UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Schedule 13G

Under the Securities Exchange Act of 1934

(Amendment No. 10)

SurModics, Inc.

(Name of Issuer)

Common Stock, $.05 par value

(Title of Class of Securities)

868873 10 0

(CUSIP Number)

December 31, 2008

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

¨ Rule 13d-1(b)

¨ Rule 13d-1(c)

x Rule 13d-1(d)

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CUSIP NO. 868873 10 0

	Name of reporting persons: I.R.S. Identification Nos. of above persons (entities only):             David A. Koch
1.	Check the appropriate box if a member of a group: (a)  ¨ (b)  ¨
2.	SEC use only:
3.	Citizenship or place of organization:             USA

Number of   shares   beneficially   owned by   each   reporting   person   with:	4.    Sole voting power:             290,003 (includes 4,000 shares which may be purchased upon the exercise of options)
	5.    Shared voting power:             35,000
	6.    Sole dispositive power:             290,003 (includes 4,000 shares which may be purchased upon the exercise of options)
	7.    Shared dispositive power:             35,000

8.	Aggregate amount beneficially owned by each reporting person:             325,003 (includes 4,000 shares which may be purchased upon the exercise of options)
9.	Check if the aggregate amount in Row (9) excludes certain shares	¨
10.	Percent of class represented by amount in Row 9:             1.8%
11.	Type of reporting person:             IN

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CUSIP NO. 868873 10 0

Item 1	(a).	Name of issuer:
		SurModics, Inc.
Item 1	(b).	Address of issuer’s principal executive offices:
		9924 West 74th Street Eden Prairie, MN 55344-3523
Item 2	(a).	Names of person filing:
		David A. Koch
Item 2	(b).	Address of principal business office:
		505 N Highway 169 Suite 595 Plymouth, MN 55441
Item 2	(c).	Citizenship:
		USA
Item 2	(d).	Title of class of securities:
		Common Stock, $.05 par value
Item 2	(e).	CUSIP No.:
		868873 10 0
Item 3.	If this statement is filed pursuant to Secs. 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
	Not applicable

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CUSIP NO. 868873 10 0

Item 4.	Ownership
	(a)	Amount beneficially owned: 325,003
	(b)	Percent of class: 1.8%
	(c)	Number of shares as to which the person has:
		(i)	Sole power to vote or to direct the vote: 290,003 (includes 4,000 shares which may be purchased upon the exercise of options)
		(ii)	Shared power to vote or to direct the vote: 35,000
		(iii)	Sole power to dispose or to direct the disposition of: 290,003 (includes 4,000 shares which may be purchased upon the exercise of options)
		(iv)	Shared power to dispose or to direct the disposition of: 35,000
Item 5.	Ownership of 5 percent or Less of a Class:    x
Item 6.	Ownership of More than 5 Percent on Behalf of Another Person: Not applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person: Not applicable
Item 8.	Identification and Classification of Members of the Group: Not applicable
Item 9.	Notice of Dissolution of Group: Not applicable
Item 10.	Certifications Not applicable

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Signature

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Dated: January 20, 2009

/s/ David A. Koch

Signature

David A. Koch

Name/Title