Twilio (NYSE: TWLO) CFO sells 806 shares under 10b5-1 plan

Rhea-AI Filing Summary

Twilio Inc. Chief Financial Officer Aidan Viggiano sold 806 shares of the company’s Class A common stock in an open-market transaction at $125 per share on March 2, 2026. The sale was executed under a Rule 10b5-1 trading plan dated June 6, 2025.

After this transaction, Viggiano directly holds 147,961 shares of Twilio’s Class A common stock, some of which represent restricted stock units, each convertible into one share upon vesting.

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)
03/02/2026

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	03/02/2026		S(1)		806	D	$125	147,961(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 the Issuer's Class A common stock.

Remarks:

	/s/ Juliana Chen as attorney-in-fact for Reporting Person	03/04/2026
	** 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) report for Aidan Viggiano?

Twilio reported that CFO Aidan Viggiano sold 806 shares of Class A common stock. The open-market sale occurred at $125 per share on March 2, 2026, under a Rule 10b5-1 trading plan dated June 6, 2025.

How many Twilio (TWLO) shares did the CFO sell and at what price?

The CFO sold 806 shares of Twilio Class A common stock at $125 per share. This was an open-market transaction executed on March 2, 2026, and was conducted pursuant to an established Rule 10b5-1 trading plan.

How many Twilio (TWLO) shares does the CFO hold after this Form 4 sale?

After the reported sale, Twilio CFO Aidan Viggiano directly holds 147,961 shares of Class A common stock. A portion of these shares consists of restricted stock units, each representing a contingent right to receive one share when the units vest.

Was the Twilio (TWLO) CFO’s share sale part of a 10b5-1 trading plan?

Yes. The filing states the sales were executed under Aidan Viggiano’s Rule 10b5-1 trading plan dated June 6, 2025. Such plans allow pre-arranged trades according to preset instructions, helping insiders diversify holdings over time within regulatory guidelines.

What type of security did the Twilio (TWLO) CFO trade in this Form 4?

The transaction involved Twilio’s Class A common stock. The Form 4 also notes that some of the CFO’s holdings are in restricted stock units, with each unit corresponding to a contingent right to receive one share of Class A common stock upon vesting.