TopBuild Corp.
US ˙ NYSE ˙ US89055F1030

SecurityBLD / TopBuild Corp.
InsiderTina Donikowski
This page shows the track record and history of Donikowski Tina insider trades in TopBuild Corp.. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company. It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean it is illegal for them to make any trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis

In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Tina Donikowski in BLD / TopBuild Corp.. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Max
Price at
Max
Max
Profit ($)
Max Return (%)
There are no known unplanned open-market trades for this insider

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

BLD / TopBuild Corp. Insider Trades
Insider Sales - Short Term Loss Analysis

In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Tina Donikowski in BLD / TopBuild Corp.. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Min
Price at
Min
Max Loss
Avoided ($)
Max Loss
Avoided (%)
2025-08-27 370 427.8900 370 427.8900 158,319 26 402.6900 -9,324 -5.89
2024-05-15 640 436.1100 640 436.1100 279,110
2023-05-08 1,480 212.1300 1,480 212.1300 313,952
2021-03-05 700 190.8400 700 190.8400 133,588

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

BLD / TopBuild Corp. Insider Trades
Insider Transaction History
File
Date
Trade
Date
Form Insider Ticker Security Title Code 10b5-1 Direct Exercise
Price
Unit
Price
Units
Changed
Value
Changed (1K)
Remaining
Options
Remaining
Shares
2025-09-03 2025-09-02 4 Donikowski Tina BLD Common Stock G - Gift D -465 3,780
2025-08-29 2025-08-27 4 Donikowski Tina BLD Common Stock S - Sale D 427.8900 -370 -158 4,245
2025-04-29 2025-04-28 4 Donikowski Tina BLD Common Stock A - Award D 296.6500 515 153 4,615
2024-05-16 2024-05-15 4 Donikowski Tina BLD Common Stock S - Sale D 436.1100 -640 -279 4,100
2024-04-30 2024-04-29 4 Donikowski Tina BLD Common Stock A - Award D 414.1400 340 141 4,740
2023-05-10 2023-05-08 4 Donikowski Tina BLD Common Stock S - Sale D 212.1300 -1,480 -314 4,400
2023-05-03 2023-05-01 4 Donikowski Tina BLD Common Stock A - Award D 222.0700 640 142 5,880
2022-05-03 2022-05-02 4 Donikowski Tina BLD Common Stock A - Award D 185.2900 690 128 5,240
2021-05-04 2021-05-03 4 Donikowski Tina BLD Common Stock A - Award D 229.1000 560 128 4,550
2021-03-08 2021-03-05 4 Donikowski Tina BLD Common Stock S - Sale D 190.8400 -700 -134 3,990
2020-04-29 2020-04-27 4 Donikowski Tina BLD Common Stock A - Award D 1,480 4,690
2019-05-01 2019-04-29 4 Donikowski Tina BLD Common Stock A - Award D 1,700 3,210
2018-05-02 2018-04-30 4 Donikowski Tina BLD Common Stock A - Award D 1,510 1,510
P
Åbent marked eller privat køb af ikke-afledte eller afledte værdipapirer
S
Åbent marked eller privat salg af ikke-afledte eller afledte værdipapirer
A
Tildeling, tildeling eller anden erhvervelse af værdipapirer fra virksomheden (såsom en option)
C
Konvertering af derivat
D
Salg eller overførsel af værdipapirer tilbage til virksomheden
F
Betaling af udnyttelseskurs eller skatteforpligtelse ved brug af en del af værdipapirer modtaget fra selskabet
G
Gave af værdipapirer af eller til insideren
K
Aktieswaps og lignende sikringstransaktioner
M
Udnyttelse eller konvertering af afledt værdipapir modtaget fra virksomheden (såsom en option)
V
En transaktion rapporteret frivilligt på formular 4
J
Andet (ledsaget af en fodnote, der beskriver transaktionen)