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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13G
INFORMATION STATEMENT PURSUANT TO RULES 13D-1 AND 13D-2
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(AMENDMENT NO. 2 )(1)
Aspect Medical Systems, Inc.
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(Name of Issuer)
Common Stock, $0.01 par value per share
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(Title or Class of Securities)
045235108
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(CUSIP Number)
December 31, 2005
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(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)
[X] Rule 13d-1(c)
[ ] Rule 13d-1(d)
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(1) The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which would
alter the disclosures provided in a prior cover page.
The information required in the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise subject to the liabilities of that section of
the Act but shall be subject to all other provisions of the Act (however, see
the Notes).
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CUSIP NO. 045235108 13G PAGE 2 OF 6
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1 NAMES OF REPORTING PERSONS
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
Boston Scientific Corporation
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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a) [_]
N/A (b) [_]
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3 SEC USE ONLY
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4 CITIZENSHIP OR PLACE OF ORGANIZATION
The State of Delaware
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5 SOLE VOTING POWER
6,013,239
NUMBER OF ------- -----------------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY
OWNED BY 0
EACH ------- -----------------------------------------------------
REPORTING 7 SOLE DISPOSITIVE POWER
PERSON
WITH 6,013,239
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8 SHARED DISPOSITIVE POWER
0
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9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
6,013,239
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10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
(SEE INSTRUCTIONS) [_]
N/A
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11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
27.3%
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12 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
CO
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CUSIP NO. 045235108 13G PAGE 3 OF 6
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ITEM 1(A). NAME OF ISSUER:
Aspect Medical Systems, Inc., a Delaware corporation (the "Company")
ITEM 1(B). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
141 Needham Street
Newton, MA 02464
ITEM 2(A). NAME OF PERSON FILING:
Boston Scientific Corporation
ITEM 2(B). ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE:
One Boston Scientific Place
Natick, MA 01760-1537
ITEM 2(C). CITIZENSHIP:
The State of Delaware
ITEM 2(D). TITLE OF CLASS OF SECURITIES:
Common Stock, $0.01 par value per share, (the "shares")
ITEM 2(E). CUSIP NUMBER:
045235108
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CUSIP NO. 045235108 13G PAGE 4 OF 6
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ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO RULES 13D-1(B), OR 13D-2(B),
CHECK WHETHER THE PERSON FILING IS A:
(a) [ ] Broker or dealer registered under section 15 of the Act (15
U.S.C. 78o).
(b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C.
78c).
(c) [ ] Insurance company as defined in section 3(a)(19) of the Act
(15 U.S.C. 78c).
(d) [ ] Investment company registered under section 8 of the
Investment Company Act of 1940 (15 U.S.C 80a-8).
(e) [ ] An investment adviser in accordance with
ss.240.13d-1(b)(1)(ii)(E);
(f) [ ] An employee benefit plan or endowment fund in accordance
with ss.240.13d-1(b)(1)(ii)(F);
(g) [ ] A parent holding company or control person in accordance
with ss. 240.13d-1(b)(1)(ii)(G);
(h) [ ] A savings associations as defined in Section 3(b) of the
Federal Deposit Insurance Act (12 U.S.C. 1813);
(i) [ ] A church plan that is excluded from the definition of an
investment company under section 3(c)(14) of the Investment
Company Act of 1940 (15 U.S.C. 80a-3);
(j) [ ] Group, in accordance with ss.240.13d-1(b)(1)(ii)(J).
ITEM 4. OWNERSHIP:
(a) Amount beneficially owned: 6,013,239 shares
(b) Percent of class: 27.3%
(c) Number of shares as to which such person has: (i) Sole Power
to vote or to direct the vote: 6,013,239
(ii) Shared power to vote or to direct the vote: 0 shares
(iii) Sole power to dispose or to direct the disposition of:
6,013,239 shares
(iv) Shared power to dispose or to direct the disposition
of: 0 shares
ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS:
If this statement is being filed to report the fact that as of the
date hereof the reporting person has ceased to be the beneficial
owner of more than five percent of the class of securities, check
the following: [ ]
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CUSIP NO. 045235108 13G PAGE 5 OF 6
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ITEM 6. OWNERSHIP OF MORE THAN FIVE 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:
Not applicable.
ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP:
Not applicable.
ITEM 9. NOTICE OF DISSOLUTION OF A GROUP:
Not applicable.
ITEM 10. CERTIFICATION:
By signing below I certify that, to the best of my knowledge and
belief the securities referred to above were not acquired and are
not held for the purpose of or with the effect of changing or
influencing the control of the issuer of the securities an were not
acquired and are not held in connections with or as a participant in
any transaction having that purpose or effect.
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CUSIP NO. 045235108 13G PAGE 6 OF 6
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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.
February 14, 2006
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(Date)
By: /s/ Lawrence J. Knopf
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Name: Lawrence J. Knopf
Title: Vice-President and Assistant
General Counsel