CDP director granted 3,803 restricted shares

Trimberger Lisa G reported acquisition or exercise transactions in this Form 4 filing.

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Form Type

Rhea-AI Filing Summary

Trimberger Lisa G reported acquisition or exercise transactions in this Form 4 filing.

COPT Defense Properties director Lisa G. Trimberger received a grant of 3,803 common shares as part of annual trustee compensation. These restricted shares were awarded on May 14, 2026 at no cash price and will vest in one year from the grant. Following this award, she directly holds 24,090 common shares, reflecting routine, compensation-related equity rather than an open-market purchase or sale.

Insider Trade Summary

Grant/Award: 3,803 shares

Grant/Award 1 txn

Insider Trimberger Lisa G

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Shares	3,803	$0.00	$0.00

Holdings After Transaction: Common Shares — 24,090 shares (Direct)

Footnotes (1)

F1. These restricted shares were granted as part of annual trustee compensation and will vest in one year from the grant.

Key Figures

Restricted share grant: 3,803 shares Total shares after transaction: 24,090 shares Grant price per share: $0.00 per share

3 metrics

Restricted share grant 3,803 shares Annual trustee compensation grant on May 14, 2026

Total shares after transaction 24,090 shares Director’s direct holdings following the grant

Grant price per share $0.00 per share Non-cash equity award under compensation program

Key Terms

restricted shares, annual trustee compensation, vest, Form 4

4 terms

restricted shares financial

"These restricted shares were granted as part of annual trustee compensation"

Restricted shares are company stock that cannot be sold or transferred immediately because they are subject to legal or contractual limits, such as a required holding period or performance conditions. They matter to investors because these locked-up shares can affect a company’s available stock for trading, future dilution, and insider incentives—imagine a gift that can’t be cashed until certain conditions are met, which changes when and how much supply can suddenly enter the market.

annual trustee compensation financial

"These restricted shares were granted as part of annual trustee compensation"

vest financial

"and will vest in one year from the grant"

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did COPT Defense Properties (CDP) disclose in this Form 4 filing?

COPT Defense Properties reported that director Lisa G. Trimberger received 3,803 restricted common shares as part of annual trustee compensation. The grant is a routine, non-cash equity award rather than an open-market stock purchase or sale.

How many COPT Defense Properties shares were granted to Lisa G. Trimberger?

Lisa G. Trimberger was granted 3,803 restricted common shares of COPT Defense Properties. These shares were awarded as annual trustee compensation and increase her direct holdings to 24,090 common shares after the transaction reported in this Form 4.

Was the CDP director’s Form 4 transaction a stock purchase or sale?

The Form 4 shows an acquisition coded as a grant, not a market trade. Trimberger received 3,803 restricted shares at a reported price of $0.00 per share as part of annual trustee compensation, so no open-market buy or sell occurred.

When will the restricted CDP shares granted to the director vest?

The restricted shares granted to Lisa G. Trimberger will vest one year from the grant date. This means the 3,803 shares become fully owned over time as part of her annual trustee compensation, aligning her interests with COPT Defense Properties shareholders.

How many COPT Defense Properties shares does the director hold after this grant?

After the reported grant, Lisa G. Trimberger directly holds 24,090 common shares of COPT Defense Properties. This total includes the 3,803 restricted shares awarded as part of annual trustee compensation disclosed in the Form 4 filing.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/18/2026 - 05:16 PM EDT

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Trimberger Lisa G

(Last)

(First)

(Middle)

6711 COLUMBIA GATEWAY DRIVE

SUITE 300

(Street)

COLUMBIA

MARYLAND

21046

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
COPT DEFENSE PROPERTIES [ CDP ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/14/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Shares	05/14/2026		A		3,803	A	⁽¹⁾	24,090	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. These restricted shares were granted as part of annual trustee compensation and will vest in one year from the grant.

Remarks:

	/s/ David L. Finch by Power of Attorney	05/18/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR