424B3

CZNC Citizens & Northern Corp

1 May 20

Prospectus supplement

S-4/A

CZNC Citizens & Northern Corp

20 Apr 20

Registration of securities issued in business combination transactions (amended)

S-4

CZNC Citizens & Northern Corp

7 Apr 20

Registration of securities issued in business combination transactions

425

CZNC Citizens & Northern Corp

18 Dec 19

Business combination disclosure

S-4/A

CZNC Citizens & Northern Corp

1 Feb 19

Registration of securities issued in business combination transactions (amended)

S-4

CZNC Citizens & Northern Corp

10 Jan 19

Registration of securities issued in business combination transactions

425

CZNC Citizens & Northern Corp

28 Sep 18

Business combination disclosure

424B5

CZNC Citizens & Northern Corp

25 Nov 09

Prospectus supplement for primary offering

424B5

CZNC Citizens & Northern Corp

12 Nov 09

Prospectus supplement for primary offering

FWP

CZNC Citizens & Northern Corp

12 Nov 09

Free writing prospectus

S-3/A

CZNC Citizens & Northern Corp

16 Oct 09

Shelf registration (amended)

S-3

CZNC Citizens & Northern Corp

2 Oct 09

Shelf registration

S-3/A

CZNC Citizens & Northern Corp

23 Mar 09

Shelf registration (amended)

S-3

CZNC Citizens & Northern Corp

13 Feb 09

Shelf registration

S-8

CZNC Citizens & Northern Corp

30 Apr 08

Registration of securities for employees

POS AM

CZNC Citizens & Northern Corp

23 May 07

Prospectus update (post-effective amendment)

425

CZNC Citizens & Northern Corp

16 Apr 07

Business combination disclosure

S-4/A

CZNC Citizens & Northern Corp

6 Mar 07

Registration of securities issued in business combination transactions (amended)

S-4

CZNC Citizens & Northern Corp

12 Feb 07

Registration of securities issued in business combination transactions

425

CZNC Citizens & Northern Corp

21 Dec 06

Business combination disclosure