Insider Trading activities of Masimo Corp insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Masimo Corp since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Masimo Corp since year 2005. Table 2 shows the detailed insider transactions of Masimo Corp since 2005. The reporting company's ticker symbol is MASI. The reporting company's CIK number is 937556.
The total value of stock buying since 2005 is $3,253,687.
The total value of stock sales since 2005 is $453,919,045.
The total value of stock option exercises since 2005 is $69,308,953.


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Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Masimo Corp (MASI).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2018-09 0 $0 238,734 $29,217,049 236,734 $6,270,895
2018-08 0 $0 305,821 $35,421,564 303,821 $7,346,425
2018-07 0 $0 2,000 $200,000 0 $0
2018-06 0 $0 2,000 $200,416 0 $0
2018-05 0 $0 69,500 $6,610,500 75,415 $3,047,430
2018-04 0 $0 37,900 $3,407,678 33,900 $1,123,792
2018-03 0 $0 29,403 $2,573,012 29,403 $732,445
2018-02 0 $0 12,000 $1,115,669 38,000 $300,600
2018-01 0 $0 12,000 $1,061,648 10,000 $300,599
2017-12 0 $0 19,124 $1,697,426 19,124 $521,128
2017-11 0 $0 30,876 $2,768,853 30,876 $869,471
2017-08 0 $0 11,000 $959,750 0 $0
2017-07 0 $0 101,000 $9,484,352 101,000 $2,826,640
2017-06 0 $0 14,000 $1,288,798 14,000 $282,660
2017-05 0 $0 106,000 $10,822,924 106,000 $3,210,820
2017-04 0 $0 348,000 $34,466,774 354,498 $11,419,628
2017-03 0 $0 87,111 $8,203,550 81,111 $2,248,654
2017-02 0 $0 436,000 $34,912,802 148,389 $3,912,458
2017-01 0 $0 83,945 $5,917,350 100,642 $2,376,840
2016-12 0 $0 94,642 $5,731,955 39,440 $1,084,587
2016-11 0 $0 261,068 $16,115,035 19,655 $315,314
2016-10 0 $0 176,462 $10,368,581 217,462 $3,305,725
2016-09 0 $0 108,883 $6,527,840 104,883 $1,884,876
2016-08 0 $0 36,000 $2,064,256 32,000 $900,146
2016-07 0 $0 25,000 $1,345,155 15,000 $408,750
2016-06 0 $0 309,000 $15,484,145 9,000 $235,955
2016-05 0 $0 60,000 $2,954,800 60,000 $935,880
2016-04 0 $0 14,000 $624,800 14,000 $335,360
2016-03 0 $0 136,000 $5,396,800 40,000 $426,680
2016-02 0 $0 40,000 $1,524,440 40,000 $426,680
2015-12 0 $0 42,000 $1,723,784 42,000 $546,000
2015-11 0 $0 57,000 $2,399,100 57,000 $735,975
2015-10 0 $0 2,000 $78,578 2,000 $24,000
2015-09 0 $0 12,000 $511,380 12,000 $278,600
2015-08 0 $0 124,668 $5,417,987 114,668 $2,018,487
2015-07 0 $0 357,084 $14,510,227 57,084 $765,524
2015-06 0 $0 52,000 $1,928,038 62,000 $304,020
2015-05 0 $0 7,000 $248,263 2,000 $24,000
2015-04 0 $0 2,000 $69,140 35,940 $137,020
2015-03 0 $0 24,500 $800,145 14,500 $65,625
2015-02 0 $0 25,170 $745,756 32,170 $151,206
2015-01 0 $0 2,000 $52,860 98,000 $288,000
2014-12 0 $0 5,000 $134,250 5,000 $16,650
2014-07 0 $0 0 $0 20,000 $240,000
2014-05 0 $0 0 $0 45,000 $123,750
2013-05 0 $0 59,400 $1,302,404 59,400 $163,350
2012-12 0 $0 46,000 $928,740 60,000 $303,750
2012-09 0 $0 10,000 $250,000 10,000 $46,670
2012-07 0 $0 0 $0 12,000 $33,000
2012-06 51,000 $941,683 0 $0 0 $0
