PennyMac Mortgage (PMT) CIO Sebring Marshall reports 21,873-share stake

Rhea-AI Filing Summary

PennyMac Mortgage Investment Trust filed an initial ownership report for Chief Investment Officer Sebring Marshall. The filing shows Marshall has beneficial ownership of 21,873 Common Shares of Beneficial Interest, consisting of 20,644 restricted stock units and 1,299 common shares. The restricted stock units will convert into an equal number of common shares upon vesting.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Sebring Marshall

Role Chief Investment Officer

Type	Security	Shares	Price	Value
holding	Common Shares of Beneficial Interest	--	--	--

Holdings After Transaction: Common Shares of Beneficial Interest — 21,873 shares (Direct)

Footnotes (1)

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Understanding Insider Trading Forms →

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

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1. Name and Address of Reporting Person^*

Sebring Marshall

(Last) (First) (Middle)

C/O PENNYMAC MORTGAGE INVESTEMENT TRUST

3043 TOWNSGATE ROAD

(Street)

WESTLAKE VILLAGE CALIFORNIA 91361

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/09/2026

3. Issuer Name and Ticker or Trading Symbol
PennyMac Mortgage Investment Trust [ PMT ]

3a. Foreign Trading Symbol

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

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

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

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

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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Shares of Beneficial Interest	21,873(1)	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The reported amount consists of 20,644 restricted stock units and 1,299 shares of Common Shares of Beneficial Interest. The restricted stock units are to be settled in an equal number of shares of Common Shares of Beneficial Interest upon vesting.

	/s/ Derek Stark, attorney-in-fact for Mr. Sebring	03/19/2026
	** 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 5 (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 3: SEC 1473 (03-26)

FAQ

What does Sebring Marshall’s Form 3 show for PennyMac Mortgage Investment Trust (PMT)?

The Form 3 shows that Chief Investment Officer Sebring Marshall beneficially owns 21,873 Common Shares of Beneficial Interest in PennyMac Mortgage Investment Trust, combining 20,644 restricted stock units and 1,299 common shares as of the reporting date.

How many restricted stock units does Sebring Marshall hold in PMT?

Sebring Marshall holds 20,644 restricted stock units of PennyMac Mortgage Investment Trust. According to the disclosure, these restricted stock units will be settled in an equal number of Common Shares of Beneficial Interest when they vest, increasing his actual share holdings at that time.

How many PMT common shares does Sebring Marshall currently own directly?

Sebring Marshall currently owns 1,299 Common Shares of Beneficial Interest directly. These are separate from his 20,644 restricted stock units, which represent additional potential shares that will be delivered only when the awards vest in the future.

Does this PMT Form 3 reflect a new transaction by Sebring Marshall?

The Form 3 is an initial ownership report and does not show a specific buy or sell transaction. It simply discloses Sebring Marshall’s existing beneficial ownership position in PMT common shares and restricted stock units as of the reporting date.

How is Sebring Marshall’s total beneficial ownership in PMT calculated?

Total beneficial ownership of 21,873 shares combines 20,644 restricted stock units and 1,299 currently held common shares. The restricted stock units are counted because they will be settled in an equal number of PMT common shares once vesting conditions are satisfied.