[Form 4] TWILIO INC Insider Trading Activity

Rhea-AI Filing Summary

Twilio Inc. director reports charitable stock donation in Form 4. A reporting person serving as a director of Twilio Inc. (TWLO) donated 4,063 shares of Class A common stock on November 13, 2025 to a donor-advised fund, with the shares intended for charitable purposes. The transaction was reported at a price of $0, reflecting that this was a gift rather than a sale. After this transaction, the reporting person beneficially owns 20,670 shares indirectly through the Shustek-Dubinsky Family Trust, which includes deferred restricted stock units.

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

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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).

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^*

Dubinsky Donna

(Last) (First) (Middle)

101 SPEAR STREET, FIFTH FLOOR

(Street)

SAN FRANCISCO CA 94105

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
TWILIO INC [ TWLO ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
11/13/2025

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	11/13/2025		G(1)		4,063	D	$0	20,670(2)	I	Shustek-Dubinsky Family Trust(3)

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. On November 13, 2025, the Reporting Person donated 4,063 shares to a donor-advised fund, which will use the gifted shares for charitable purposes.

2. Includes Restricted Stock Units ("RSUs") that have been deferred by the Reporting Person.

3. Leonard Shustek & Donna Dubinsky, Trustees, Shustek-Dubinsky Family Trust Dated 8/1/04.

Remarks:

	/s/ Juliana Chen as attorney-in-fact for Reporting Person	11/17/2025
	** 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 did the Twilio (TWLO) director report in this Form 4 filing?

The director reported donating 4,063 shares of Twilio Class A common stock on November 13, 2025 to a donor-advised fund for charitable purposes.

Was the Twilio (TWLO) Form 4 transaction a sale or a gift?

The Form 4 shows the transaction with code G, indicating a gift, and the price was reported as $0, consistent with a charitable donation.

How many Twilio (TWLO) shares does the reporting person own after the transaction?

Following the reported gift, the reporting person beneficially owns 20,670 shares of Twilio Class A common stock, held indirectly through the Shustek-Dubinsky Family Trust.

How is the ownership of the remaining Twilio (TWLO) shares structured?

The 20,670 shares are held indirectly via the Shustek-Dubinsky Family Trust, with Leonard Shustek and Donna Dubinsky as trustees, and this amount includes deferred RSUs.

What is the reporting person’s relationship to Twilio Inc. (TWLO)?

The reporting person is a director of Twilio Inc. as indicated in the relationship section of the Form 4.

Who signed the Twilio (TWLO) Form 4 on behalf of the reporting person?

The Form 4 was signed by /s/ Juliana Chen as attorney-in-fact for the reporting person on November 17, 2025.