(Name,
Address and Telephone Number of Person Authorized to Receive Notices
and
Communications)
March
13, 2008
|
13D
|
Page 2
of 7
|
1. Names
of Reporting Persons
Wanger
Investment Management, LLC
|
||
2. Check
the Appropriate Box if a Member of a Group
(See
Instructions)
|
(a)
o
(b)
o
|
|
3. SEC
Use Only
|
||
4. Source
of Funds (See
Instructions)
WC
|
||
5. Check
if Disclosure of Legal Proceedings is Required Pursuant to Item
2(d) or
2(e)
¨
|
||
6. Citizenship
or Place of Organization
Delaware
|
||
7. Sole
Voting Power
0
|
||
Number
of
Shares
Beneficially
Owned
by
Each
Reporting
Person
With
|
8. Shared
Voting Power
1,021,379
|
|
9. Sole
Dispositive Power
0
|
||
10. Shared
Dispositive Power
1,021,379
|
||
11. Aggregate
Amount Beneficially Owned by Each Reporting Person:
1,021,379
|
||
12. Check
if the Aggregate Amount in Row (11) Excludes Certain Shares
¨
(See
Instructions)
|
||
13. Percent
of Class Represented by Amount in Row (11)
6.50%
|
||
14. Type
of Reporting Person (See
Instructions)
OO
|
13D
|
Page 3
of 7
|
1.
Names
of Reporting Persons
Eric Wanger
|
||
2.
Check
the Appropriate Box if a Member of a Group
(See
Instructions)
|
(a)
o
(b)
o
|
|
3.
SEC
Use Only
|
||
4. Source
of Funds (See
Instructions)
PF
|
||
5.
Check
if Disclosure of Legal Proceedings is Required Pursuant to Item
2(d) or
2(e)
¨
|
||
6.
Citizenship
or Place of Organization
USA
|
||
7.
Sole
Voting Power
55,416
|
||
Number
of
Shares
Beneficially
Owned
by
Each
Reporting
Person
With
|
8. Shared
Voting Power
1,021,379
|
|
9.
Sole
Dispositive Power
55,416
|
||
10. Shared
Dispositive Power
1,021,379
|
||
11.
Aggregate
Amount Beneficially Owned by Each Reporting Person:
1,076,795
|
||
12. Check
if the Aggregate Amount in Row (11) Excludes Certain Shares
¨
(See
Instructions)
|
||
13. Percent
of Class Represented by Amount in Row (11)
6.85%
|
||
14. Type
of Reporting Person (See
Instructions)
IN
|
13D
|
Page
4 of 7
|
A.
|
Wanger
Investment Management, LLC
|
|||
(a)
|
Name
of Person Filing:
|
Wanger
Investment Management, LLC (“WIM”)
|
||
(b)
|
Organization:
|
WIM
is a Delaware limited liability company, the sole member of which
is Eric
Wanger.
|
||
(c)
|
Principal
Business:
|
Investment
management.
|
||
(d)
|
Address
of Principal Office:
|
401
North Michigan Avenue, Suite 1301
Chicago,
Illinois 60611
|
||
(e)
|
Prior
Criminal Convictions:
|
None
|
||
(f)
|
Prior
Civil Proceedings with Respect to Federal or State Securities
Laws:
|
None
|
||
B.
|
Eric
Wanger
|
|||
(a)
|
Name
of Person Filing:
|
Eric
Wanger (“Mr. Wanger”)
|
||
(b)
|
Residence
or Business Address:
|
c/o
Wanger Investment Management, LLC
401
North Michigan Avenue, Suite 1301
Chicago,
Illinois 60611
|
||
(c)
|
Present
Occupation:
|
Investment
manager.
|
||
(d)
|
Prior
Criminal Convictions:
|
None
|
||
(e)
|
Prior
Civil Proceedings with Respect to Federal or State Securities
Laws:
|
None
|
13D
|
Page
5 of 7
|
(f)
|
Citizenship:
|
USA
|
(a): |
To
the best knowledge of the Reporting Persons, there were 15,714,747
shares
of Common Stock outstanding as of February 11, 2008 based on the
Issuer’s
Quarterly Report on Form 10-Q for the quarter ended December 31,
2007. The
Reporting Persons beneficially own 1,076,795 shares of Common Stock,
including 5,416 shares issuable upon exercise of options to acquire
shares
of Common Stock held by Mr. Wanger. Based on the foregoing, the 1,076,795
shares reported herein as beneficially owned by the Reporting Persons
constitute 6.85% of the outstanding shares of Common Stock and consist
of
the following:
|
(i) |
1,021,379
shares of Common Stock held by WIM;
|
(ii) |
50,000
shares of Common Stock held by Mr. Wanger;
and
|
(iii) |
5,416
shares of Common Stock issuable upon exercise of options to acquire
shares
of Common Stock, which options are held by Mr. Wanger.
|
CUSIP
NO. 021489109
|
13D
|
Page
6 of 7
|
(b)
|
Mr.
Wanger has the sole power to vote or direct the vote of 55,416
shares of
Common Stock. Mr. Wanger has the sole power to dispose or direct
the
disposition of 55,416 shares of Common Stock.
|
|
WIM
and Mr. Wanger have shared power to vote or direct the vote
of 1,076,795
shares of Common Stock. WIM and Mr. Wanger have shared power
to dispose or
direct the disposition of 1,076,795 shares of Common Stock.
|
||
Except
as set forth below, as of the date hereof, none of the Reporting
Persons,
nor to the knowledge of any of the Reporting Persons, any of
the persons
listed in Item 2 hereof, beneficially owns any shares of Common
Stock
other than the shares owned by the Reporting Persons.
|
||
(c)
|
Except
as set forth below, during the last 60 days, no transactions
in the Common
Stock were effected by the Reporting Persons, other than the
following:
|
|
(i)
|
On
January 31, 2008, WIM purchased 4,300 shares of Common Stock
for $1.617
per share.
|
|
(ii)
|
As
described in Item 5(a) above, certain of Mr. Wanger’s options to purchase
shares of Common Stock vest on a monthly basis. On March 22,
2008 Mr.
Wanger’s right to exercise an option to purchase 416 shares of Common
Stock will vest. On April 22, 2008 Mr. Wanger’s right to exercise an
option to purchase 416 shares of Common Stock will
vest.
|
|
(d)
|
No
persons other than the Reporting Persons have the right to
receive or to
direct the power to receipt of dividends from, or the proceeds
from the
sale of shares of Common Stock owned by the Reporting Persons.
|
|
(e)
|
Not
Applicable
|
CUSIP
NO. 021489109
|
13D
|
Page
7 of 7
|
Exhibit
|
Agreement
|
|
1.
|
Form
of Stock Option Agreement (incorporated by reference to exhibit
filed with
the Issuer’s Registration Statement on Form S-1 (No. 333-80037) declared
effective on October 4, 1999).
|
WANGER
INVESTMENT MANAGEMENT, LLC
|
|||
By:
|
/s/
Eric Wanger
|
||
Name:
|
Eric
Wanger
|
||
Title:
|
Managing
Member
|
||
/s/
Eric Wanger
|
|||
Eric
Wanger
|