2011-11 42,404 $773,171 0 $0 0 $0
2011-10 64,596 $1,307,293 0 $0 21 $0
2011-07 0 $0 9,000 $275,733 9,000 $24,750
2011-06 0 $0 26,476 $814,825 30,000 $719,100
2011-05 0 $0 39,000 $1,365,000 39,000 $548,970
2011-04 0 $0 59,919 $1,980,742 0 $0
2011-03 0 $0 252,380 $8,339,765 10,000 $46,670
2011-01 0 $0 0 $0 12,000 $33,000
2010-12 0 $0 20,000 $633,100 20,000 $240,000
2010-11 0 $0 123,400 $3,849,216 0 $0
2010-03 0 $0 30,000 $798,720 114,800 $918,104
2010-02 0 $0 0 $0 130,000 $1,894,670
2009-11 0 $0 40,000 $1,054,200 0 $0
2009-05 10,000 $231,540 0 $0 0 $0
2008-12 0 $0 391,570 $10,743,349 0 $0
2008-11 0 $0 261,300 $7,519,136 30,000 $99,900
2008-09 0 $0 121,420 $4,925,655 0 $0
2008-08 0 $0 813,045 $32,219,488 170,000 $1,049,920
2008-07 0 $0 71,531 $2,653,510 30,000 $337,779
2008-06 0 $0 50,000 $1,681,800 0 $0
2008-05 0 $0 782,657 $26,339,701 0 $0
2008-03 0 $0 1,387,540 $44,931,129 0 $0
2008-02 0 $0 447,500 $14,225,402 7,500 $80,025

Table 2. Detailed insider stock purchases, sales, and option exercises of Masimo Corp insiders (MASI)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2018-09-17 Kiani Joe E (CEO and Chairman of the Board) Sale 176 124.00 21,824
2018-09-17 Kiani Joe E (CEO and Chairman of the Board) Option Ex 176 27.25 4,796
2018-09-14 Kiani Joe E (CEO and Chairman of the Board) Sale 200,379 123.21 24,687,895
2018-09-14 Kiani Joe E (CEO and Chairman of the Board) Option Ex 200,379 27.25 5,460,327
2018-09-11 Fitch Sanford Sale 10,000 118.29 1,182,940
2018-09-11 Fitch Sanford Option Ex 10,000 21.97 219,700
2018-09-06 Muhsin Bilal (EVP, ENG, MKTG & REG) Sale 20,000 117.75 2,355,040
2018-09-06 Muhsin Bilal (EVP, ENG, MKTG & REG) Option Ex 20,000 21.89 437,900
2018-09-04 Kiani Joe E (CEO and Chairman of the Board) Sale 6,179 118.22 730,450
2018-09-04 Kiani Joe E (CEO and Chairman of the Board) Option Ex 6,179 23.98 148,172
2018-09-04 Fitch Sanford Sale 2,000 119.45 238,900
2018-08-31 Kiani Joe E (CEO and Chairman of the Board) Sale 126,927 117.84 14,957,712
2018-08-31 Kiani Joe E (CEO and Chairman of the Board) Option Ex 126,927 23.98 3,043,709
2018-08-30 Kiani Joe E (CEO and Chairman of the Board) Sale 106,820 118.05 12,610,528
2018-08-30 Kiani Joe E (CEO and Chairman of the Board) Option Ex 106,820 23.98 2,561,543
2018-08-09 Barker Steven Sale 10,000 110.00 1,100,000
2018-08-09 Barker Steven Option Ex 10,000 30.06 300,600
2018-08-06 Kiani Joe E (CEO and Chairman of the Board) Sale 30,801 109.03 3,358,109
2018-08-06 Kiani Joe E (CEO and Chairman of the Board) Option Ex 30,801 23.98 738,607
2018-08-02 Kiani Joe E (CEO and Chairman of the Board) Sale 29,273 109.08 3,193,215
2018-08-02 Kiani Joe E (CEO and Chairman of the Board) Option Ex 29,273 23.98 701,966
2018-08-01 Fitch Sanford Sale 2,000 101.00 202,000
2018-07-06 Fitch Sanford Sale 2,000 100.00 200,000
2018-06-01 Fitch Sanford Sale 2,000 100.21 200,416
2018-05-31 Mikkelson Adam Option Ex 1,583 99.05 156,796
2018-05-31 Harkin Thomas Option Ex 1,583 99.05 156,796
2018-05-31 Barker Steven Option Ex 1,583 99.05 156,796
