Ajit Jain is Chairman at BERKSHIRE HATHAWAY INC (BRK.A). They have made 13 open-market trades across 1 company since 2018, most recently 2026-10-21.
CIK 0001728451
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
0 open-market purchases totalling $1.2M since 2018, against 13 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| BRK.A | 298 | $219.0M |
Shares reported on the most recent Form 4, priced at the 2026-10-23 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| BRK.A | SELL | 2026-09-28 | 2026-09-29 | $503.09 | $20.0M | N/A | — | — |
| BRK.A | SELL | 2025-08-08 | 2025-08-08 | $464.73 | $929K | +4.7% | +5.8% | +5.7% |
| BRK.A | SELL | 2023-08-08 | 2023-08-10 | $362.55 | $10.2M | -1.7% | +2.6% | -2.7% |
| BRK.A | SELL | 2023-03-02 | 2023-03-03 | $303.28 | $4.0M | -5.8% | -1.3% | +3.3% |
| BRK.A | SELL | 2022-11-29 | 2022-12-01 | $313.40 | $1.3M | -0.1% | -0.7% | -2.2% |
| BRK.A | SELL | 2022-09-01 | 2022-09-02 | $280.41 | $1.4M | -0.7% | -1.6% | +13.6% |
| BRK.A | SELL | 2022-07-28 | 2022-08-01 | $293.17 | $2.0M | -0.1% | -5.5% | -0.2% |
| BRK.A | SELL | 2022-06-24 | 2022-06-24 | $277.72 | $667K | -1.0% | +2.2% | -4.2% |
| BRK.A | SELL | 2021-10-29 | 2021-10-29 | $287.54 | $4.1M | -0.9% | -2.1% | +6.1% |
| BRK.A | SELL | 2021-05-04 | 2021-05-06 | $278.19 | $4.4M | -1.0% | -0.4% | -3.7% |
| BRK.A | SELL | 2020-09-30 | 2020-10-02 | $213.00 | $1.5M | -1.1% | -4.1% | +8.8% |
| BRK.A | SELL | 2020-07-01 | 2020-07-08 | $177.74 | $995K | +4.9% | +15.5% | +15.8% |
| BRK.A | SELL | 2018-11-07 | 2018-11-09 | $219.69 | $1.3M | -3.8% | -7.4% | -7.9% |
| BRK.A | BUY | 2018-05-10 | 2018-05-10 | $199.82 | $1.2M | -1.1% | -2.5% | +5.0% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.