1. Corporate Officers - D
2. Dewalt David G

Insider Trading History of Dewalt David G

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) of Dewalt David G since 2006. This trader's CIK number is 1228853. At the time of last reporting, Dewalt David G was the Officer of Five9, Inc.. (stock ticker symbol FIVN). Also see all insider trading activities at Five9, Inc..

Note that in the past DEWALT DAVID G also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Polycom Inc (PLCM) by Dewalt David G

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2013	PLCM	0	$0	0	$0	60,000	$533,250
2012	PLCM	0	$0	120,000	$1,189,200	140,000	$912,600
2011	PLCM	0	$0	0	$0	15,000	$0
2010	PLCM	0	$0	0	$0	10,000	$0
2009	PLCM	0	$0	0	$0	5,000	$0

Yearly summary of insider trading at Forescout Technologies, Inc (FSCT) by Dewalt David G

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2020	FSCT	0	$0	41,559	$1,372,028	0	$0
2019	FSCT	0	$0	183,866	$6,846,367	0	$0
2018	FSCT	0	$0	352,618	$10,032,484	0	$0

Yearly summary of insider trading at Emc Corp (EMC) by Dewalt David G

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2007	EMC	0	$0	500,000	$7,012,500	500,000	$4,035,000
2006	EMC	0	$0	500,000	$7,187,500	500,000	$4,035,000

Yearly summary of insider trading at Mcafee, Inc. (MFE) by Dewalt David G

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2010	MFE	0	$0	202,149	$9,563,269	0	$0

Yearly summary of insider trading at Mandiant, Inc. (FEYE) by Dewalt David G

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2017	FEYE	0	$0	151,644	$1,765,439	0	$0
2015	FEYE	22,500	$514,642	0	$0	0	$0
2014	FEYE	0	$0	485,656	$38,629,078	0	$0

Yearly summary of insider trading at Nightdragon Acquisition Corp. (NDAC) by Dewalt David G

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2021	NDAC	1,035,000	$10,350,000	0	$0	0	$0

Yearly summary of insider trading at Five9, Inc. (FIVN) by Dewalt David G

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2022	FIVN	0	$0	40,000	$4,008,279	227,400	$218,304
2019	FIVN	0	$0	112,000	$5,985,979	38,000	$36,480

Insider trading activities at 7 companies by Dewalt David G:

1. Polycom Inc (PLCM)

2. Forescout Technologies, Inc (FSCT)

3. Emc Corp (EMC)

4. Mcafee, Inc. (MFE)

5. Mandiant, Inc. (FEYE)

6. Nightdragon Acquisition Corp. (NDAC)

7. Five9, Inc. (FIVN)

Table 1. Insider trading of Polycom Inc (PLCM) by Dewalt David G

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2013-05-16	PLCM	Option Ex	5,000	.00	0
2013-05-13	PLCM	Option Ex	50,000	10.66	533,250
2013-02-24	PLCM	Option Ex	5,000	.00	0
2012-11-24	PLCM	Option Ex	5,000	.00	0
2012-10-31	PLCM	Sale	120,000	9.91	1,189,200
2012-10-31	PLCM	Option Ex	120,000	7.61	912,600
2012-08-24	PLCM	Option Ex	5,000	.00	0
2012-05-26	PLCM	Option Ex	5,000	.00	0
2012-02-26	PLCM	Option Ex	5,000	.00	0
2011-11-26	PLCM	Option Ex	5,000	.00	0
2011-08-26	PLCM	Option Ex	5,000	.00	0
2011-05-27	PLCM	Option Ex	2,500	.00	0
2011-02-27	PLCM	Option Ex	2,500	.00	0
2010-11-27	PLCM	Option Ex	2,500	.00	0
2010-08-27	PLCM	Option Ex	2,500	.00	0
2010-05-27	PLCM	Option Ex	2,500	.00	0
2010-02-27	PLCM	Option Ex	2,500	.00	0
2009-11-27	PLCM	Option Ex	2,500	.00	0
2009-08-27	PLCM	Option Ex	2,500	.00	0

Table 2. Insider trading of Forescout Technologies, Inc (FSCT) by Dewalt David G

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2020-02-11	FSCT	Sale	41,559	33.01	1,372,028
2019-11-11	FSCT	Sale	41,559	31.56	1,311,602
2019-08-29	FSCT	Sale	41,559	35.04	1,456,185
2019-03-13	FSCT	Sale	50,374	44.03	2,218,118
2019-02-11	FSCT	Sale	50,374	36.93	1,860,462
2018-11-13	FSCT	Sale	50,374	25.98	1,308,766
2018-08-13	FSCT	Sale	50,374	34.99	1,762,787
2018-03-23	FSCT	Sale	251,870	27.64	6,960,931

Table 3. Insider trading of Emc Corp (EMC) by Dewalt David G

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2007-01-29	EMC	Option Ex	250,000	8.07	2,017,500
2007-01-29	EMC	Sale	250,000	14.02	3,505,000
2007-01-25	EMC	Option Ex	250,000	8.07	2,017,500
2007-01-25	EMC	Sale	250,000	14.03	3,507,500
2006-03-03	EMC	Sale	250,000	14.50	3,625,000
2006-03-03	EMC	Option Ex	250,000	8.07	2,017,500
2006-02-28	EMC	Option Ex	250,000	8.07	2,017,500
2006-02-28	EMC	Sale	250,000	14.25	3,562,500

Table 4. Insider trading of Mcafee, Inc. (MFE) by Dewalt David G

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2010-11-16	MFE	Sale	115,268	47.30	5,452,061
2010-11-11	MFE	Sale	86,881	47.32	4,111,208

Table 5. Insider trading of Mandiant, Inc. (FEYE) by Dewalt David G

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2017-01-03	FEYE	Sale	151,644	11.64	1,765,439
2015-11-06	FEYE	Buy	22,500	22.87	514,642
2014-03-12	FEYE	Sale	485,656	79.54	38,629,078

Table 6. Insider trading of Nightdragon Acquisition Corp. (NDAC) by Dewalt David G

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2021-03-04	NDAC	Buy	1,035,000	10.00	10,350,000

Table 7. Insider trading of Five9, Inc. (FIVN) by Dewalt David G

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2022-03-04	FIVN	Sale	40,000	100.21	4,008,279
2022-01-25	FIVN	Option Ex	227,400	.96	218,304
2019-02-27	FIVN	Sale	74,000	53.66	3,970,839
2019-02-28	FIVN	Sale	38,000	53.03	2,015,140
2019-02-28	FIVN	Option Ex	38,000	.96	36,480

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 Dewalt David G (Officer of Five9, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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