Ownership Submission
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 *
THEISEN HENRY J
   2. Issuer Name and Ticker or Trading Symbol
BEMIS CO INC [BMS] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President & CEO
(Last)
(First)
(Middle)
ONE NEENAH CENTER, 4TH FLOOR, P.O. BOX 669		 3. Date of Earliest Transaction (Month/Day/Year)
01/01/2010
(Street)

NEENAH, WI 54957		 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 01/04/2010   M   29,098 (6) A $ 30.01 111,317 D  
Common Stock 03/31/2009   J   378 A (3) 12,888 I 401(k) Plan
Common Stock 06/30/2009   J   186 A (3) 13,074 I 401(k) Plan
Common Stock 09/30/2009   J   112 A (3) 13,186 I 401(k) Plan
Common Stock 12/31/2009   J   100 A (3) 13,286 I 401(k) Plan
Common Stock               5,261 I (1) Children
Common Stock               3,067 I (2) Children

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
Common Stock (4) 01/01/2005 01/04/2010 M     45,000 12/31/2009(6) 12/31/2009 Common Stock 45,000 (5) 0 D  
Common Stock (4) 01/02/2006   A   48,000   12/31/2010(7) 12/31/2010 Common Stock 48,000 (5) 48,000 D  
Common Stock (4) 01/03/2007   A   49,000   12/31/2011(8) 12/31/2011 Common Stock 49,000 (5) 49,000 D  
Common Stock (4) 01/02/2008   A   51,000   12/31/2012(9) 12/31/2012 Common Stock 51,000 (5) 51,000 D  
Common Stock (4) 02/08/2008   A   15,000   01/01/2013(10) 01/01/2013 Common Stock 15,000 (5) 15,000 D  
Common Stock (4) 01/13/2009   A   37,154   12/31/2011(11) 12/31/2011 Common Stock 37,154 (5) 37,154 D  
Common Stock (4) 01/13/2009   A   44,336   12/31/2013(12) 12/31/2013 Common Stock 44,336 (5) 44,336 D  
Common Stock (4) 01/01/2010   A   46,411   12/31/2012(13) 12/31/2012 Common Stock 46,411 (5) 46,411 D  
Common Stock (4) 01/01/2010   A   46,411   12/31/2014(14) 12/31/2014 Common Stock 46,411 (5) 46,411 D  
Common Stock $ 24.59 01/01/2002   A   22,358     (15) 12/31/2011 Common Stock 22,358 (16) 22,358 D  
Common Stock $ 24.815 01/02/2003   A   31,608     (15) 12/31/2012 Common Stock 31,608 (16) 31,608 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
THEISEN HENRY J
ONE NEENAH CENTER, 4TH FLOOR
P.O. BOX 669
NEENAH, WI 54957		   X     President & CEO  

Signatures

 J J Seifert Power of Attorney   01/05/2010
**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 is Trustee of shares held in Trust for Dependent Child #1.
(2) Reporting Person is Trustee of shares held in Trust for Dependent Child #2.
(3) No price necessary for Edgar Filing - Company 401(k) Plan.
(4) Security converts to Common Stock on a one-for-one basis on date of conversion.
(5) Will know price on the date of conversion.
(6) Award under Bemis Time Accelerated Restricted Stock Appreciation Program (TARSAP) exempt under Rule 16b-3: Grant to Reporting Person of right to receive stock as of December 31, 2009. Payout was made on January 4, 2010 with 15,902 shares withheld for tax purposes, leaving right to receive 29,098 shares.
(7) Award under Bemis Time Accelerated Restricted Stock Appreciation Program (TARSAP) exempt under Rule 16b-3: Grant to Reporting Person of right to receive stock as of December 31, 2010.
(8) Award under Bemis Time Accelerated Restricted Stock Appreciation Program (TARSAP) exempt under Rule 16b-3: Grant to Reporting Person of right to receive stock as of December 31, 2011.
(9) Award under Bemis Time Accelerated Restricted Stock Appreciation Program (TARSAP) exempt under Rule 16b-3: Grant to Reporting Person of right to receive stock as of December 31, 2012.
(10) Award under Bemis Time Accelerated Restricted Stock Appreciation Program (TARSAP) exempt under Rule 16b-3: Grant to Reporting Person of right to receive stock as of January 1, 2013.
(11) Award under Bemis Performance Based Restricted Stock Award Program exempt under Rule 16b-3: Grant to Reporting Person of right to receive Performance Stock Units as of December 31, 2011, if certain performance targets are met by the Company.
(12) Award under Bemis Restricted Stock Award Program exempt under Rule 16b-3: Grant to Reporting Person of right to receive Restricted Stock Units as of December 31, 2013.
(13) Award under Bemis Performance Based Restricted Stock Award Program exempt under Rule 16b-3: Grant to Reporting Person of right to receive Performance Stock Units as of December 31, 2012, if certain performance targets are met by the Company.
(14) Award under Bemis Restricted Stock Award Program exempt under Rule 16b-3: Grant to Reporting Person of right to receive Restricted Stock Units as of December 31, 2014.
(15) Stock Option (right to buy) pursuant to Stock Option Plan exempt under Rule 16b-3: Options presently exercisable. Will know price on the date of exercise.
(16) Will know price on the date of exercise.

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