1. Corporate Officers - T
2. Thierer Mark

Insider Trading History of Thierer Mark

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) by Thierer Mark since 2006. The trader's CIK number is 1334925. At the time of the last reporting, Thierer Mark was the President & CEO of Dentsply Sirona Inc.. (stock ticker symbol XRAY). Also see all insider trading activities at Dentsply Sirona Inc..

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

Yearly summary of insider trading at Allscripts Healthcare Solutions, Inc. (MDRX) by Thierer Mark

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2006	MDRX	0	$0	135,416	$2,403,634	22,916	$239,701

Yearly summary of insider trading at Sxc Health Solutions Corp. (SXCI) by Thierer Mark

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2015	SXCI	0	$0	78,114	$3,761,871	106,610	$5,187,635
2014	SXCI	0	$0	352,228	$16,471,694	216,665	$5,257,228
2013	SXCI	0	$0	56,086	$3,070,201	40,022	$2,137,667
2012	SXCI	0	$0	212,554	$16,846,964	201,435	$3,212,306
2011	SXCI	0	$0	192,175	$10,975,515	198,772	$2,573,952
2010	SXCI	0	$0	561,309	$24,987,628	560,104	$6,659,431
2009	SXCI	0	$0	70,000	$1,777,440	70,000	$882,537

Yearly summary of insider trading at Dentsply Sirona Inc. (XRAY) by Thierer Mark

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2017	XRAY	77,000	$5,084,772	0	$0	0	$0

Insider trading activities at 3 companies by Thierer Mark:

1. Allscripts Healthcare Solutions, Inc. (MDRX)

2. Sxc Health Solutions Corp. (SXCI)

3. Dentsply Sirona Inc. (XRAY)

Table 1. Insider trading of Allscripts Healthcare Solutions, Inc. (MDRX) by Thierer Mark

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2006-06-02	MDRX	Option Ex	22,916	10.46	239,701
2006-06-02	MDRX	Sale	135,216	17.75	2,400,084
2006-05-30	MDRX	Sale	200	17.75	3,550

