Skip to content

Insider · CIK 0001269365

Charlotte Guyman

director

Files at BRK-B (BERKSHIRE HATHAWAY INC). First filing -, latest -.

In brief

Charlotte Guyman files SEC Form 4 as director at BRK-B (BERKSHIRE HATHAWAY INC). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.

A track record needs three past buys with six months of prices behind them; Charlotte Guyman has 0, so none is measured yet.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 0
$0 bought, $0 sold

Signals

This insider’s open-market buys and sells, scored.

No scored open-market trades yet.

Planned sales

Form 144 notices this insider filed before selling restricted or control stock, newest first.

FiledCompanySharesValueSale datePast 3 months
Dec 26, 2024 BRK-B
BERKSHIRE HATHAWAY INC
1
0.00% of outstanding
$675Dec 26, 2024none

Transactions

Every row this insider has filed, 21 in all, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
May 14, 2026BRK-B
BERKSHIRE HATHAWAY INC
GGift
Class B Common Stock
-574$0.00$02,888May 18, 2026
Nov 3, 2025BRK-B
BERKSHIRE HATHAWAY INC
CConversion
Class B Common Stock
+1,500$0.00$03,872Nov 5, 2025
Nov 3, 2025BRK-B
BERKSHIRE HATHAWAY INC
GGift
Class B Common Stock
-410$0.00$03,462Nov 5, 2025
Nov 3, 2025BRK-B
BERKSHIRE HATHAWAY INC
CConversion
Class A Common Stockderivative
-1--54Nov 5, 2025
Mar 19, 2025BRK-B
BERKSHIRE HATHAWAY INC
GGift
Class B Common Stock
-1,000$0.00$02,372Mar 21, 2025
Dec 31, 2024BRK-B
BERKSHIRE HATHAWAY INC
SOpen-market sale
Class A Common Stockderivative
-1$678,064.00$678k55Jan 3, 2025
Dec 24, 2024BRK-B
BERKSHIRE HATHAWAY INC
GGift
Class B Common Stock
-247$0.00$03,372Dec 27, 2024
Dec 9, 2024BRK-B
BERKSHIRE HATHAWAY INC
GGift
Class B Common Stock
-84$0.00$03,871Dec 11, 2024
Dec 9, 2024BRK-B
BERKSHIRE HATHAWAY INC
GGift
Class B Common Stock
-84$0.00$03,787Dec 11, 2024
Dec 9, 2024BRK-B
BERKSHIRE HATHAWAY INC
GGift
Class B Common Stock
-84$0.00$03,703Dec 11, 2024
Dec 9, 2024BRK-B
BERKSHIRE HATHAWAY INC
GGift
Class B Common Stock
-84$0.00$03,619Dec 11, 2024
Nov 5, 2024BRK-B
BERKSHIRE HATHAWAY INC
CConversion
Class B Common Stock
+3,000$0.00$03,955Nov 7, 2024
Nov 5, 2024BRK-B
BERKSHIRE HATHAWAY INC
CConversion
Class A Common Stockderivative
-2$0.00$056Nov 7, 2024
Dec 14, 2023BRK-B
BERKSHIRE HATHAWAY INC
GGift
Class B Common Stock
-105$0.00$01,118Dec 18, 2023
Dec 14, 2023BRK-B
BERKSHIRE HATHAWAY INC
GGift
Class B Common Stock
-98$0.00$01,020Dec 18, 2023
Dec 14, 2023BRK-B
BERKSHIRE HATHAWAY INC
GGift
Class B Common Stock
-65$0.00$0955Dec 18, 2023
Oct 27, 2023BRK-B
BERKSHIRE HATHAWAY INC
CConversion
Class B Common Stock
+1,500$0.00$01,500Dec 14, 2023
Dec 12, 2023BRK-B
BERKSHIRE HATHAWAY INC
GGift
Class B Common Stock
-148$0.00$01,352Dec 14, 2023
Dec 12, 2023BRK-B
BERKSHIRE HATHAWAY INC
GGift
Class B Common Stock
-113$0.00$01,239Dec 14, 2023
Dec 12, 2023BRK-B
BERKSHIRE HATHAWAY INC
GGift
Class B Common Stock
-16$0.00$01,223Dec 14, 2023
Oct 27, 2023BRK-B
BERKSHIRE HATHAWAY INC
CConversion
Class A Common Stockderivative
-1$503,375.00$503k58Dec 14, 2023

Questions about Charlotte Guyman

Answered from the filings on this page, as of the latest one.

Is Charlotte Guyman buying or selling?

Charlotte Guyman has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.

How did Charlotte Guyman's past buys perform?

Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Charlotte Guyman has 0.

Where does Charlotte Guyman file Form 4?

Charlotte Guyman has filed Form 4 at BRK-B (BERKSHIRE HATHAWAY INC). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Charlotte Guyman: insider trades and track record | InsiderTell