Bluesonde

QuietClimate · Carbon & env

Bluesonde Technologies, Inc.

Bluesonde is advancing scalable water intelligence with next generation real-time monitoring systems. Our compact, low-maintenance platforms reduce vessel trips and upkeep, making it possible for both established programs and first-time users to deploy networks of any size and stream actionable data

bluesonde.com · Portland, ME

Source Form DCIK 0002160814as of 2026-11-13

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Funding event

The round itself, as filed

Inferred stagePre-seed

Sold of offered$1.0M of $1.0M

Filed2026-10-29

Days since filing15

Exemption claimed: Rule 506(b)
First-ever Form D: Yes
Date of first sale: 2025-11-11

Investors

No investors named: Form D does not list them

Officers on the filing

Names and roles as filed; addresses are never stored

Andrew ThompsonExecutive Officer · Director
John WilliamsExecutive Officer · Director
Tim DysonExecutive Officer · Director

Health flags

Three flags, each with the raw inputs behind it · as of 2026-11-13

UndersubscribedNot flagged$1.0M of $1.0M sold12.1 months since first sale

Prior raiseNot flaggedPrior raise not known—

AmendedNot flaggedNo amendmentNo D/A on file

Open roles

On the employer's own careers page · checked 2026-11-04

Pre-posting windowNot enough dataShown once this sector and stage have 20 observed lags from filing to first posting.

No open roles foundWe read careers pages daily.

Also raised in Climate

Same sector, 28 days to 2026-11-15

All Climate rounds

ElectraSeed · $3.5M of $12.3M · Boston, MAQuiet Outlast PowerPre-seed · $100K · Dover, NYQuiet

28 rounds in Climate in the 28 days to 2026-11-12, against 39 in the 28 days before.

The week, written up