Hindsight Markets Small-cap stocks on August 6, 2026
ASPN on August 6, 2026: why it ran
On August 6, 2026, ASPN opened up 45.7% from the previous close of 5.01 and reached 8.10 at 10:35 a.m. ET. The exchange did not halt it.
- Previous close
- 5.01
- Open, 9:30 a.m.
- 7.30
- Gap at the open
- up 45.7%
- Pre-market high
- 7.29 at 9:29 a.m.
- High, 4 a.m. to 4 p.m.
- 8.10 at 10:35 a.m.
- Low, 4 a.m. to 4 p.m.
- 5.08
- After-hours high, 4 p.m. to 8 p.m.
- 7.01 at 7:57 p.m.
- Last trade before 4:00 p.m.
- 6.89
- Volume
- 8.38 million
- Relative volume
- 12.1x
- Float
- 70.01 million shares, from filings as of August 6, 2026
- Shares outstanding
- 82.88 million
- Halts
- none in the halt feed
Why it ran
News and SEC filings for ASPN published between the previous session's close and the first minute ASPN traded 20% above it, at 6:35 a.m. ET, newest first, from the same feeds the replay shows.
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FORM 8-K
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Aspen Aerogels, Inc. Reports Second Quarter 2026 Financial Results and Recent Business Highlights
News via Stock News API
How it traded
Gap, run and fade. It gapped up 45.7% to 7.30 at the open, ran from the open to the high of 8.10 in 65 minutes, then gave back 151% of that move by 4:00 p.m., trading at 6.89.
| Time (ET) | What happened |
|---|---|
| 6:30 a.m. | News (GlobeNewsWire): Aspen Aerogels, Inc. Reports Second Quarter 2026 Financial Results and Recent Business Highlights |
| 6:30 a.m. | SEC filing 8-K: FORM 8-K |
| 6:35 a.m. | First trade 20% above the previous close of 5.01 |
| 9:29 a.m. | Pre-market high, 7.29 |
| 9:30 a.m. | The open: 7.30, up 45.7% from the previous close |
| 10:35 a.m. | High of the day to the close, 8.10 |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, 6.89, 14.9% below the high |
The shape is a fixed rule, not a judgement: gapped 10% or more at the open, ran 10% or more from the open to the high, and faded if it gave back 30% or more of that move by the close.
The day in numbers
- From news to the move: the first trade 20% above the previous close came 4 minutes after the latest SEC filing before it (8-K, 6:30 a.m.).
- Volume, from the one-minute bars: 515,074 shares before the 9:30 a.m. open (6%), 1.81 million in the first 30 minutes (22%), and 6.05 million in the rest of the day to 8 p.m. (72%).
Halts
The exchange's halt feed shows no halts for ASPN that day.
On this date the LULD plan ran under Amendment 18, in force from February 24, 2020: no band doubling at the open, and the closing doubling only for Tier 1 stocks and Tier 2 stocks whose previous close was at or below three dollars. See LULD halts or work out a band with the LULD calculator.
Trade this day
Replay ASPN on August 6, 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.