Transaction · 0001731122-25-000329

Kempster Thomas

Kempster Thomas, EVP, reported a transaction classified as exercise at Data Storage Corp involving 4902.000000 shares. Reported holdings after the transaction were 834485.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

exerciseSEC transaction code MEVP
DTSTData Storage Corp
Filing timeMar 04
Trade dateFeb 28, 2025
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
—
Pre-filing
1mo ago1w ago1d ago
Returns since
7d30d90d180d1y

DTST price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
DTST since 2025-03-04Filed 550 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
exercise
Code M
Identifier
0001731122-25-000329
Common Stock
Transaction date
Feb 28, 2025
Filed Mar 04, 2025, 11:29 PM · 4d delay
Shares
4.90k sh
Price unknown
Estimated value
—
Computed from shares × price
Holdings after
834k sh
Direct

Filing warnings

Notes recorded with this filing
1 warning
missing priceThe filing did not provide a usable price per share.

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Direct Ownership
-2score
Filing-only score

-2

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

EVP

Officer YesDirector Yes10% YesOther No
Footnotes & amended
  1. F1

    Represents shares of the Issuer's common stock sold to satisfy tax withholding obligations

  2. F2

    Restricted stock units ("RSUs") convert into common stock on a one-for-one basis.

  3. F3

    Represents the shares of the Issuer's common stock underlying a RSU grant to the Reporting Person on March 1, 2023, which RSUs vest over a three-year period, in three equal annual installments startin…

Original filing · 0001731122-25-000329
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