Twilio Inc. (TWLO) director reports RSU grant and 627-share gift

Rhea-AI Filing Summary

A director of Twilio Inc. reported equity transactions in the company’s Class A common stock. On 12/15/2025, the director received 627 shares through Restricted Stock Units ("RSUs"), with each RSU representing the right to receive one share of Class A common stock, and these RSUs vested immediately on the grant date at a price of $0.

That same day, 627 shares were contributed by the reporting person to the Shustek-Dubinsky Family Trust and the trust received 627 shares at a price of $0. Following these transactions, the Shustek-Dubinsky Family Trust held 21,297 shares of Twilio Class A common stock indirectly for the reporting person.

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
Estimated average burden
hours per response:			0.5

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)
12/15/2025

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	12/15/2025		A		627(1)	A	$0	627(2)	D
Class A Common Stock	12/15/2025		G(3)		627	D	$0	0	D
Class A Common Stock	12/15/2025		G(4)		627	A	$0	21,297(2)	I	Shustek-Dubinsky Family Trust(5)

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. The shares reported in this transaction represent Restricted Stock Units ("RSUs"). Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock. The RSUs vested immediately on the date of grant.

2. Includes RSUs that have been deferred by the Reporting Person.

3. Represents shares that were contributed by the Reporting Person to the Reporting Person's trust.

4. Represents the shares received by the Reporting Person's trust.

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

Remarks:

	/s/ Juliana Chen as attorney-in-fact for Reporting Person	12/17/2025
	** 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 insider stock transaction did a Twilio (TWLO) director report?

The report shows that a Twilio Inc. director received 627 shares of Class A common stock through RSUs on 12/15/2025 and then transferred 627 shares to a family trust on the same date, all at a price of $0 per share.

How many Twilio shares were transferred to the Shustek-Dubinsky Family Trust?

The reporting person contributed 627 shares of Twilio Class A common stock to the Shustek-Dubinsky Family Trust, and the trust received 627 shares in the transaction.

What are the key terms of the RSUs reported by the Twilio director?

The filing explains that the reported shares represent Restricted Stock Units ("RSUs"), with each RSU corresponding to one share of Twilio Class A common stock. The RSUs vested immediately on the date of grant.

What is the reporting person’s relationship to Twilio Inc. in this transaction?

The reporting person is identified as a director of Twilio Inc., according to the relationship section of the report.

How many Twilio shares does the Shustek-Dubinsky Family Trust hold after the reported transactions?

After the reported gift and receipt, the Shustek-Dubinsky Family Trust beneficially held 21,297 shares of Twilio Class A common stock indirectly for the reporting person.

Was any cash consideration paid in the reported Twilio share transactions?

No cash consideration was paid; the transactions in Twilio Class A common stock, including the RSU-related grant and the transfers to and from the trust, are all reported at a price of $0 per share.