1. Corporate Officers - M
2. Mauro David J

Insider Trading History of Mauro David J

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) of Mauro David J since 2015. This trader's CIK number is 1621172. At the time of last reporting, Mauro David J was the Chief Medical Officer of Prelude Therapeutics Inc. (stock ticker symbol PRLD). Also see all insider trading activities at Prelude Therapeutics Inc.

Note that in the past Mauro David J also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Prelude Therapeutics Inc (PRLD) by Mauro David J

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2021	PRLD	0	$0	165,000	$5,628,133	165,000	$311,849

Yearly summary of insider trading at Advaxis, Inc. (ADXS) by Mauro David J

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2015	ADXS	0	$0	24,586	$247,826	0	$0

Insider trading activities at 2 companies by Mauro David J:

1. Prelude Therapeutics Inc (PRLD)

2. Advaxis, Inc. (ADXS)

Table 1. Insider trading of Prelude Therapeutics Inc (PRLD) by Mauro David J

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2021-10-05	PRLD	Sale	15,000	31.21	468,120
2021-10-05	PRLD	Option Ex	15,000	1.89	28,350
2021-09-07	PRLD	Option Ex	15,000	1.89	28,350
2021-09-07	PRLD	Sale	15,000	36.87	553,110
2021-08-05	PRLD	Sale	15,000	31.43	471,510
2021-08-05	PRLD	Option Ex	15,000	1.89	28,350
2021-07-06	PRLD	Option Ex	15,000	1.89	28,350
2021-07-06	PRLD	Sale	15,000	28.05	420,720
2021-06-07	PRLD	Option Ex	15,000	1.89	28,350
2021-06-07	PRLD	Sale	15,000	31.57	473,535
2021-05-05	PRLD	Sale	15,000	40.24	603,600
2021-05-05	PRLD	Option Ex	15,000	1.89	28,350
2021-04-27	PRLD	Option Ex	25,000	1.89	47,250
2021-04-27	PRLD	Sale	25,000	35.48	887,100
2021-04-19	PRLD	Option Ex	25,000	1.89	47,250
2021-04-19	PRLD	Sale	25,000	31.05	776,150
2021-04-08	PRLD	Option Ex	9,617	1.89	18,176
2021-04-08	PRLD	Sale	9,617	38.35	368,860
2021-04-07	PRLD	Option Ex	15,383	1.89	29,073
2021-04-07	PRLD	Sale	15,383	39.36	605,428

Table 2. Insider trading of Advaxis, Inc. (ADXS) by Mauro David J

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2015-10-20	ADXS	Sale	24,586	10.08	247,826

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 Mauro David J (Chief Medical Officer of Prelude Therapeutics Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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