COPT Defense Properties
US ˙ NYSE

SecurityCDP / COPT Defense Properties
InsiderLisa G Trimberger
This page shows the track record and history of Trimberger Lisa G insider trades in COPT Defense Properties. 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 Lisa G Trimberger in CDP / COPT Defense Properties. 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 (%)
2018-12-13 2,000 23.1574 2,000 23.1574 46,315 315 30.1300 13,946 30.11
2018-02-13 3,000 25.4000 3,000 25.4000 76,200
2017-11-30 3,000 30.3900 3,000 30.3900 91,170

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

CDP / COPT Defense Properties 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 Lisa G Trimberger in CDP / COPT Defense Properties. 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 (%)
2025-09-17 4,896 30.7200 4,896 30.7200 150,405 2 30.4000 -1,567 -1.04
2025-09-17 3,000 30.5200 3,000 30.5200 91,560
2023-12-20 7,357 25.4783 7,357 25.4783 187,444
2021-05-03 5,000 28.0468 5,000 28.0468 140,234

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

CDP / COPT Defense Properties 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
2025-09-18 2025-09-17 4 Trimberger Lisa G CDP Common Shares S - Sale I 30.5200 -3,000 -92 0
2025-09-18 2025-09-17 4 Trimberger Lisa G CDP Common Shares S - Sale D 30.7200 -4,896 -150 20,287
2025-05-22 2025-05-20 4 Trimberger Lisa G CDP Common Shares A - Award D 3,922 25,183
2024-05-13 2024-05-09 4 Trimberger Lisa G CDP Common Shares A - Award D 4,398 21,261
2023-12-20 2023-12-20 4 Trimberger Lisa G CDP Common Shares S - Sale D 25.4783 -7,357 -187 16,863
2023-05-15 2023-05-11 4 Trimberger Lisa G OFC Common Shares A - Award D 4,523 24,220
2022-05-16 2022-05-12 4 Trimberger Lisa G OFC Common Shares A - Award D 3,941 19,697
2021-05-17 2021-05-13 4 Trimberger Lisa G OFC Common shares A - Award D 3,416 15,756
2021-05-05 2021-05-03 4 Trimberger Lisa G OFC Common Shares S - Sale I 28.0468 -5,000 -140 0
2020-05-26 2020-05-21 4 Trimberger Lisa G OFC Common shares A - Award D 3,986 20,340
2019-05-13 2019-05-09 4 Trimberger Lisa G OFC Common shares A - Award D 3,432 16,354
2018-12-17 2018-12-13 4 Trimberger Lisa G OFC Common shares P - Purchase I 23.1574 2,000 46 2,000
2018-05-14 2018-05-10 4 Trimberger Lisa G OFC Common shares A - Award D 3,458 10,922
2018-02-13 2018-02-13 4 Trimberger Lisa G OFC Common shares P - Purchase I 25.4000 3,000 76 6,000
2017-12-04 2017-11-30 4 Trimberger Lisa G OFC Common shares P - Purchase I 30.3900 3,000 91 3,000
2017-10-04 2017-10-02 4 Trimberger Lisa G OFC Restricted Common shares A - Award D 1,464 1,464
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)