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 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.
Data Storage Corporation filed a final amendment to its Schedule TO, confirming the completion of its issuer tender offer and correcting a typographical error in the number of shares tendered by Harold Schwartz. The company offered to buy back up to 6,192,990 common shares at $5.20 per share in cash.
The offer expired at 12:00 midnight New York City time on January 12, 2026, with 5,625,129 shares validly tendered and not withdrawn. On January 14, 2026, the company accepted 100% of these shares for purchase at the offer price, resulting in an aggregate purchase price of $29,250,670.80, and wired payment to the depositary for distribution to shareholders.
The amendment also discloses option exercises and related sales or share withholdings by several executives in December 2025 to cover exercise prices and tax obligations, and lists the numbers of shares tendered by the company’s directors and officers in the offer.
Data Storage Corporation filed an amendment to correct a typographical error in the previously reported number of shares tendered by director Harold Schwartz in its recent share tender offer.
Under the tender offer described in its Offer to Purchase, the company bought 5,625,129 shares of common stock for a total of $29,250,670.80, leaving 2,167,138 shares outstanding and approximately $10 million of cash on hand. The amendment also reiterates that directors and officers, including Mr. Schwartz, tendered shares they beneficially owned in connection with the offer, and notes that a related press release has been made available as an exhibit.
Data Storage Corporation completed its issuer tender offer to repurchase shares of its common stock. The company bought 5,625,129 shares at $5.20 per share in cash, for a total purchase price of $29,250,670.80, after all offer conditions were satisfied. The offer expired at midnight New York City time on January 12, 2026, and the company wired payment to the depositary on January 14, 2026, with the depositary to promptly pay tendering shareholders. Several executives exercised stock options in December 2025, with portions of the shares sold or withheld to cover taxes and exercise prices, and directors and officers also tendered shares they beneficially owned in the offer.
Data Storage Corporation reported the results of its previously announced tender offer for its common stock. The company purchased 5,625,129 shares of common stock for an aggregate purchase price of $29,250,670.80. After these purchases, Data Storage Corporation has 2,167,138 shares of common stock outstanding and approximately $10 million of cash on hand.
The company also noted that on January 14, 2026, its directors and officers tendered shares they beneficially owned into the offer, including 881,472 shares from Thomas Kempster, 865,841 shares from Charles Piluso, 815,876 shares from Harold Schwartz, and 280,850 shares from Clifford Stein, among others.
Data Storage Corp reported that a director who is also a 10% owner exercised previously granted stock options on 12/16/2025. The insider acquired 9,804 shares at $1.96, 16,667 shares at $2.00, and 10,352 shares at $3.22 per share of common stock. Following these exercises, the reporting person beneficially owns 937,582 shares of common stock directly.
The options exercised had been issued between March 1, 2023 and January 2, 2024, and their remaining unexercised portions vested in full upon the consummation of the divestiture of the company’s CloudFirst business on September 11, 2025. The reported options were exercisable for a term of five years, and after these transactions, the specific option grants shown have been fully exercised.