Butterfield insider plans $13.2M share sale

Rhea-AI Filing Summary

Bank of N.T. Butterfield & Son Ltd. insider Collins Michael W filed to sell 207,037 ordinary shares of NTB through Citigroup Global Markets, Inc. on 08/17/2026, with an indicated value of $13,200,000.00. The shares relate to restricted vesting for services rendered. In the prior three months, Collins sold additional ordinary shares in three transactions totaling 60,621 shares for combined proceeds of $3,556,496.00.

Key Figures

Planned shares to be sold: 207,037 shares Indicated value of planned sale: $13,200,000.00 Past sale 1: 20,000 shares for $1,175,000.00 +4 more

7 metrics

Planned shares to be sold 207,037 shares Ordinary shares of Bank of N.T. Butterfield & Son Ltd. to be sold on 08/17/2026

Indicated value of planned sale $13,200,000.00 Value associated with 207,037 ordinary shares listed for sale

Past sale 1 20,000 shares for $1,175,000.00 Ordinary shares sold on 06/12/2026

Past sale 2 20,000 shares for $1,170,600.00 Ordinary shares sold on 06/15/2026

Past sale 3 20,621 shares for $1,211,896.00 Ordinary shares sold on 06/16/2026

Total recent shares sold 60,621 shares Sum of ordinary shares sold in the past 3 months

Total recent sale proceeds $3,556,496.00 Combined proceeds from three recent ordinary share sales

Key Terms

Ordinary Shares, Restricted Vesting, Securities To Be Sold, Securities Sold During The Past 3 Months

4 terms

Ordinary Shares financial

"Ordinary Shares | Citigroup Global Markets, Inc 390 Greenwich St"

Ordinary shares are a type of ownership stake in a company, giving shareholders a right to participate in the company’s profits and decision-making through voting. They are similar to owning a piece of a business, and their value can rise or fall based on the company's performance. Investors buy ordinary shares to potentially earn dividends and benefit from the company's growth over time.

Restricted Vesting financial

"Ordinary Shares | 08/17/2026 | Restricted Vesting | Bank of N.T."

Securities To Be Sold financial

"144: Securities To Be Sold Ordinary Shares | 08/17/2026 |"

Securities Sold During The Past 3 Months financial

"144: Securities Sold During The Past 3 Months Collins Michael"

FAQ

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

What share sale did NTB insider Collins Michael W register on Form 144?

Collins Michael W filed to potentially sell 207,037 ordinary shares of Bank of N.T. Butterfield & Son Ltd. (NTB) on 08/17/2026. The planned sale, through Citigroup Global Markets, has an indicated value of $13,200,000.00 and relates to services rendered.

Which broker is handling the planned NTB share sale for Collins Michael W?

The planned sale of 207,037 NTB ordinary shares is listed through Citigroup Global Markets, Inc.. The shares are scheduled for potential sale on 08/17/2026 and are expected to trade on the NYSE according to the filing details.

What is the indicated value of the NTB shares Collins Michael W plans to sell?

The filing indicates a value of $13,200,000.00 for the planned sale of 207,037 NTB ordinary shares. These shares are tied to restricted vesting and are associated with services rendered to Bank of N.T. Butterfield & Son Ltd.

What NTB share sales has Collins Michael W made in the past three months?

Over the past three months, Collins Michael W reported selling 20,000 shares for $1,175,000.00, another 20,000 shares for $1,170,600.00, and 20,621 shares for $1,211,896.00, all in NTB ordinary shares.

What is the nature of the NTB securities Collins Michael W plans to sell?

The planned sale covers ordinary shares of Bank of N.T. Butterfield & Son Ltd. (NTB) that are described as restricted vesting. The filing notes they were received for services rendered and are scheduled for potential sale on 08/17/2026.

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

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Available on EDGAR 08/17/2026 - 04:16 PM Accepted by SEC EDGAR 08/17/2026 - 04:15 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001975405
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Bank of N.T. Butterfield & Son Ltd
SEC File Number	001-37877
Address of Issuer	65 FRONT STREET HAMILTON BERMUDA HM12
Phone	4412951111
Name of Person for Whose Account the Securities are To Be Sold	Collins Michael W
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Chairman & CEO

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Ordinary Shares	Citigroup Global Markets, Inc 390 Greenwich St New York NY 10013	207037	13200000.00	39300000	08/17/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Ordinary Shares	08/17/2026	Restricted Vesting	Bank of N.T. Butterfield & Son LTD			207037	08/17/2026	Services Rendered

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Collins Michael W 65 FRONT STREET HAMILTON D0 HM12	Ordinary Shares	06/12/2026	20000	1175000.00
Collins Michael W 65 FRONT STREET, HAMILTON D0 HM12	Ordinary Shares	06/15/2026	20000	1170600.00
Collins Michael W 65 FRONT STREET, HAMILTON D0 HM12	Ordinary Shares	06/16/2026	20621	1211896.00

144: Remarks and Signature

Remarks
Date of Notice	08/17/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	Conformed Signature On File
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)