Diligence memo · auto-generated · as of July 2, 2026
Threat Stack, Inc.
Threat Stack, Inc. looks over-valued against its niche peers and is dormant on financing cadence.
Businessfiled
Threat Stack, Inc. operates in Cybersecurity, based in BOSTON.
No verified homepage on file yet — operating evidence is limited to the public record.
Capital & rounds (filed)filed
Threat Stack, Inc. has raised $60M in disclosed capital across 5 recorded rounds, aggregated from public filings. Its latest round is modeled as Series B (a $15M–$40M round).
Largest single filing: $33M on 2017-09-08.
Most recent recorded round closed around 2017-09-08.
Valuation (modeled)modeled
Provath models Threat Stack, Inc. at approximately $1.1B (range $81M–$4.3B). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Read: Over-valued. Modeled value is 2.07× the median modeled value of Series B Cybersecurity companies in 2016–2018 (5 peers) — value vs value, same stage and era.
Financing rhythm & timingmixed
Historic cadence: a new round about every 8 months.
Last raise 8.8 yr ago; this sector typically re-raises about every 15 months.
Silent for over 3× the sector's normal cadence.
The last round stepped up 2.1× from the prior — scaling.
Comparablesmixed
Capital scale ranks ahead of 91% of Cybersecurity peers (270 compared).
Modeled value ranks above 97% of those peers.
Closest niche peers: Securly, Inc., Red Balloon Security, Inc., Security First Corp., 3VR Security Inc.
Peoplefiled
14 named people on file across officers, directors and signatories.
Risks & flagsmixed
Financing has been silent well beyond sector cadence — possibly defunct, acquired, or paused.
Modeled above niche peers — valuation risk on entry.
No clearly named CEO/founder/principal in the surfaced records — key-person evidence is thin.