Entegris
Insider trading & Transactions

Last updated: 8 Apr 2004

Transaction	Date	Insider	Security	Shares	Price per share	Total value
Option	8 Apr 2004	BERNARDS JAMES A director director	Common Stock	30,000	$4.22	$126,600
Sale	5 Apr 2004	VILLAS JOHN D other: Former Employee of Entegris other: Former Employee of Enteg..	Stock Option (Right to Buy)	8,019	N/A	N/A
Sale	2 Apr 2004	VILLAS JOHN D other: Former Employee of Entegris other: Former Employee of Enteg..	Stock Option (Right to Buy)	1,981	$3.15	$6,240
Sale	18 Feb 2004	WCB HOLDINGS LLC 10 percent owner 10 percent owner	Common Stock	100,000	$12	$1,200,000
Sale	17 Feb 2004	WCB HOLDINGS LLC 10 percent owner 10 percent owner	Common Stock	300,000	$11.69	$3,507,000
Sale	17 Feb 2004	GEYER STAN other: Former Chairman of the Board other: Former Chairman of the B..	Common Stock	5,000	$11.68	$58,390
Sale	20 Jan 2004	BERNARDS JAMES A director director	Common Stock	5,000	$14.5	$72,500
Sale	16 Jan 2004	VILLAS JOHN D other: Former Employee of Entegris other: Former Employee of Enteg..	Stock Option (Right to Buy)	15,000	$1.58	$23,625
Sale	9 Jan 2004	WCB HOLDINGS LLC 10 percent owner 10 percent owner	Common Stock	100,000	$14.13	$1,413,000
Sale	12 Dec 2003	VILLAS JOHN D other: Former Employee of Entegris other: Former Employee of Enteg..	Stock Option (Right to Buy)	5,000	$3.15	$15,750
Sale	5 Dec 2003	VILLAS JOHN D other: Former Employee of Entegris other: Former Employee of Enteg..	Stock Option (Right to Buy)	5,000	$3.15	$15,750
Sale	1 Dec 2003	QUERNEMOEN DANIEL R director director	Common Stock	12,000	$12.9	$154,800
Sale	20 Nov 2003	WCB HOLDINGS LLC 10 percent owner 10 percent owner	Common Stock	70,000	$12.23	$856,100
Sale	19 Nov 2003	WCB HOLDINGS LLC 10 percent owner 10 percent owner	Common Stock	19,800	$12.67	$250,866
Sale	18 Nov 2003	WCB HOLDINGS LLC 10 percent owner 10 percent owner	Common Stock	147,800	$12.35	$1,825,330
Sale	17 Nov 2003	WCB HOLDINGS LLC 10 percent owner 10 percent owner	Common Stock	162,400	$12.36	$2,007,264
Sale	7 Nov 2003	VILLAS JOHN D other: Former Employee of Entegris other: Former Employee of Enteg..	Call Option (Obligation to Sell)	50	N/A	N/A
Sale	7 Nov 2003	VILLAS JOHN D other: Former Employee of Entegris other: Former Employee of Enteg..	Stock Option (Right to Buy)	10,000	$3.15	$31,500
Purchase	7 Nov 2003	GEYER STAN other: Former Chairman of the Board other: Former Chairman of the B..	Put Option (Right to Sell)	164,108	N/A	N/A
Purchase	7 Nov 2003	DAUWALTER JAMES E director director	Put Option (Right to Sell)	493,323	N/A	N/A
Purchase	6 Nov 2003	DAUWALTER JAMES E director director	Put Option (Right to Sell)	37,500	N/A	N/A
Purchase	6 Nov 2003	GEYER STAN other: Former Chairman of the Board other: Former Chairman of the B..	Put Option (Right to Sell)	12,500	N/A	N/A
Purchase	5 Nov 2003	DAUWALTER JAMES E director director	Put Option (Right to Sell)	412,500	$24.22	$9,990,750
Purchase	5 Nov 2003	GEYER STAN other: Former Chairman of the Board other: Former Chairman of the B..	Put Option (Right to Sell)	137,500	$24.22	$3,330,250
Sale	3 Nov 2003	DAUWALTER JAMES E director director	Common Stock	50,000	$13.47	$673,700
Sale	3 Nov 2003	QUERNEMOEN DANIEL R director director	Common Stock	12,000	$13.45	$161,400
Sale	3 Nov 2003	GEYER STAN other: Former Chairman of the Board other: Former Chairman of the B..	Common Stock	18,000	$13.47	$242,406
Sale	3 Nov 2003	VILLAS JOHN D other: Former Employee of Entegris other: Former Employee of Enteg..	Call Options (Obligation to Sell)	100	$15	$1,500
