Duolingo (DUOL) CFO Skaruppa sells 5,856 shares for RSU tax withholding

Rhea-AI Filing Summary

Duolingo, Inc. Chief Financial Officer Matthew Skaruppa reported open-market sales of 5,856 shares of Class A common stock. The sales on February 17–18, 2026 were made at weighted average prices around $110.06–$115.55 per share to satisfy tax withholding obligations upon RSU vesting.

These transactions were executed under Skaruppa’s pre-arranged Rule 10b5-1 trading plan adopted on May 27, 2025. After the sales, he directly owned 31,631 Duolingo Class A shares.

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Skaruppa Matthew

(Last) (First) (Middle)

C/O DUOLINGO, INC.

5900 PENN AVENUE

(Street)

PITTSBURGH PA 15206

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Duolingo, Inc. [ DUOL ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
02/17/2026

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

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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	02/17/2026		S(1)		1,870	D	$110.06	35,617	D
Class A Common Stock	02/18/2026		S(2)		1,626	D	$112.2562(3)	33,991	D
Class A Common Stock	02/18/2026		S(2)		236	D	$113.3694(4)	33,755	D
Class A Common Stock	02/18/2026		S(2)		1,764	D	$114.3452(5)	31,991	D
Class A Common Stock	02/18/2026		S(2)		360	D	$115.2866(6)	31,631	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents shares automatically sold to satisfy tax withholding obligations in connection with the vesting of Restricted Stock Units ("RSUs") and delivery of shares.

2. The sale was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan adopted on May 27, 2025.

3. The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $111.83 to $112.80, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

4. The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $112.83 to $113.77, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

5. The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $113.83 to $114.75, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

6. The price reported in Column 4 is a weighted average sale price calculated by the broker executing the sales. These shares were sold in multiple transactions at prices ranging from $114.90 to $115.55, inclusive. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

Remarks:

	/s/ Stephen Chen, as Attorney-in-Fact for Matthew Skaruppa	02/19/2026
	** 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 4 (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.

FAQ

What insider transaction did Duolingo (DUOL) disclose for Matthew Skaruppa?

Duolingo disclosed that CFO Matthew Skaruppa sold 5,856 shares of Class A common stock. The sales occurred on February 17–18, 2026 and were primarily to cover tax withholding obligations tied to vesting Restricted Stock Units.

At what prices did Duolingo (DUOL) CFO Matthew Skaruppa sell shares?

Matthew Skaruppa’s Duolingo share sales occurred at weighted average prices around $110.06–$115.55 per share. The filing notes multiple transactions within this range, with detailed breakdowns available upon request from the company or regulators.

How many Duolingo (DUOL) shares does CFO Matthew Skaruppa hold after the Form 4?

After the reported transactions, Duolingo CFO Matthew Skaruppa directly holds 31,631 shares of Class A common stock. This reflects his position following the 5,856 shares sold in open-market transactions linked to RSU-related tax withholding.

Were Duolingo (DUOL) CFO Matthew Skaruppa’s sales under a Rule 10b5-1 plan?

Yes. The Form 4 states that Matthew Skaruppa’s sales were executed under a Rule 10b5-1 trading plan adopted on May 27, 2025. Such plans pre-schedule trades, helping separate them from day-to-day market or company developments.

Why did Duolingo (DUOL) CFO Matthew Skaruppa sell shares according to the filing?

The filing explains that shares were automatically sold to satisfy tax withholding obligations from Restricted Stock Unit vesting. This means the transactions were tied to equity compensation events rather than discretionary portfolio rebalancing or new investment decisions.