The plan already filed the fee. The sponsor still pays a line that may not match the peer band. That gap is the product.
The idea mills keep minting a 401(k) chatbot, a fee-negotiator app, and a plancheck.ai. Three names. One object. A disclosure page that does not sit next to the Form 5500 the administrator already signed.
Greg Isenberg’s stream and the daily micro-SaaS accounts keep splitting the same reader. One post wants a universal inbox for itemized receipts. Another wants a private tool that flags math errors on a legal bill. A third wants receipt matching so a small shop can see duplicate charges. Useful pieces. Wrong cut if you leave them as separate products. The sponsor does not wake up wanting a new dashboard. The sponsor wakes up because the recordkeeper invoice moved and nobody compared it to the filing.
The disclosure is not the file
Most sponsors treat the annual fee notice as weather. It arrives. They file it. They pay. The file underneath it is larger than the notice: Schedule H administrative expenses on Form 5500, the participant count that sets the band, the basis-point load on year-end assets, and the 404a-5 disclosure the plan was already required to send.
That participant notice is not optional color. Under 29 CFR 2550.404a-5, fiduciaries of participant-directed individual account plans must disclose plan-level and investment-level fee information at least once in any 14-month period. The Department of Labor still collects that disclosure regime under OMB 1210-0090. The notice is the page in the drawer. The filing is the public number.
The Department of Labor posts Form 5500 datasets from EFAST2 and updates the 2009-and-later sets around the first of each month. A stranger can pull Schedule H without a subpoena. The gap is not missing data. The gap is that the sponsor’s page and the public row do not get read on the same afternoon.
Why this week, not a vibe
In September 2026, Admin316’s Russell McNorton published a cut of the public file, not a vendor survey. EIN Presswire carried it on September 14, 2026. 401(k) Specialist Magazine carried the same cut on September 18, 2026. The sample is every 2024 plan-year Form 5500 with a Schedule H, pension feature code 2K, at least 25 active participants, positive administrative expenses, and positive end-of-year assets. That is 48,944 plans.
The national median in that cut is $162 per participant and 27.0 basis points. The median is the wrong number to stop on. Scale drives the band.
- Plans with 25 to 99 active participants: 4,063 plans, median $364 per participant, 32.5 basis points, 90th percentile $977.
- Plans with 100 to 249: 19,372 plans, median $228, 31.8 basis points, 90th percentile $548.
- Plans with 250 to 500: 11,010 plans, median $166, 28.7 basis points, 90th percentile $382.
- Plans with 500 or more: 14,499 plans, median $104, 18.6 basis points, 90th percentile $250.
Among the 34,423 plans under 500 participants, 30.6 percent paid more than twice the national median per participant. That is about 10,500 plans paying above $324 per person in the 2024 filings alone. McNorton’s line in the September 14 release is the operating rule: paying $977 per participant is not itself a breach. Paying it without a comparison is a harder position to defend.
That is the 2026 shift. The filings were always public. The peer band, cut by headcount and signed under penalty of perjury, is now a published table a checker can point at. A benchmark deck from the recordkeeper is no longer the only number in the room.
Two primitives, one wedge
Primitive one is photo-and-PDF review. The mills have been shipping receipt readers for months. The input here is the annual 404a-5 fee disclosure, the recordkeeper invoice, or the administrative-expense line on the sponsor’s copy of Form 5500. Plan name in the header. Participant count if printed. Dollar fee or basis points if printed. No login for the first answer.
Primitive two is the file the institution was forced to produce. Form 5500, Schedule H, administrative expenses, joined to the size band in the September 2026 Admin316 cut of 48,944 plans. The mills keep these apart: a reader, a letter filler, a benchmark PDF. The sponsor needs them on one page.
The wedge is a free checker. Not a platform. Photo or PDF in. Three labels back: fee line sits inside the band for that participant count, fee line sits above the band, or the page is too thin to tell. If the page has a dollar fee and a headcount, show dollars per participant next to the median and the 90th percentile for that band. If the page has assets, show basis points next to 27.0. Thirty seconds. No account.
Do not start by filing with the Department of Labor. Do not start by moving money. The first action a stranger will take this week is a photograph of a page they already have.
The map is the moat
One disclosure is a favor. Ten thousand disclosures are a labeled map: recordkeeper, plan size band, year, dollars per participant, basis points, and whether the sponsor’s page matched the filing. That map is not a third dashboard. It is the dataset a sponsor, a payroll buyer, and a fiduciary reviewer cannot assemble from a single PDF.
Charge after the page proves a mismatch, or do not charge. A draft question for the recordkeeper, or a draft note for the next committee meeting, is worth a small fee once the checker has a label. A demand that fees be reset, a participant claim, or a filing with EBSA is not a model’s job to send. Models draft. The sponsor signs. Irreversible steps stay with a human.
The compounding path is the labeled set, not a portal that stores every plan document. Plan documents are a swamp. The administrative-expense line is a number. Numbers compound. PDFs do not.
A build order that will survive contact
- Week 1–2: one checker. Photo or PDF in. Inside band, above band, or page too thin. Use the September 2026 bands, and say so on the page. No account for the first answer.
- Week 3–4: a draft question pack with a human signer. One question to the recordkeeper. One note for the committee. A cheap per-letter fee only after the first free verdict.
- Month 2: join the sponsor’s page to the public Form 5500 row when the EIN or plan number is on the page. Show filed administrative expense next to the invoice. Do not tell the sponsor the fee is a breach. Tell the sponsor the two numbers.
- Month 3: add the 404a-5 investment-expense table as a second label. Same wedge. Different line. Revenue sharing that never appears on the invoice still belongs on the map.
- After volume: the map. Dollars per participant by recordkeeper and size band. Sell the map to advisors who already run committee meetings. Keep the checker free.
What to refuse
Refuse a national retirement operating system. Refuse an agent that moves plan assets. Refuse a product whose only wedge is “AI for HR productivity.” Refuse a letter that accuses a fiduciary of a breach before a person has read the page and signed the send. Excessive-fee pleading is a lawyer’s work. The checker’s work is the label.
Also refuse the slogan. A receipt inbox and a legal-bill scrubber are real tools. They are not this company. The sponsor’s problem is not a missing transaction description. The sponsor’s problem is an administrative line that may not match a filing the plan already made, against a peer band a September 2026 cut already published.
Join the line
This is the plan version of a pair the mills keep splitting: a document the customer already holds, plus a file the institution was forced to publish, joined while the 2024 filings are still the fresh public set.
The noticing used to require a benchmarking firm and a quarter. It now requires a model that can read the page and a person who will sign anything that leaves the building. Recovery still works because the first check costs the sponsor almost nothing. Charge them after the filing proves a mismatch, or do not charge them.
Someone will own the labeled map of billed versus filed. The mills will keep proposing a new .ai name for each fee PDF. Ignore the names. Join the line. Keep the map.
Will Tygart — Tygart Media.
This is the idea-mill series.
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