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NexEos Diagnostics, Inc.

Updated Oct 27, 2026·Latest SEC filing Feb 17, 2026·Suggest an edit

About NexEos Diagnostics

NexEos Diagnostics is a private company based in Chester Springs, Pennsylvania. It has reported $25,694,546 raised in five offerings on Form D since July 2019. Its chief executive is Stephen Tullman.

Funding Rounds (SEC Form D)

First saleFiled with SECAmount soldInvestorsAvg. checkTermsFiling
Feb 2, 2026Feb 17, 2026$3,000,000fully sold19$157KEquityRule 506(b)Form D ↗
May 23, 2024Jun 6, 2024$4,916,907fully sold22$223KEquityRule 506(b)Form D ↗
Feb 14, 2023Feb 15, 2023$5,100,000fully sold19$268KEquityRule 506(b)Form D ↗
Oct 1, 2021Oct 12, 2021$9,677,639fully sold21$460KEquityRule 506(b)Form D ↗
Jul 3, 2019Jul 30, 2019$3,000,000of $5.5M target4$750KEquity, OptionsRule 506(b)Form D ↗
Total, five offerings$25,694,546

First sale is the date the first investor in the offering committed to invest. Companies must file Form D within 15 days of that date, so filing dates run later.

Leadership Team

Executive officers and directors listed on NexEos Diagnostics's Form D filed Feb 17, 2026.

TM
Theresa Mansi
Executive officer
LM
Louis Manzi
Director
DL
JH
Jeff Himawan
Director
ST
Stephen Tullman
Chief Executive Officer and director

Earlier filings also listed Nicholas Sicilano (director, last listed Oct 2021).

Sources

  1. SECNexEos Diagnostics, Inc. filing history