08 25,000 $177,800 0 $0 0 $0
2013-06 0 $0 2,271 $16,119 0 $0
2013-05 10,000 $72,300 105,000 $743,775 0 $0
2013-04 0 $0 330,000 $2,153,460 0 $0
2013-03 7,500 $47,602 240,000 $1,520,205 0 $0
2013-02 0 $0 285,000 $1,938,570 0 $0
2013-01 0 $0 315,000 $2,197,620 0 $0
2012-12 0 $0 225,000 $1,343,250 0 $0
2012-11 687,063 $3,949,775 315,000 $1,923,060 0 $0
2012-10 0 $0 315,000 $2,314,920 0 $0
2012-09 0 $0 210,000 $1,596,420 0 $0
2012-08 390,736 $2,788,449 360,000 $2,722,935 0 $0
2012-07 0 $0 435,000 $4,003,669 0 $0
2012-06 0 $0 295,000 $2,555,898 0 $0
2012-05 0 $0 400,000 $3,454,268 0 $0
2012-04 0 $0 385,000 $3,293,554 0 $0
2012-03 0 $0 315,000 $2,758,208 0 $0
2012-02 0 $0 300,000 $2,418,373 0 $0
2012-01 0 $0 300,000 $2,269,665 0 $0
2011-12 471,656 $3,483,445 240,000 $1,778,010 0 $0
2011-11 50,000 $357,000 315,000 $2,176,185 0 $0
2011-10 0 $0 315,000 $1,894,950 0 $0
2011-09 0 $0 150,000 $1,058,500 0 $0
2011-08 10,000 $71,800 13,500 $103,950 0 $0
2011-05 15,000 $128,105 0 $0 0 $0
2011-03 0 $0 4,030,855 $32,851,468 0 $0
2010-12 0 $0 24,900 $233,711 0 $0
2010-11 110,000 $997,810 0 $0 0 $0
2010-08 140,000 $1,275,840 0 $0 0 $0
2010-06 220,000 $1,978,560 0 $0 0 $0
2009-12 100,000 $806,360 0 $0 0 $0
2009-11 140,000 $1,196,306 0 $0 0 $0
2009-09 6,050,336 $10,008,956 0 $0 0 $0
2009-08 248,076 $2,465,729 0 $0 0 $0
2009-06 275,800 $2,695,245 0 $0 0 $0
2008-02 432,500 $0 0 $0 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Iridium Communications Inc. insiders (IRDM)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2018-12-03 Smith S. Scott (Chief Operating Officer) Sale 3,500 24.08 84,280
2018-12-03 Smith S. Scott (Chief Operating Officer) Option Ex 3,500 8.31 29,085
2018-11-26 Smith S. Scott (Chief Operating Officer) Sale 3,500 22.61 79,135
2018-11-26 Smith S. Scott (Chief Operating Officer) Option Ex 3,500 8.31 29,085
2018-11-19 Smith S. Scott (Chief Operating Officer) Sale 3,500 21.51 75,285
2018-11-19 Smith S. Scott (Chief Operating Officer) Option Ex 3,500 8.31 29,085
2018-11-19 Desch Matthew J (Chief Executive Officer) Sale 274,075 21.53 5,900,834
2018-11-19 Desch Matthew J (Chief Executive Officer) Option Ex 400,000 8.73 3,492,000
2018-11-12 Smith S. Scott (Chief Operating Officer) Sale 3,500 20.45 71,575
2018-11-12 Smith S. Scott (Chief Operating Officer) Option Ex 3,500 8.31 29,085
2018-11-06 Smith S. Scott (Chief Operating Officer) Sale 74,701 20.45 1,527,635
2018-11-06 Smith S. Scott (Chief Operating Officer) Option Ex 74,701 6.08 454,182
2018-11-05 Smith S. Scott (Chief Operating Officer) Sale 3,500 20.67 72,345
2018-11-05 Smith S. Scott (Chief Operating Officer) Option Ex 3,500 8.31 29,085
2018-10-29 Smith S. Scott (Chief Operating Officer) Sale 3,500 18.96 66,349
2018-10-29 Smith S. Scott (Chief Operating Officer) Option Ex 3,500 8.31 29,085
2018-10-22 Smith S. Scott (Chief Operating Officer) Sale 3,500 19.74 69,090
2018-10-22 Smith S. Scott (Chief Operating Officer) Option Ex 3,500 8.31 29,085
2018-10-15 Smith S. Scott (Chief Operating Officer) Sale 3,500 19.10 66,850
