Welcome to our dedicated page for Data Storage SEC filings (Ticker: DTST), 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.
The Data Storage Corporation (DTST) SEC filings page provides direct access to the company’s regulatory disclosures, including current reports, notifications, and other documents filed with the U.S. Securities and Exchange Commission. These filings explain how DTST has transformed its business through the divestiture of its cloud solutions operations and how it is reallocating capital toward telecommunications, AI, GPU infrastructure, and cybersecurity-related opportunities.
Key documents include multiple Form 8-K filings that describe the sale of the CloudFirst business, post-closing adjustment mechanisms, shareholder approval of the divestiture, and the resulting change in DTST’s operating profile. Other 8-Ks detail the company’s tender offer to repurchase a specified number of common shares for cash, the repurchase of July 2021 warrants triggered by the cloud solutions sale, and press releases furnishing quarterly financial information.
Investors can also review Form 12b-25 (NT 10-Q), where Data Storage Corporation explains timing for filing a quarterly report and discusses the expected impact of the cloud solutions sale on results of operations, including anticipated changes in income from discontinued operations and net income. Together, these filings provide context on how the company accounts for the divestiture, manages its capital structure, and communicates significant corporate events.
On Stock Titan, DTST filings are updated as they are released on EDGAR, and AI-powered summaries help clarify the purpose and implications of each document. Users can quickly see which filings relate to major transactions, capital returns such as the tender offer, or ongoing reporting obligations. This page is a useful starting point for understanding Data Storage Corporation’s regulatory history, strategic repositioning, and the formal disclosures that support its stated focus on recurring-revenue technology-enabled services.
Data Storage Corp director John Argen reported selling 57,207 shares of the company’s common stock on January 14, 2026. The shares were sold to the issuer in a tender offer that is described as exempt under Rule 16b-3, meaning the transaction was with the company rather than in the open market, at a price of $5.20 per share. Following this sale, Argen reported owning zero shares of Data Storage Corp common stock. The reported transaction amount also includes 10,955 shares that had been inadvertently left out of his previous ownership reports.
Data Storage Corp director and 10% owner Harold J. Schwartz reported significant share sales and ownership corrections. On January 14, 2026, he disposed of 888,376 shares of common stock at $5.20 per share in a sale to the company under an issuer tender offer exempt under Rule 16b-3, leaving him with 28,471 shares held directly.
On the same date, 7,500 shares of common stock were disposed of at $5.20 per share by Systems Trading, Inc., an entity owned by Schwartz, which then held no shares. The filing also corrects prior reports: earlier forms had overstated his beneficial ownership by 20,735 shares and had omitted the 7,500 shares indirectly held through Systems Trading, Inc.
Data Storage Corp director Clifford Stein reported selling 280,850 shares of common stock to the company in an issuer tender offer at $5.2 per share, leaving him with no directly held shares.
The sale took place on January 14, 2026 and was reported as a disposition of non-derivative common stock. Following this transaction, Stein’s reported beneficial ownership of Data Storage Corp common stock is shown as zero shares held directly, indicating a full exit from his directly owned position through the tender offer.
Data Storage Corp director Lawrence A. Maglione reported a sale of 24,752 shares of common stock back to the company at $5.20 per share on January 14, 2026. The transaction was a sale to the issuer under a tender offer that is described as exempt under Rule 16b-3. Following this sale, the filing shows that Maglione directly beneficially owns 0 shares of Data Storage Corp common stock.
Data Storage Corp director Mitchell Uwayne A. reported a sale of common stock in a Form 4 filing. On 01/14/2026, he disposed of 11,248 shares of Data Storage Corp common stock at $5.20 per share, as shown in Table I. The transaction is coded "D" for a disposition and is marked as directly owned.
According to the footnote, the sale represents shares sold back to the company in an issuer tender offer that is exempt under Rule 16b-3. Following this transaction, the filing shows that Mitchell Uwayne A. beneficially owns 0 shares of the company’s common stock.
Data Storage Corp reported an insider share sale by director Nancy Stallone. On 01/14/2026, she disposed of 11,248 shares of common stock at $5.20 per share, according to a Form 4 filing. The transaction was coded as a disposition and left her with 0 shares beneficially owned.
The filing explains that the sale represents shares sold to the issuer in connection with an issuer tender offer exempt under Rule 16b-3, meaning the company itself was the buyer rather than open-market purchasers. The ownership is reported as held directly by Nancy Stallone.
Data Storage Corp director and 10% owner Kempster Thomas reported a sale of 881,472 shares of common stock at $5.20 per share on January 14, 2026. The transaction was coded as a disposal and left him with 0 shares beneficially owned directly after the sale. The shares were sold back to the company in connection with an issuer tender offer that is described as exempt under Rule 16b-3. The reported amount also reflects an additional 9,500 shares of common stock that had been inadvertently omitted from Thomas’s earlier ownership reports.
Data Storage Corp Chairman and CEO Charles M. Piluso reported several sales of the company’s common stock in connection with an issuer tender offer exempt under Rule 16b-3. On January 14, 2026, he disposed of 323,859 directly held shares at $5.20 per share, leaving 89,432 shares held directly. Additional sales of common stock at $5.20 per share were reported from indirect holdings through Piluso Family Associates, Piluso Family Associates LLC, and two 2012 trusts where Piluso or his spouse have roles as beneficiary or co‑trustee.
Data Storage Corp director Matthew Grover reported selling 43,340 shares of common stock to the company on January 14, 2026 at $5.20 per share. The transaction was coded as a disposition and was executed through an issuer tender offer that is exempt under Rule 16b-3. Following this sale, the filing shows that Grover no longer beneficially owns any shares of Data Storage Corp common stock in this account.
Data Storage Corp director reported an amended insider transaction related to stock options. On December 12, 2025, 10,202 shares of Data Storage Corp common stock were withheld to cover the exercise price of options at $4.97 per share, coded as transaction type "F". After this transaction, the director directly beneficially owned 43,340 shares of common stock.
This Form 4/A corrects an earlier report filed on December 15, 2025 that understated the number of shares withheld by 12 shares. The amendment clarifies that 10,202 shares, rather than the previously reported lower figure, were actually withheld by the company in connection with the option exercise.
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