How to tell if a company is diluting its shares right now
Dilution is not a rumour you have to guess at. It leaves a paper trail with dates on it, all free to read. Here are the four checks, in the order I run them, from the one that proves dilution already happened to the one that shows it is armed and waiting.
1. The share count, on the cover page
This is the ground truth and it takes thirty seconds. Every 10-Q and 10-K states shares outstanding as of a recent date on its cover page, before any financial statement. Pull the last three or four and write the numbers down. Rising a few percent a year is normal. Rising 40% or 100% is your answer, and no press release can argue with it.
2. Recent sales, in the 8-K
An 8-K under Item 3.02 reports unregistered sales of equity securities, usually within four business days. This is dilution that already happened, and it is the most concrete evidence available.
3. Standing permission, in the S-3 or 424B5
A shelf registration that has gone effective means the company may issue new shares whenever it likes. A 424B5 prospectus supplement means it is actually doing so, and the at-the-market flavour means it can sell continuously into open trading, including into a rally you are buying.
4. Queued supply, in resale registrations
This is the check people miss. When private investors or warrant holders want to sell their shares publicly, the company registers those shares for resale, often in an S-1 or a 424B3. The document states exactly how many shares are being registered. Compare that number to shares outstanding.
A real one, dated: Creative Medical Technology ($CELZ) reported 3,696,668 shares outstanding on its last quarterly cover page. On August 3, 2026it filed a prospectus registering 5,580,680 shares for resale, issuable on exercise of warrants from a June 30 private placement. That is roughly 1.5 times the entire company queued as potential supply, and it was public three days before the stock spiked over 100%.
Putting it together
One flag alone means little. A company with an effective shelf and a flat share count has the machine but has not used it. A company with a climbing share count, a live ATM and a fresh resale registration is diluting now, has permission to keep going, and has more supply waiting. That combination is the one worth knowing about before you buy a breakout, not after.
Related reading: watered down stock explained simply, how share dilution works, and what a reverse split says about past dilution.
PumpProof runs these checks automatically on hyped tickers and scores the result. Educational, not advice.