Twilio (TWLO) CFO Aidan Viggiano reports 7,213-share sale under 10b5-1 plan

Rhea-AI Filing Summary

Twilio Inc.'s Chief Financial Officer Aidan Viggiano reported a planned sale of company stock. On January 5, 2026, the reporting person sold 7,213 shares of Twilio Class A common stock at a price of $135.97 per share. After this transaction, the filing shows 112,236 shares of Twilio Class A common stock beneficially owned.

The filing notes that the sale was executed under the reporting person's Rule 10b5-1 trading plan, dated June 6, 2025, which is a pre-arranged program for selling shares over time. It also explains that a portion of the remaining reported holdings consists of restricted stock units (RSUs), each of which represents a contingent right to receive one share of Twilio Class A common stock.

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).

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^*

Viggiano Aidan

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
01/05/2026

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	01/05/2026		S(1)		7,213	D	$135.97	112,236(2)	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. The sales reported were executed under the Reporting Person's 10b5-1 trading plan, dated as of 6/6/2025.

2. A portion of these shares represent Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of Issuer's Class A common stock.

Remarks:

	/s/ Juliana Chen as attorney-in-fact for Reporting Person	01/07/2026
	** 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 Twilio (TWLO) disclose in this Form 4?

The filing shows that Chief Financial Officer Aidan Viggiano sold 7,213 shares of Twilio Class A common stock on January 5, 2026 at a price of $135.97 per share.

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

After the reported sale, the filing states that the reporting person beneficially owns 112,236 shares of Twilio Class A common stock.

Was the Twilio (TWLO) CFO’s stock sale under a 10b5-1 trading plan?

Yes. The filing explains that the sales were executed under the reporting person’s Rule 10b5-1 trading plan dated June 6, 2025, which is a pre-established plan for trading shares.

Who is the insider involved in this Twilio (TWLO) Form 4 filing and what is their role?

The reporting person is Aidan Viggiano, who is identified in the filing as Chief Financial Officer of Twilio Inc.

Does the Twilio (TWLO) Form 4 mention restricted stock units (RSUs)?

Yes. A footnote states that a portion of the reported holdings consists of restricted stock units (RSUs), with each RSU representing a contingent right to receive one share of Twilio’s Class A common stock.

Is the reported Twilio (TWLO) insider ownership direct or indirect?

The transaction and the 112,236 shares beneficially owned following the transaction are reported as held with direct (D) ownership.