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    <dei:EntityRegistrantName contextRef="AsOf2026-10-30" id="Fact000011">Vertical Data Inc.</dei:EntityRegistrantName>
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    <dei:AmendmentDescription contextRef="AsOf2026-10-30" id="Fact000031">This
Amendment No. 1 on Form 8-K/A (this &#x201c;Amendment&#x201d;) amends the Current Report on Form 8-K of Vertical Data Inc. (the &#x201c;Company&#x201d;) originally filed with the Securities and Exchange Commission on November 5, 2026 (the &#x201c;Original
Form 8-K&#x201d;), which reported the closing of the Company&#x2019;s private placement on November 2, 2026 (the &#x201c;Private Placement&#x201d;) in which it issued an aggregate of 1,413,640 shares of the Company&#x2019;s common stock, par value $0.0001 per
share (the &#x201c;Common Stock&#x201d;), at an offering price of $3.00 per share of Common Stock. The gross proceeds of the Private Placement are expected to be approximately $4.2 million, before deducting offering expenses payable by the Company.&#160;The
Company is furnishing this Amendment solely to refurnish pursuant to Item 7.01 of Form 8-K a corrected press release, which is attached
as Exhibit 99.1 to this Current Report on Form 8-K to correct and update references to advisory companies and their role in the Private
Placement (the &#x201c;Corrected Press Release&#x201d;). The Corrected Press Release amends and supersedes in its entirety the press
release furnished with the Original Form 8-K.

&#160;

Except
as described above, this Amendment does not modify, amend or update any other information set forth in the Original Form 8-K, and the
Company has not otherwise updated the disclosures contained therein to reflect any events that have occurred after the date of the Original
Form 8-K.

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