Financial reports
10-K
2023 FY
Annual report
26 Feb 24
10-Q
2023 Q3
Quarterly report
6 Nov 23
10-Q
2023 Q2
Quarterly report
7 Aug 23
10-Q
2023 Q1
Quarterly report
8 May 23
10-K
2022 FY
Annual report
27 Feb 23
10-Q
2022 Q3
Quarterly report
7 Nov 22
10-Q
2022 Q2
Quarterly report
8 Aug 22
10-Q
2022 Q1
Quarterly report
2 May 22
10-K
2021 FY
Annual report
28 Feb 22
10-Q
2021 Q3
Quarterly report
8 Nov 21
Current reports
8-K
Amendments to Articles of Incorporation or Bylaws
5 Oct 23
8-K
Entry into a Material Definitive Agreement
9 Jun 23
8-K
Entry into a Material Definitive Agreement
7 Jun 22
8-K
Entry into a Material Definitive Agreement
8 Dec 21
8-K
Entry into a Material Definitive Agreement
6 Apr 21
8-K
Amendments to Articles of Incorporation or Bylaws
4 Jan 21
8-K
Entry into a Material Definitive Agreement
13 Apr 20
8-K
Entry into a Material Definitive Agreement
24 Jul 19
8-K
Entry into a Material Definitive Agreement
2 Aug 18
8-K
Entry into a Material Definitive Agreement
5 Mar 18
Registration and prospectus
424B2
Prospectus for primary offering
6 Jun 23
FWP
Free writing prospectus
5 Jun 23
424B5
Prospectus supplement for primary offering
5 Jun 23
424B2
Prospectus for primary offering
1 Jun 22
FWP
Free writing prospectus
31 May 22
424B5
Prospectus supplement for primary offering
31 May 22
S-3ASR
Automatic shelf registration
6 May 22
424B2
Prospectus for primary offering
30 Nov 21
FWP
Free writing prospectus
29 Nov 21
424B5
Prospectus supplement for primary offering
29 Nov 21
Proxies
DEFM14A
Proxy related to merger
23 Dec 09
DEF 14A
Definitive proxy
16 Mar 09
DEF 14A
Definitive proxy
17 Mar 08
DEF 14A
Definitive proxy
14 Mar 07
DEF 14A
Definitive proxy
16 Mar 06
DEF 14A
Definitive proxy
14 Mar 05
DEF 14A
Definitive proxy
15 Mar 04
DEFA14A
Additional proxy soliciting materials
11 Mar 03
DEF 14A
Definitive proxy
11 Mar 03
DEF 14A
Definitive proxy
11 Mar 02
Other
SD
Conflict minerals disclosure
31 May 23
SD
Conflict minerals disclosure
27 May 22
SD
Conflict minerals disclosure
28 May 21
SD
Conflict minerals disclosure
29 May 20
SD
Conflict minerals disclosure
22 May 19
SD
Conflict minerals disclosure
22 May 18
SD
Conflict minerals disclosure
31 May 17
IRAN
Disclosure regarding Iran Threat Reduction and Syria Human Rights Act
6 May 16
UPLOAD
Letter from SEC
22 Jun 10
CORRESP
Correspondence with SEC
26 May 10
Ownership
SC 13D/A
BERKSHIRE HATHAWAY INC
16 Feb 10
11-K
Annual report of employee stock purchases
30 Jun 09
11-K
Annual report of employee stock purchases
30 Jun 09
11-K
Annual report of employee stock purchases
30 Jun 09
11-K
Annual report of employee stock purchases
30 Jun 08
11-K
Annual report of employee stock purchases
30 Jun 08
11-K
Annual report of employee stock purchases
30 Jun 08
11-K
Annual report of employee stock purchases
29 Jun 07
11-K
Annual report of employee stock purchases
29 Jun 07
11-K
Annual report of employee stock purchases
29 Jun 07