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Santa Barbara, CA · Other · Form D filed Oct 14, 2026

Affinity Biosensors LLC raised $4.9M

Affinity Biosensors LLC is a company based in Santa Barbara, California. In an amended Form D filed with the SEC on October 14, 2026, it reported raising $4,904,771 from 1 investor as part of an offering of up to $10,000,000. The first sale in the offering took place on March 20, 2026.

$41.9M raised since 2020

8 Form D offerings, as reported to the SEC, the first in Nov 4, 2020. Amendments update a round; they aren't counted twice.

FiledSoldOffering sizeInvestors
Mar 23, 2026$4.9M$10M1
Dec 2, 2024$14.4M$15M27
Jun 7, 2024$3.7M$4M27
Nov 14, 2023$2.4M$3M12
Jul 28, 2023$3.5M$3.5M17
Dec 7, 2022$3.7M$4M15
Nov 17, 2021$5M$5M21
Nov 4, 2020$4.3M$5.1M21

Lead score

33 out of 100

filed this week still raising budget to spend

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Filing details

Amount raised
$4,904,771
Offering size
$10,000,000
Investors so far
1
First sale
March 20, 2026
Securities offered
Equity, Other
Exemption claimed
Rule 506(b)
Industry
Other
Headquarters
Santa Barbara, California
Incorporated
California
Entity type
Limited Liability Company

Filings

FiledFormRaisedOffering sizeInvestorsSource
D/A (amendment) $4,904,771 $10,000,000 1 SEC filing
D/A (amendment) $4,804,771 $10,000,000 1 SEC filing

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

Updated · Raises in the week of Oct 12, 2026 · Other funding in California

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