Rithmm

Predictive Analytics · Machine Learning
$4.5Mtotal raised · 2 rounds on record
$2.5Mlatest round · Venture round · Apr 2024 · 2 yr ago
1backers · Boston Seed Capital
5team · US Form 5500 (plan participants) · Dec 2025 · -29% in a year

Overview

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Key facts

These are the key facts about Rithmm on Alion as of Nov 13, 2026. Rithmm is headquartered in Chestnut Hill, United States. It was founded in 2021. It has raised $4.5M in 2 funding rounds. The latest round is Venture - Series Unknown of $2.5M, announced in 2024.

Headquarters
Chestnut Hill, United StatesAlion company profile, updated Sep 28, 2026
Founded
2021Alion company profile, updated Sep 28, 2026
Employees
10+Alion company profile, an estimated range
Total raised
$4.5MSum of 2 equity rounds Alion knows
Latest round
Venture - Series Unknown · $2.5M · Apr 26, 2024SEC Form D filing · sec.gov
Official records

Funding and backers

Total raised
$4.5M
2 rounds on record
Latest round
$2.5M
Venture round · Apr 2024 · 2 yr ago
Team
5
US Form 5500 (plan participants) · Dec 2025 · -29% in a year
Backers
1
Boston Seed Capital
The money's age
Long since its last round
30 months since the last round · not hiring
Momentum
0/100
no fresh signals
Last sign of life
1 mo ago
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Apr 26, 2024 Raised a round Venture round $2.5M · SEC Form D May 8, 2023 Raised a round Venture round $2M · SEC Form D 2021 Founded
Funding rounds
RoundDateAmountInvestorsSource
Venture round Apr 2024 $2.5M — SEC Form D
Venture round May 2023 $2M — SEC Form D
Registers and programsofficial lists and records that name the company
Legal entity RITHMM, INC. SEC Form D
Founders and leadersfrom filings, registers and the company's site
Brian BeachkofskiExecutive Officer, DirectorSEC Form D
Kelsey FischExecutive OfficerSEC Form D
Megan LanhamExecutive Officer, DirectorSEC Form D
Kelsey FishExecutive OfficerSEC Form D
Backed byfrom the funds' portfolios and accelerator catalogs
Boston Seed Capital fund
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Financials

Total raised
$4.5M
Latest round
Venture - Series Unknown
Funding rounds
2
Funding rounds
Round Announced Amount
Venture - Series Unknown 2024 $2.5M Details
Venture - Series Unknown 2023 $2M Details

People

Brian Beachkofski
Executive Officer, Director
SEC Form D
Kelsey Fisch
Executive Officer
SEC Form D
Megan Lanham
Executive Officer, Director
SEC Form D
Kelsey Fish
Executive Officer
SEC Form D
Peter Blacklow
Director
SEC Form D
Brian Rubenstein
Director
SEC Form D
Names and roles come from public filings, company registers and the company's own site. Is this you? Correct or remove · How we handle this data

Connections

List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Shared investors1
Boston Seed CapitalVia a fund
33 portfolio companies: Indico Data, Goingclear, Theknot and 30 more
Report a mistake

Offices

Where the company hires and what each office is for
Cities
1
Hiring now
0
Countries
1
Chestnut Hill United States
HQ
10-50 est. staff

How to cite this page

Alion, "Rithmm: key facts", as of Nov 13, 2026. https://alion.io/company/rithmm

These figures are published under a free licence. You may reuse them, including commercially, as long as you credit Alion and link back to this page. CC BY-SA 4.0