Latest filings (excl ownership)
15-12B
Securities registration termination
12 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
EFFECT
Notice of effectiveness
2 May 14
8-K
Completion of Acquisition or Disposition of Assets
1 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
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
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
10-K/A
2013 FY
Annual report (amended)
23 Apr 14
8-K
ATMI Shareholders Overwhelmingly Approve Merger with Entegris
15 Apr 14
DEFM14A
Proxy related to merger
12 Mar 14
8-K
Regulation FD Disclosure
11 Mar 14
10-K
2013 FY
Annual report
7 Mar 14
PREM14A
Preliminary proxy related to merger
25 Feb 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
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
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
DEFA14A
Additional proxy soliciting materials
4 Feb 14
DEFA14A
Additional proxy soliciting materials
4 Feb 14
DEFA14A
Additional proxy soliciting materials
4 Feb 14
8-K
Entry into a Material Definitive Agreement
23 Dec 13
Latest ownership filings
SC 13D/A
Atmi Inc
1 May 14
SC 13G/A
Atmi Inc
10 Mar 14
SC 13G/A
Atmi Inc
6 Mar 14
SC 13G/A
INTERMOLECULAR INC
25 Feb 14
SC 13G
Atmi Inc
14 Feb 14
SC 13D
Atmi Inc
13 Feb 14
SC 13G/A
Atmi Inc
11 Feb 14
SC 13G/A
Atmi Inc
7 Feb 14
SC 13G/A
Atmi Inc
7 Feb 14
SC 13G/A
Atmi Inc
6 Feb 14
SC 13G/A
Atmi Inc
28 Jan 14
SC 13G/A
Atmi Inc
28 Jan 14
SC 13G/A
Atmi Inc
6 Jan 14