Was the recent Twilio (TWLO) CFO share sale under a Rule 10b5-1 plan?

Yes. A footnote states the sales were executed under Aidan Viggiano’s Rule 10b5-1 trading plan dated June 6, 2025. Such plans are pre-arranged trading programs designed to facilitate systematic share sales over time.

What price did Twilio’s (TWLO) CFO receive per share in the May 2026 sale?

The Form 4 shows that the 1,828 shares of Twilio Class A common stock were sold at $200.00 per share. This reflects the transaction price for that specific open-market sale on May 19, 2026 as reported.

Twilio (NYSE: TWLO) CFO sells 1,828 shares in pre-set 10b5-1 plan

Filing Impact

(High)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

Twilio Inc.’s Chief Financial Officer Aidan Viggiano sold 1,828 shares of Class A common stock in an open-market transaction. The sale occurred on May 19, 2026 at a price of $200.00 per share. After this transaction, Viggiano directly holds 127,345 shares of Twilio Class A common stock.

According to a footnote, the sale was executed under Viggiano’s Rule 10b5-1 trading plan dated June 6, 2025, indicating it was pre-arranged. Another footnote notes that a portion of the reported holdings consists of Restricted Stock Units, each representing a contingent right to receive one share of Twilio Class A common stock.

Insider Trade Summary 10b5-1

Net Seller: 1,828 shares ($365,600)

Net Sell 1 txn

Insider Viggiano Aidan

Role Chief Financial Officer

Sold 1,828 shs ($366K)

Type	Security	Shares	Price	Value
Sale	Class A Common Stock	1,828	$200.00	$366K

Holdings After Transaction: Class A Common Stock — 127,345 shares (Direct, null)

Footnotes (1)

The sales reported were executed under the Reporting Person's 10b5-1 trading plan, dated as of 6/6/2025. 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.

Key Figures

Shares sold: 1,828 shares Sale price: $200.00 per share Shares held after transaction: 127,345 shares

3 metrics

Shares sold 1,828 shares Class A common stock sold on May 19, 2026

Sale price $200.00 per share Open-market sale price on May 19, 2026

Shares held after transaction 127,345 shares Direct Class A common stock holdings after sale

Key Terms

Rule 10b5-1 trading plan, Restricted Stock Units ("RSUs"), open-market sale

3 terms

Rule 10b5-1 trading plan regulatory

"The sales reported were executed under the Reporting Person's 10b5-1 trading plan, dated as of 6/6/2025."

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.

Restricted Stock Units ("RSUs") financial

"A portion of these shares represent Restricted Stock Units ("RSUs")."

Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Form 4 Insider Transactions: What Each Field Means →

05/21/2026 - 04:21 PM

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^*

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)
05/19/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class A Common Stock	05/19/2026		S⁽¹⁾		1,828	D	$200	127,345⁽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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

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	05/21/2026
	** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did Twilio (TWLO) report for CFO Aidan Viggiano?

Twilio reported that CFO Aidan Viggiano sold 1,828 shares of Class A common stock. The transaction took place on May 19, 2026 at $200.00 per share in an open-market sale, as reflected in the Form 4 filing.

How many Twilio (TWLO) shares does the CFO hold after the latest sale?

After the reported sale, CFO Aidan Viggiano directly holds 127,345 shares of Twilio Class A common stock. This figure includes shares underlying certain Restricted Stock Units, which each represent a contingent right to receive one share.

What are the Restricted Stock Units (RSUs) mentioned in the Twilio (TWLO) filing?

The filing explains that a portion of the CFO’s holdings consist of Restricted Stock Units. Each RSU represents a contingent right to receive one share of Twilio’s Class A common stock, typically subject to vesting or other conditions.