2018-10-15 Smith S. Scott (Chief Operating Officer) Option Ex 3,500 8.31 29,085
2018-10-08 Smith S. Scott (Chief Operating Officer) Sale 3,500 20.62 72,170
2018-10-08 Smith S. Scott (Chief Operating Officer) Option Ex 3,500 8.31 29,085
2018-10-01 Smith S. Scott (Chief Operating Officer) Sale 3,500 23.39 81,847
2018-10-01 Smith S. Scott (Chief Operating Officer) Option Ex 3,500 8.31 29,085
2018-09-24 Smith S. Scott (Chief Operating Officer) Sale 3,500 19.90 69,650
2018-09-24 Smith S. Scott (Chief Operating Officer) Option Ex 3,500 8.31 29,085
2018-09-17 Smith S. Scott (Chief Operating Officer) Sale 3,500 20.06 70,210
2018-09-17 Smith S. Scott (Chief Operating Officer) Option Ex 3,500 8.31 29,085
2018-09-10 Smith S. Scott (Chief Operating Officer) Sale 3,500 20.36 71,242
2018-09-10 Smith S. Scott (Chief Operating Officer) Option Ex 3,500 8.31 29,085
2018-08-20 Smith S. Scott (Chief Operating Officer) Sale 27,761 20.55 570,488
2018-08-20 Smith S. Scott (Chief Operating Officer) Option Ex 27,761 7.56 209,873
2018-08-07 Scheimreif Scott (EVP-Government Programs) Sale 22,195 19.60 435,022
2018-08-06 Hartin Bryan J. (EVP-Sales and Marketing) Sale 29,655 19.23 570,265
2018-08-06 Canfield Thomas C (Director) Sale 12,500 19.30 241,287
2018-08-03 Hickey Thomas D (Chief Legal Officer, Secretary) Sale 13,455 18.86 253,761
2017-11-09 Krongard A B (Director) Buy 45,750 10.89 498,217
2017-08-30 Smith S. Scott (Chief Operating Officer) Sale 135,000 10.51 1,418,850
2017-08-30 Smith S. Scott (Chief Operating Officer) Option Ex 135,000 8.39 1,132,650
2017-03-10 Krongard A B (Director) Buy 29,000 8.51 246,790
2017-03-06 Canfield Thomas C (Director) Buy 3,000 8.05 24,150
2017-03-03 Canfield Thomas C (Director) Buy 4,483 8.20 36,760
2016-12-16 Krongard A B (Director) Buy 50,000 9.95 497,499
2016-09-09 Desch Matthew J (Chief Executive Officer) Buy 15,000 6.98 104,700
2016-09-07 West Barry (Director) Buy 10,000 7.25 72,500
2016-03-01 Canfield Thomas C (Director) Buy 5,000 6.95 34,750
2015-08-04 Desch Matthew J (Chief Executive Officer) Buy 14,000 7.16 100,240
2013-08-06 Canfield Thomas C (Director) Buy 10,000 7.10 71,000
2013-08-06 Desch Matthew J (Chief Executive Officer) Buy 15,000 7.12 106,800
2013-06-03 Scheimreif Scott (EVP-Government Programs) Sale 178 7.10 1,263
2013-06-03 Hickey Thomas D (Chief Legal Officer, Secretary) Sale 277 7.10 1,966
2013-06-03 Roddy John Michael (EVP, Iridium Satellite LLC) Sale 247 7.10 1,753
2013-06-03 Thoma Donald Lee (EVP, Iridium Satellite LLC) Sale 259 7.10 1,838
2013-06-03 Smith S. Scott (EVP,Satellite Development) Sale 247 7.10 1,753
2013-06-03 Nyren Richard P (VP-Iridium Satellite LLC) Sale 38 7.10 269
2013-06-03 Fitzpatrick Thomas (Chief Financial Officer) Sale 250 7.10 1,775
2013-06-03 Desch Matthew J (Chief Executive Officer) Sale 775 7.10 5,502
2013-05-09 Greenhill & Co Inc (Other) Sale 15,000 7.45 111,810
2013-05-08 Greenhill & Co Inc (Other) Sale 15,000 7.32 109,755
