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10-K and Earnings Call Prospecting Brief
A brief built from the 10-K and the last earnings call, with every line marked for whether you can actually send it.
The quote is the easy part. Page one of this query is the same four-section tour: Item 1, Item 1A, Item 7, Item 8, run a keyword search, paste a verbatim line into an email. What none of it tells you is which lines survive a reply. An adjusted margin quoted as a reported one, a projection quoted as a commitment, a risk factor that reads identically in three competitors' filings: each of those tells a CFO you skimmed.
River finds the annual report and the most recent call, reads them together, and marks every line it pulls. Adjusted figures are flagged, because SEC rules require a company to show the closest standard accounting figure beside them and reconcile the two, and the adjustment is usually the interesting part. Projections are flagged too, since the legal safe harbor for them exists because a projection is not a promise. Each surviving line carries its item number, its page and the date it was said.
Built for the account executive opening a named enterprise account, and the SDR with one paragraph to prove they read something. It prepares writing, for listed companies only. The account research brief prepares a conversation with any company, public or private, from the site, the job board and the news. To read a competitor's annual report rather than a prospect's, use the 10-K analysis for competitive intelligence. Run this before the first email and again after each quarterly call.
Which lines survive the reply
The most useful sentence on an earnings call is almost never in the prepared remarks. Prepared remarks are written, reviewed and rehearsed, which is why every rep quotes them and why they carry no information a press release did not. The question-and-answer section is different. An analyst who asks the same thing a third time is telling you the answer was unsatisfying, and the executive answering it under pressure names the plant, the region or the customer that the script left out.
Risk factors are the section everyone is told to mine and the worst source of a personalised line. They are drafted defensively, and the same sentence about attracting and retaining qualified personnel appears in filings across an entire sector. Management's discussion is where the company is required to name the known trends and uncertainties reasonably likely to affect results. That is a company describing its own year in its own words, and a quote from it lands as research rather than as a template.
Dates matter more than sections. An annual report filed in February has been overtaken by two quarterly reports and two calls by the autumn, and a priority nobody has mentioned since is not a priority. Every line in the register carries the date it was said and whether a later filing changed it. Everything quoted is already public: Regulation FD makes a company publish material information broadly, and an announced call anyone can join is one accepted way.
How it works
Name the company
Ticker or company name, plus what you sell and to whom if you want the angles.
River reads both
It finds the annual report and the latest call, and reads both in full, analyst questions included.
Check the verdicts
Each line is marked quotable, paraphrase only or struck, with the reason beside it.
Write the email
Use the two or three lines that survived, and the angle each one opens.
What you get
- Every pulled line carries its item number, its page, the speaker and the date
- Adjusted figures flagged, so an adjusted margin never leaves your outbox as a reported one
- Forward-looking statements marked, because a projection quoted as a commitment invites one short correction
- Prepared remarks separated from analyst questions, where the unscripted answers and the named sites are
- Sector boilerplate identified by comparison with peer filings, then struck rather than quoted
- A stated priority with no mention in two quarters marked as stale, not current
Common questions
Do I need to find the filing and the transcript?
No. River finds the latest annual and quarterly reports on EDGAR, the SEC's free filing database, and looks for the call transcript or prepared remarks on the company's investor relations page. If no written transcript is published, it works from the earnings release and says which part of the call it could not read. Attach a transcript if you have one.
What if the company is private?
Then there is no filing, and the honest answer is that this is the wrong starting point. Private companies publish less and what they do publish is marketing. Use the account research brief instead, which works from the site, the job board and the news, and says plainly where a section came up empty.
Why does it care whether a number is adjusted?
Because the prospect does. Adjusted figures exclude something, and the something is normally restructuring, impairment or stock compensation. Quote an adjusted margin as the reported one to a finance leader and the reply corrects you rather than answering you. The register names the measure so your sentence says adjusted where the company said adjusted.
How does it decide something is boilerplate?
By comparison. A risk factor is boilerplate when the same construction turns up in the filings of companies that share nothing with this one but a sector code. Those sentences are drafted to be defensible, not descriptive. They come out of the register with the peer filings named, so you can see why the line was struck.
Can I run it across a whole target list?
Yes, one company at a time in the same space, which is how the comparison work becomes useful. Once three or four accounts in a sector are read, the boilerplate identifies itself and the genuinely specific lines stand out. Clean and rank the list first if it is long, then read the top tier properly.
Does it write the email?
It writes the angle, not the email. Each surviving line comes with what it opens: the question to ask, the function that owns the problem, and what would make the line stale. Reps write better first lines when they can see the source sentence and its date beside their own draft.
Sources
Built by
Chandler Supple
Co-founder & CEO, River
Chandler has spent the last six years working in AI, building tools for millions of users and Fortune 100 companies. In 2025, he co-founded River to build a new kind of operating system for AI agents.
10-K and Earnings Call Prospecting Brief
Describe what you need, add any files you have, and your workspace opens with the work already underway.