$AP 3 SEC Filings

Filed On	Filing
13 May 2022	Form 3: DeMichiei Robert, Director No securities owned
22 Feb 2022	Form 3: DiSanto Frederick D., Director Holds 491,517 shares of Common Stock
22 Feb 2022	Form 3: McNair Darrell L, Director No securities owned
22 Feb 2022	Form 3: Paul Laurence E, Director Holds 33,456 shares of Common Stock
20 Jan 2022	Form 3: Anderson David George, President,Air&Liq. Proc. Group Holds 18,431 shares of Common Stock
01 Oct 2020	Form 3: Crawford United Corp, Member of 10% owner group Holds 234,297 shares of Common Stock
01 Oct 2020	Form 3: 2006 Irrevocable Trust of Laura W. Van Loan for the Benefit of Mary M. Crawford, Member of 10% owner group and 1 other Holds 986,444 shares of Common Stock
12 Aug 2020	Form 3: Altor Ii Aggregator Topco Ltd, 10% owner Holds 1,776,604 shares of Common Stock
10 May 2019	Form 3: Dunlap Terry L, Director Holds 10,000 shares of Common Stock
05 Feb 2019	Form 3: Lyon Samuel, President of Union Electric Holds 19,513 shares of Common Stock
03 Jul 2018	Form 3: McBrayer Brett, Director No securities owned
10 Aug 2017	Form 3: Whitty Ann, Director No securities owned
10 Aug 2017	Form 3: Fessenden Elizabeth Anne, Director No securities owned
10 Aug 2017	Form 3: Zatawski Keith, Chief Risk Officer Holds 1,606 shares of Common Stock
11 May 2017	Form 3: Clutterbuck Timothy, President of ASW Steel Inc No securities owned
01 Sep 2016	Form 3: Gamco INVESTORS, Inc. Et Al, 10% owner and 3 others Holds 12,000 shares of Common Stock
27 Apr 2016	Form 3: McAuley Michael G, CFO & Treasurer No securities owned
06 Apr 2016	Form 3: Scagline Rodney, President of Union Electric
01 Apr 2016	Form 3: Stromholm Fredrik, Director No securities owned
01 Apr 2016	Form 3: Altor Holdings Ltd, 10% owner and 1 other Holds 1,017,441 shares of Common Stock

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