Form D · Biotechnology

Porosome Therapeutics, Inc.

Boston, MA · CIK 0001934919

Offering snapshot reported Mar 24, 2026 · SEC filing

Reported sold
$3.63M
Indefinite offering
Investors reported
7
Form D · investor count
Minimum accepted
$50K
Reported outside-investor minimum
First sale
Sep 8, 2023
As reported in this filing

Fundraising history

Reported sold
Reported amount sold by Form D filing date$0$1.81M$3.63MSep 14, 2023: $1,500,024.00Sep 14, 2023Jul 25, 2024: $1,000,000.00Jul 25, 2024Jun 3, 2025: $2,500,000.00Jun 3, 2025Mar 24, 2026: $3,625,000.00Mar 24, 2026

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$2,500,000 → $3,625,000
  • Reported investors3 → 7

Filing history

Scroll to see all columns →

FiledFiling typeReported soldChange vs linked filingInvestorsSource
Mar 24, 2026Amendment$3,625,000$1,125,000vs Jun 3, 20257SEC filing
Jun 3, 2025Amendment$2,500,000$999,976vs Sep 14, 20233SEC filing
Jul 25, 2024Amendment$1,000,000-$500,024vs Sep 14, 20233SEC filing
Sep 14, 2023Initial$1,500,024No comparison3SEC filing
Jun 24, 2022Initial$305,000No comparison3SEC filing

Offering details

Securities
Equity
Exemptions
06b
Duration over one year
No
Business combination
No
Sales commissions
$0
Finders' fees
$0
Form D file number
021-492097

Source: Form D, filed Mar 24, 2026. 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
Guillermo Marmol Executive

Issuer details

Industry: Biotechnology (See others in industry)

Address:
One Boston Place, Ste 2631
Boston, MA, 02108