Form D · Other Health Care

Layer Health, Inc.

Boston, MA · CIK 0002053469

Offering snapshot reported Dec 18, 2025 · SEC filing

Reported sold
$29.5M
Offering amount: $29.5M
Investors reported
10
Form D · investor count
Minimum accepted
$0
Reported outside-investor minimum
First sale
Dec 20, 2024
As reported in this filing

Fundraising history

Reported sold
Reported amount sold by Form D filing date$0$14.8M$29.5MApr 8, 2025: $26,049,993.00Apr 8, 2025Dec 18, 2025: $29,549,980.00Dec 18, 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$26,049,993 → $29,549,980
  • Reported investors8 → 10

Filing history

Scroll to see all columns →

FiledFiling typeReported soldChange vs linked filingInvestorsSource
Dec 18, 2025Amendment$29,549,980$3,499,987vs Apr 8, 202510SEC filing
Apr 8, 2025Initial$26,049,993No comparison8SEC 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
021-543167

Source: Form D, filed Dec 18, 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
Lynne O'keefe Director
Anthony Philippakis Director
David A. Sontag Director, Executive

Issuer details

Industry: Other Health Care (See others in industry)

Address:
141 Tremont St, Floor 4
Boston, MA, 02111