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Share Name | Share Symbol | Market | Type |
---|---|---|---|
Kaydon Corp. | NYSE:KDN | NYSE | Ordinary Share |
Price Change | % Change | Share Price | High Price | Low Price | Open Price | Shares Traded | Last Trade | |
---|---|---|---|---|---|---|---|---|
0.00 | 0.00% | 35.49 | 0.00 | 00:00:00 |
CUSIP No. 4
86587108
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1.
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Names of Reporting Persons
Stowers Institute for Medical Research
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2.
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Check the Appropriate Box if a Member of a Group (See Instructions)
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(a)
|
[ ]
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(b)
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[ ]
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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
Delaware
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5.
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Sole Voting Power
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0
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Number of Shares
Beneficially
|
6.
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Shared Voting Power
|
N/A
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Owned by
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|||||
Each
Reporting
|
7.
|
Sole Dispositive Power
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0
|
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Person With:
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8.
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Shared Dispositive Power
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N/A
|
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9.
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Aggregate Amount Beneficially Owned by Each Reporting Person
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0
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10.
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Check if the Aggregate Amount in Row (9) Excludes Certain Shares
(See Instructions) [ ]
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11.
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Percent of Class Represented by Amount in Row (9)
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0.0%
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12.
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Type of Reporting Person (See Instructions)
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HC
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Page 2 of 8 pages
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CUSIP No.
486587108
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1.
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Names of Reporting Persons
American Century Companies, Inc.
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2.
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Check the Appropriate Box if a Member of a Group (See Instructions)
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(a)
|
[ ]
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||||
(b)
|
[ ]
|
||||
3.
|
SEC Use Only
|
||||
4.
|
Citizenship or Place of Organization
Delaware
|
||||
5.
|
Sole Voting Power
|
0
|
|||
Number of Shares
Beneficially
|
6.
|
Shared Voting Power
|
N/A
|
||
Owned by
|
|||||
Each
Reporting
|
7.
|
Sole Dispositive Power
|
0
|
||
Person With:
|
|||||
8.
|
Shared Dispositive Power
|
N/A
|
|||
9.
|
Aggregate Amount Beneficially Owned by Each Reporting Person
|
0
|
|||
10.
|
Check if the Aggregate Amount in Row (9) Excludes Certain Shares
(See Instructions) [ ]
|
||||
11.
|
Percent of Class Represented by Amount in Row (9)
|
0.0%
|
|||
12.
|
Type of Reporting Person (See Instructions)
|
HC
|
|||
Page 3 of 8 pages
|
CUSIP No.
486587108
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|||||
1.
|
Names of Reporting Persons
American Century Investment Management, Inc.
|
||||
2.
|
Check the Appropriate Box if a Member of a Group (See Instructions)
|
||||
(a)
|
[ ]
|
||||
(b)
|
[ ]
|
||||
3.
|
SEC Use Only
|
||||
4.
|
Citizenship or Place of Organization
Delaware
|
||||
5.
|
Sole Voting Power
|
0
|
|||
Number of Shares
Beneficially
|
6.
|
Shared Voting Power
|
N/A
|
||
Owned by
|
|||||
Each
Reporting
|
7.
|
Sole Dispositive Power
|
0
|
||
Person With:
|
|||||
8.
|
Shared Dispositive Power
|
N/A
|
|||
9.
|
Aggregate Amount Beneficially Owned by Each Reporting Person
|
0
|
|||
10.
|
Check if the Aggregate Amount in Row (9) Excludes Certain Shares
(See Instructions) [ ]
|
|
|||
11.
|
Percent of Class Represented by Amount in Row (9)
|
0.0%
|
|||
12.
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Type of Reporting Person (See Instructions)
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IA
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Page 4 of 8 pages
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Item 1.
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(a)
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Name of Issuer.
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Kaydon Corporation
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(b)
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Address of Issuer’s Principal Executive Offices
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2723 South State Street, Suite 300
Ann Arbor, Michigan 48104
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Item 2.
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(a)
|
Name of Person Filing.
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|
(1)
|
Stowers Institute for Medical Research
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|
(2)
|
American Century Companies, Inc.
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|
(3)
|
American Century Investment Management, Inc.
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|
(b)
|
Address of Principal Business Office or, if none, Residence.
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4500 Main Street
9
th
Floor
Kansas City, Missouri 64111
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(c)
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Citizenship.
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|
(1)
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Delaware
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(2)
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Delaware
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(3)
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Delaware
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(d)
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Title of Class of Securities.
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Reference is made to the cover page of this filing.
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(e)
|
CUSIP Number.
|
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Reference is made to the cover page of this filing.
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Page 5 of 8 pages
|
Item 3.
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If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
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(1)
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Stowers Institute for Medical Research, is a parent holding company or control person in accordance with
§
240.13d-1(b)(1)(ii)(G).
|
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(2)
|
American Century Companies, Inc. is a parent holding company or control person in accordance with
§
240.13d-1(b)(1)(ii)(G).
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(3)
|
American Century Investment Management, Inc. is an investment adviser in accordance with §240.13d-1(b)(1)(ii)(E).
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Item 4.
|
Ownership.
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Reference is made to Items 5-9 and 11 on the cover page of this filing.
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Item 5.
|
Ownership of Five Percent or Less of a Class.
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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 [ X ].
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Item 6.
|
Ownership of More than Five Percent on Behalf of Another Person.
|
|
Various persons, including the investment companies and separate institutional investor accounts that American Century Investment Management, Inc. (“ACIM”) serves as investment adviser, have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the securities that are the subject of this schedule. Except as may be otherwise indicated if this is a joint filing, not more than 5% of the class of securities that is the subject of this schedule is owned by any one client advised by ACIM.
|
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Item 7.
|
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company
|
|
See attached Exhibit A.
|
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Item 8.
|
Identification and Classification of Members of the Group.
|
|
Not applicable.
|
||
Item 9.
|
Notice of Dissolution of Group.
|
|
Not applicable.
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||
Page 6 of 8 pages
|
Item 10.
|
Certification
|
AMERICAN CENTURY COMPANIES, INC. (“ACC”)
|
||
AMERICAN CENTURY INVESTMENT MANAGEMENT, INC. (“ACIM”)
|
||
By:
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/s/ Charles A. Etherington
|
|
Charles A. Etherington
|
||
Senior Vice President, ACIM
|
||
Vice President, ACC
|
||
STOWERS INSTITUTE FOR MEDICAL RESEARCH
|
||
By:
|
/s/ Richard W. Brown
|
|
Richard W. Brown
|
||
Chairman
|
AMERICAN CENTURY COMPANIES, INC. (“ACC”)
|
||
AMERICAN CENTURY INVESTMENT MANAGEMENT, INC. (“ACIM”)
|
||
By:
|
/s/ Charles A. Etherington
|
|
Charles A. Etherington
|
||
Senior Vice President, ACIM
|
||
Vice President, ACC
|
||
STOWERS INSTITUTE FOR MEDICAL RESEARCH
|
||
By:
|
/s/ Richard W. Brown
|
|
Richard W. Brown
|
||
Chairman |
1 Year Kaydon Chart |
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