Welcome to our dedicated page for Sentinelone SEC filings (Ticker: S), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
SentinelOne, Inc. filings document a public cybersecurity company with Class A common stock listed on the New York Stock Exchange under the symbol S. Recent Form 8-K and 8-K/A reports cover operating results, earnings presentations, non-GAAP reconciliations, Regulation FD materials, executive and board appointments, compensation arrangements, and board committee assignments.
The filings also record material corporate and tax matters, including transfer-pricing disclosures involving the company and its Israeli subsidiary. For this issuer, regulatory disclosures center on financial reporting, governance changes, leadership succession, equity-security registration details, tax contingencies, and intellectual-property matters.
SentinelOne, Inc. disclosed a new insider ownership report showing that a director has filed an initial statement of beneficial ownership on Form 3. The reporting person is identified as a director of SentinelOne, rather than an officer or large shareholder, and the filing is made on an individual basis by one reporting person.
According to the certification section and related remarks, the director reports that no securities are beneficially owned, meaning they do not currently hold SentinelOne stock or derivative securities in reportable form as of the event date of 12/03/2025. The Form 3 is signed by an attorney-in-fact on 12/11/2025, confirming the accuracy of the disclosure under federal securities law.
The issuer of Class A Common stock filed a notice of proposed sale under Rule 144 for 303,846 shares, to be sold through Goldman Sachs & Co. LLC on the NYSE around 12/11/2025. The filing states an aggregate market value of about $4,554,651.54 for these shares, compared with 333,302,668 Class A Common shares outstanding.
Recent trading history in the notice shows that Tomer Weingarten has sold Class A Common shares of the same issuer over the prior three months, including 104,843 shares on 09/11/2025 and 57,941 shares on 11/06/2025, for gross proceeds of over $3 million across the listed transactions. By signing, the selling person represents they are not aware of undisclosed material adverse information about the issuer’s current or prospective operations.
SentinelOne, Inc. filed an amended report to update the board responsibilities of a recently appointed director. On December 3, 2025, the board appointed Mark Barrenechea as a director. His committee roles were not set at that time.
On December 9, 2025, the board appointed Mr. Barrenechea to serve on SentinelOne’s Nominating and Corporate Governance Committee, effective that same day. This amendment formally records his committee assignment but does not change the company’s capital structure or disclose new financial results.
SentinelOne’s Chief Legal Officer and Secretary reported an automatic sale of Class A common stock tied to equity compensation. On 12/08/2025, the officer sold 8,311 shares of Class A common stock at $14.58 per share. The company explains this was an issuer-mandated “sell to cover” transaction to satisfy tax withholding obligations upon the vesting and settlement of restricted stock units, rather than a discretionary trade.
Following this transaction, the officer beneficially owned 565,225 shares of Class A common stock. The disclosure notes that certain of these shares remain subject to forfeiture if the underlying vesting conditions are not met, reflecting ongoing performance or service-based requirements attached to the awards.
SentinelOne, Inc. reported an insider transaction by its Chief Accounting Officer on 12/08/2025. The officer sold 8,509 shares of Class A common stock at $14.58 per share. The company explains this was an issuer-mandated “sell to cover” transaction to satisfy tax withholding obligations tied to the vesting and settlement of restricted stock units, rather than a discretionary sale. Following the transaction, the officer beneficially owns 285,551 shares, and some of these shares remain subject to forfeiture if vesting conditions are not met.
A reporting person who serves as president, CEO and director of SentinelOne, Inc. reported an automatic sale of Class A common stock. On 12/08/2025, the insider sold 38,684 shares at $14.58 per share. The company explains this was an issuer-mandated “sell to cover” transaction to satisfy tax withholding triggered by the vesting and settlement of restricted stock units, rather than a discretionary trade.
After this transaction, the insider beneficially owned 1,213,096 shares of Class A common stock. The filing notes that some of these shares may be forfeited if their vesting conditions are not met, reflecting ongoing equity-based compensation tied to performance or service.
SentinelOne, Inc. reported third-quarter results showing continued growth but ongoing losses. Revenue for the three months ended October 31, 2025 rose to $258.9 million, up 23% from $210.6 million a year earlier, driven by both U.S. and international demand for its AI-powered cybersecurity platform. Gross profit increased to $191.1 million, but operating expenses of $264.4 million, including higher research and development and restructuring costs, led to an operating loss of $73.3 million and a net loss of $60.3 million, or $0.18 per share.
The company ended the quarter with $2.43 billion in total assets, including $150.2 million of cash and cash equivalents and $723.4 million of investments, and generated $72.2 million in net cash from operating activities over the first nine months of fiscal 2026. SentinelOne continued to build its platform through acquisitions, completing the purchases of Prompt Security and Observo for combined consideration of about $344.6 million and recording $282.1 million of goodwill and $55.1 million of new intangible assets.
The company also repurchased 5.7 million shares of Class A common stock for $101.9 million under a $200 million authorization and recorded a long-term tax contingency of $136.0 million related to ongoing transfer pricing negotiations for a potential bilateral Advance Pricing Agreement with U.S. and Israeli tax authorities.
SentinelOne, Inc. reported that it released its financial results for the third quarter of fiscal 2026, ended October 31, 2025, via a press release and earnings presentation, and held a webcast to discuss the results. Those materials are furnished as Exhibits 99.1 and 99.2 and include reconciliations for non-GAAP financial measures.
The company’s board appointed Mark Barrenechea, former CEO and CTO of OpenText, as a Class II director, with an initial equity award valued at $400,000 and ongoing director compensation consistent with SentinelOne’s Outside Director Program. Separately, Chief Financial Officer Barbara Larson plans to resign around mid-January 2026, and current Chief Growth Officer Barry Padgett will become interim CFO and principal financial officer. SentinelOne also reiterated that it uses SEC filings, its investor relations website, press releases, webcasts and corporate blogs as key channels for disclosing material information.
SentinelOne (S) shareholder filed an amended Form 144 to sell 18,321 Class A shares, with an aggregate market value of $329,778.00, through Raymond James & Associates on the NYSE, with an approximate sale date of 10/06/2025.
The filer previously acquired 158,685 shares on 12/31/2020 via a stock conversion before the IPO, with payment wired to the portfolio company. Recent activity shows sales of 6,824 shares for $124,278.69 on 07/07/2025, 6,916 shares for $127,464.65 on 07/08/2025, 568 shares for $10,247.46 on 10/01/2025, and 397 shares for $7,161.84 on 10/03/2025. Shares outstanding were 324,760,095.
SentinelOne (S) reported insider activity by its President & CEO (also a director) on 11/06/2025. The reporting person converted 57,941 shares of Class B common stock into Class A at $0, then sold 57,941 Class A shares at a weighted average price of $16.4135 under a Rule 10b5-1 plan adopted on June 3, 2025. A separate issuer-mandated “sell to cover” trade disposed of 32,159 Class A shares at a weighted average price of $16.5602 to satisfy tax withholding tied to RSU vesting.
Following these transactions, Class A common stock beneficially owned directly was 1,251,780 shares. The filing also lists 4,150,563 Class B shares beneficially owned directly and 423,629 Class A shares held indirectly by a trust. Certain shares are subject to forfeiture if vesting conditions are not met.