2018-05-31 Fitch Sanford Option Ex 1,583 99.05 156,796
2018-05-31 Reynolds Craig B Option Ex 1,583 99.05 156,796
2018-05-30 Van Ramshorst David J (Chief Accounting Officer) Sale 3,000 100.00 300,000
2018-05-30 Van Ramshorst David J (Chief Accounting Officer) Option Ex 3,000 29.33 87,990
2018-05-30 Barker Steven Sale 10,000 100.00 1,000,000
2018-05-30 Barker Steven Option Ex 10,000 27.25 272,500
2018-05-04 Van Ramshorst David J (Chief Accounting Officer) Sale 3,000 97.50 292,500
2018-05-04 Van Ramshorst David J (Chief Accounting Officer) Option Ex 3,000 29.90 89,700
2018-05-03 Van Ramshorst David J (Chief Accounting Officer) Sale 1,500 95.00 142,500
2018-05-03 Van Ramshorst David J (Chief Accounting Officer) Option Ex 1,500 37.84 56,760
2018-05-03 Coleman Jon (Pres-WW Sales,Pro Svc,Med Affs) Sale 50,000 93.75 4,687,500
2018-05-03 Coleman Jon (Pres-WW Sales,Pro Svc,Med Affs) Option Ex 50,000 35.13 1,756,500
2018-05-03 Fitch Sanford Sale 2,000 94.00 188,000
2018-04-30 Fitch Sanford Sale 2,000 90.37 180,734
2018-04-27 Lee Yongsam (EVP & CIO) Sale 2,825 90.76 256,397
2018-04-27 Lee Yongsam (EVP & CIO) Option Ex 2,825 30.06 84,919
2018-04-26 Lee Yongsam (EVP & CIO) Sale 2,975 90.41 268,954
2018-04-26 Lee Yongsam (EVP & CIO) Option Ex 2,975 30.06 89,428
2018-04-24 Lee Yongsam (EVP & CIO) Sale 2,900 90.17 261,484
2018-04-24 Lee Yongsam (EVP & CIO) Option Ex 2,900 30.06 87,174
2018-04-23 Coleman Jon (Pres-WW Sales,Pro Svc,Med Affs) Sale 24,000 90.00 2,160,000
2018-04-23 Coleman Jon (Pres-WW Sales,Pro Svc,Med Affs) Option Ex 24,000 34.42 826,199
2018-04-23 Lee Yongsam (EVP & CIO) Sale 1,200 90.05 108,061
2018-04-23 Lee Yongsam (EVP & CIO) Option Ex 1,200 30.06 36,072
2018-04-02 Fitch Sanford Sale 2,000 86.02 172,048
2018-03-29 Coleman Jon (Pres-WW Sales,Pro Svc,Med Affs) Sale 29,303 87.50 2,564,012
2018-03-29 Coleman Jon (Pres-WW Sales,Pro Svc,Med Affs) Option Ex 29,303 24.89 729,439
2018-03-13 Lee Yongsam (EVP & CIO) Sale 100 90.00 9,000
2018-03-13 Lee Yongsam (EVP & CIO) Option Ex 100 30.06 3,006
2018-02-27 Mcclenahan Thomas Samuel (EVP & GENERAL COUNSEL) Option Ex 2,000 .00 0
2018-02-27 Coleman Jon (Pres-WW Sales,Pro Svc,Med Affs) Option Ex 2,000 .00 0
2018-02-27 Sampath Anand (Chief Operating Officer) Option Ex 2,000 .00 0
2018-02-27 Lee Yongsam (EVP & CIO) Option Ex 2,000 .00 0
2018-02-27 Kiani Joe E (CEO and Chairman of the Board) Option Ex 20,000 .00 0
2018-02-01 Lee Yongsam (EVP & CIO) Sale 10,000 92.95 929,539
2018-02-01 Lee Yongsam (EVP & CIO) Option Ex 10,000 30.06 300,600
2018-02-01 Fitch Sanford Sale 2,000 93.06 186,130
2018-01-25 Fitch Sanford Sale 2,000 90.00 180,000
2018-01-05 Lee Yongsam (EVP & CIO) Sale 3,982 88.72 353,298
2018-01-05 Lee Yongsam (EVP & CIO) Option Ex 3,982 30.06 119,698
2018-01-04 Lee Yongsam (EVP & CIO) Sale 6,018 87.80 528,350
2018-01-04 Lee Yongsam (EVP & CIO) Option Ex 6,018 30.06 180,901
2017-12-05 Lee Yongsam (EVP & CIO) Sale 2,726 88.48 241,204
2017-12-05 Lee Yongsam (EVP & CIO) Option Ex 2,726 27.25 74,283