2013-05-07 Canfield Thomas C (Director) Buy 10,000 7.23 72,300
2013-05-07 Greenhill & Co Inc (Other) Sale 15,000 7.23 108,465
2013-05-06 Greenhill & Co Inc (Other) Sale 15,000 7.13 106,980
2013-05-03 Greenhill & Co Inc (Other) Sale 15,000 7.11 106,650
2013-05-02 Greenhill & Co Inc (Other) Sale 15,000 6.87 103,065
2013-05-01 Greenhill & Co Inc (Other) Sale 15,000 6.47 97,050
2013-04-30 Greenhill & Co Inc (Other) Sale 15,000 6.71 100,620
2013-04-29 Greenhill & Co Inc (Other) Sale 15,000 6.69 100,410
2013-04-26 Greenhill & Co Inc (Other) Sale 15,000 6.70 100,530
2013-04-25 Greenhill & Co Inc (Other) Sale 15,000 6.75 101,220
2013-04-24 Greenhill & Co Inc (Other) Sale 15,000 6.73 100,980
2013-04-23 Greenhill & Co Inc (Other) Sale 15,000 6.70 100,455
2013-04-22 Greenhill & Co Inc (Other) Sale 15,000 6.67 100,110
2013-04-19 Greenhill & Co Inc (Other) Sale 15,000 6.68 100,170
2013-04-18 Greenhill & Co Inc (Other) Sale 15,000 6.70 100,440
2013-04-17 Greenhill & Co Inc (Other) Sale 15,000 6.71 100,620
2013-04-16 Greenhill & Co Inc (Other) Sale 15,000 6.66 99,900
2013-04-15 Greenhill & Co Inc (Other) Sale 15,000 6.56 98,460
2013-04-12 Greenhill & Co Inc (Other) Sale 15,000 6.55 98,220
2013-04-11 Greenhill & Co Inc (Other) Sale 15,000 6.36 95,370
2013-04-10 Greenhill & Co Inc (Other) Sale 15,000 6.40 96,045
2013-04-09 Greenhill & Co Inc (Other) Sale 15,000 6.55 98,220
2013-04-08 Greenhill & Co Inc (Other) Sale 15,000 6.53 97,935
2013-04-05 Greenhill & Co Inc (Other) Sale 15,000 6.36 95,460
2013-04-04 Greenhill & Co Inc (Other) Sale 15,000 6.24 93,585
2013-04-03 Greenhill & Co Inc (Other) Sale 15,000 6.26 93,945
2013-04-02 Greenhill & Co Inc (Other) Sale 15,000 6.05 90,690
2013-04-01 Greenhill & Co Inc (Other) Sale 15,000 6.00 90,075
2013-03-22 Greenhill & Co Inc (Other) Sale 15,000 6.58 98,625
2013-03-21 Greenhill & Co Inc (Other) Sale 15,000 6.50 97,455
2013-03-20 Greenhill & Co Inc (Other) Sale 15,000 6.50 97,485
2013-03-19 Greenhill & Co Inc (Other) Sale 15,000 6.54 98,175
2013-03-18 Greenhill & Co Inc (Other) Sale 15,000 6.48 97,185
2013-03-15 Greenhill & Co Inc (Other) Sale 15,000 6.38 95,715
2013-03-14 Greenhill & Co Inc (Other) Sale 15,000 6.30 94,530
2013-03-13 Canfield Thomas C (Director) Buy 7,500 6.35 47,602
2013-03-13 Greenhill & Co Inc (Other) Sale 15,000 6.33 94,950
2013-03-12 Greenhill & Co Inc (Other) Sale 15,000 6.31 94,620
2013-03-11 Greenhill & Co Inc (Other) Sale 15,000 6.28 94,155
2013-03-08 Greenhill & Co Inc (Other) Sale 15,000 6.29 94,425
2013-03-07 Greenhill & Co Inc (Other) Sale 15,000 6.31 94,665
2013-03-06 Greenhill & Co Inc (Other) Sale 15,000 6.25 93,780
2013-03-05 Greenhill & Co Inc (Other) Sale 15,000 6.12 91,755
2013-03-04 Greenhill & Co Inc (Other) Sale 15,000 6.18 92,655
2013-03-01 Greenhill & Co Inc (Other) Sale 15,000 6.00 90,030
2013-02-28 Greenhill & Co Inc (Other) Sale 15,000 6.13 91,905
2013-02-27 Greenhill & Co Inc (Other) Sale 15,000 6.48 97,155
2013-02-26 Greenhill & Co Inc (Other) Sale 15,000 6.52 97,815
