Data Storage Corporation engages in providing cybersecurity, compliance and cloud computing solutions. The company's segment includes Nexxis Inc and corporate segment. It generates maximum revenue from the Nexxis Corporation segment. The company's solutions include infrastructure, disaster recovery, email archival, compliance, electronic vaulting, virtualized recovery, telecom recovery services, and continuous data protection.
DTST Form 4 activity by transaction type, last 90 days
Form 4 transaction type
Transactions
Shares
Total value
Open-market sale
4
13,491
$40K
Grant or award
9
108,000
Option exercise
18
180,000
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
DTST insider transactions (Form 4)
53
52 Form 4 filings on record, the earliest from Dec 12, 2024, newest first. Filing history page 1 of 2.
Footnote F1 (shares): Represents shares of the Issuer's common stock sold to satisfy tax withholding obligations of Thomas Kempster (the "Reporting Person").
Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.90 through $2.97. The Reporting Person undertakes to provide to the registrant, any security holder of the registrant, or the staff of the… Full note on SEC EDGAR
Footnote F1 (shares): Represents shares of the Issuer's common stock sold to satisfy tax withholding obligations of John Argen (the "Reporting Person").
Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.96 through $3.00. The Reporting Person undertakes to provide to the registrant, any security holder of the registrant, or the staff of the… Full note on SEC EDGAR
Footnote F1 (shares): Represents shares of the Issuer's common stock sold to satisfy tax withholding obligations of Clifford Stein (the "Reporting Person").
Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.98 through $3.0816. The Reporting Person undertakes to provide to the registrant, any security holder of the registrant, or the staff of the… Full note on SEC EDGAR
Footnote F1 (shares): Represents shares of the Issuer's common stock sold to satisfy tax withholding obligations of Uwayne A. Mitchell (the "Reporting Person").
Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.921 through $2.962. The Reporting Person undertakes to provide to the registrant, any security holder of the registrant, or the staff of the… Full note on SEC EDGAR
Footnote F1 (shares): Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.
Footnote F2 (shares): Represents shares of common stock underlying RSUs granted to the Reporting Person on January 29, 2026. The RSUs vested in full on September 2, 2026, the date of the Issuer's 2026 Annual Meeting of Stockholders.
Footnote F3 (shares): Represents the shares of the Issuer's common stock underlying a RSU grant to the Reporting Person on September 2, 2026, which RSUs will vest in full on the date of the Issuer's 2027 Annual Meeting of Stockholders, subject to the Reporting Person's continued service to the Issuer… Full note on SEC EDGAR
Footnote F1 (shares): Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.
Footnote F2 (shares): Represents shares of common stock underlying RSUs granted to the Reporting Person on January 29, 2026. The RSUs vested in full on September 2, 2026, the date of the Issuer's 2026 Annual Meeting of Stockholders.
Footnote F3 (shares): Represents the shares of the Issuer's common stock underlying a RSU grant to the Reporting Person on September 2, 2026, which RSUs will vest in full on the date of the Issuer's 2027 Annual Meeting of Stockholders, subject to the Reporting Person's continued service to the Issuer… Full note on SEC EDGAR
Footnote F1 (shares): Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.
Footnote F2 (shares): Represents shares of common stock underlying the RSUs granted to the Reporting Person on January 29, 2026. The RSUs vested in full on September 2, 2026, the date of the Issuer's 2026 Annual Meeting of Stockholders.
Footnote F3 (shares): Represents the shares of the Issuer's common stock underlying a RSU grant to the Reporting Person on September 2, 2026, which RSUs will vest in full on the date of the Issuer's 2027 Annual Meeting of Stockholders, subject to the Reporting Person's continued service to the Issuer… Full note on SEC EDGAR
Footnote F1 (shares): Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.
Footnote F2 (shares): Represents shares of common stock underlying the RSUs granted to the Reporting Person on January 29, 2026. The RSUs vested in full on September 2, 2026, the date of the Issuer's 2026 Annual Meeting of Stockholders.
Footnote F3 (shares): Represents the shares of the Issuer's common stock underlying a RSU grant to the Reporting Person on September 2, 2026, which RSUs will vest in full on the date of the Issuer's 2027 Annual Meeting of Stockholders, subject to the Reporting Person's continued service to the Issuer… Full note on SEC EDGAR
Footnote F1 (shares): Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.
Footnote F2 (shares): Represents shares of common stock underlying the RSUs granted to the Reporting Person on January 29, 2026. The RSUs vested in full on September 2, 2026, the date of the Issuer's 2026 Annual Meeting of Stockholders.
Footnote F3 (shares): Represents the shares of the Issuer's common stock underlying a RSU grant to the Reporting Person on September 2, 2026, which RSUs will vest in full on the date of the Issuer's 2027 Annual Meeting of Stockholders, subject to the Reporting Person's continued service to the Issuer… Full note on SEC EDGAR
Footnote F1 (shares): Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.
Footnote F2 (shares): Represents shares of common stock underlying the RSUs granted to the Reporting Person on January 29, 2026. The RSUs vested in full on September 2, 2026, the date of the Issuer's 2026 Annual Meeting of Stockholders.
