SEC FORM 3

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Lambert Keith

(Last)

(First)

(Middle)

5445 NE DAWSON CREEK DRIVE

(Street)

HILLSBORO

97124

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
03/08/2005

3. Issuer Name and Ticker or Trading Symbol
RADISYS CORP [ RSYS ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	VP of Global Operations

5. If Amendment, Date of 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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	10,797	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Incentive Stock Option (right to buy)	10/17/2003⁽¹⁾	10/17/2009	Common Stock	4,947	$5.33	D
Incentive Stock Option (right to buy)	01/28/2004⁽¹⁾	01/28/2010	Common Stock	6,500	$7.039	D
Incentive Stock Option (right to buy)	01/11/2003⁽²⁾	01/11/2009	Common Stock	564	$19.49	D
Incentive Stock Option (right to buy)	05/01/2002⁽¹⁾	05/01/2006	Common Stock	13,529	$21.36	D
Non-Qualified Stock Option (right to buy)	10/17/2003⁽¹⁾	10/17/2009	Common Stock	12,853	$5.33	D
Non-Qualified Stock Option (right to buy)	01/28/2004⁽¹⁾	01/28/2010	Common Stock	11,700	$7.039	D
Non-Qualified Stock Option (right to buy)	07/16/2003⁽³⁾	07/16/2009	Common Stock	5,000	$12.26	D
Non-Qualified Stock Option (right to buy)	10/16/2003⁽⁴⁾	10/16/2008	Common Stock	3,000	$14.05	D
Non-Qualified Stock Option (right to buy)	09/15/2004⁽²⁾	09/15/2010	Common Stock	16,500	$17.58	D
Non-Qualified Stock Option (right to buy)	03/15/2005⁽²⁾	03/15/2011	Common Stock	22,500	$19.12	D
Non-Qualified Stock Option (right to buy)	01/11/2003⁽²⁾	01/11/2009	Common Stock	19,436	$19.49	D
Non-Qualified Stock Option (right to buy)	01/01/2002⁽⁵⁾	07/17/2008	Common Stock	875	$19.99	D
Non-Qualified Stock Option (right to buy)	05/01/2002⁽¹⁾	05/01/2006	Common Stock	16,471	$21.36	D

Explanation of Responses:

1. 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.

2. Shares granted had initial vesting schedules accelerated on 11/12/04 so that 100% of the shares granted are exercisable.

3. Option granted on 7/16/02 for 20,000 shares becomes exercisable for the full number of shares on 7/16/03.

4. Option granted on 10/16/01 for 3,000 shares becomes exercisable in two equal installments of 1,500 shares each on 10/16/03 and 10/16/04.

5. Option granted on 7/17/01 for 875 shares becomes exercisable for the full number of shares on 1/1/02.

	By: Brian Bronson, Attorney-In-Fact For: Keith Lambert	03/17/2005
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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