Insider Trading History of Black Ronald D

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) by Black Ronald D since 2016. The trader's CIK number is 1222711. At the time of the last reporting, Black Ronald D was the Officer of Energy Focus, Inc/de. (stock ticker symbol EFOI). Also see all insider trading activities at Energy Focus, Inc/de.

Note that in the past BLACK RONALD D also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Rambus Inc (RMBS) by Black Ronald D

Insider Buying Insider Sales Option Exercises
Year Symbol Shares Value Shares Value Shares Value
2017 RMBS 0 $0 12,750 $154,823 0 $0
2016 RMBS 0 $0 29,528 $399,041 0 $0

Yearly summary of insider trading at Energy Focus, Inc/de (EFOI) by Black Ronald D

Insider Buying Insider Sales Option Exercises
Year Symbol Shares Value Shares Value Shares Value
2018 EFOI 0 $0 0 $0 18,443 $0
2017 EFOI 0 $0 0 $0 11,484 $0
2016 EFOI 0 $0 0 $0 2,500 $0


Insider trading activities at 2 companies by Black Ronald D:

1. Rambus Inc (RMBS)

2. Energy Focus, Inc/de (EFOI)

Table 1. Insider trading of Rambus Inc (RMBS) by Black Ronald D

Trade Date Symbol Trade Type Shares Price ($) Value ($)
2017-06-08 RMBS Sale 12,750 12.14 154,823
2016-07-21 RMBS Sale 29,528 13.51 399,041

Table 2. Insider trading of Energy Focus, Inc/de (EFOI) by Black Ronald D

Trade Date Symbol Trade Type Shares Price ($) Value ($)
2018-06-20 EFOI Option Ex 18,443 .00 0
2017-06-15 EFOI Option Ex 11,484 .00 0
2016-06-01 EFOI Option Ex 2,500 .00 0

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Black Ronald D (Officer of Energy Focus, Inc/de at the time of this reporting) see the Securities and Exchange Commission (SEC) website.



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