Financial reports
10-K/A
2013 FY
Annual report (amended)
23 Apr 14
10-K
2013 FY
Annual report
7 Mar 14
10-Q
2013 Q3
Quarterly report
23 Oct 13
10-Q
2013 Q2
Quarterly report
24 Jul 13
10-Q
2013 Q1
Quarterly report
24 Apr 13
10-K
2012 FY
Annual report
22 Feb 13
10-Q
2012 Q3
Quarterly report
24 Oct 12
10-Q
2012 Q2
Quarterly report
25 Jul 12
ARS
2011 FY
Annual report to shareholders
1 May 12
10-Q
2012 Q1
Quarterly report
25 Apr 12
Current reports
8-K
Completion of Acquisition or Disposition of Assets
1 May 14
8-K
ATMI Shareholders Overwhelmingly Approve Merger with Entegris
15 Apr 14
8-K
Regulation FD Disclosure
11 Mar 14
8-K
Unaudited Pro Forma Condensed Consolidated Financial Statements
21 Feb 14
8-K
ATMI Completes Sale of LifeSciences Business to Pall Corporation
20 Feb 14
8-K
Entry into a Material Definitive Agreement
4 Feb 14
8-K
Atmi Reports Financial Results for the Fourth Quarter of 2013
4 Feb 14
8-K
Entry into a Material Definitive Agreement
23 Dec 13
8-K
Other Events
1 Nov 13
8-K
Results of Operations and Financial Condition
23 Oct 13
Registration and prospectus
15-12B
Securities registration termination
12 May 14
25-NSE
Exchange delisting
30 Apr 14
POS AM
Prospectus update (post-effective amendment)
30 Apr 14
POS AM
Prospectus update (post-effective amendment)
30 Apr 14
POS AM
Prospectus update (post-effective amendment)
30 Apr 14
POS AM
Prospectus update (post-effective amendment)
30 Apr 14
POS AM
Prospectus update (post-effective amendment)
30 Apr 14
S-8 POS
Registration of securities for employees (post-effective amendment)
30 Apr 14
S-8 POS
Registration of securities for employees (post-effective amendment)
30 Apr 14
S-8 POS
Registration of securities for employees (post-effective amendment)
30 Apr 14
Proxies
DEFM14A
Proxy related to merger
12 Mar 14
PREM14A
Preliminary proxy related to merger
25 Feb 14
DEFA14A
Additional proxy soliciting materials
12 Feb 14
DEFA14A
Additional proxy soliciting materials
5 Feb 14
DEFA14A
Additional proxy soliciting materials
5 Feb 14
DEFA14A
Additional proxy soliciting materials
5 Feb 14
DEFA14A
Additional proxy soliciting materials
5 Feb 14
DEFA14A
Additional proxy soliciting materials
4 Feb 14
DEFA14A
Additional proxy soliciting materials
4 Feb 14
DEFA14A
Additional proxy soliciting materials
4 Feb 14
Other
EFFECT
Notice of effectiveness
2 May 14
EFFECT
Notice of effectiveness
2 May 14
EFFECT
Notice of effectiveness
2 May 14
EFFECT
Notice of effectiveness
2 May 14
EFFECT
Notice of effectiveness
2 May 14
UPLOAD
Letter from SEC
2 Oct 13
CORRESP
Correspondence with SEC
26 Sep 13
UPLOAD
Letter from SEC
17 Sep 13
CORRESP
Correspondence with SEC
9 Sep 13
UPLOAD
Letter from SEC
27 Aug 13