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Palo Alto, CA · Technology · Form D filed Sep 11, 2026

Cube Security Inc. raised $48.5M

Cube Security Inc. is a technology company based in Palo Alto, California. In a Form D filed with the SEC on September 11, 2026, it reported raising $48,519,636 from 32 investors as part of an offering of up to $48,519,636. The first sale in the offering took place on August 28, 2026.

$75.5M raised since 2020

6 Form D offerings, as reported to the SEC, the first in Jun 22, 2022. Amendments update a round; they aren't counted twice.

FiledSoldOffering sizeInvestors
Sep 11, 2026$48.5M$48.5M32
Jan 5, 2026$5.2M$5.2M14
Jun 28, 2024$14.3M$17.5M34
Jun 23, 2023$650K$1M3
Sep 6, 2022$6.7M$8M21
Jun 22, 2022$100K$100K6

Lead score

17 out of 100

budget to spend

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Filing details

Amount raised
$48,519,636
Offering size
$48,519,636
Investors so far
32
First sale
August 28, 2026
Securities offered
Equity, Other
Exemption claimed
Rule 506(b)
Industry
Technology
Headquarters
Palo Alto, California
Incorporated
Delaware, 2022
Entity type
Corporation

Filings

FiledFormRaisedOffering sizeInvestorsSource
D (new notice) $48,519,636 $48,519,636 32 SEC filing

Figures come from the company's own filing with the SEC and are shown as reported. How to read a Form D.

Updated · Raises in the week of Sep 7, 2026 · Technology funding in California · September 2026 funding report

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Armadin, Inc.

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3rd Form D since 2025

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