Sale	27 Oct 2003	WRIGHT MICHAEL WILLIAM officer: Chief Operating Officer officer: Chief Operating Officer	Stock Option (Right to Buy)	15,000	$4.22	$63,300
Sale	27 Oct 2003	GRAVES GREGORY B officer: EVP & CFO officer: EVP & CFO	Stock Option (Right to Buy)	7,000	$1.7	$11,928
Sale	10 Oct 2003	GEYER STAN other: Former Chairman of the Board other: Former Chairman of the B..	Common Stock	7,000	$12.88	$90,139
Sale	10 Oct 2003	VILLAS JOHN D other: Former Employee of Entegris other: Former Employee of Enteg..	Stock Option (Right to Buy)	5,000	$3.15	$15,750
Sale	9 Oct 2003	VILLAS JOHN D other: Former Employee of Entegris other: Former Employee of Enteg..	Stock Option (Right to Buy)	1,600	$1.26	$2,016
Sale	8 Oct 2003	GRAVES GREGORY B officer: EVP & CFO officer: EVP & CFO	Stock Option (Right to Buy)	8,600	N/A	N/A
Sale	8 Oct 2003	VILLAS JOHN D other: Former Employee of Entegris other: Former Employee of Enteg..	Stock Option (Right to Buy)	11,230	$3.15	$35,375
Sale	7 Oct 2003	GRAVES GREGORY B officer: EVP & CFO officer: EVP & CFO	Stock Option (Right to Buy)	400	$8.52	$3,408
Sale	1 Oct 2003	GEYER STAN other: Former Chairman of the Board other: Former Chairman of the B..	Common Stock	18,000	$11.24	$202,320
Sale	1 Oct 2003	DAUWALTER JAMES E director director	Common Stock	50,000	$11.34	$566,950
Sale	1 Oct 2003	QUERNEMOEN DANIEL R director director	Common Stock	12,000	$11.2	$134,400
Sale	9 Sep 2003	WRIGHT MICHAEL WILLIAM officer: Chief Operating Officer officer: Chief Operating Officer	Stock Option (Right to Buy)	6,000	$7.53	$45,180
Sale	5 Sep 2003	DAUWALTER JAMES E director director	Common Stock	30,000	$14.88	$446,250
Sale	2 Sep 2003	GEYER STAN other: Former Chairman of the Board other: Former Chairman of the B..	Common Stock	18,000	$15	$270,000
Sale	2 Sep 2003	QUERNEMOEN DANIEL R director director	Common Stock	12,000	$14.75	$177,000
Sale	2 Sep 2003	DAUWALTER JAMES E director director	Common Stock	20,000	$15.08	$301,600
Sale	22 Aug 2003	WRIGHT MICHAEL WILLIAM officer: Chief Operating Officer officer: Chief Operating Officer	Stock Option (Right to Buy)	1,500	$7.53	$11,295
Sale	19 Aug 2003	WCB HOLDINGS LLC 10 percent owner 10 percent owner	Common Stock	100,000	$14	$1,400,000
Sale	18 Aug 2003	WCB HOLDINGS LLC 10 percent owner 10 percent owner	Common Stock	300,000	$13.09	$3,927,000
Sale	15 Aug 2003	WCB HOLDINGS LLC 10 percent owner 10 percent owner	Common Stock	100,000	$13.28	$1,328,000
Sale	11 Aug 2003	DAUWALTER JAMES E director director	Common Stock	25,000	$13.01	$325,325
Sale	8 Aug 2003	DAUWALTER JAMES E director director	Common Stock	5,000	$13.01	$65,050

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Insider trading

Monitoring trades made by the management members or major shareholders of companies may help create a sharper picture of what is happening inside the companies. Base your decisions on buys or sells of the people involved and do the right thing at the right time.

Who is insider?

Every director or senior officer, as well as any other entity or individual owning more than 10% of the company’s shares on the stock market, is called an insider. Such people or entities are allowed to buy/sell the company's shares under strictly controlled conditions. Key premise here is that none of them can make trades based on non-public information about the company.

Entegris Insider trading & Transactions

Insider trading

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Entegris
Insider trading & Transactions