Filing search / ADTRAN Holdings, Inc. / "Satisfaction" / Page 2

S-8

EX-5.1

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11 Jul 22

Registration of securities for employees

4:46pm

S-8

EX-5.1

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11 Jul 22

Registration of securities for employees

4:42pm

S-8

EX-4.1

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11 Jul 22

Registration of securities for employees

4:42pm

8-K12B

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11 Jul 22

Notification of registration of securities

3:55pm

425

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8 Jul 22

Business combination disclosure

12:31pm

8-K

EX-99.1

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8 Jul 22

Completion of Acquisition or Disposition of Assets

12:25pm

8-K

EX-10.2

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6 Apr 22

Entry into a Material Definitive Agreement

4:30pm

8-K

EX-10.1

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6 Apr 22

Entry into a Material Definitive Agreement

4:30pm

425

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13 Jan 22

Business combination disclosure

3:58pm

425

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13 Jan 22

Business combination disclosure

3:55pm

425

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17 Dec 21

Business combination disclosure

5:25pm

425

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17 Dec 21

Business combination disclosure

4:50pm

425

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17 Dec 21

Business combination disclosure

4:49pm

DEFM14A

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2 Dec 21

Proxy related to merger

4:42pm

425

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23 Nov 21

Business combination disclosure

5:27pm

425

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31 Aug 21

Business combination disclosure

8:54am

425

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31 Aug 21

Business combination disclosure

8:53am