Solium Capital: Form 144 — 3,288 RSU Shares to be Sold

Solium Capital Inc. filed a Form 144 reporting a proposed sale of 3,288 Class A Subordinate Voting Shares tied to the vesting of RSUs on 03/23/2026.

Rhea-AI Filing Summary

Solium Capital Inc. filed a Form 144 reporting a proposed sale of 3,288 Class A Subordinate Voting Shares tied to the vesting of RSUs on 03/23/2026. The filing lists recent open-market dispositions by Jean Niehaus during the prior three months, including sales of 323, 331, 413, 682, and 1,230 Class A Subordinate Voting Shares on dates between 12/31/2025 and 03/10/2026.

Insights

Securities Compliance Analyst

Routine Form 144 notice for an RSU vesting-related sale; recent small-scale insider dispositions are listed.

The filing records a proposed sale of 3,288 Class A Subordinate Voting Shares associated with RSU vesting on 03/23/2026. This is a supply-side disclosure showing intent to sell upon vesting; the filing ties the shares explicitly to an RSU vesting event.

Recent transactions by Jean Niehaus are reported with specific per-trade share counts and dates between 12/31/2025 and 03/10/2026. Cash-flow treatment and broker/deal method are not specified in the excerpt; subsequent filings may provide settlement details.

FAQ

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

What does SHOP's Form 144 report?

The Form 144 reports a proposed sale of 3,288 Class A Subordinate Voting Shares tied to RSU vesting on 03/23/2026. The notice signals an intended sale at vesting rather than a one-time corporate action.

Who is the insider named in the filing?

The filing lists transactions by Jean Niehaus, showing multiple dispositions in the prior three months on dates from 12/31/2025 to 03/10/2026. The listed trades include specific share counts per date.

What recent share sales are disclosed for Jean Niehaus?

Recent disclosed sales by Jean Niehaus include trades of 323, 331, 413, 682, and 1,230 Class A Subordinate Voting Shares between 12/31/2025 and 03/10/2026. Each trade is reported with its date and share count.

Are proceeds or brokers identified in the excerpt?

The excerpt does not specify proceeds, broker-dealer names, or sale methods. The filing links the proposed sale to RSU vesting on 03/23/2026, but cash-flow and distribution mechanics are not shown here.

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

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Accepted by SEC EDGAR 03/20/2026 - 04:32 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	0002093214
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	Shopify Inc.
SEC File Number	001-37400
Address of Issuer	151 O'Connor St. Ground Floor Ottawa ONTARIO, CANADA K2P 2L8
Phone	6132412828
Name of Person for Whose Account the Securities are To Be Sold	Jean Niehaus
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	Officer

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
Class A Subordinate Voting Shares	Solium Capital Inc. Suite 1500 600-3rd Ave., SW Calgary A0 T2P 0G5	1307	160694.04	1226037779	03/23/2026	NASDAQ

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 *
Class A Subordinate Voting Shares	03/23/2026	Vesting of RSUs	Issuer			3288	03/23/2026	Vesting of RSUs

* 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
Jean Niehaus 151 O'Connor St. Ground Floor Ottawa A6 K2P 2L8	Class A Subordinate Voting Shares	12/31/2025	323	52370.19
Jean Niehaus 151 O'Connor St. Ground Floor Ottawa A6 K2P 2L8	Class A Subordinate Voting Shares	02/02/2026	331	43867.43
Jean Niehaus 151 O'Connor St. Ground Floor Ottawa A6 K2P 2L8	Class A Subordinate Voting Shares	03/02/2026	413	49175.5
Jean Niehaus 151 O'Connor St. Ground Floor Ottawa A6 K2P 2L8	Class A Subordinate Voting Shares	03/04/2026	682	87350.56
Jean Niehaus 151 O'Connor St. Ground Floor Ottawa A6 K2P 2L8	Class A Subordinate Voting Shares	03/10/2026	1230	159002.1

144: Remarks and Signature

Remarks	Aggregate market value calculated using March 13, 2026 closing price of $122.96 per share. Number of shares outstanding as of February 6, 2026. Sales to be made cover taxes and fees resulting from the vesting of RSUs. Dates of sale reflect a three month period starting on March 21, 2026.
Date of Notice	03/20/2026
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	Jean Niehaus
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)