2017-12-04 Lee Yongsam (EVP & CIO) Sale 10,498 89.08 935,193
2017-12-04 Lee Yongsam (EVP & CIO) Option Ex 10,498 27.25 286,070
2017-12-01 Lee Yongsam (EVP & CIO) Sale 5,900 88.31 521,029
2017-12-01 Lee Yongsam (EVP & CIO) Option Ex 5,900 27.25 160,775
2017-11-30 Lee Yongsam (EVP & CIO) Sale 1,800 89.23 160,615
2017-11-30 Lee Yongsam (EVP & CIO) Option Ex 1,800 27.25 49,050
2017-11-10 Lee Yongsam (EVP & CIO) Sale 100 89.04 8,904
2017-11-10 Lee Yongsam (EVP & CIO) Option Ex 100 27.25 2,725
2017-11-09 Lee Yongsam (EVP & CIO) Sale 8,100 89.31 723,419
2017-11-09 Lee Yongsam (EVP & CIO) Option Ex 8,100 27.25 220,725
2017-11-08 Lee Yongsam (EVP & CIO) Sale 5,876 89.59 526,460
2017-11-08 Lee Yongsam (EVP & CIO) Option Ex 5,876 29.02 170,521
2017-11-01 Barker Steven Sale 10,000 90.00 900,000
2017-11-01 Barker Steven Option Ex 10,000 27.25 272,500
2017-11-01 Lee Yongsam (EVP & CIO) Sale 5,000 89.89 449,455
2017-11-01 Lee Yongsam (EVP & CIO) Option Ex 5,000 30.79 153,950
2017-08-17 Fitch Sanford Sale 11,000 87.25 959,750
2017-07-20 Coleman Jon (Pres-WW Sales,Pro Svc,Med Affs) Sale 25,000 97.50 2,437,500
2017-07-20 Coleman Jon (Pres-WW Sales,Pro Svc,Med Affs) Option Ex 25,000 40.20 1,005,000
2017-07-14 Fishel Rick (Pres, WW OEM Business...) Sale 15,000 94.85 1,422,750
2017-07-14 Fishel Rick (Pres, WW OEM Business...) Option Ex 15,000 20.19 302,850
2017-07-13 Fitch Sanford Sale 6,000 91.89 551,352
2017-07-13 Fitch Sanford Option Ex 6,000 20.19 121,140
2017-07-11 Sampath Anand (Chief Operating Officer) Sale 40,000 92.00 3,680,000
2017-07-11 Sampath Anand (Chief Operating Officer) Option Ex 40,000 27.37 1,094,800
2017-07-11 Fishel Rick (Pres, WW OEM Business...) Sale 15,000 92.85 1,392,750
2017-07-11 Fishel Rick (Pres, WW OEM Business...) Option Ex 15,000 20.19 302,850
2017-06-29 Fitch Sanford Sale 7,000 91.53 640,731
2017-06-29 Fitch Sanford Option Ex 7,000 20.19 141,330
2017-06-27 Fitch Sanford Sale 7,000 92.58 648,067
2017-06-27 Fitch Sanford Option Ex 7,000 20.19 141,330
2017-05-30 De Raad Mark (EVP & Chief Financial Officer) Sale 6,000 87.15 522,924
2017-05-30 De Raad Mark (EVP & Chief Financial Officer) Option Ex 6,000 21.97 131,820
2017-05-01 Kiani Joe E (CEO and Chairman of the Board) Sale 100,000 103.00 10,300,000
2017-05-01 Kiani Joe E (CEO and Chairman of the Board) Option Ex 100,000 30.79 3,079,000
2017-04-28 Mcclenahan Thomas Samuel (EVP & GENERAL COUNSEL) Sale 8,000 102.75 822,000
2017-04-28 Mcclenahan Thomas Samuel (EVP & GENERAL COUNSEL) Option Ex 8,000 29.52 236,160
2017-04-27 Kiani Joe E (CEO and Chairman of the Board) Sale 45,841 101.00 4,629,941
2017-04-27 Kiani Joe E (CEO and Chairman of the Board) Option Ex 45,841 30.79 1,411,444
2017-04-26 Kiani Joe E (CEO and Chairman of the Board) Sale 40,958 101.00 4,136,758
2017-04-26 Kiani Joe E (CEO and Chairman of the Board) Option Ex 40,958 30.79 1,261,096
2017-04-25 Coleman Jon (Pres-WW Sales,Pro Svc,Med Affs) Sale 50,000 100.00 5,000,000
2017-04-25 Coleman Jon (Pres-WW Sales,Pro Svc,Med Affs) Option Ex 50,000 40.20 2,010,000
