SECURITIES AND EXCHANGE COMMISSION
Washington,
D.C. 20549
SCHEDULE
13G
(Rule
13d-102)
INFORMATION
TO BE INCLUDED IN STATEMENTS FILED PURSUANT
TO RULES
13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED
PURSUANT
TO RULE 13d-2(b)
Amendment
No. 13
Wausau
Paper Corp.
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(Name of
Issuer)
Common
Stock
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(Title of
Class of Securities)
943315-101
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(CUSIP
Number)
December
31, 2009
-------------------------------------------------------------------------------
(Date of
Event Which Requires Filing of this Statement)
Check
the appropriate box to designate the
rule pursuant to which this Schedule is filed:
þ Rule
13d-1(b)
o Rule
13d-(c)
o Rule
13d-1(d)
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* 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. 943315-101
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1
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NAME
OF REPORTING PERSONS
I.R.S.
IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
Wilmington Trust Corporation
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2
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CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) þ
(b)
¨
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3
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SEC
USE ONLY
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4
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CITIZENSHIP
OR PLACE OF ORGANIZATION
Delware
corporation
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NUMBER
OF
SHARES
BENEFICIALLY
OWNED
BY
EACH REPORTING
PERSON
WITH
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5
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SOLE
VOTING POWER
3,238,308
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6
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SHARED
VOTING POWER
0
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7
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SOLE
DISPOSITIVE POWER
3,238,308
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8
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SHARED
DISPOSITIVE POWER
0
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9
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AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,238,308
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10
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CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES* o
N/A
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11
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PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
6.6%
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12
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TYPE
OF REPORTING PERSON*
HC
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2
CUSIP No. 943315-101
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1
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NAME
OF REPORTING PERSONS
I.R.S.
IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
Wilmington
Trust Company, in various fiduciary capacities
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2
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CHECK
THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(a) þ
(b)
¨
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3
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SEC
USE ONLY
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4
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CITIZENSHIP
OR PLACE OF ORGANIZATION
Delware banking
corporation
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NUMBER
OF
SHARES
BENEFICIALLY
OWNED
BY
EACH REPORTING
PERSON
WITH
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5
|
SOLE
VOTING POWER
3,238,308
|
|
|
6
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SHARED
VOTING POWER
0
|
||
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7
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SOLE
DISPOSITIVE POWER
3,238,308
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||
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8
|
SHARED
DISPOSITIVE POWER
0
|
||
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9
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AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
3,238,308
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||
|
10
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CHECK
BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES* o
N/A
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||
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11
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PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
6.6%
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12
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TYPE
OF REPORTING PERSON*
BK
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3
CUSIP No. 943315-101
ITEM 1(A). NAME OF ISSUER:
Wausau
Paper Corp.
ITEM
1(B). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
100 Paper
Place
Mosinee,
WI 544455
ITEM 2(A). NAME OF PERSON FILING:
Wilmington
Trust Corporation and Wilmington Trust Company
ITEM
2(B). ADDRESS OF PRINCIPAL BUSINESS OFFICE, OR IF NONE,
RESIDENCE:
1100
North Market Street
Wilmington,
DE 19890
ITEM
2(C). CITIZENSHIP:
Wilmington
Trust Corporation is a Delaware corporation;
Wilmington
Trust Company is a Delaware banking corporation.
ITEM
2(D). TITLE OF CLASS OF SECURITIES:
Common
Stock
ITEM
2(E). CUSIP NUMBER:
943315-101
ITEM
3. IF THIS STATEMENT IS
FILED PURSUANT TO RULE 13D-1(B), OR 13D-2(B) OR (C), CHECK
WHETHER THE PERSON FILING IS A:
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(a)
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o
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Broker
or dealer registered under Section 15 of the Exchange
Act.
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(b)
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þ
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Bank
as defined in Section 3(a)(6) of the Exchange
Act.
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Wilmington
Trust Company is a wholly-owned subsidiary of Wilmington Trust
Corporation.
4
CUSIP No. 943315-101
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(c)
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o
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Insurance company
as defined in Section 3(a)(19) of the Exchange
Act.
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(d)
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o
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Investment company registered
under Section 8 of the Investment Company
Act.
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(e)
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o
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An
investment adviser in accordance with Rule
13d-1(b)(1)(ii)(E);
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(f)
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o
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An
employee benefit plan or endowment fund
in accordance with Rule
13d-1(b)(1)(ii)(F);
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(g)
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þ
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A
parent holding company or control person
in accordance with Rule
13d-1(b)(1)(ii)(G);
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Wilmington
Trust Corporation is a Parent Holding Company.
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(h)
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o
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A
savings association as defined in Section 3(b) of
the Federal Deposit Insurance Act;
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(i)
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o
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A church plan that is excluded from the definition of
an
investment company under Section 3(c)(14) of
the Investment Company
Act;
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(j)
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þ
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Group,
in accordance with Rule
13d-1(b)(1)(ii)(J).
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Wilmington
Trust Corporation and Wilmington Trust Company are a Group.
ITEM
4. OWNERSHIP.
Provide the following information regarding the aggregate number
and percentage of the class of securities of the issuer identified in Item
1.
(a) Amount
beneficially owned: 3,238,308
(b) Percent
of class: 6.6%
(c) Number
of shares as to which Wilmington Trust Corporation and Wilmington Trust Company
have:
(i)
Sole power to vote or to direct the vote 3,238,308 shares
(ii)
Shared power to vote or to direct the vote 0 shares
(iii)
Sole power to dispose or to direct the disposition of 3,238,308
shares
(iv) Shared
power to dispose or to direct the disposition of 0 shares
5
CUSIP No. 943315-101
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
o
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.
Wilmington
Trust
Company: BK
ITEM
8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE
GROUP.
Wilmington
Trust
Corporation: HC
Wilmington
Trust
Company: BK
ITEM
9. NOTICE OF DISSOLUTION OF GROUP.
Not
applicable.
6
CUSIP No. 943315-101
ITEM 10. CERTIFICATIONS.
By
signing below I certify that, to the best
of my knowledge and belief, the securities
referred to above were acquired and are held in the ordinary course of business
and 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 and were not
acquired and are not held in connection with or as a
participant in any transaction having that purpose 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.
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March
16, 2010
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WILMINGTON
TRUST CORPORATION
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WILMINGTON
TRUST COMPANY
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By:
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| Gerard A. Chamberlain | ||
| Assistant Secretary and Vice President |
Note. Schedules
filed in paper format shall include a signed original and five copies of the
schedule, including all exhibits. See Rule 13d-7(b) for other parties
for whom copies are to be sent.
Attention. Intentional
misstatements or omissions of fact constitute federal criminal violations (see
18 U.S.C. 1001).
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