Public-market investing produces one tidy consolidated 1099. Private-market investing produces a folder — and part of the investor’s job is knowing which documents to expect, which to chase, and which had to be created at the moment of investment or not at all.
If you hold fund interests: the K-1
Funds organized as partnerships report each investor’s share of income, gains, and losses on a Schedule K-1. K-1s are famously late — they depend on the fund’s own accounting — and often arrive after the standard filing deadline, making extensions a routine part of fund investors’ lives rather than a red flag. Multi-state operations can add state K-1s to the pile.
If you hold shares directly
Buying creates little paper; selling creates obligations. A private sale without a broker often generates no 1099 at all — which does not make the gain invisible, it makes the reporting yours, from your own records of basis and proceeds. This is why the transfer agreement, the wire confirmations, and your original purchase records are tax documents in waiting: file them like it.
If your shares came from employment
Equity compensation adds its own cast. Exercising incentive stock options generates an information form from the company (and possible alternative-minimum-tax consequences worth professional advice before exercising). Non-qualified option exercises show up in wage reporting. And restricted stock introduces the one document with an unforgiving clock: the 83(b) election, which — when it makes sense — must be filed within 30 days of the grant. There is no late 83(b); there is only the one you filed or the one you didn’t.
The investor’s filing habit
Keep a per-investment file: acquisition documents and basis, every capital call or follow-on, annual K-1s or valuations, and exit paperwork. Selling (costs and taxes here) is when the whole file earns its keep — basis you can’t document is basis you may not get. None of this is advice; all of it is the map of questions to bring a tax professional while the answers can still change.
Educational only. InvestNow is a demonstration platform. This page is general information, not investment, legal, or tax advice, and not an offer or solicitation of any security. Private-market investments are speculative, illiquid, and can lose their entire value. Consult a qualified professional about your circumstances.