Hindsight Markets Recaps Small-cap stocks on September 4, 2026
NSAI, September 4: an after-hours run to $43.50
NSAI barely moved in the regular session, then ran to $43.50 after the close.
What happened
Before the open
We found no news or filing before the move.
The open
It opened near its previous close, at $9.85.
The close
It closed at $9.86, near its high. After the close it ran to $43.50 by 4:36 p.m.
What to take from it: The day's real move came after the 4 p.m. close, not in the regular session.
The details
How it traded, step by step
After-hours run. It opened up 0.3% at $9.85 and traded at $9.86 at the 4:00 p.m. close, then ran 341.2% from $9.86 to $43.50 at 4:36 p.m. after the close, on 447,961 shares traded after hours.
| Time (ET) | What happened |
|---|---|
| 9:30 a.m. | The open: $9.85, up 0.3% from the previous close |
| 12:08 p.m. | High of the day to the close, $9.86 |
| 3:53 p.m. | Last trade before the 4:00 p.m. close, $9.86, 0.0% below the high |
| 4:30 p.m. | First trade 20% above the previous close of $9.82 |
The shape's name comes from a fixed rule, not a judgement (how shapes are named). Halts are in the halt table below.
The day in numbers
- Previous close
- $9.82
- Open, 9:30 a.m.
- $9.85
- Gap at the open
- +0.3%
- Pre-market high
- not available
- High, 4 a.m. to 4 p.m.
- $9.86 at 12:08 p.m.
- Low, 4 a.m. to 4 p.m.
- $9.84
- Close, 4 p.m.
- $9.86
- Change at 4 p.m.
- +0.4%
- After-hours high, 4 p.m. to 8 p.m.
- $43.50 at 4:36 p.m.
- Volume, 4 a.m. to 4 p.m.
- 38,836
- Volume after hours, 4 p.m. to 8 p.m.
- 447,961
- Relative volume by 8 p.m.
- n/m
- Float
- 10.00 million shares, from filings as of September 4, 2026
- Shares outstanding
- 15.06 million
- Volume, from the one-minute bars: 0 shares before the 9:30 a.m. open (0%), 17 in the first 30 minutes (0%), and 486,780 in the rest of the day to 8 p.m. (100%).
- In our recaps, this is the only day NSAI met the small-cap rule.
On the day's lists: the intraday runners. It is here because it met the small-cap rule on the intraday runners: price $2 to $20, up 10% or more, relative volume 5× or more, float under 20 million shares, its high reached $1 or more and it started the day at $20 or under (the rule every page uses).
Halts (none)
The exchange's halt feed shows no halts for NSAI that day.
Halt bands that day: the LULD plan's Amendment 18 rules (what that means, LULD calculator).
How we read the data, name a day's shape and pick the stocks: methodology.
Trade this day
Replay NSAI on September 4, 2026 in Hindsight Markets: the real tape, the order book and the halts, on a clock you control, and see where your orders would have filled.