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 * CROTHALL KATHERINE D   2. Issuer Name and Ticker or Trading Symbol ANIMAS CORP [PUMP] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director __X__ 10% Owner __X__ Officer (give title below) _____ Other (specify below) CEO and Pres.(*) (Last) (First) (Middle) C/O ANIMAS CORPORATION, 200 LAWRENCE DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 02/18/2005 (Street) WEST CHESTER, PA 19380 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 02/18/2005   S   55,000 D $ 19.5227 386,833 I By Spouse Common Stock 02/18/2005   S   13,200 D $ 19.15 188,800 I See Footnote (1) Common Stock 02/18/2005   S   1,400 D $ 19.17 187,400 I See Footnote (1) Common Stock 02/18/2005   S   1,700 D $ 19.18 185,700 I See Footnote (1) Common Stock 02/18/2005   S   100 D $ 19.2 185,600 I See Footnote (1) Common Stock 02/18/2005   S   500 D $ 19.21 185,100 I See Footnote (1) Common Stock 02/18/2005   S   400 D $ 19.26 184,700 I See Footnote (1) Common Stock 02/18/2005   S   200 D $ 19.27 184,500 I See Footnote (1) Common Stock               133,334 I See Footnote (2) Common Stock               10,667 I See Footnote (3) Common Stock               1,370,417 D   Common Stock               92,711 I See Footnote (4) Common Stock               92,711 I See Footnote (5) Common Stock               92,711 I See Footnote (6) Common Stock               92,711 I See Footnote (7) Common Stock               351,422 I See Footnote (8) Common Stock               266,667 I See Footnote (9)

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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
CROTHALL KATHERINE D C/O ANIMAS CORPORATION 200 LAWRENCE DRIVE WEST CHESTER, PA 19380	X	X	CEO and Pres.(*)

Signatures

Richard A. Baron, Attorney In Fact for Katherine D. Crothall		02/23/2005
**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)	Reporting person's spouse is the trustee for the Graeme Crothall Trust, which is for the benefit of the the reporting person's spouse's children. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for the purposes of Section 16 or for any other purpose.
(2)	Reporting person's spouse is the trustee for the Graeme Crothall Retained Annuity Trust, which is for the benefit of the reporting person's spouse's children. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for the purposes of Section 16 or for any other purpose.
(3)	Reporting person's spouse is the trustee for the G-K Trust, which is for the benefit of the reporting person's spouse's children. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for the purposes of Section 16 or for any other purpose.
(4)	Reporting person is the trustee for the Peter Laakman Trust, which is for the benefit of one of her children. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for the purposes of Section 16 or for any other purpose.
(5)	Reporting person is the trustee for the Christine Laakman Trust, which is for the benefit of one of her children. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for the purposes of Section 16 or for any other purpose.
(6)	Reporting person is the trustee for the Gayle Laakman Trust, which is for the benefit of one of her children. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for the purposes of Section 16 or for any other purpose.
(7)	Reporting person is the trustee for the Karen Laakman Trust, which is for the benefit of one of her children. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for the purposes of Section 16 or for any other purpose.
(8)	Reporting person is the trustee for the Katherine Crothall Trust, which is for the benefit of her children. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for the purposes of Section 16 or for any other purpose.
(9)	Reporting person is the trustee for the Katherine D. Crothall Retained Annuity Trust, which is for the benefit of her children. The reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for the purposes of Section 16 or for any other purpose.
Remarks: *Reporting person is deemed to beneficially own the shares of common stock owned by her husband, Graeme A. Crothall, which disposition is the subject of this filing.

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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