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Insider Trading: MASIMO CORP

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of MASIMO CORP in the last 24 months are illustrated in figures 1 and 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 $0. The total value of stock sales is $88,631,214. The total value of stock exercises is $417,826.


1 year stock price chart,   1 day stock price chart
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Figure 1. Monthly insider transaction values at MASIMO CORP (MASI) in the past 24 months. The trade values of insider stock buys, sales, and option exercises are in logarithmic scale as shown on the right axis labels. The detailed monthly and daily insider transactions are listed in the 2 tables below.

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • $44,931k

    $4,493k

    $449k

    $44k

  • Buy
  • Sale
  • Option Exercise

Figure 2. Average prices of insider buys, sales, and option exercises at MASIMO CORP (MASI) in the past 24 months. See table 2 for insider transaction details.

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2007

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • 08

  • 09

  • 10

  • 11

  • 12

  • 01 2008

  • 02

  • 03

  • 04

  • 05

  • 06

  • 07

  • $36.74

    $27.55

    $18.37

    $9.18



Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for MASIMO CORP (MASI).
Trading Period
year-month  
Insider Buying     
Shares               Value ($)
Insider Sales     
Shares               Value ($)
Option Exercises     
Shares               Value ($)
2008-07 0 0 40,000 1,453,070 30,000 337,801
2008-06 0 0 50,000 1,681,815 0 0
2008-05 0 0 782,657 26,339,714 0 0
2008-03 0 0 1,387,540 44,931,185 0 0
2008-02 0 0 447,500 14,225,430 7,500 80,025

Table 2. Detailed insider stock purchases, sales, and option exercises for MASIMO CORP (MASI)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2008-07-10 Fishel Rick (President of Masimo Americas) Sale 10,000 37.56 375,620
2008-07-10 De Raad Mark (EVP & Chief Financial Officer) Sale 10,000 37.56 375,640
2008-07-10 De Raad Mark (EVP & Chief Financial Officer) Option Exercise 10,000 10.67 106,667
2008-07-09 Barker Steven (Director) Sale 20,000 35.09 701,810
2008-07-09 Barker Steven (Director) Option Exercise 20,000 11.56 231,134
2008-06-16 Lee Yongsam (EVP, Operations & CIO) Sale 50,000 33.64 1,681,815
2008-05-19 Lasersohn Jack W Sale 147,757 32.67 4,827,221
2008-05-15 Kiani Joe E (CEO and Chairman of the Board) Sale 100,000 34.70 3,470,000
2008-05-14 Al-ali Ammar (Chief Technical Officer) Sale 100,000 35.02 3,501,500
2008-05-14 Berthon Olivier (President, Masimo Europe) Sale 20,000 35.00 700,000
2008-05-14 Fishel Rick (President of Masimo Americas) Sale 10,000 35.02 350,156
2008-05-14 Kiani Joe E (CEO and Chairman of the Board) Sale 100,000 34.51 3,451,000
2008-05-14 Lasersohn Jack W Sale 147,300 34.49 5,080,377
2008-05-07 Berthon Olivier (President, Masimo Europe) Sale 5,000 31.71 158,544
2008-05-07 Lasersohn Jack W Sale 147,600 31.50 4,649,400
2008-05-06 Berthon Olivier (President, Masimo Europe) Sale 3,400 30.30 103,036
2008-05-02 Berthon Olivier (President, Masimo Europe) Sale 1,600 30.30 48,480
2008-03-10 Lasersohn Jack W Sale 65,000 31.80 2,067,000
2008-03-06 Lasersohn Jack W Sale 66,292 32.85 2,177,692
2008-03-06 Cahill Edward L (Director) Sale 850,000 32.32 27,810,000
2008-03-05 Lasersohn Jack W Sale 81,250 32.00 2,600,000
2008-03-04 Lasersohn Jack W Sale 165,000 31.66 5,223,900
2008-03-03 Kilpatrick Christopher (EVP, Business Dev., GC & Sec.) Sale 59,998 31.21 1,872,593
2008-02-29 Lasersohn Jack W Sale 250,000 32.40 8,100,000
2008-02-27 Kilpatrick Christopher (EVP, Business Dev., GC & Sec.) Sale 20,000 33.02 660,436
2008-02-25 Lee Yongsam (EVP, Operations & CIO) Sale 50,000 32.18 1,609,000
2008-02-11 Kilpatrick Christopher (EVP, Business Dev., GC & Sec.) Sale 10,000 30.80 307,962
2008-02-05 Elmandjra Mohamed (Pres., Worldwide OEM Business) Sale 7,500 30.85 231,387
2008-02-05 Elmandjra Mohamed (Pres., Worldwide OEM Business) Option Exercise 7,500 10.67 80,025
2008-02-04 Kilpatrick Christopher (EVP, Business Dev., GC & Sec.) Sale 10,000 30.66 306,645
2008-02-04 Lee Yongsam (EVP, Operations & CIO) Sale 100,000 30.10 3,010,000

Insider trading activities including stock purchases, stock sales, and option exercises 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.

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