TL;DR. The Investor Rights Agreement (IRA) is the second of the four Series Seed documents. It bundles the ongoing rights that investors receive after closing: registration rights, information rights, pro rata (preemptive) rights, and affirmative and negative covenants. Pro rata is the most negotiated provision; everything else is relatively boilerplate.
This post is part of the Montague Entrepreneur Forms Library — a free, plain-English collection of the legal documents every startup needs between its first day and its Series A. Pillar: Raise the Money.
What this document actually does
The IRA is the post-closing rights document. The Stock Purchase Agreement handles the one-time act of selling preferred stock at closing. The IRA handles everything that happens after closing for as long as the preferred stock is outstanding. It bundles five distinct rights: (1) registration rights — the right to force the company to register the investor’s shares for public sale at an IPO; (2) information rights — the right to receive periodic financial statements and budget information; (3) inspection rights — the right to visit the company’s offices and review its books; (4) pro rata (preemptive) rights — the right to participate in future financings to maintain percentage ownership; and (5) affirmative and negative covenants — obligations the company takes on to preserve the investors’ economic position.
When you’ll encounter it
At the same time as the SPA. The four Series Seed documents close together. The IRA remains in force until the company goes public (at which point most of its provisions terminate) or is acquired (at which point all of them do). Every subsequent priced round will typically amend and restate the IRA to fold in the new investors’ rights, so the document you sign at Series Seed is not the final form — it’s the version in force for the period between the seed round and the Series A.
The narrative — pro rata is the term that matters
For a founder negotiating a seed round, the four provisions in the IRA fall on a spectrum. Registration rights are near-theoretical — they only become relevant at IPO, and the market form is so standardized that meaningful negotiation is unusual. Information rights are negotiated at the margins: how often, how detailed, who gets them (the "Major Investor" threshold). Affirmative and negative covenants are a modest negotiation — founders want fewer, investors want more. Pro rata is where the real fight happens. A pro rata right lets an investor maintain their percentage ownership by buying their share of every subsequent round. Over several rounds, the difference between having pro rata and not having pro rata can be the difference between an investor holding 5% of the company and holding 0.8% of the company. Lead investors always get pro rata. Follow-on investors often do. Very small investors sometimes don’t — and small investors who don’t have pro rata will push for it, because it’s the single provision that most directly determines their eventual return.
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The levers
Lever 1 — The Major Investor threshold
Information rights, inspection rights, and pro rata are typically limited to "Major Investors" — those holding shares above a defined threshold (often $250K–$1M of original investment). The threshold determines how many investors the company has to send monthly financials to. Set it carefully; too low and you’re reporting to fifteen investors every month.
Lever 2 — Information rights depth
Standard package: audited annual financials, unaudited quarterly financials, and an annual operating budget. Some leads push for unaudited monthly financials — founders should resist unless the lead is genuinely contributing strategic oversight. Reporting takes real time.
Lever 3 — Pro rata mechanics
Pro rata lets the Major Investor participate in future financings to maintain percentage ownership. The exact mechanics — how notice is given, how long the investor has to exercise, what counts as a qualifying round, whether pro rata survives the IPO — all matter. Typically pro rata terminates at the IPO.
Lever 4 — Protective covenants
The IRA typically includes a list of affirmative and negative covenants — things the company must do (obtain annual 409A valuations, maintain D&O insurance) and things it cannot do without board approval (incur debt above a threshold, enter into related-party transactions, hire or fire the CEO). Founders negotiate the list of "protective provisions" that require the preferred director’s approval.
The pro rata clause
Each Major Investor shall have a right of first offer to purchase its pro rata share of any New Securities that the Company may, from time to time, propose to sell and issue. A Major Investor’s pro rata share, for purposes of this right of first offer, is the ratio of (a) the number of shares of Common Stock held by such Major Investor (including shares issuable upon conversion of Preferred Stock) to (b) the total number of shares of Common Stock then outstanding (on an as-converted, fully-diluted basis).
This is the provision that determines whether the investor can maintain ownership through subsequent rounds. Note that pro rata is calculated on an as-converted, fully-diluted basis — which is the correct way to do it but can surprise founders who are used to thinking in terms of issued and outstanding common stock.
Traps for the unwary
- Setting the Major Investor threshold too low. If every investor qualifies as a Major Investor, you’re reporting to your whole cap table monthly.
- Overpromising on information rights. Monthly financials sound fine until month twelve when your finance team is a founder with QuickBooks.
- Protective provisions that are too broad. If the preferred director has to approve every $50K expense, you’ve given up operational control.
- Registration rights with unusual indemnity. The registration rights section is boilerplate for a reason — don’t negotiate it unless you have a specific concern.
- Forgetting to terminate on IPO. Most provisions of the IRA should terminate at the IPO; make sure the termination language is clean.
How this fits into the founder journey
The IRA is document #2 of the Series Seed stack. It sits alongside the SPA, the Voting Agreement, and the ROFR and Co-Sale Agreement. At Series A, the IRA will be amended and restated to fold in the new investors.
Get this reviewed by Montague Law
Working on a deal? Montague Law drafts, reviews, and customizes startup legal documents on a flat fee designed for founders — not at the hourly rates of the big firms whose work product this library is designed to match. If you want this form tailored to your company, or a second set of eyes before you sign, email John.
This post is for general information only and is not legal advice. No attorney-client relationship is formed by reading it. If you’re about to sign something that matters, talk to a lawyer — preferably one who’s seen at least a hundred of these.
