1. Corporate Officers - M
2. Moriarty John B

Insider Trading History of Moriarty John B

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) of Moriarty John B since 2015. This trader's CIK number is 1564621. At the time of last reporting, Moriarty John B was the Chief Legal Officer of Avidity Biosciences, Inc.. (stock ticker symbol RNA). Also see all insider trading activities at Avidity Biosciences, Inc..

Note that in the past Moriarty John B also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Avidity Biosciences, Inc. (RNA) by Moriarty John B

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2025	RNA	0	$0	2,245	$81,291	0	$0

Yearly summary of insider trading at Alexion Pharmaceuticals, Inc. (ALXN) by Moriarty John B

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2018	ALXN	0	$0	4,624	$536,963	0	$0
2017	ALXN	0	$0	5,509	$704,886	0	$0
2016	ALXN	0	$0	6,699	$914,625	0	$0
2015	ALXN	0	$0	15,227	$2,901,377	20,000	$1,853,000

Insider trading activities at 2 companies by Moriarty John B:

1. Avidity Biosciences, Inc. (RNA)

2. Alexion Pharmaceuticals, Inc. (ALXN)

Table 1. Insider trading of Avidity Biosciences, Inc. (RNA) by Moriarty John B

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2025-08-04	RNA	Sale	2,245	36.21	81,291

Table 2. Insider trading of Alexion Pharmaceuticals, Inc. (ALXN) by Moriarty John B

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2018-02-08	ALXN	Sale	3,363	115.70	389,099
2018-02-05	ALXN	Sale	1,261	117.26	147,864
2017-03-01	ALXN	Sale	282	132.50	37,365
2017-02-28	ALXN	Sale	910	131.71	119,856
2017-02-27	ALXN	Sale	612	131.20	80,294
2017-02-09	ALXN	Sale	167	126.84	21,182
2017-02-06	ALXN	Sale	3,403	126.03	428,897
2017-02-07	ALXN	Sale	135	128.09	17,292
2016-12-12	ALXN	Sale	1,044	118.61	123,828
2016-08-08	ALXN	Sale	135	137.14	18,513
2016-06-13	ALXN	Sale	918	135.72	124,590
2016-02-08	ALXN	Sale	2,633	138.75	365,328
2016-02-05	ALXN	Sale	1,969	143.41	282,366
2015-12-11	ALXN	Sale	943	184.09	173,601
2015-08-07	ALXN	Sale	135	190.01	25,651
2015-08-05	ALXN	Sale	10,010	198.59	1,987,835
2015-08-05	ALXN	Option Ex	20,000	92.65	1,853,000
2015-06-11	ALXN	Sale	914	170.00	155,380
2015-03-02	ALXN	Sale	280	180.34	50,495
2015-02-10	ALXN	Sale	1,490	171.15	255,013
2015-02-09	ALXN	Sale	1,455	174.16	253,402

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 Moriarty John B (Chief Legal Officer of Avidity Biosciences, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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