Berkshire Hathaway Cl B (BRK.B): Congress and insider trades
Who in Congress and inside the company traded BRK.B, when each filing appeared, and what buying after each one would have earned against the S&P 500.
Key Facts
- Berkshire Hathaway Cl B (BRK.B) is a listed stock on NYSE.
- 37 members of Congress filed 109 buys and 113 sells of BRK.B, the latest published 2026-09-10 (10 September 2026).
- Insiders filed 5 open market buys worth $137M and 2 sells worth $219M, the latest filed 2026-09-25 (25 September 2026).
- Across 60 scored buys, Congress averaged +0.4% against the S&P 500 (SPY) over the 90 days after disclosure, with 52% of them ahead of the index. That result is not distinguishable from luck.
- Across 1 scored buy, Insiders averaged +3.7% against the S&P 500 (SPY) over the 90 days after disclosure, with 100% of them ahead of the index. That result is too few trades to tell.
- Data as of 2026-09-29 (29 September 2026).
Congress buys 109 37 members
Congress sells 113
Insider buys 5 $137M
Insider sells 2 $219M
Congress buys vs S&P, 90d +0.4% 60 scored buys
Insider buys vs S&P, 90d +3.7% 1 scored buys
Congress trades in BRK.B
as of 2026-09-10 Showing the latest 100 of 222.
| Filed | Member | Type | Size | Days to file | 90 day vs S&P |
|---|---|---|---|---|---|
| 10 Sep 2026 | Maria Elvira Salazar (R-FL) | buy | 1K–15K | 33 | n/a |
| 17 Aug 2026 | Rich McCormick (R-GA) | buy | 1K–15K | 15 | n/a |
| 12 Aug 2026 | Ro Khanna (D-CA) | buy | 15K–50K | 31 | n/a |
| 10 Aug 2026 | Maria Elvira Salazar (R-FL) | buy | 1K–15K | 10 | n/a |
| 10 Aug 2026 | Maria Elvira Salazar (R-FL) | buy | 15K–50K | 10 | n/a |
| 21 Jul 2026 | Alan Armstrong (R-OK) | buy | 50K–100K | 116 | n/a |
| 21 Jul 2026 | Jerry Moran (R-KS) | buy | 15K–50K | 28 | n/a |
| 8 Jul 2026 | Ro Khanna (D-CA) | sell | 50K–100K | 34 | n/a |
| 8 Jul 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 13 | n/a |
| 8 Jul 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 13 | n/a |
| 25 Jun 2026 | Jerry Moran (R-KS) | buy | 1K–15K | 29 | -4.2% |
| 25 Jun 2026 | Jerry Moran (R-KS) | buy | 1K–15K | 29 | -4.2% |
| 11 Jun 2026 | Ro Khanna (D-CA) | buy | 15K–50K | 13 | +1.2% |
| 11 Jun 2026 | Ro Khanna (D-CA) | buy | 15K–50K | 39 | +1.2% |
| 4 Jun 2026 | Josh Gottheimer (D-NJ) | sell | 1K–15K | 30 | n/a |
| 2 Jun 2026 | Christian Menefee (D-TX) | sell | 15K–50K | 111 | n/a |
| 2 Jun 2026 | Christian Menefee (D-TX) | sell | 1K–15K | 111 | n/a |
| 2 Jun 2026 | Christian Menefee (D-TX) | sell | 15K–50K | 111 | n/a |
| 13 May 2026 | Ro Khanna (D-CA) | buy | 15K–50K | 28 | +1.8% |
| 13 May 2026 | Ro Khanna (D-CA) | buy | 15K–50K | 17 | +1.8% |
| 16 Apr 2026 | August Pfluger (R-TX) | buy | 15K–50K | 33 | -2.1% |
| 9 Apr 2026 | Ro Khanna (D-CA) | sell | 50K–100K | 8 | n/a |
| 9 Apr 2026 | Ro Khanna (D-CA) | sell | 15K–50K | 28 | n/a |
| 9 Apr 2026 | Ro Khanna (D-CA) | sell | 15K–50K | 15 | n/a |
| 8 Apr 2026 | Gil Cisneros (D-CA) | sell | 1K–15K | 22 | n/a |
| 8 Apr 2026 | Gil Cisneros (D-CA) | sell | 1K–15K | 13 | n/a |
| 2 Apr 2026 | Tina Smith (D-MN) | sell | 100K–250K | 2 | n/a |
| 1 Apr 2026 | Mark Alford (R-MO) | sell | 1K–15K | 15 | n/a |