Footnote F3 (shares): Represents the shares of the Issuer's common stock underlying a RSU grant to the Reporting Person on September 2, 2026, which RSUs will vest in full on the date of the Issuer's 2027 Annual Meeting of Stockholders, subject to the Reporting Person's continued service to the Issuer… Full note on SEC EDGAR
Footnote F1 (shares): Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.
Footnote F2 (shares): Represents shares of common stock underlying the RSUs granted to the Reporting Person on January 29, 2026. The RSUs vested in full on September 2, 2026, the date of the Issuer's 2026 Annual Meeting of Stockholders.
Footnote F3 (shares): Represents the shares of the Issuer's common stock underlying a RSU grant to the Reporting Person on September 2, 2026, which RSUs will vest in full on the date of the Issuer's 2027 Annual Meeting of Stockholders, subject to the Reporting Person's continued service to the Issuer… Full note on SEC EDGAR
Footnote F1 (shares): Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.
Footnote F2 (shares): Represents shares of common stock underlying the RSUs granted to the Reporting Person on January 29, 2026. The RSUs vested in full on September 2, 2026, the date of the Issuer's 2026 Annual Meeting of Stockholders.
Footnote F3 (shares): Represents the shares of the Issuer's common stock underlying a RSU grant to the Reporting Person on September 2, 2026, which RSUs will vest in full on the date of the Issuer's 2027 Annual Meeting of Stockholders, subject to the Reporting Person's continued service to the Issuer… Full note on SEC EDGAR
Footnote F1 (shares): Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.
Footnote F2 (shares): Represents shares of common stock underlying the RSUs granted to the Reporting Person on January 29, 2026. The RSUs vested in full on September 2, 2026, the date of the Issuer's 2026 Annual Meeting of Stockholders.
Footnote F3 (shares): Represents the shares of the Issuer's common stock underlying a RSU grant to the Reporting Person on September 2, 2026, which RSUs will vest in full on the date of the Issuer's 2027 Annual Meeting of Stockholders, subject to the Reporting Person's continued service to the Issuer… Full note on SEC EDGAR
Footnote F1 (shares): Represents shares of the Issuer's common stock sold to satisfy tax withholding obligations of Charles M. Piluso (the "Reporting Person").
Footnote F2 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.90 through $3.95. The Reporting Person undertakes to provide to the registrant, any security holder of the registrant, or the staff of the… Full note on SEC EDGAR
Footnote F3 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.80 through $3.92. The Reporting Person undertakes to provide to the registrant, any security holder of the registrant, or the staff of the… Full note on SEC EDGAR
Footnote F4 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.80 through $3.83. The Reporting Person undertakes to provide to the registrant, any security holder of the registrant, or the staff of the… Full note on SEC EDGAR
Footnote F1 (shares): Represents the shares of the Issuer's common stock underlying a grant of a restricted stock unit ("RSU") to the Reporting Person on February 13, 2026, which will vest one-third on each of May 20, 2027, May 20, 2028, and May 20, 2029. RSUs convert into common stock on a… Full note on SEC EDGAR
Footnote F2 (shares): These options ("Options") will vest and become exercisable one-third on each of May 20, 2027, May 20, 2028, and May 20, 2029.
Footnote F1 (shares): Represents the shares of the Issuer's common stock underlying a grant of a restricted stock unit ("RSU") to the Reporting Person on February 13, 2026, which will vest one-third on each of May 20, 2027, May 20, 2028, and May 20, 2029. RSUs convert into common stock on a… Full note on SEC EDGAR
Footnote F2 (shares): These options ("Options") will vest and become exercisable one-third on each of May 20, 2027, May 20, 2028, and May 20, 2029. The exercise price of these Options is equal to 110% of the closing price of the Issuer's common stock as of the date of grant.
Footnote F1 (shares): Represents the shares of the Issuer's common stock underlying a grant of a restricted stock unit ("RSU") to the Reporting Person on February 9, 2026, which vested in full on the date of grant. RSUs convert into common stock on a one-for-one basis.
Footnote F1 (shares): Represents sale of shares to issuer pursuant to issuer tender offer exempt under Rule 16b-3.
Footnote F3 (shares): Reflects indirect holding of 7,500 shares of common stock that were inadvertently excluded from previous reports filed by the reporting person.
Footnote F4 (shares): Systems Trading, Inc. is a company owned by the reporting person and of which the reporting person currently serves as Chief Executive Officer and President.
Data Storage Corp (DTST) had 13 insider filings in the last 90 days, with the most recent on 2026-09-15. The full record for DTST runs to 52 Form 4 filings, the earliest from 2024-12-12. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying DTST stock?
No insider purchases of DTST were filed in the last 90 days.
How many insiders are selling DTST stock?
4 insider sales of DTST were filed in the last 90 days, totaling $40K.
Where can I see DTST SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects DTST Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Thomas Kempster - DirectorOpen-market sale$10K
John Argen - DirectorOpen-market sale$9K
