15 filings
SC 13G/A
Dimensional Fund Advisors LP
5 Feb 15
Zygo Corp
12:00am
SC 13D/A
Gamco Investors Inc
23 Jun 14
Zygo Corp
12:00am
SC 13D/A
Gamco Investors Inc
2 Jun 14
Zygo Corp
12:00am
SC 13D/A
Gamco Investors Inc
2 May 14
Zygo Corp
12:00am
SC 13D
ZIGO
Zygo Corp
24 Apr 14
Zygo Corp
12:00am
SC 13D/A
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16 Apr 14
Zygo Corp
12:00am
SC 13G/A
kolof2 p9
10 Feb 14
Zygo Corp
12:00am
SC 13G/A
9ve9z7gzplz76 yuuz9i
10 Feb 14
Zygo Corp
12:00am
SC 13G/A
5exq4gqp6p9o4yko8
31 Jan 14
Zygo Corp
12:00am
SC 13D/A
pkj31l y2ws
15 Jul 13
Zygo Corp
12:00am
SC 13D/A
0ris djn2bxu
11 Sep 12
ZYGO / GAMCO INVESTORS, INC. ET AL ownership change
12:00am
SC 13D
i992herc5tqs
20 Dec 10
ZYGO / GAMCO INVESTORS, INC. ET AL ownership change
12:00am
SC 13D/A
7s6a 2htu
27 Aug 10
ZYGO / MAK CAPITAL ONE ownership change
12:00am
SC 13D/A
6y93codde2aug1x19
9 Apr 10
ZYGO / MAK CAPITAL ONE ownership change
12:00am
SC 13D
3se8yhh 1d1
8 Mar 10
ZYGO / MAK CAPITAL ONE ownership change
12:00am
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