Insider Trading History of Marshall Keith W

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) of Marshall Keith W since 2020. This trader's CIK number is 1714828. At the time of last reporting, Marshall Keith W was the Chief Financial Officer of Prometheus Biosciences, Inc.. (stock ticker symbol RXDX). Also see all insider trading activities at Prometheus Biosciences, Inc..

Note that in the past Marshall Keith W also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Histogen Inc. (HSTO) by Marshall Keith W

Insider Buying Insider Sales Option Exercises
Year Symbol Shares Value Shares Value Shares Value
2020 HSTO 0 $0 0 $0 38,500 $0

Yearly summary of insider trading at Prometheus Biosciences, Inc. (RXDX) by Marshall Keith W

Insider Buying Insider Sales Option Exercises
Year Symbol Shares Value Shares Value Shares Value
2023 RXDX 0 $0 30,000 $3,497,400 108,162 $353,302


Insider trading activities at 2 companies by Marshall Keith W:

1. Histogen Inc. (HSTO)

2. Prometheus Biosciences, Inc. (RXDX)

Table 1. Insider trading of Histogen Inc. (HSTO) by Marshall Keith W

Trade Date Symbol Trade Type Shares Price ($) Value ($)
2020-05-22 HSTO Option Ex 38,500 .00 0

Table 2. Insider trading of Prometheus Biosciences, Inc. (RXDX) by Marshall Keith W

Trade Date Symbol Trade Type Shares Price ($) Value ($)
2023-06-02 RXDX Option Ex 78,162 3.10 242,302
2023-04-05 RXDX Option Ex 10,000 3.70 37,000
2023-04-05 RXDX Sale 10,000 108.42 1,084,200
2023-03-06 RXDX Option Ex 10,000 3.70 37,000
2023-03-06 RXDX Sale 10,000 122.13 1,221,300
2023-02-15 RXDX Option Ex 5,000 3.70 18,500
2023-02-15 RXDX Sale 5,000 119.38 596,900
2023-01-17 RXDX Option Ex 5,000 3.70 18,500
2023-01-17 RXDX Sale 5,000 119.00 595,000

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 Marshall Keith W (Chief Financial Officer of Prometheus Biosciences, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.



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