Shackleton AI
Agentic operating system for construction that unifies development and project management workflows.
New York, NY
Funding event
The round itself, as filedStage · pressSeed
Amount sold$5.0M
Filed2026-11-04
Days since filing9
Investors · press-matched
Battery VenturesBrick & Mortar VenturesTrust VenturesCorrelation VenturesMotivate PartnersThayer Investment PartnersAct One VenturesBrainstorm VenturesSilence VCPress release
Form D does not name investors; these come from the matched release, as a fact with a link.
Officers on the filing
Names and roles as filed; addresses are never storedNo officers named on this filing.
Health flags
Three flags, each with the raw inputs behind itNot computed yet for this company.
Open roles
On the employer's own careers page · check date not recorded0
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 AI & data
Same sector, 28 days to 2026-11-15falSeries A · $10.8M of $10.8M · San Francisco, CAHiring activelyPluraiSeed · $13.0M · New York, NYQuiet
27 rounds in AI & data in the 28 days to 2026-11-12, against 24 in the 28 days before.