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Filing Details

Accession Number:: 0001019361-10-000018
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2010-11-08 19:37:24
Reporting Period:: 2010-11-08

Filing Date:: 2010-11-08
Accepted Time:: 2010-11-08 19:37:24
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1019361	Rofin Sinar Technologies Inc	RSTI	Miscellaneous Electrical Machinery, Equipment & Supplies (3690)	383306461

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1354694	Ingrid Mittelstaedt	Berzeliusstrabe 83 Hamburg 2M 22113	Chief Financial Officer	No	Yes	No	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock - Rofin-Sinar Technologies Inc.	Acquisiton	2010-11-08	2,000	$4.90	2,000	No	4	P	Direct
Common Stock - Rofin-Sinar Technologies Inc.	Acquisiton	2010-11-08	4,000	$16.36	6,000	No	4	P	Direct
Common Stock - Rofin-Sinar Technologies Inc.	Acquisiton	2010-11-08	6,000	$17.11	12,000	No	4	P	Direct
Common Stock - Rofin-Sinar Technologies Inc.	Acquisiton	2010-11-08	5,000	$15.04	17,000	No	4	P	Direct
Common Stock - Rofin-Sinar Technologies Inc.	Disposition	2010-11-08	7,000	$29.26	10,000	No	4	S	Direct
Common Stock - Rofin-Sinar Technologies Inc.	Disposition	2010-11-08	10,000	$29.49	0	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	P	Direct
No	4	S	Direct
No	4	S	Direct

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Rsti Common Stock	Employee Stock Option Right to Buy	Acquisiton	2010-11-08	2,000	$4.90	2,000	$4.90
Rsti Common Stock	Employee Stock Option Right to Buy	Acquisiton	2010-11-08	4,000	$16.36	4,000	$16.36
Rsti Common Stock	Employee Stock Option Right to Buy	Acquisiton	2010-11-08	6,000	$17.11	6,000	$17.11
Rsti Common Stock	Employee Stock Option Right to Buy	Acquisiton	2010-11-08	0	$26.05	0	$26.05
Rsti Common Stock	Employee Stock Option Right to Buy	Acquisiton	2010-11-08	0	$28.50	0	$28.50
Rsti Common Stock	Employee Stock Option Right to Buy	Acquisiton	2010-11-08	0	$40.20	0	$40.20
Rsti Common Stock	Employee Stock Option Right to Buy	Acquisiton	2010-11-08	5,000	$15.04	5,000	$15.04
Rsti Common Stock	Employee Stock Option Right to Buy	Acquisiton	2010-11-08	0	$22.83	0	$22.83

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0	2004-03-20	2013-03-20	No	4	S	Direct
0	2005-03-18	2014-03-18	No	4	S	Direct
0	2006-03-17	2015-03-17	No	4	S	Direct
32,000	2007-03-16	2016-03-16	No	4	H	Direct
50,000	2008-03-15	2017-03-15	No	4	H	Direct
25,000	2009-03-19	2018-03-19	No	4	H	Direct
20,000	2010-03-18	2019-03-18	No	4	S	Direct
25,000	2011-03-17	2020-03-17	No	4	H	Direct

Footnotes

Shares were exercised under the Rofin-Sinar Technologies Inc. Equity Incentive Plan (the Plan). Shares were purchased at the exercise price and then sold at the market price on the same day.
Value represents the exercise price of the shares granted under the Plan.
Grants to purchase shares of common stock under the Plan are exercisable in 20% increments on each of the first five anniversaries of the date of grant.
Grants to purchase shares of common stock under the Plan expire following the tenth anniversary of the date of grant.
Number represents the number of available shares remaining under the particular grant date. Shares are not yet vested or beneficially owned, only outstanding under the plan.
no transaction being reported at this time - only reporting holdings
Number represents the number of available shares remaining under the particular grant date. 24,000 shares are currently vested and exercisable and the remaining 8,000 shares have not yet vested. None of these shares are beneficially owned yet.
Number represents the number of available shares remaining under the particular grant date. 30,000 shares are currently vested and exercisable and the remaining 20,000 shares have not yet vested. None of these shares are beneficially owned yet.
Number represents the number of available shares remaining under the particular grant date. 10,000 shares are currently vested and exercisable and the remaining 15,000 shares have not yet vested. None of these shares are beneficially owned yet.