1. Corporate Officers - S
2. Sacks Natalie

Insider Trading History of Sacks Natalie

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) by Sacks Natalie since 2017. The trader's CIK number is 1683811. At the time of the last reporting, Sacks Natalie was the Chief Medical Officer of Harpoon Therapeutics, Inc.. (stock ticker symbol HARP). Also see all insider trading activities at Harpoon Therapeutics, Inc..

Note that in the past Sacks Natalie also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Aduro Biotech, Inc. (ADRO) by Sacks Natalie

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2018	ADRO	0	$0	7,532	$51,778	0	$0
2017	ADRO	0	$0	4,885	$57,198	0	$0

Yearly summary of insider trading at Harpoon Therapeutics, Inc. (HARP) by Sacks Natalie

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2020	HARP	0	$0	36,736	$494,231	36,736	$77,876
2019	HARP	0	$0	55,575	$776,508	55,575	$117,817

Insider trading activities at 2 companies by Sacks Natalie:

1. Aduro Biotech, Inc. (ADRO)

2. Harpoon Therapeutics, Inc. (HARP)

Table 1. Insider trading of Aduro Biotech, Inc. (ADRO) by Sacks Natalie

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2018-09-13	ADRO	Sale	3,028	6.50	19,678
2018-09-04	ADRO	Sale	4,504	7.13	32,100
2017-09-01	ADRO	Sale	4,885	11.71	57,198

Table 2. Insider trading of Harpoon Therapeutics, Inc. (HARP) by Sacks Natalie

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2020-05-18	HARP	Option Ex	1,522	2.12	3,226
2020-05-18	HARP	Sale	1,522	14.77	22,478
2020-05-01	HARP	Sale	5,826	12.07	70,302
2020-05-01	HARP	Option Ex	5,826	2.12	12,351
2020-04-17	HARP	Option Ex	1,021	2.12	2,164
2020-04-16	HARP	Option Ex	500	2.12	1,060
2020-04-17	HARP	Sale	1,021	12.08	12,330
2020-04-16	HARP	Sale	500	12.00	6,000
2020-04-13	HARP	Option Ex	4,556	2.12	9,658
2020-04-13	HARP	Sale	4,556	12.06	54,959
2020-04-07	HARP	Sale	570	12.00	6,840
2020-04-06	HARP	Sale	700	12.00	8,400
2020-04-07	HARP	Option Ex	570	2.12	1,208
2020-04-06	HARP	Option Ex	700	2.12	1,484
2020-03-16	HARP	Option Ex	1	2.12	2
2020-03-17	HARP	Option Ex	1,520	2.12	3,222
2020-03-16	HARP	Sale	1	12.00	12
2020-03-17	HARP	Sale	1,520	12.00	18,240
2020-03-02	HARP	Option Ex	5,826	2.12	12,351
2020-03-02	HARP	Sale	5,826	14.68	85,525
2020-02-18	HARP	Option Ex	1,521	2.12	3,224
2020-02-18	HARP	Sale	1,521	15.00	22,815
2020-02-03	HARP	Option Ex	5,826	2.12	12,351
2020-02-03	HARP	Sale	5,826	13.90	81,004
2020-01-16	HARP	Option Ex	1,521	2.12	3,224
2020-01-16	HARP	Sale	1,521	14.94	22,725
2020-01-02	HARP	Option Ex	5,826	2.12	12,351
2020-01-02	HARP	Sale	5,826	14.18	82,601
2019-12-16	HARP	Option Ex	1,521	2.12	3,224
2019-12-16	HARP	Sale	1,521	17.02	25,887
2019-12-02	HARP	Option Ex	5,826	2.12	12,351
2019-12-02	HARP	Sale	5,826	17.98	104,751
2019-11-18	HARP	Sale	18,252	13.66	249,413
2019-11-18	HARP	Option Ex	18,252	2.12	38,694
2019-11-01	HARP	Sale	5,826	13.16	76,699
2019-11-01	HARP	Option Ex	5,826	2.12	12,351
2019-10-15	HARP	Sale	11,698	13.21	154,483
2019-10-14	HARP	Sale	12,452	13.27	165,275
2019-10-15	HARP	Option Ex	11,698	2.12	24,799
2019-10-14	HARP	Option Ex	12,452	2.12	26,398

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 Sacks Natalie (Chief Medical Officer of Harpoon Therapeutics, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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