[Form 3] Bank of N.T. Butterfield & Son Ltd Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

Bank of N.T. Butterfield & Son Ltd director Mark T. Lynch has reported his share ownership in a new Form 3. He directly owns 224,794 common shares and has indirect ownership of 800 additional shares with voting rights and dispositive control. The filing records holdings only and does not report any recent share purchases or sales.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Lynch Mark T

Role Director

Type	Security	Shares	Price	Value
holding	Bank of N.T. Butterfield & Son Ltd	--	--	--
holding	Bank of N.T. Butterfield & Son Ltd	--	--	--

Holdings After Transaction: Bank of N.T. Butterfield & Son Ltd — 224,794 shares (Direct); Bank of N.T. Butterfield & Son Ltd — 800 shares (Indirect, Voting rights and dispositive control)

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Accepted by SEC EDGAR 04/01/2026 - 08:26 AM Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Lynch Mark T

(Last) (First) (Middle)

59 FRONT STREET

(Street)

HAMILTON

(City) (State) (Zip)

BERMUDA

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/31/2026

3. Issuer Name and Ticker or Trading Symbol
Bank of N.T. Butterfield & Son Ltd [ NTB ]

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)

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

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)
Bank of N.T. Butterfield & Son Ltd	224,794	D
Bank of N.T. Butterfield & Son Ltd	800	I	Voting rights and dispositive control

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:

	Tara Hidalgo, by power of attorney for Mark Lynch	04/01/2026
	** 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)