| 12 Mar 2026 | Ro Khanna (D-CA) | sell | 15K–50K | 20 | n/a |
| 12 Mar 2026 | Ro Khanna (D-CA) | buy | 15K–50K | 32 | -12.6% |
| 12 Mar 2026 | Ro Khanna (D-CA) | buy | 50K–100K | 13 | -12.6% |
| 12 Mar 2026 | Ro Khanna (D-CA) | buy | 1K–15K | 31 | -12.6% |
| 30 Jan 2026 | Tina Smith (D-MN) | sell | 100K–250K | 3 | n/a |
| 13 Jan 2026 | Gil Cisneros (D-CA) | sell | 1K–15K | 19 | n/a |
| 22 Dec 2025 | Rob Bresnahan (R-PA) | buy | 1K–15K | 30 | +0.4% |
| 22 Dec 2025 | Rob Bresnahan (R-PA) | buy | 15K–50K | 30 | +0.4% |
| 22 Dec 2025 | Rob Bresnahan (R-PA) | buy | 50K–100K | 30 | +0.4% |
| 22 Dec 2025 | Rob Bresnahan (R-PA) | sell | 50K–100K | 30 | n/a |
| 16 Dec 2025 | Gil Cisneros (D-CA) | buy | 1K–15K | 27 | -2.5% |
| 10 Dec 2025 | Rich McCormick (R-GA) | buy | 1K–15K | 34 | +1.1% |
| 15 May 2025 | Ro Khanna (D-CA) | buy | 1K–15K | 19 | -15.7% |
| 15 May 2025 | Ro Khanna (D-CA) | buy | 1K–15K | 38 | -15.7% |
| 15 May 2025 | Ro Khanna (D-CA) | buy | 1K–15K | 38 | -15.7% |
| 15 May 2025 | Josh Gottheimer (D-NJ) | sell | 1K–15K | 35 | n/a |
| 15 May 2025 | Ro Khanna (D-CA) | sell | 1K–15K | 25 | n/a |
| 15 May 2025 | Ro Khanna (D-CA) | sell | 1K–15K | 25 | n/a |
| 15 May 2025 | Ro Khanna (D-CA) | sell | 1K–15K | 31 | n/a |
| 15 May 2025 | Josh Gottheimer (D-NJ) | sell | 1K–15K | 43 | n/a |
| 15 May 2025 | Ro Khanna (D-CA) | buy | 15K–50K | 27 | -15.7% |
| 10 Nov 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 37 | -0.5% |
| 10 Nov 2023 | Ro Khanna (D-CA) | buy | 15K–50K | 29 | -0.5% |
| 9 Nov 2023 | Greg Stanton (D-AZ) | sell | 1K–15K | 16 | n/a |
| 9 Nov 2023 | Greg Stanton (D-AZ) | buy | 1K–15K | 44 | -0.2% |
| 1 Nov 2023 | Markwayne Mullin (R-OK) | buy | 1K–15K | 29 | -2.6% |
| 20 Oct 2023 | Pete Ricketts (R-NE) | sell | 100K–250K | 29 | n/a |
| 13 Oct 2023 | Scott Franklin (R-FL) | sell | 15K–50K | 31 | n/a |
| 12 Oct 2023 | Markwayne Mullin (R-OK) | buy | 15K–50K | 29 | -5.6% |
| 9 Oct 2023 | Ro Khanna (D-CA) | sell | 1K–15K | 30 | n/a |
| 7 Sep 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 34 | -6.1% |
| 7 Sep 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 8 | -6.1% |
| 6 Sep 2023 | Michael Burgess (R-TX) | sell | 15K–50K | 23 | n/a |
| 19 Jul 2023 | Michael Burgess (R-TX) | buy | 1K–15K | 12 | +2.9% |
| 12 Jul 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 12 | +4.0% |
| 14 Jun 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 24 | +7.0% |
| 14 Jun 2023 | Ro Khanna (D-CA) | sell | 50K–100K | 20 | n/a |
| 14 Jun 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 20 | +7.0% |
| 7 Jun 2023 | Zoe Lofgren (D-CA) | sell | 1K–15K | 12 | n/a |
| 11 May 2023 | John Curtis (R-UT) | buy | 1K–15K | 14 | +2.0% |
| 10 May 2023 | Ro Khanna (D-CA) | sell | 50K–100K | 28 | n/a |
| 10 May 2023 | Ro Khanna (D-CA) | sell | 1K–15K | 28 | n/a |
| 12 Apr 2023 | Ro Khanna (D-CA) | buy | 15K–50K | 14 | +0.3% |
| 12 Apr 2023 | Ro Khanna (D-CA) | sell | 15K–50K | 24 | n/a |
| 6 Apr 2023 | Earl Blumenauer (D-OR) | sell | 15K–50K | 21 | n/a |
| 28 Mar 2023 | John Curtis (R-UT) | buy | 1K–15K | 11 | +0.8% |
| 21 Mar 2023 | Daniel S. Goldman (D-NY) | sell | 1K–15K | 45 | n/a |
