[Form 4] TWILIO INC Insider Trading Activity

Rhea-AI Filing Summary

Charles H. Bell, a director of Twilio Inc. (TWLO), received 780 Restricted Stock Units (RSUs) on 09/15/2025 that vested immediately. Each RSU represents the contingent right to receive one share of the issuer's Class A common stock and the transaction price was reported as $0. After the reported transaction, the reporting person beneficially owned 16,492 shares, which the filing states includes RSUs that have been deferred by the reporting person. The Form 4 filing was signed by Juliana Chen as attorney-in-fact on 09/17/2025.

Positive

• The filing explicitly reports 780 RSUs granted and vested immediately on 09/15/2025.
• Filing specifies post-transaction beneficial ownership of 16,492 shares and that this total includes deferred RSUs.

Negative

• None.

Insights

Financial Analyst

TL;DR: Routine insider RSU grant and immediate vesting; modest ownership level disclosed.

The Form 4 discloses a non-derivative award of 780 RSUs to director Charles H. Bell on 09/15/2025 with immediate vesting and a reported transaction price of $0. The filing shows total beneficial ownership of 16,492 shares following the transaction, and it explicitly notes some RSUs are deferred. This is a routine equity compensation disclosure without accompanying sales, purchases for cash, or derivative transactions. The filing was executed by an attorney-in-fact on 09/17/2025.

Corporate Governance Expert

TL;DR: Disclosure documents an equity award to a director; filing provides clear grant and ownership details.

The statement describes 780 Restricted Stock Units granted and vested the same day, each converting to one share of Class A common stock upon settlement as defined. The report clarifies that the post-transaction beneficial ownership is 16,492 shares and that some RSUs remain deferred. There are no listed dispositions or derivative transactions in this filing. The signatory is an attorney-in-fact, which the form explicitly records.

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^*

Bell Charles H

(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)
09/15/2025

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	09/15/2025		A		780(1)	A	$0	16,492(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 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.

Remarks:

	/s/ Juliana Chen as attorney-in-fact for Reporting Person	09/17/2025
	** 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 Charles H. Bell report on Form 4 for TWLO?

The Form 4 reports a grant of 780 Restricted Stock Units (RSUs) on 09/15/2025 that vested immediately and a post-transaction beneficial ownership of 16,492 shares.

What is the reported price for the RSU transaction in the TWLO Form 4?

The transaction is reported with a price of $0, reflecting that these are RSUs rather than a cash purchase.

Do the reported RSUs convert to common stock for TWLO?

Yes. The filing states each RSU represents the contingent right to receive one share of the issuer's Class A common stock.

Does the Form 4 indicate any deferred RSUs for the reporting person?

Yes. The filing explicitly states that the post-transaction total includes RSUs that have been deferred by the reporting person.

When was the Form 4 for TWLO signed and by whom?

The Form 4 was signed on 09/17/2025 by Juliana Chen as attorney-in-fact for the reporting person.