Twilio director gets 337 RSUs, gifts shares

A Twilio director received immediately vesting RSUs and shifted 337 shares into a family trust via bona fide gift transactions.

Rhea-AI Filing Summary

TWILIO INC (TWLO) director Donna Dubinsky reported equity award and gift transactions in Class A common stock on September 15, 2026. She received 337 Restricted Stock Units, each representing the contingent right to one share of Class A common stock, which vested immediately on the grant date and are included in amounts she has deferred. She then contributed 337 shares to the Shustek-Dubinsky Family Trust as a bona fide gift, and the trust received these 337 shares, resulting in indirect ownership of 22,698 Class A shares held through the trust. No Rule 10b5-1 trading plan is reported for these transactions.

Insider Trade Summary

674 shares gifted

Gift 3 txns

Insider Dubinsky Donna

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Class A Common Stock F1, F2	337	$0.00	$0.00
Gift	Class A Common Stock F3	337	$0.00	$0.00
Gift	Class A Common Stock F4, F2, F5	337	$0.00	$0.00

Holdings After Transaction: Class A Common Stock — 0 shares (Direct); Class A Common Stock — 22,698 shares (Indirect, Shustek-Dubinsky Family Trust)

Footnotes (5)

1. F1. 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. F2. Includes RSUs that have been deferred by the Reporting Person.
3. F3. Represents shares that were contributed by the Reporting Person to the Reporting Person's trust.
4. F4. Represents the shares received by the Reporting Person's trust.
5. F5. Leonard Shustek & Donna Dubinsky, Trustees, Shustek-Dubinsky Family Trust Dated 8/1/04.

Key Figures

RSUs granted: 337 shares Shares contributed as gift: 337 shares Total shares in gift transactions: 674 shares +1 more

4 metrics

RSUs granted 337 shares Restricted Stock Units granted to Donna Dubinsky on September 15, 2026, vesting immediately

Shares contributed as gift 337 shares Shares of Class A common stock contributed by Donna Dubinsky to her trust as a bona fide gift on September 15, 2026

Total shares in gift transactions 674 shares Total Class A shares involved in gift-coded transactions on September 15, 2026

Indirect holdings after transactions 22,698 shares Class A shares held indirectly through the Shustek-Dubinsky Family Trust after the September 15, 2026 gift receipt

Key Terms

Restricted Stock Units, contingent right, bona fide gift, deferred, +1 more

5 terms

Restricted Stock Units financial

"The shares reported in this transaction represent Restricted Stock Units ("RSUs")."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

contingent right financial

"Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock."

bona fide gift financial

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

A bona fide gift is a genuine, voluntary transfer of money, property, or benefits from one party to another made without expectation of repayment, services, or hidden conditions. Investors care because such gifts can affect company disclosures, related‑party transaction rules, tax treatment, and perceived conflicts of interest; think of it like someone giving you a present with no strings attached — but on a corporate scale, auditors and regulators need to verify it really is unconditional.

deferred financial

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

Class A common stock financial

"Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock."

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What equity award did Twilio (TWLO) director Donna Dubinsky report on September 15, 2026?

She reported a grant of 337 Restricted Stock Units (RSUs), each representing the contingent right to receive one share of Twilio Class A common stock. The RSUs vested immediately on the date of grant and are included in amounts she has deferred.

How many Twilio (TWLO) shares did Donna Dubinsky transfer by gift on September 15, 2026?

She transferred 337 shares of Twilio Class A common stock as a bona fide gift by contributing them from her holdings to the Shustek-Dubinsky Family Trust. The trust, in turn, received these 337 shares.

What are Donna Dubinsky’s indirect Twilio (TWLO) holdings after these transactions?

Following the reported September 15, 2026 transactions, the Shustek-Dubinsky Family Trust holds 22,698 shares of Twilio Class A common stock indirectly for Donna Dubinsky, as reported in the filing.

Were Twilio (TWLO) director Donna Dubinsky’s September 15, 2026 transactions made under a Rule 10b5-1 plan?

No. The filing indicates that no Rule 10b5-1 trading plan is reported for these transactions, so they are not identified as being executed under a pre-arranged trading plan.

Do the reported Twilio (TWLO) transactions change Donna Dubinsky’s overall economic exposure?

The filing shows RSUs granted and 337 shares moved from her direct holdings into the Shustek-Dubinsky Family Trust, which now holds 22,698 shares indirectly. The transactions primarily reclassify holdings between direct and trust ownership.

What type of security is involved in Donna Dubinsky’s Twilio (TWLO) Form 4?

All reported transactions involve Class A common stock of Twilio Inc., including shares underlying Restricted Stock Units that vested immediately and shares transferred to the Shustek-Dubinsky Family Trust as bona fide gifts.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/17/2026 - 04:36 PM Accepted by SEC EDGAR 09/17/2026 - 04:35 PM Learn about SEC filing dates

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 CALIFORNIA 94105

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/15/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	09/15/2026		A		337(1)	A	$0	337(2)	D
Class A Common Stock	09/15/2026		G(3)		337	D	$0	0	D
Class A Common Stock	09/15/2026		G(4)		337	A	$0	22,698(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	09/17/2026
	** 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.
* Form 4: SEC 1474 (03-26)