| 10 Mar 2023 | Ro Khanna (D-CA) | sell | 1K–15K | 22 | n/a |
| 10 Mar 2023 | Ro Khanna (D-CA) | sell | 1K–15K | 26 | n/a |
| 10 Mar 2023 | Ro Khanna (D-CA) | sell | 1K–15K | 26 | n/a |
| 8 Mar 2023 | Scott Franklin (R-FL) | sell | 50K–100K | 20 | n/a |
| 8 Mar 2023 | Scott Franklin (R-FL) | sell | 15K–50K | 14 | n/a |
| 9 Feb 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 27 | +2.7% |
| 9 Feb 2023 | Ro Khanna (D-CA) | buy | 1K–15K | 29 | +2.7% |
| 23 Jan 2023 | Chris Jacobs (R-NY) | buy | 1K–15K | 39 | +1.2% |
| 4 Jan 2023 | Ro Khanna (D-CA) | buy | 15K–50K | 28 | -8.7% |
| 4 Jan 2023 | Ro Khanna (D-CA) | sell | 15K–50K | 28 | n/a |
| 13 Dec 2022 | Chris Jacobs (R-NY) | buy | 1K–15K | 34 | +0.2% |
| 7 Dec 2022 | Ro Khanna (D-CA) | sell | 50K–100K | 33 | n/a |
| 7 Dec 2022 | Ro Khanna (D-CA) | buy | 15K–50K | 34 | +0.6% |
| 17 Nov 2022 | Ro Khanna (D-CA) | sell | 1K–15K | 21 | n/a |
| 17 Nov 2022 | Ro Khanna (D-CA) | sell | 1K–15K | 21 | n/a |
| 11 Nov 2022 | Kathy Manning (D-NC) | sell | 1K–15K | 29 | n/a |
| 14 Oct 2022 | Michael McCaul (R-TX) | sell | 100K–250K | 41 | n/a |
| 14 Oct 2022 | Michael McCaul (R-TX) | sell | 100K–250K | 41 | n/a |
| 12 Oct 2022 | Ro Khanna (D-CA) | buy | 1K–15K | 8 | +7.6% |
| 12 Oct 2022 | Ro Khanna (D-CA) | sell | 15K–50K | 32 | n/a |
| 12 Oct 2022 | Ro Khanna (D-CA) | buy | 50K–100K | 29 | +7.6% |
| 15 Sep 2022 | Kathy Manning (D-NC) | buy | 1K–15K | 40 | +8.8% |
| 9 Sep 2022 | Ro Khanna (D-CA) | sell | 50K–100K | 16 | n/a |
| 9 Sep 2022 | Ro Khanna (D-CA) | buy | 15K–50K | 38 | +10.1% |
| 12 Aug 2022 | Ro Khanna (D-CA) | buy | 15K–50K | 21 | +9.0% |
Nothing matches that search.
Insider trades in BRK.B
as of 2026-09-25| Filed | Insider | Type | Shares | Price | Value | 90 day vs S&P |
|---|---|---|---|---|---|---|
| 25 Sep 2026 | BERKSHIRE HATHAWAY INC | buy | 653,320 | $80.88 | $53M | n/a |
| 25 Sep 2026 | BERKSHIRE HATHAWAY INC | buy | 534,256 | $81.65 | $44M | n/a |
| 25 Sep 2026 | BERKSHIRE HATHAWAY INC | buy | 492,124 | $81.12 | $40M | n/a |
| 13 Aug 2026 | O'Sullivan Michael J. | buy | 488 | $512.44 | $250K | n/a |
| 4 Aug 2026 | BERKSHIRE HATHAWAY INC | sell | 182,980 | $199.55 | $37M | n/a |
| 6 May 2026 | O'Sullivan Michael J. | buy | 536 | $467.44 | $251K | +3.7% |
| 5 May 2026 | BERKSHIRE HATHAWAY INC | sell | 1,220,376 | $149.84 | $183M | n/a |
Nothing matches that search.
Related pages
Frequently asked questions
Who has bought BRK.B?
109 Congress buys by 37 members and 5 insider buys are on file. The tables on this page list every one.
Did buying BRK.B after a disclosure beat the market?
Across 60 scored buys, Congress averaged +0.4% against the S&P 500 (SPY) over the 90 days after disclosure, with 52% of them ahead of the index. That result is not distinguishable from luck. Across 1 scored buy, Insiders averaged +3.7% against the S&P 500 (SPY) over the 90 days after disclosure, with 100% of them ahead of the index. That result is too few trades to tell. A single stock is a small sample.
Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.
Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.