2013-02-25 Greenhill & Co Inc (Other) Sale 15,000 6.66 99,930
2013-02-22 Greenhill & Co Inc (Other) Sale 15,000 6.68 100,185
2013-02-21 Greenhill & Co Inc (Other) Sale 15,000 6.71 100,725
2013-02-20 Greenhill & Co Inc (Other) Sale 15,000 6.90 103,545
2013-02-19 Greenhill & Co Inc (Other) Sale 15,000 6.90 103,560
2013-02-15 Greenhill & Co Inc (Other) Sale 15,000 6.88 103,155
2013-02-14 Greenhill & Co Inc (Other) Sale 15,000 6.90 103,440
2013-02-13 Greenhill & Co Inc (Other) Sale 15,000 6.97 104,490
2013-02-12 Greenhill & Co Inc (Other) Sale 15,000 6.89 103,350
2013-02-11 Greenhill & Co Inc (Other) Sale 15,000 6.85 102,705
2013-02-08 Greenhill & Co Inc (Other) Sale 15,000 6.94 104,130
2013-02-07 Greenhill & Co Inc (Other) Sale 15,000 6.98 104,655
2013-02-06 Greenhill & Co Inc (Other) Sale 15,000 6.99 104,910
2013-02-05 Greenhill & Co Inc (Other) Sale 15,000 6.96 104,400
2013-02-04 Greenhill & Co Inc (Other) Sale 15,000 6.93 103,890
2013-02-01 Greenhill & Co Inc (Other) Sale 15,000 6.97 104,625
2013-01-31 Greenhill & Co Inc (Other) Sale 15,000 6.98 104,715
2013-01-30 Greenhill & Co Inc (Other) Sale 15,000 7.01 105,165
2013-01-29 Greenhill & Co Inc (Other) Sale 15,000 7.14 107,160
2013-01-28 Greenhill & Co Inc (Other) Sale 15,000 7.14 107,160
2013-01-25 Greenhill & Co Inc (Other) Sale 15,000 7.11 106,665
2013-01-24 Greenhill & Co Inc (Other) Sale 15,000 7.16 107,355
2013-01-23 Greenhill & Co Inc (Other) Sale 15,000 7.21 108,180
2013-01-22 Greenhill & Co Inc (Other) Sale 15,000 7.12 106,860
2013-01-18 Greenhill & Co Inc (Other) Sale 15,000 7.00 105,000
2013-01-17 Greenhill & Co Inc (Other) Sale 15,000 6.79 101,835
2013-01-16 Greenhill & Co Inc (Other) Sale 15,000 6.84 102,630
2013-01-15 Greenhill & Co Inc (Other) Sale 15,000 6.83 102,405
2013-01-14 Greenhill & Co Inc (Other) Sale 15,000 6.86 102,960
2013-01-11 Greenhill & Co Inc (Other) Sale 15,000 6.98 104,715
2013-01-10 Greenhill & Co Inc (Other) Sale 15,000 7.14 107,160
2013-01-09 Greenhill & Co Inc (Other) Sale 15,000 7.02 105,255
2013-01-08 Greenhill & Co Inc (Other) Sale 15,000 6.75 101,175
2013-01-07 Greenhill & Co Inc (Other) Sale 15,000 6.88 103,140
2013-01-04 Greenhill & Co Inc (Other) Sale 15,000 6.89 103,365
2013-01-03 Greenhill & Co Inc (Other) Sale 15,000 6.85 102,750
2013-01-02 Greenhill & Co Inc (Other) Sale 15,000 6.80 101,970
2012-12-21 Greenhill & Co Inc (Other) Sale 15,000 5.69 85,380
2012-12-20 Greenhill & Co Inc (Other) Sale 15,000 5.89 88,290
2012-12-19 Greenhill & Co Inc (Other) Sale 15,000 5.87 88,035
2012-12-18 Greenhill & Co Inc (Other) Sale 15,000 5.82 87,225
2012-12-17 Greenhill & Co Inc (Other) Sale 15,000 5.76 86,370
2012-12-14 Greenhill & Co Inc (Other) Sale 15,000 5.75 86,250
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Insider trading activities including stock purchases, stock sales, and option exercises of IRDM listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Iridium Communications Inc. (symbol IRDM, CIK number 1418819) see the Securities and Exchange Commission (SEC) website.