Other Events. Share Repurchases Concurrently with the pricing of the Notes, the Company used approximately $150.0 million of the net proceeds from the Offering to repurchase approximately 6.2 million shares of its common stock in the Share Repurchases. The purchase price per share of the common stock repurchased in the Share Repurchases was equal to the closing price per share of the common stock on the New York Stock Exchange on October 13, 2026, which was $24.01 per share. The Share Repurch…

Unregistered Sales of Equity Securities. The information set forth under

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The information set forth under

Entry into a Material Definitive Agreement. Indenture and Notes On October 16, 2026, SentinelOne, Inc. (the “Company”) completed its previously announced private offering (the “Offering”) of $1,250,000,000 aggregate principal amount of 0.00% Convertible Senior Notes due 2031 (the “Notes”), including the exercise in full of the initial purchasers’ option to purchase up to an additional $187,500,000 aggregate principal amount of the Notes (the “Option”). The Notes were issued pursuant to an ind…

Results of Operations and Financial Condition. On August 27, 2026, SentinelOne, Inc. (the “Company”) announced its financial results for the second quarter of fiscal year 2027 ended July 31, 2026, by issuing an earnings presentation and a press release. The Company also announced that it would hold a webcast to discuss its financial results for the second quarter of fiscal year 2027 ended July 31, 2026. A copy of the press release and the earnings presentation is furnished herewith as Exhibit…

Costs Associated with Exit or Disposal Activities. On May 28, 2026, SentinelOne, Inc. (the “Company”) announced a restructuring plan (the “Plan”) to further streamline the Company’s organizational structure, improve efficiencies, and concentrate investments across high-yielding growth areas including AI, Data, Cloud and Endpoint, while continuing to advance the Company’s ongoing commitment to profitable growth. The Plan includes a reduction of the Company’s current full-time employees by appr…

Results of Operations and Financial Condition. On May 28, 2026, SentinelOne, Inc. (the “Company”) announced its financial results for the first quarter of fiscal year 2027 ended April 30, 2026, by issuing an earnings presentation and a press release. The Company also announced that it would hold a webcast to discuss its financial results for the first quarter of fiscal year 2027 ended April 30, 2026. A copy of the press release and the earnings presentation is furnished herewith as Exhibit 99…

Regulation FD Disclosure. On May 28, 2026, the Company posted supplemental investor materials on the Investors Relations section of its website, available at investors.sentinelone.com. The Company announces material information to the public through filings with the Securities and Exchange Commission, the investor relations page on the Company’s website, press releases, public conference calls, webcasts, the Company’s news website, available at sentinelone.com/press and blog posts on the Comp…

President and Chief Operating Officer — Barry Padgett: Barry Padgett was promoted to President and Chief Operating Officer.

Results of Operations and Financial Condition. On March 12, 2026, SentinelOne, Inc. (the “Company”) announced its financial results for the fourth quarter and fiscal year ended January 31, 2026, by issuing an earnings presentation and a press release. The Company also announced that it would hold a webcast to discuss its financial results for the fourth quarter and fiscal year ended January 31, 2026. A copy of the press release and the earnings presentation is furnished herewith as Exhibits 9…

Chief Financial Officer — Sonalee Parekh: The company appointed a new Chief Financial Officer from an external candidate.

interim Chief Financial Officer and principal financial officer — Barry Padgett: Barry Padgett was promoted to interim Chief Financial Officer and principal financial officer.

member of the Company’s Nominating and Corporate Governance Committee — Mr. Barrenechea: Mr. Barrenechea was appointed to the Nominating and Corporate Governance Committee.

Director — Mark Barrenechea: Appointment of Mark Barrenechea as a Class II Director.

Results of Operations and Financial Condition. On December 4, 2025, SentinelOne, Inc. (the “Company”) announced its financial results for the third quarter of fiscal year 2026 ended October 31, 2025, by issuing an earnings presentation and a press release. The Company also announced that it would hold a webcast to discuss its financial results for the third quarter of fiscal year 2026 ended October 31, 2025. A copy of the press release and the earnings presentation is furnished herewith as Ex…

President, Product, Technology and Operations — Ric Smith: Ric Smith resigned from his position as President, Product, Technology and Operations.

Unregistered Sales of Equity Securities. Prompt Security Transaction On August 5, 2025, SentinelOne, Inc. (the “Company”) entered into an agreement and plan of merger (the “Merger Agreement”) to acquire Prompt Security, Inc. (the “Prompt Security Transaction”), which was completed on September 5, 2025. Pursuant to the Merger Agreement, consideration for the Prompt Security Transaction was paid, at the closing of the Prompt Security Transaction, in a combination of cash and shares of the Compa…

Results of Operations and Financial Condition. On August 28, 2025, SentinelOne, Inc. (the “Company”) announced its financial results for the second quarter of fiscal year 2026 ended July 31, 2025, by issuing an earnings presentation and a press release. The Company also announced that it would hold a webcast to discuss its financial results for the second quarter of fiscal year 2026 ended July 31, 2025. A copy of the press release and the earnings presentation is furnished herewith as Exhibit…

Results of Operations and Financial Condition. On May 28, 2025, SentinelOne, Inc. (the “Company”) announced its financial results for the first quarter of fiscal year 2026 ended April 30, 2025, by issuing an earnings presentation and a press release. The Company also announced that it would hold a webcast to discuss its financial results for the first quarter of fiscal year 2026 ended April 30, 2025. A copy of the press release and the earnings presentation is furnished herewith as Exhibit 99…

Results of Operations and Financial Condition. On March 12, 2025, SentinelOne, Inc. (the “Company”) announced its financial results for the fourth quarter and fiscal year ended January 31, 2025, by issuing an earnings presentation and a press release. The Company also announced that it would hold a webcast to discuss its financial results for the fourth quarter and fiscal year ended January 31, 2025. A copy of the press release and the earnings presentation is furnished herewith as Exhibit 99…

Results of Operations and Financial Condition. On December 4, 2024, SentinelOne, Inc. (the “Company”) announced its financial results for the third quarter of fiscal year 2025 ended October 31, 2024, by issuing a letter to shareholders and a press release. The Company also announced that it would hold a webcast to discuss its financial results for the third quarter of fiscal year 2025 ended October 31, 2024. A copy of the press release and the letter to shareholders is furnished herewith as E…

Chief Financial Officer — Barbara Larson: The company appointed a new Chief Financial Officer from an external candidate.

Results of Operations and Financial Condition. On August 27, 2024, SentinelOne, Inc. (the “Company”) announced its financial results for the second quarter of fiscal year 2025 ended July 31, 2024, by issuing a letter to shareholders and a press release. The Company also announced that it would hold a webcast to discuss its financial results for the second quarter of fiscal year 2025 ended July 31, 2024. A copy of the press release and the letter to shareholders is furnished herewith as Exhibi…

Results of Operations and Financial Condition. On May 30, 2024, SentinelOne, Inc. (the “Company”) announced its financial results for the first quarter of fiscal year 2025 ended April 30, 2024, by issuing a letter to shareholders and a press release. The Company also announced that it would hold a webcast to discuss its financial results for the first quarter of fiscal year 2025 ended April 30, 2024. A copy of the press release and the letter to shareholders is furnished herewith as Exhibit 9…

Chief Business Officer — Mr. Narayanan “Vats” Srivatsan: Mr. Srivatsan transitioned to a newly created role of Chief Business Officer with expanded responsibilities.