Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
GROUT SCOTT CHRISTOPHER
   2. Issuer Name and Ticker or Trading Symbol
RADISYS CORP [RSYS] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
PRESIDENT AND CEO
(Last)
(First)
(Middle)
5445 NE DAWSON CREEK DRIVE		 3. Date of Earliest Transaction (Month/Day/Year)
08/12/2008
(Street)

HILLSBORO, OR 97124		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 08/12/2008   M   5,100 A $ 3.79 110,872 D  
Common Stock 08/12/2008   S   5,100 D $ 12.0263 (1) 105,772 D  
Common Stock 08/13/2008   M   31,400 A $ 3.79 137,172 D  
Common Stock 08/13/2008   S   31,400 D $ 11.9584 (2) 105,772 D  
Common Stock 08/14/2008   M   9,345 A $ 3.79 115,117 D  
Common Stock 08/14/2008   S   9,345 D $ 11.927 (3) 105,772 D  
Common Stock 08/14/2008   M   24,155 A $ 3.79 129,927 D  
Common Stock 08/14/2008   S   28,255 D $ 11.927 (3) 101,672 D  
Common Stock 08/14/2008   A(4) V 797 A $ 8.92 102,469 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Incentive Stock Option (right to buy) $ 3.79 08/14/2008   M     24,155 10/07/2003(5) 10/07/2009 Common Stock 24,155 $ 0 0 D  
Non-Qualified Stock Option (right to buy) $ 3.79 08/12/2008   M     5,100 10/07/2003(5) 10/07/2009 Common Stock 5,100 $ 0 40,745 D  
Non-Qualified Stock Option (right to buy) $ 3.79 08/13/2008   M     31,400 10/07/2003(5) 10/07/2009 Common Stock 31,400 $ 0 9,345 D  
Non-Qualified Stock Option (right to buy) $ 3.79 08/14/2008   M     9,345 10/07/2003(5) 10/07/2009 Common Stock 9,345 $ 0 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
GROUT SCOTT CHRISTOPHER
5445 NE DAWSON CREEK DRIVE
HILLSBORO, OR 97124		   X     PRESIDENT AND CEO  

Signatures

 By: Brian Bronson, Attorney-In-Fact For: Scott C. Grout   08/14/2008
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The sales price reported is the weighted average sales price for the total shares sold. The range of actual sales prices includes 2,141 shares sold at $12.00, 260 shares sold at $12.01, 100 shares sold at $12.02, 2,499 shares sold at $12.05 and 100 shares sold at $12.06.
(2) The sales price reported is the weighted average sales price for the total shares sold. The range of actual sales prices includes 23,075 shares sold at $11.95, 200 shares sold at $11.955, 1,684 shares sold at $11.96, 2,242 shares sold at $11.97, 926 shares sold at $11.98, 169 shares sold at $11.99, 2,404 shares sold at $12.00, 400 shares sold at $12.01, 200 shares sold at $12.02 and 100 shares sold at $12.03.
(3) The sales price reported is the weighted average sales price for the total shares sold on August 14, 2008 which was 37,600 shares. The range of actual sales prices includes 12,705 shares sold at $11.90, 2,395 shares sold at $11.91, 5,791 shares sold at $11.92, 1,244 shares sold at $11.93, 9 shares sold at $11.94, 10,676 shares sold at $11.95, 100 shares sold at $11.955, 2,945 shares sold at $11.96, 1,130 shares sold at $11.97, 200 shares sold at $11.977, 200 shares sold at $11.99, 100 shares sold at $12.0075, 100 shares sold at $12.014 and 5 shares sold at $12.03.
(4) Represents acquisition of stock under the RadiSys Corporation Employee Stock Purchase Plan.
(5) ISO AND NQ grant on this date vest in conjunction with each other under the ISO 100,000 limit rule. Vesting schedule is one year from date of grant, option shall be exercisable for one-third of the total option shares and shall be exercisable in monthly increments equal to 1/36th of the total option shares, cumulatively, each month thereafter.

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