FORM 4

U.S. SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

	Check box if no longer subject to
	Section 16. Form 4 or Form 5 obligations may
	continue. See Instruction 1(b).

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(f) of the Investment Company Act of 1940

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1.   Name and Address of Reporting Person*		2.   Issuer Name and Ticker or Trading Symbol		6.   Relationship of Reporting Person
Koch                     David                    A.		SurModics, Inc. (SRDX)		to Issuer (Check all applicable)
(Last)                   (First)                   (Middle)				Director 10% Owner
				Officer (give title below)
		3.   IRS Identification Number of Reporting Person, if an Entity (Voluntary)		Other (specify below)
1582A Homestead Trail
(Street)
		4.   Statement for Month/Year		7.   Individual or Joint/Group Filing
Long Lake               MN                 55356		May 2002		(Check applicable line)
(City)                   (State)                   (Zip)				Form Filed by One Reporting Person
				Form Filed by More than One Reporting Person
		5.   If Amendment, Date of Original (Month/Year)

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TABLE I — NON-DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED

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4.   Securities Acquired (A)

3.   Transaction Code

or Disposed of (D)

2.  Transaction Date

(Instr. 8)

(Instr. 3, 4 and 5)

(A)

or

1.   Title of Security (Instr. 3)

(Month/Day/Year)

Code

V

Amount

(D)

Price

Common Stock

5/30/02

G

V

50

D

None

Common Stock

[Additional columns below]

[Continued from above table]

5.   Amount of		6.   Ownership Form:
Securities Beneficially		Direct (D) or		7.   Nature of Indirect
Owned at End of Month		Indirect (I)		Beneficial Ownership
(Instr. 3 and 4)		(Instr. 4)		(Instr. 4)
764,510		D
142,000		I		Trust (1)

 

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FORM 4 (CONTINUED)

TABLE II — DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED
(E.G., PUTS, CALLS, WARRANTS, OPTIONS, CONVERTIBLE SECURITIES)

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5. Number of

Derivative

Securities

Acquired (A) or

4. Transaction

Disposed of (D)

Code

(Instr. 3, 4,

2. Conversion or

(Instr. 8)

and 5)

1. Title of Derivative

Exercise Price of

3. Transaction Date

Security (Instr. 3)

Derivative Security

(Month/Day/Year)

Code

V

(A)

(D)

Director Stock Option (Right to Buy)

$

6.563

Previously Reported

Director Stock Option (Right to Buy)

$

2.50

Previously Reported

Director Stock Option (Right to Buy)

$

25.094

Previously Reported

Director Stock Option (Right to Buy)

$

34.85

11/12/01

A

V

1,000

[Additional columns below]

[Continued from above table]

6. Date Exercisable				7. Title and Amount
and Expiration				of Underlying
Date (Month/Day/				Securities
Year)				(Instr. 3 and 4)
								8. Price of
						Amount or		Derivative
Date		Expiration				Number of		Security
Exercisable		Date		Title		Shares		(Instr. 5)
(2)		5/17/09		Common Stock		9,000		None
(3)		9/18/05		Common Stock		40,000		None
(4)		9/18/10		Common Stock		2,000		None
(5)		11/12/11		Common Stock		1,000		None

9. Number of		10. Ownership
Derivative		Form of
Securities		Derivative		11. Nature of
Beneficially		Securities		Indirect
Owned at End		Beneficially		Beneficial
of Month		owned at end of month		Ownership
(Instr. 4)		(Instr. 4)		(Instr. 4)
9,000		D
40,000		D
2,000		D
1,000		D

      Explanation of Responses:

(1)		These shares are owned by a trust established under the will of Clarissa L. Gray. The wife and children of David A. Koch are among the beneficiaries of the trust. The trustees of the trust are David A. Koch, Paul M. Torgerson and U.S. Bank Trust National Association SD.
(2)		Exercisable in annual increments of 1,800 shares each commencing 5/17/99.
(3)		Exercisable in annual increments of 8,000 shares each commencing 9/18/95.
(4)		Exercisable in annual increments of 400 shares each commencing 9/18/00.
(5)		Exercisable in annual increments of 299 shares each commencing 11/21/01.

/s/ David A. Koch		July 3, 2002
**Signature of Reporting Person		Date

      **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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(Print or Type Responses)