Hindsight Markets Small-cap stocks on September 4, 2026
IMRN on September 4, 2026: why it ran
On September 4, 2026, IMRN opened up 61.6% from the previous close of 1.12 and reached 1.99 at 9:45 a.m. ET. The exchange did not halt it.
- Previous close
- 1.12
- Open, 9:30 a.m.
- 1.81
- Gap at the open
- up 61.6%
- Pre-market high
- 1.98 at 7:31 a.m.
- High, 4 a.m. to 4 p.m.
- 1.99 at 9:45 a.m.
- Low, 4 a.m. to 4 p.m.
- 1.13
- After-hours high, 4 p.m. to 8 p.m.
- 1.82 at 4:04 p.m.
- Last trade before 4:00 p.m.
- 1.78
- Volume
- 65.23 million
- Relative volume
- 11699.4x
- Float
- 6.47 million shares, from filings as of September 4, 2026
- Shares outstanding
- 6.71 million
- Halts
- none in the halt feed
Replay IMRN's day
It starts at 7:13 a.m. ET with the real Level 2, time and sales and chart, from the same feed the replay plays, stops at 7:16 a.m. and asks what you would do. Or press Play on any moment in How it traded.
The day, step by step
- Small cap
- Momentum
- Main move: pre-market
- Catalyst: news
- Float traded 10x
- Gap and fade
- Bid wall eaten
Pre-market: the float traded by 6:48 a.m.
The previous close was $1.12. The day before, only 1,500 shares traded. This is a thin stock.
At 6:00 a.m. GlobeNewsWire ran: “Immuron to launch PROIBS® in the United States”. The first bars after it, from 6:02 a.m., were small. At 6:12 a.m. it was around $1.28 and volume was still small.
The big volume started at 6:13 a.m. From $1.20 at 6:14 a.m. it ran to $1.48 at 6:17 a.m., up 23%. From $1.29 at 6:18 a.m. it ran to $1.60 at 6:27 a.m., up 24%.
By 6:48 a.m., more shares had traded than exist in the whole float (6.47 million).
From $1.56 at 6:53 a.m. it ran to the pre-market high, $1.98 at 7:31 a.m. 33.21 million shares traded before the bell.
At 9:11 a.m. Benzinga ran: “Immuron Stock Surges Friday: What's Driving the Action?”. The stock was around $1.75 then.
The open and the push to $1.99
It opened at $1.81, up 62% from the previous close. The 9:30 minute traded 978,016 shares and dipped to $1.74.
From $1.75 at 9:40 a.m. it worked back up. At 9:45 a.m. it hit $1.99. That minute traded over a million shares. There was also a large ask wall at $2.00 that had first shown up at 7:02 a.m.
Within a minute it was back at $1.85, and by the close of the 9:46 candle it was $1.90.
The bid at $1.84
After the first push faded, a bid wall appeared at $1.84 at 9:41. It peaked at 152,742 shares, about 2.4% of the float.
Stop It's 9:48. IMRN is at $1.90. Just below, a bid wall that peaked at about 150,000 shares at 9:41 sits at $1.84, and the stock hit $1.99 three minutes ago. Would you buy here?
Press play: the real Level 2, time and sales and chart stop at 9:48 a.m. ET for your call, then show what happened. The clip starts at 9:45 a.m. ET.
At 9:49:28 the wall was eaten. 24,558 shares traded at exactly $1.84, and the 9:49 candle fell to $1.82. The stock dropped to $1.71 at 9:54. At 9:56 a new bid wall formed at $1.75.
A lower high at $1.86
The bid at $1.75 grew to 189,635 shares at 9:57, about 2.9% of the float. The stock held at or above it for the next 48 minutes.
It came back once more. At 10:07 a.m. it pushed to $1.86, a lower high under the $1.99 top. A 128,289-share buy sweep went through at 10:30 and moved it from $1.80 to $1.82.
The $1.75 bid was eaten at 10:45:59. 61,003 shares traded at exactly $1.75 in 0.8 seconds. Within eight minutes it was down to $1.66 at 10:53.
The bid at $1.55
A large bid wall at $1.55 was first seen at 6:41 a.m. It peaked at 136,787 shares at 1:18 p.m., about 2% of the float.
From 1:23:57 p.m., in 1.4 seconds 63,929 shares traded at $1.55. The stock's low after the open was $1.54 at 1:24 p.m. It then bounced to $1.65 at 1:34 p.m.
The rest of the day
It closed at $1.78, up 59% on the day. In the last regular-session hour it traded between $1.68 and $1.82.
By the close, 29.66 million shares had traded in the regular session. Counting pre-market too, the float changed hands about 10 times, at over 11,000 times its normal volume (normal is tiny: about 5,600 shares a day).
After hours it traded 2.37 million more shares, with a high of $1.82 at 4:04 p.m. The last bar, at 7:59 p.m., closed at $1.69.
What to take from it
- After the top, the next push stopped lower. $1.99 at 9:45 a.m., then $1.86 at 10:07 a.m.
- Big bid walls are not floors. The $1.84 wall and the $1.75 wall were both eaten, with the heavy trading at each price lasting under a second.
- The float traded over before the open. By 6:48 a.m.
Why it ran
News and SEC filings for IMRN published between the previous session's close and the first minute IMRN traded 20% above it, at 6:13 a.m. ET, newest first, from the same feeds the replay shows.
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Immuron to launch PROIBS® in the United States
News via Stock News API
How it traded
Gap and fade. It gapped up 61.6% to 1.81 at the open and traded below the open by 4:00 p.m., at 1.78.
| Time (ET) | What happened | Watch it |
|---|---|---|
| 6:00 a.m. | News (GlobeNewsWire): Immuron to launch PROIBS® in the United States | |
| 6:13 a.m. | First trade 20% above the previous close of 1.12 | |
| 6:48 a.m. | Volume since 4:00 a.m. passes the whole float, 6.47 million shares | |
| 7:31 a.m. | Pre-market high, 1.98 | |
| 9:30 a.m. | The open: 1.81, up 61.6% from the previous close | |
| 9:45 a.m. | High of the day to the close, 1.99 | |
| 3:59 p.m. | Last trade before the 4:00 p.m. close, 1.78, 10.6% 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 13 minutes after the latest news item before it (GlobeNewsWire, 6:00 a.m.).
- Volume, from the one-minute bars: 33.21 million shares before the 9:30 a.m. open (51%), 13.11 million in the first 30 minutes (20%), and 18.92 million in the rest of the day to 8 p.m. (29%).
- Float rotation, the volume since 4 a.m. against the float of 6.47 million shares: past it once at 6:48 a.m., twice at 7:24 a.m., three times at 7:46 a.m.
- In our recaps, this is the only day IMRN met the small-cap rule.
Halts
The exchange's halt feed shows no halts for IMRN 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 IMRN 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.