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Hindsight Markets Recaps Small-cap stocks on August 6, 2026

ASPN, August 6: an 8-K and $8.10

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ASPN opened up 46% after an 8-K, ran to $8.10, then fell below its open by the close.

News via Stock News API

8-KNews$8.10$5.014 a.m.9:30noon4 p.m.8 p.m.
ASPN on August 6, 2026, one-minute bars, New York time. Bands: halts. Flags: the news or filing before the move. Dotted line: the previous close. Shaded: before the 9:30 a.m. open and after the 4:00 p.m. close.

What happened

Before the open

The news came first: an 8-K at 6:30 a.m. Before the bell it reached $7.29, on 515K shares.

The open

It opened up 46%, at $7.30. It ran to $8.10 by 10:35 a.m.

The close

It closed at $6.89, 15% under its high.

What to take from it: The whole move was given back: it finished below the price it opened at.

The details

How it traded, step by step

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, below the open.

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'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
$5.01
Open, 9:30 a.m.
$7.30
Gap at the open
+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
Close, 4 p.m.
$6.89
Change at 4 p.m.
+37.5%
After-hours high, 4 p.m. to 8 p.m.
$7.01 at 7:57 p.m.
Volume, 4 a.m. to 4 p.m.
8.09 million
Volume after hours, 4 p.m. to 8 p.m.
290,879
Relative volume by 8 p.m.
12.1×
Float
70.01 million shares, from filings as of August 6, 2026
Shares outstanding
82.88 million
  • 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%).
  • In our recaps, this is the only day ASPN met the small-cap rule.

On the day's lists: the intraday runners. It is here because it was in play on the intraday runners: up 30% or more on $3 million or more really traded, outside the small-cap rule's price, relative volume or float, 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 ASPN 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 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.

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