Twilio (NYSE: TWLO) CFO sells 9,389 shares, retains 130,341 stake

Rhea-AI Filing Summary

Twilio Inc. Chief Financial Officer Aidan Viggiano sold 9,389 shares of Class A common stock in open-market transactions on April 2, 2026 under a pre-arranged Rule 10b5-1 trading plan dated June 6, 2025.

The sales occurred in two tranches at weighted average prices of $127.0229 and $127.9339 per share, across price ranges disclosed in the footnotes. Following these transactions, Viggiano directly holds 130,341 Twilio Class A shares, and a portion of the position consists of RSUs.

Insider Trade Summary 10b5-1

Net Seller: 9,389 shares ($1,197,216)

Net Sell 2 txns

Insider Viggiano Aidan

Role Chief Financial Officer

Sold 9,389 shs ($1.20M)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	4,342	$127.0229	$552K
Sale	Class A Common Stock	5,047	$127.9339	$646K

Holdings After Transaction: Class A Common Stock — 135,388 shares (Direct)

Footnotes (1)

1. The sale reported was executed under the Reporting Person's 10b5-1 trading plan, dated as of 6/6/2025. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $126.50 to $127.44 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. A portion of these shares represent RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Class A common stock. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $127.50 to $128.11 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Key Figures

Shares sold tranche 1: 4,342 shares Price tranche 1: $127.0229 per share Shares sold tranche 2: 5,047 shares +4 more

7 metrics

Shares sold tranche 1 4,342 shares Open-market sale of Class A common stock on April 2, 2026

Price tranche 1 $127.0229 per share Weighted average sale price for 4,342 shares

Shares sold tranche 2 5,047 shares Second open-market sale on April 2, 2026

Price tranche 2 $127.9339 per share Weighted average sale price for 5,047 shares

Total shares sold 9,389 shares Aggregate net shares sold per transaction summary

Shares held after sale 130,341 shares Direct Class A common stock holdings following transactions

Trading plan date June 6, 2025 Date of Rule 10b5-1 trading plan used for sale

Key Terms

Rule 10b5-1 trading plan, weighted average price, RSUs, Class A Common Stock

4 terms

Rule 10b5-1 trading plan regulatory

"The sale reported was executed under the Reporting Person's 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

weighted average price financial

"The reported price in Column 4 is a weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

RSUs financial

"A portion of these shares represent RSUs. Each RSU represents a contingent right"

RSUs, or restricted stock units, are a form of company shares given to employees as part of their compensation. They are typically awarded with certain restrictions, such as a waiting period before they can be fully owned or sold, similar to earning a gift that becomes fully yours over time. For investors, RSUs can impact a company's stock offerings and reflect how much the company relies on stock-based incentives to attract and retain talent.

Class A Common Stock financial

"security_title: Class A Common Stock in the reported transactions"

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.

Form 4 Insider Transactions: What Each Field Means →

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 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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/02/2026

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	04/02/2026		S(1)		4,342	D	$127.0229(2)	135,388(3)	D
Class A Common Stock	04/02/2026		S(1)		5,047	D	$127.9339(4)	130,341(3)	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 sale reported was executed under the Reporting Person's 10b5-1 trading plan, dated as of 6/6/2025.

2. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $126.50 to $127.44 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

3. A portion of these shares represent RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Class A common stock.

4. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $127.50 to $128.11 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

Remarks:

	/s/ Juliana Chen as attorney-in-fact for Reporting Person	04/06/2026
	** 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)