2017-04-25 Barker Steven Sale 10,000 100.00 1,000,000
2017-04-25 Barker Steven Option Ex 10,000 23.98 239,800
2017-04-25 Lee Yongsam (EVP & CIO) Sale 10,000 100.00 1,000,000
2017-04-25 Lee Yongsam (EVP & CIO) Option Ex 10,000 30.79 307,900
2017-04-25 Kiani Joe E (CEO and Chairman of the Board) Sale 13,201 101.00 1,333,301
2017-04-25 Kiani Joe E (CEO and Chairman of the Board) Option Ex 13,201 30.79 406,458
2017-04-24 Mcclenahan Thomas Samuel (EVP & GENERAL COUNSEL) Sale 10,000 98.75 987,500
2017-04-24 Mcclenahan Thomas Samuel (EVP & GENERAL COUNSEL) Option Ex 10,000 28.03 280,300
2017-04-24 Kiani Joe E (CEO and Chairman of the Board) Sale 100,000 99.00 9,900,000
2017-04-24 Kiani Joe E (CEO and Chairman of the Board) Option Ex 100,000 30.79 3,079,000
2017-04-20 Mcclenahan Thomas Samuel (EVP & GENERAL COUNSEL) Sale 10,000 95.75 957,500
2017-04-20 Mcclenahan Thomas Samuel (EVP & GENERAL COUNSEL) Option Ex 10,000 23.88 238,750
2017-04-20 Barker Steven Option Ex 3,249 97.39 316,420
2017-04-20 Fitch Sanford Option Ex 3,249 97.39 316,420
2017-04-19 Barker Steven Sale 10,000 95.00 950,000
2017-04-19 Barker Steven Option Ex 10,000 23.98 239,800
2017-04-19 Lee Yongsam (EVP & CIO) Sale 10,000 95.00 950,000
2017-04-19 Lee Yongsam (EVP & CIO) Option Ex 10,000 30.79 307,900
2017-04-04 De Raad Mark (EVP & Chief Financial Officer) Sale 18,000 93.33 1,680,030
2017-04-04 De Raad Mark (EVP & Chief Financial Officer) Option Ex 18,000 28.03 504,540
2017-04-03 De Raad Mark (EVP & Chief Financial Officer) Sale 12,000 93.31 1,119,744
2017-04-03 De Raad Mark (EVP & Chief Financial Officer) Option Ex 12,000 21.97 263,640
2017-03-31 De Raad Mark (EVP & Chief Financial Officer) Sale 18,000 93.13 1,676,412
2017-03-31 De Raad Mark (EVP & Chief Financial Officer) Option Ex 18,000 34.42 619,650
2017-03-22 Fitch Sanford Sale 3,000 93.23 279,678
2017-03-15 Fitch Sanford Sale 3,000 95.76 287,274
2017-03-10 Jansen Paul (EVP, Bus Dev) Sale 12,000 94.98 1,139,760
2017-03-10 Jansen Paul (EVP, Bus Dev) Option Ex 12,000 19.90 238,799
2017-03-09 Van Ramshorst David J (Chief Accounting Officer) Sale 7,500 94.20 706,470
2017-03-09 Van Ramshorst David J (Chief Accounting Officer) Option Ex 7,500 31.60 237,000
2017-03-08 Jansen Paul (EVP, Bus Dev) Sale 43,611 94.33 4,113,956
2017-03-08 Jansen Paul (EVP, Bus Dev) Option Ex 43,611 26.44 1,153,205
2017-02-23 De Raad Mark (EVP & Chief Financial Officer) Sale 9,703 87.50 849,012
2017-02-23 De Raad Mark (EVP & Chief Financial Officer) Option Ex 15,703 21.08 331,019
2017-02-22 De Raad Mark (EVP & Chief Financial Officer) Sale 5,297 87.50 463,487
2017-02-22 De Raad Mark (EVP & Chief Financial Officer) Option Ex 5,297 20.19 106,946
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Insider trading activities including stock purchases, stock sales, and option exercises of MASI listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Masimo Corp (symbol MASI, CIK number 937556) see the Securities and Exchange Commission (SEC) website.