529 filings
Page 6 of 27
8-K
966 uj3h9
5 May 22
ADTRAN, Inc. Reports Earnings for the First Quarter of 2022 and Declares Quarterly Cash Dividend
7:30am
8-K
djd6nex0
6 Apr 22
Entry into a Material Definitive Agreement
4:30pm
DEFA14A
3a5ec
29 Mar 22
Additional proxy soliciting materials
8:03am
425
k2e poa80cxdk1g94vo9
17 Feb 22
Business combination disclosure
2:31pm
425
30y5yjvph5kacs
17 Feb 22
Business combination disclosure
1:59pm
8-K
lhe3t2on5
3 Feb 22
ADTRAN, Inc. Reports Earnings for the Fourth Quarter of 2021 and Declares Quarterly Cash Dividend
7:00am
425
04gpvvokn66eb urye
31 Jan 22
Business combination disclosure
12:00am
425
ufm850 0spx8k
31 Jan 22
Business combination disclosure
12:00am
425
bozn5k
31 Jan 22
Business combination disclosure
12:00am
425
0tvaef11pzgns 58tt
26 Jan 22
Business combination disclosure
12:50pm
425
1hpyt
25 Jan 22
Business combination disclosure
5:23pm
425
ow0qfznxv
25 Jan 22
Business combination disclosure
5:20pm
425
gwi9zp
25 Jan 22
Business combination disclosure
12:16pm
425
1h77erzo74 gyct5i
24 Jan 22
Business combination disclosure
4:29pm
425
hhnuc6
24 Jan 22
Business combination disclosure
1:39pm
425
ll2u4ra3f29 513h
24 Jan 22
Business combination disclosure
1:37pm
425
4eg34ydpeayipb43a
21 Jan 22
Business combination disclosure
4:14pm