To claim a loss on worthless stock, treat the shares as if you sold them for $0 on the last day of the tax year they became completely worthless, then report the loss on Form 8949 and carry it to Schedule D of your Form 1040. The result is a capital loss equal to your cost basis: it offsets capital gains first, then up to $3,000 of ordinary income per year ($1,500 if married filing separately), with any excess carrying forward to future years.
When Stock Actually Counts as Worthless
Section 165(g) of the Internal Revenue Code allows the deduction only when a security becomes completely worthless during the tax year. A partial decline doesn’t qualify, no matter how steep. A stock trading at a penny still has market value. A company operating with a few assets on its books still has theoretical equity. Neither one supports a deduction.
The clean triggers are events that eliminate all remaining equity. A Chapter 7 liquidation in which creditors absorb every asset leaves the stock unquestionably worthless. A Chapter 11 plan that cancels existing shares or gives equity holders zero recovery generally does the same. If old shareholders receive even a token distribution of new shares under the plan, though, the original stock may not yet be worthless for tax purposes.
Delisting is not worthlessness. A stock kicked off a major exchange can keep trading over the counter, and the underlying business may still be running. As long as the shares have any residual market value or the company retains assets that could eventually reach shareholders, the IRS will not treat them as worthless.
Reporting the Loss on Form 8949 and Schedule D
The IRS deems the sale to occur on December 31 of the year the stock became worthless. That deemed date fixes two things: the tax year you claim the loss, and whether the loss is short-term or long-term. If you held the shares more than one year before that December 31, the loss is long-term. One year or less, and it’s short-term.
Use Form 8949 to report each worthless security. Short-term losses go in Part I, long-term losses in Part II. For each holding, enter:
- The company name and number of shares in the description column.
- Your original purchase date in the date-acquired column.
- December 31 of the year of worthlessness as the date sold.
- $0 in the sales proceeds column.
- Your cost basis, including commissions paid at purchase, in the basis column.
If you bought shares in multiple lots, each lot has its own basis and acquisition date and generally gets its own line. The totals from Form 8949 flow onto Schedule D, which nets your gains and losses for the year.
How the Loss Gets Used
On Schedule D, capital losses first offset capital gains of the same character: short-term against short-term, long-term against long-term. Excess losses in one category then offset the other. If your total capital losses still exceed your total capital gains, you can deduct up to $3,000 of the remainder against ordinary income, or $1,500 if you’re married filing separately. Anything left over carries forward indefinitely to future tax years until it’s fully used.
Track the carryover figure carefully. You’ll need it on next year’s Schedule D and every year after that until the loss is absorbed.
Nailing Down Your Cost Basis
Cost basis is generally what you paid for the shares plus any transaction fees or commissions. Brokerage confirmation statements from the original purchase are the cleanest proof.
Inherited shares work differently. The basis of inherited stock is generally the fair market value on the date of the decedent’s death, not what the original owner paid. If the stock was already worthless when the decedent died, the fair market value at death was $0, and there is no deductible basis. Inheriting shares that a parent bought for $50,000 does not give you a $50,000 loss deduction if those shares were already worthless when you received them.
Abandoning Shares That Haven’t Quite Hit Zero
A stock can be clearly on its way to zero without being formally worthless. The company still technically exists, or the shares trade at a fraction of a cent. You can force the deduction by abandoning the security: permanently surrendering all rights and receiving nothing in exchange. Selling the shares to a friend for a dollar does not count.
To abandon stock, notify your broker in writing that you are giving up all ownership rights and want the shares removed from your account with no payment. Some brokerages have a formal abandonment process. Others will buy worthless shares from you for a nominal amount like $0.01, which is technically a sale rather than an abandonment. Both routes generate a deductible capital loss reported on Form 8949.
Section 1244 Stock: Ordinary Loss Treatment for Small Business Investors
If your worthless shares are in a qualifying small business, Section 1244 lets you treat up to $50,000 of the loss as an ordinary loss rather than a capital loss. Married couples filing jointly can claim up to $100,000. An ordinary loss offsets wages, self-employment income, and other ordinary income dollar for dollar, without the $3,000 annual cap that limits capital losses.
To qualify as Section 1244 stock, the shares must meet all of the following:
- The issuer is a domestic (U.S.) corporation.
- You acquired the stock directly from the corporation in exchange for money or property, not on the secondary market.
- At the time of issuance, the corporation had received no more than $1 million total for all its stock, capital contributions, and paid-in surplus.
- During the five most recent tax years before the loss, more than 50% of the corporation’s gross receipts came from active business operations rather than passive sources like rents, royalties, dividends, and interest.
Section 1244 losses are reported on Form 4797, Part II, line 10, rather than on Form 8949. Any portion of the loss above the $50,000 or $100,000 ordinary-loss ceiling is treated as a capital loss and goes on Schedule D. If there’s any chance your shares qualify, work through the requirements before you file. The tax savings can be substantial.
Worthless Stock Inside a Retirement Account
If the worthless shares are held in an IRA, 401(k), or other qualified retirement plan, you cannot claim a separate capital loss deduction. The worthless securities rules do not reach investments inside these accounts. The loss is absorbed into the account’s overall value and only affects your taxes indirectly, by reducing the taxable amount when you eventually take distributions.
Claiming Worthlessness for a Prior Year
Companies often linger for years before final dissolution, and investors don’t always notice when the last light goes out. The tax code gives you extra time for this. Under Section 6511(d)(1), you have seven years from the original filing deadline to amend a return and claim a worthless securities deduction, rather than the standard three-year window.
File Form 1040-X for the specific year the stock became worthless, and attach a revised Form 8949 and Schedule D showing the loss. Form 1040-X can be filed electronically through tax software, which is faster than mailing paper. In the explanation section, describe the event that made the stock worthless and when it occurred. If the IRS accepts the claim, it will issue a refund or credit.
The hardest part is picking the right year. The loss belongs in the year the stock actually became worthless, not the year you realized it. If you claim the wrong year, the IRS can deny the deduction outright. When the year is genuinely uncertain, claiming it in the earliest reasonable year gives you the most protection, because the seven-year clock runs from that year’s filing deadline.
Records to Keep
The IRS specifically requires seven years of recordkeeping for worthless securities losses, longer than the three-year retention that covers most tax documents. Your file for each claim should include:
- Purchase records: brokerage confirmations showing acquisition date, price per share, number of shares, and commissions.
- Evidence of worthlessness: bankruptcy court filings, dissolution records, final communications from the company, news of the shutdown, or broker correspondence confirming the shares were removed as worthless.
- Tax forms: copies of Form 8949, Schedule D, your full return for the year of the loss, and any amended returns.
- Carryover tracking: a running record of the remaining loss balance applied in each later year until it is fully used.
If the IRS questions the deduction, you have to prove both your basis and the year the stock became worthless. Courts consistently deny the deduction when a taxpayer cannot point to an identifiable event that triggered worthlessness. A general belief that the stock “must have been worthless by then” is not enough. A court order, a dissolution filing, or the cancellation of shares under a bankruptcy plan is what turns a shaky claim into a solid one.