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Stockholders' Equity | 9 Months Ended
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Sep. 30, 2025
Stockholders' Equity Note [Abstract] |
Stockholders' Equity | Stockholders' Equity Preferred Stock As of September 30, 2025, and December 31, 2024, the Company had authorized 100,000,000 shares of preferred stock, par value $0.001 per share, of which no shares were issued and outstanding. Common Stock As of September 30, 2025 and December 31, 2024, the Company had authorized 1,000,000,000 shares of Class A common stock, par value $0.001 per share. As of September 30, 2025 and December 31, 2024, the Company had authorized 0 and 3,170,181 shares of Class B common stock, par value $0.001 per share, respectively. As of September 30, 2025 and December 31, 2024, 152,067,819 and 152,610,697 shares of Class A common stock were issued and outstanding, respectively, and no shares of Class B common stock were issued and outstanding. The Company had reserved shares of common stock for issuance as follows:
|  | As of September 30, |  | As of December 31,
|  | 2025 |  | 2024
Stock options issued and outstanding |  | 937,881 |  |  | 1,322,176 |
Unvested restricted stock units issued and outstanding |  | 15,271,110 |  |  | 18,386,271 |
Shares of Class A common stock reserved for Twilio.org |  | 287,327 |  |  | 353,633 |
Stock-based awards available for grant under 2016 Plan |  | 28,721,606 |  |  | 23,292,678 |
Shares of Class A common stock reserved for issuance pursuant to ESPP |  | 10,982,134 |  |  | 9,709,326 |
Total |  | 56,200,058 |  |  | 53,064,084 |
Share Repurchase Program In January 2025, the board of directors of the Company authorized a share repurchase program to repurchase up to $2.0 billion in aggregate value of the Company’s outstanding Class A common stock. Repurchases under this program can be made through open market, private transactions or other means, in compliance with applicable federal securities laws, and can include repurchases pursuant to Rule 10b5-1 trading plans. The Company has discretion in determining the conditions under which shares may be repurchased from time to time. The program expires on December 31, 2027. The Company’s previous share repurchase authorizations expired on December 31, 2024. In the three months ended September 30, 2025 and 2024, the Company repurchased 3.4 million and 10.6 million shares of its Class A common stock, respectively, for an aggregate purchase price of $349.7 million and $633.0 million, respectively. In the nine months ended September 30, 2025 and 2024, the Company repurchased 6.4 million and 32.0 million shares of its Class A common stock, respectively, for an aggregate purchase price of $656.7 million and $1.9 billion, respectively. As of September 30, 2025, approximately $1.3 billion of the amount authorized in January 2025 for share repurchases remained available for future repurchases.

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