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Jan 8, 2024 04:36PM Form SC 13G ARMSTRONG WORLD INDUSTRI Filed by: BlackRock Inc.
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Feb 10, 2022 06:06AM Form SC 13G/A ARMSTRONG WORLD INDUSTRI Filed by: LAZARD ASSET MANAGEMENT LLC
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Feb 16, 2021 03:59PM
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May 10, 2019 09:33AM Form SC 13G/A ARMSTRONG WORLD INDUSTRI Filed by: PRICE T ROWE ASSOCIATES INC /MD/
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Aug 20, 2018 09:27AM Form SC 13G/A ARMSTRONG WORLD INDUSTRI Filed by: IRIDIAN ASSET MANAGEMENT LLC/CT
Feb 14, 2018 02:14PM
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Feb 13, 2018 09:32AM
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Apr 4, 2017 10:08AM
Mar 13, 2017 11:41AM Form SC 13G/A ARMSTRONG WORLD INDUSTRI Filed by: Armstrong World Industries, Inc. Asbestos Personal Injury Settlement Trust
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Feb 14, 2017 02:05PM
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