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Rythm

RYM on Nasdaq. Market value $46m.

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Should I look at this?

We have not checked this company yet

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Who owns it

None of the long-term investors we follow own it. 16 funds in all.

Jun '25
Dec '25
Jun '26
Largest holders overall

From 13F filings for the quarter ended 30 June 2026.

Big holders and activists

3 investors own more than 5%.

  • RSLGH, LLC
    at least 89.9%0.0 pts
    (filed with 5 related holders)
    Since 1 September 2026
    What they said

    Item 4 of the Schedule 13D is hereby amended and supplemented as follows (which shall be in addition to the information previously included in the Schedule 13D): --Warrant Issuance-- On September 1, 2026, the Company issued Interest Warrants exercisable for up to (i) 57,377…

    Read the filing
  • FOR SUCCESS HOLDING COMPANY
    Insider or founder
    at least 89.9%+39.9 pts
    (filed with 2 related holders)
    Since 10 August 2026
    What they said

    Item 4 of the Schedule 13D is hereby amended and supplemented as follows (which shall be in addition to the information previously included in the Schedule 13D): --Amendment to Warrants, Notes and Services Agreement-- On August 10, 2026, following the adjournment of a special…

    Read the filing
  • DOUBLE OR NOTHING LLC
    Passive investor
    at least 9.9%−0.1 pts
    (filed with 2 related holders)
    Since 31 December 2025
  • I-Tseng Jenny Chan
    Insider or founder
    Sold down below 5%
    Since 31 December 2024
  • Raymond Nobu Chang
    Insider or founder
    Sold down below 5%
    Since 31 December 2024

From Schedule 13D and 13G filings: anyone owning more than 5% must file one.

What insiders did

No insider bought shares on the open market in the last 12 months. 3 sold $321,400.

  • Vakili Armon
    Director
    Sold
    Date
    17 June 2026
    Shares
    2,250
    Price
    $26.52
    Value
    $59,677
  • Holtzman Max
    Director
    Sold
    Date
    16 June 2026
    Shares
    5,000
    Price
    $26.00
    Value
    $129,996
  • MAHONEY TIMOTHY
    Director
    Sold
    Date
    11 June 2026
    Shares
    5,000
    Price
    $26.35
    Value
    $131,727

From Form 4 filings: insiders must report trades in their own company's shares within two days.

Warning signs in its filings

Problems the company itself reported to the SEC, in its own words.

None of the serious warning signs we check for were found. 1 thing worth knowing.

We look for five warning signs: doubt it can keep going, weak checks on its own accounts, a notice that its past accounts can't be relied on, a change of auditor, and one customer bringing in a big share of sales. We don't check lawsuits, investigations or debt yet.

We checked the auditor's report, internal controls, restatement notices, auditor changes and big customers in the 10-K filed 3 Mar 2026, plus the 10-Q filed 4 Aug 2026 and 5 later 8-Ks.

  • One big customer

    Worth knowing

    One customer brings in a big share of sales: 45% last year. Losing that customer would hurt.

    “For the year ended December 31, 2025, a related party customer and a third-party customer accounted for approximately 45% and 12% of the Company’s revenue, respectively.”

    From the 10-K filed 3 March 2026, Item 8. Financial Statements and Notes. Read it in the filing

A 10-K is the yearly report every US company files with the SEC. An 8-K is a short notice of a big event.

The deep dive

Everything above is arithmetic on public filings. The deep dive reads the last ten years of annual reports, the proxy statements, and the earnings calls, then argues the case the way Buffett, Klarman, and Hohn would, and checks every claim against the source.

  • What the business is worth, as a range, and the margin of safety at today’s price
  • Prices to start buying, buy, and buy hard
  • The three things that would make this a mistake
  • Every number footnoted to the filing it came from
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What a finished deep dive looks like

Not advice. Numbers on this page come from SEC filings and are updated each night; prices are updated again after the US market closes. The five-year figures are rounded.