Form D · Biotechnology

Pinteon Therapeutics, Inc.

Newton Centre, MA · CIK 0001613926

Offering snapshot reported Nov 12, 2025 · SEC filing

Reported sold
$29.2M
Offering amount: $32.1M
Investors reported
2
Form D · investor count
Minimum accepted
$0
Reported outside-investor minimum
First sale
Jan 7, 2022
As reported in this filing

Fundraising history

Reported sold
Reported amount sold by Form D filing date$0$14.6M$29.2MJan 11, 2022: $25,085,718.00Jan 11, 2022Nov 15, 2023: $28,085,713.00Nov 15, 2023Nov 12, 2024: $29,035,709.00Nov 12, 2024Nov 12, 2025: $29,185,713.00Nov 12, 2025

Dates are filing dates, not cash receipt dates. Decreases are reported revisions, not evidence of withdrawals. Separate offering histories are not added together.

What changed?

Latest filing versus its linked predecessor, where available.

  • Reported sold$29,035,709 → $29,185,713

Filing history

Scroll to see all columns →

FiledFiling typeReported soldChange vs linked filingInvestorsSource
Nov 12, 2025Amendment$29,185,713$150,004vs Nov 12, 20242SEC filing
Nov 12, 2024Amendment$29,035,709$949,996vs Nov 15, 20232SEC filing
Nov 15, 2023Amendment$28,085,713$2,999,995vs Jan 11, 20222SEC filing
Jan 11, 2022Initial$25,085,718No comparison2SEC filing
Aug 22, 2017Amendment$10,006,317$6,500,001vs Aug 26, 20161SEC filing
Aug 26, 2016Amendment$3,506,316$500,000vs Jul 22, 20141SEC filing
Jul 22, 2014Initial$3,006,316No comparison1SEC filing

Offering details

Securities
Equity
Exemptions
06b
Duration over one year
Yes
Business combination
No
Sales commissions
$0
Finders' fees
$0
Form D file number
021-428842

Source: Form D, filed Nov 12, 2025. Minimum accepted may differ from a standard advertised minimum.

Fund connections

No confirmed ADV fund connection is available for this issuer.

People & organizations

Current and past Form D appearances. These existing records do not establish a person's current role or uniquely identify them across issuers.

People and organizations reported in Form D filings
NameReported role
Justin Burns Director
Jason R. Dinges Director, Executive
Jeffrey L. Ives Director
Martin Jefson Director, Executive
Steven Kelly Director, Executive
Kun Ping Lu Director
Westley Nolin Director
Stephanie O'brien Director

Issuer details

Industry: Biotechnology (See others in industry)

Address:
1188 Centre Street
Newton Centre, MA, 02459