Diligence memo · auto-generated · as of July 2, 2026

Mattermost, Inc.

Mattermost, Inc. looks fair against its niche peers and is dormant on financing cadence.

DeprioritizeFinancing has gone silent well past the sector's normal cadence — treat as inactive until outside confirmation of a live operation.

Businessfiled

Mattermost, Inc. operates in Other Technology, based in PALO ALTO, CA, USA; Remote. Secure Collaboration for Technical Teams

Sub-sector tags: DevSecOps, Collaboration, Security, Open Source.

Capital & rounds (filed)filed

Mattermost, Inc. has raised $50M in disclosed capital across 1 recorded round, aggregated from public filings. Its latest round is modeled as Series C (a $40M–$100M round).

Largest single filing: $50M on 2019-06-19.

Most recent recorded round closed around 2019-06-19.

Valuation (modeled)modeled

Provath models Mattermost, Inc. at approximately $1.6B (range $191M–$4.2B). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.

Read: Fair. Modeled value is 1.10× the median modeled value of Series C Other Technology companies in 2019–2021 (203 peers) — value vs value, same stage and era. Within the normal band (110% of peer median) for its niche.

Financing rhythm & timingmixed

Last raise 7.0 yr ago; this sector typically re-raises about every 13 months.

Only one round on record and long silent — often defunct, acquired, or gone quiet.

Comparablesmixed

Capital scale ranks ahead of 93% of Other Technology peers (21302 compared).

Modeled value ranks above 98% of those peers.

Closest niche peers: Aldol, Mark Miner,INC, Aoex, Llc, aidol, LLC, vtoken, llc.

Peoplefiled

4 named people on file across officers, directors and signatories.

Risks & flagsmixed

Financing has been silent well beyond sector cadence — possibly defunct, acquired, or paused.

No clearly named CEO/founder/principal in the surfaced records — key-person evidence is thin.