A quarterly report runs to thousands of lines. Rivian's latest 10-Q, filed on October 29, is 2,496 lines in Equibles' reader. Most investors read the press release instead and miss what the filing adds: where the revenue really came from, how much cash the company burned, and how many new shares it sold.
With Equibles connected to ChatGPT or Claude, you can ask the filing questions in plain English and get answers that quote the exact lines, with a link to each one. This guide walks through six prompts on Rivian's (RIVN $13.29 -5.48%) Q3 2026 10-Q. Every answer below is real tool output from November 3, 2026.
Before you start
Connect the Equibles MCP server to your assistant once: ChatGPT setup or Claude setup. After that, the assistant picks the right tool on its own; you never type a tool name.
1. Find the filing
Find Rivian's latest 10-Q and tell me in two sentences what it covers.
The assistant calls ListFilings and gets the filing with its date, size and a short summary:
- 10-Q for the quarter ended September 30, 2026, filed October 29, 2,496 lines.
- Summary: nine-month revenue of $5,194 million, gross profit of $474 million and a net loss of $2,162 million; deliveries rose to 41,807 as R2 deliveries began in the second quarter.
The answer includes the filing's ID, which the assistant uses for every question that follows, and a link to the filing on Equibles.
2. Where did the revenue come from?
Show me Rivian's revenue by source for the third quarter, against a year earlier.
The assistant searches the filing (SearchDocument) and reads the revenue note line by line (ReadDocumentLines):
- New vehicles: $1,469 million, up from $1,141 million.
- Regulatory credits: $81 million, up from $1 million.
- Software and services: $605 million, up from $416 million.
- Total: $2,155 million, up from $1,558 million, or 38%.
Regulatory credits are tradable emissions credits that Rivian earns by selling electric vehicles and then sells to other companies. They depend on regulation rather than on demand for the cars, so it helps to see them apart from vehicle sales, especially in a quarter with $176 million of gross profit.
3. What changed, and why?
Why did Rivian's automotive revenue rise, according to the 10-Q? Quote the explanation.
The answer quotes management's discussion, line 1,165 of the filing:
"Automotive revenues increased for the three months ended September 30, 2026 compared to the three months ended September 30, 2025 primarily due to a 46% increase in vehicle deliveries and an $80 million increase in revenues related to regulatory credits, which were partially offset by a decline in average vehicle selling price due to a higher mix of R2 and commercial van deliveries."
Deliveries rose to 19,248 from 13,201. More R2s and commercial vans in the mix brought the average selling price down, which is what you would expect as a lower-priced model ramps up.
4. Can it pay its bills?
How much cash does Rivian have, how much did it burn last quarter, and what does the 10-Q say about funding?
The assistant combines the filing with GetFinancialStatement:
- Cash and short-term investments: $5,502 million on September 30, down from $6,082 million at the end of 2025.
- Cash burned in Q3: operating cash flow of -$758 million and capital spending of $366 million, about $1.1 billion together.
- Management's view (line 1,334): cash, short-term investments and its credit facility "will be sufficient to meet our operating expenses, working capital, and capital expenditure needs for at least the next 12 months."
- And a few lines later (line 1,437): "We expect that we will need to seek additional equity and/or debt financing in both the near- and long-term."
Ask for both sentences. A filing that says the money lasts a year can also say more will be needed, and both are true. The quarterly statements are on Rivian's financials page.
5. Did it sell new shares?
Did Rivian issue new shares this year? To whom, how many, and at what price?
The equity note (lines 953 and 955) answers it:
- 63 million shares to Volkswagen Group, when testing milestones in their investment agreement were met. The filing values that tranche at about $1.0 billion, or $15.90 a share.
- 20 million shares to Uber, under a subscription agreement.
- 86.25 million shares in a July public offering at $15.50, with net proceeds of about $1,317 million.
Shares outstanding rose to 1,460 million on September 30 from 1,240 million at the end of 2025, an increase of 17.7%. The stock closed at $13.19 on November 2, below the July offering price. This is the part of a 10-Q that press releases rarely lead with, and it is where dilution shows up first.
6. Who does it depend on?
What does the 10-Q say about Rivian's dependence on particular customers or partners? Quote the risk factors.
The assistant searches the risk factor summary and returns two lines:
- Line 124: "a significant portion of our software and services revenues has been from Volkswagen Group."
- Line 136: "A significant portion of our automotive revenues has been from one customer that is an affiliate of one of our principal stockholders."
The filing does not name the automotive customer in that line. In its business overview it says that "Amazon has ordered an initial volume of 100,000 EDVs globally, subject to modification," so a natural follow-up is to ask the assistant to find Rivian's principal stockholders in its latest proxy statement or 10-K and connect the two.
Put it together in one prompt
Read Rivian's latest 10-Q and give me: revenue by source against a year earlier, management's explanation of the change, cash and quarterly cash burn, what the filing says about future funding, every share issuance this year with its price, and the customer and partner dependence in the risk factors. Quote the filing for each point and give the line number.
To go further, ask what changed in the risk factors since the previous 10-Q, or run the same prompt on the 10-K for the full-year picture.
How to check what the assistant tells you
- Every answer comes with line numbers and a link that opens the filing at those lines. Click one or two before you rely on the rest.
- Ask for quotes, not summaries, on anything you would act on: funding, dilution, customer dependence.
- Compare the filing with the press release. The 10-Q is where share issuance, credit revenue and going-concern language appear in full.
The same six prompts work on any US company's 10-Q or 10-K: swap the name. Add Equibles to ChatGPT or Claude to read filings this way yourself.
This guide is for education, not investment advice. Figures are as of November 3, 2026.