Table 2. Insider trading of Sxc Health Solutions Corp. (SXCI) by Thierer Mark

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2015-03-11	SXCI	Sale	3,214	47.89	153,918
2015-03-09	SXCI	Option Ex	7,622	48.33	368,371
2015-03-10	SXCI	Sale	37,332	47.96	1,790,442
2015-03-09	SXCI	Sale	32,790	48.35	1,585,396
2015-03-06	SXCI	Option Ex	87,903	48.57	4,269,448
2015-03-06	SXCI	Sale	4,778	48.58	232,115
2015-03-05	SXCI	Option Ex	11,085	49.60	549,816
2014-05-20	SXCI	Option Ex	63,984	10.76	688,147
2014-05-20	SXCI	Sale	63,984	43.06	2,755,023
2014-05-13	SXCI	Sale	60,000	43.04	2,582,340
2014-05-14	SXCI	Option Ex	4,620	6.38	29,498
2014-05-14	SXCI	Sale	4,620	43.01	198,683
2014-03-10	SXCI	Option Ex	10,780	45.53	490,813
2014-03-09	SXCI	Option Ex	7,622	44.36	338,111
2014-03-11	SXCI	Sale	4,600	46.53	214,038
2014-03-10	SXCI	Sale	38,921	44.86	1,746,112
2014-03-06	SXCI	Option Ex	16,981	44.62	757,692
2014-03-07	SXCI	Sale	7,425	44.52	330,561
2014-01-13	SXCI	Option Ex	68,166	30.18	2,057,386
2014-01-13	SXCI	Sale	68,166	50.07	3,413,276
2014-01-10	SXCI	Sale	104,512	50.06	5,231,661
2014-01-10	SXCI	Option Ex	44,512	20.12	895,581
2013-06-04	SXCI	Option Ex	12,164	48.26	587,034
2013-06-06	SXCI	Sale	5,355	47.70	255,433
2013-03-09	SXCI	Option Ex	7,622	55.36	421,953
2013-03-10	SXCI	Option Ex	10,780	55.36	596,780
2013-03-12	SXCI	Sale	8,266	53.80	444,669
2013-03-06	SXCI	Option Ex	9,456	56.25	531,900
2013-03-08	SXCI	Sale	42,465	55.81	2,370,099
2012-08-13	SXCI	Sale	67,500	88.05	5,943,577
2012-08-13	SXCI	Option Ex	67,500	7.18	484,650
2012-06-05	SXCI	Option Ex	24,952	12.77	318,637
2012-06-04	SXCI	Option Ex	6,082	87.88	534,486
2012-06-05	SXCI	Sale	24,952	88.84	2,216,735
2012-06-04	SXCI	Sale	2,552	89.40	228,148
2012-03-09	SXCI	Option Ex	3,811	72.82	277,517
2012-03-10	SXCI	Option Ex	5,390	72.82	392,499
2012-03-12	SXCI	Option Ex	16,850	17.96	302,659
2012-03-12	SXCI	Sale	20,806	72.31	1,504,377
2012-03-13	SXCI	Sale	19,894	72.68	1,445,895
2012-03-02	SXCI	Sale	30,349	71.71	2,176,296
2012-03-01	SXCI	Option Ex	46,501	7.18	333,877
2012-03-02	SXCI	Option Ex	30,349	18.71	567,981
2012-03-01	SXCI	Sale	46,501	71.65	3,331,936
2011-06-04	SXCI	Option Ex	6,080	58.05	352,944
2011-06-06	SXCI	Option Ex	24,952	12.77	318,637
2011-06-06	SXCI	Sale	27,577	57.07	1,573,764
2011-05-16	SXCI	Sale	75,000	59.70	4,477,350
2011-05-16	SXCI	Option Ex	75,000	11.79	884,249
2011-04-29	SXCI	Sale	87,350	55.06	4,809,753
2011-04-29	SXCI	Option Ex	87,350	8.54	746,143
2011-03-10	SXCI	Option Ex	5,390	50.46	271,979
2011-03-11	SXCI	Sale	2,248	51.00	114,648
2010-11-18	SXCI	Sale	26,375	38.31	1,010,399
2010-11-17	SXCI	Sale	45,925	37.57	1,725,356
2010-11-18	SXCI	Option Ex	26,375	14.36	378,745
2010-11-17	SXCI	Option Ex	45,925	14.36	659,483
2010-11-16	SXCI	Sale	53,785	37.12	1,996,660
2010-11-15	SXCI	Sale	50,272	38.01	1,910,788
2010-11-16	SXCI	Option Ex	53,785	8.21	441,843
2010-11-15	SXCI	Option Ex	50,272	11.79	592,706
2010-11-12	SXCI	Sale	40,195	37.67	1,513,984
2010-11-12	SXCI	Option Ex	40,195	11.79	473,899
2010-11-10	SXCI	Option Ex	45,400	9.79	444,556
2010-11-09	SXCI	Option Ex	78,304	7.80	610,614
2010-11-11	SXCI	Sale	89,848	37.89	3,404,250
2010-11-09	SXCI	Sale	78,304	38.08	2,981,424
2010-11-11	SXCI	Option Ex	89,848	11.79	1,059,307
2010-11-10	SXCI	Sale	45,400	37.06	1,682,751
2010-06-08	SXCI	Sale	1,205	71.61	86,290
2010-03-23	SXCI	Sale	7,300	66.34	484,274
2010-03-22	SXCI	Sale	122,700	66.76	8,191,452
2010-03-23	SXCI	Option Ex	7,300	15.34	112,011
2010-03-22	SXCI	Option Ex	122,700	15.37	1,886,267
2009-06-15	SXCI	Option Ex	42,658	11.80	503,577
2009-06-16	SXCI	Sale	27,342	25.20	688,936
2009-06-16	SXCI	Option Ex	27,342	13.86	378,960
2009-06-15	SXCI	Sale	42,658	25.52	1,088,504

Table 3. Insider trading of Dentsply Sirona Inc. (XRAY) by Thierer Mark

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2017-11-13	XRAY	Buy	77,000	66.04	5,084,772

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 Thierer Mark (President & CEO of Dentsply Sirona Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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