0001057439-12-000050.txt : 20120201
0001057439-12-000050.hdr.sgml : 20120201
20120201145448
ACCESSION NUMBER: 0001057439-12-000050
CONFORMED SUBMISSION TYPE: SC 13G/A
PUBLIC DOCUMENT COUNT: 1
FILED AS OF DATE: 20120201
DATE AS OF CHANGE: 20120201
SUBJECT COMPANY:
COMPANY DATA:
COMPANY CONFORMED NAME: ACTIVE POWER INC
CENTRAL INDEX KEY: 0001044435
STANDARD INDUSTRIAL CLASSIFICATION: ELECTRIC SERVICES [4911]
IRS NUMBER: 742642142
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: SC 13G/A
SEC ACT: 1934 Act
SEC FILE NUMBER: 005-59961
FILM NUMBER: 12562282
BUSINESS ADDRESS:
STREET 1: 2128 WEST BRAKER LANE, BK12
CITY: AUSTIN
STATE: TX
ZIP: 78758
BUSINESS PHONE: 5128366464
MAIL ADDRESS:
STREET 1: 2128 WEST BRAKER LANE, BK12
CITY: AUSTIN
STATE: TX
ZIP: 78758
FILED BY:
COMPANY DATA:
COMPANY CONFORMED NAME: THOMSON HORSTMANN & BRYANT INC
CENTRAL INDEX KEY: 0001057439
IRS NUMBER: 223508647
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: SC 13G/A
BUSINESS ADDRESS:
STREET 1: 501 MERRITT 7
CITY: NORWALK
STATE: CT
ZIP: 06851
BUSINESS PHONE: 2036537060
MAIL ADDRESS:
STREET 1: 501 MERRITT 7
CITY: NORWALK
STATE: CT
ZIP: 06851
SC 13G/A
1
acpw11.txt
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. 2*)
(Name of Issuer)
Active Power
(Title of Class of Securities)
Common Stock
(CUSIP Number)
00504w100
Check the following box if a fee
is being paid with this statement.
(A fee is not required only if the
filing person: (1) has a previous
statement on file reporting beneficial
ownership of more than five percent
of the class of securities described
in Item 1; and (2) has filed no amendment
subsequent thereto reporting beneficial
ownership of five percent or less
of such class.) (See Rule 13d-7).
*The remainder of this cover page shall
be filled out for a reporting persons
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).
1 NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF PERSON
THOMSON HORSTMANN & BRYANT, INC.
22-3508647
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
N/A
3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
A DELAWARE CORPORATION
NORWALK, CT 06851
5 SOLE VOTING POWER
3348660
6 SHARED VOTING POWER
0
7 SOLE DISPOSITIVE POWER
4318400
8 SHARED DISPOSITIVE POWER
NONE
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
4318400
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
N/A
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
5.39%
12 TYPE OF REPORTING PERSON *
IA
ITEM 1.
(A) Active Power
(B) 2128 WEST BRAKER LANE, BK12 AUSTIN TX 78758
ITEM 2.
(A) THOMSON HORSTMANN & BRYANT, INC.
(B) 501 MERRITT 7, NORWALK, CT 06851
(C) A DELAWARE CORPORATION
(D) COMMON
(E) 872391107
ITEM 3.
(E) INVESTMENT ADVISER REGISTERED UNDER SECTION
203 OF THE INVESTMENT ADVISERS ACT OF 1940
ITEM 4.
(A) 4318400
(B) 5.39
(C) (I) 3348660
(II) 0
(III) 4318400
(IV) NONE
ITEM 5. N/A
ITEM 6. N/A
ITEM 7. N/A
ITEM 8. N/A
ITEM 9. N/A
ITEM 10. CERTIFICATION
By signing below I certify that,
to the best of my knowledge and belief,
the securities referred to above were
acquired in the ordinary course of
business and were not acquired for the
purpose of and do not have the effect of
changing or influencing the control of the
issuer of such securities and were not
acquired in connection with or as a
participant in any transaction having
such purposes or effect.
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.
James Kennedy
Date: 1/30/12