Insider plans 1,000-share Duolingo (NASDAQ: DUOL) sale under Rule 144

Rhea-AI Filing Summary

Duolingo filed a notice of proposed insider share sales under Rule 144. The filing covers 1,000 shares of common stock with an aggregate market value of $110,060.60, to be sold through Morgan Stanley Smith Barney LLC on the NASDAQ, with an approximate sale date of 02/17/2026.

The shares were acquired as restricted stock from the issuer on 02/15/2026, with 40,013,533 shares of the same class shown as outstanding. The seller represents they are not aware of any undisclosed material adverse information about Duolingo’s current or prospective operations.

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

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

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

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
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	1000	110060.60	40013533	02/17/2026	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 *
Common	02/15/2026	Restricted Stock	Issuer			1000	02/15/2026	Not Applicable

* 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

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

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

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the DUOL Form 144 filing disclose?

The Form 144 shows a planned sale of 1,000 Duolingo common shares. These shares, valued at $110,060.60, are to be sold on NASDAQ through Morgan Stanley Smith Barney LLC as a routine resale under SEC Rule 144.

How many Duolingo (DUOL) shares are planned to be sold?

The notice covers a proposed sale of 1,000 Duolingo common shares. The filing also notes that 40,013,533 shares of the same class were outstanding, giving context for the relative size of this potential transaction.

When were the Duolingo (DUOL) shares acquired and how?

The 1,000 Duolingo shares were acquired on 02/15/2026 as restricted stock from the issuer. The Form 144 indicates the nature of the acquisition and confirms the date the securities were obtained before the planned resale.

When is the Duolingo (DUOL) share sale expected to occur?

The approximate sale date listed is 02/17/2026. This date reflects when the 1,000 shares of Duolingo common stock may be sold on NASDAQ, subject to Rule 144 conditions and market execution through the named broker.

Which broker will handle the Duolingo (DUOL) Form 144 sale?

Morgan Stanley Smith Barney LLC Executive Financial Services is listed as broker. Its address is 1 New York Plaza, 8th Floor, New York, NY 10004, and it will handle the potential NASDAQ sale of 1,000 Duolingo common shares.

Does the DUOL Form 144 mention undisclosed adverse information?

The person for whose account the shares are to be sold represents they do not know of any undisclosed material adverse information about Duolingo’s current or prospective operations, consistent with Rule 144 representations required in the notice.