Hindsight Markets / Small-cap stocks on August 31, 2026

MOBX on August 31, 2026: why it ran

Published October 11, 2026 · By Hindsight Markets

On August 31, 2026, MOBX opened up 3.6% from the previous close of 1.11 and reached 1.58 at 10:42 a.m. ET. The exchange did not halt it.

Previous close

1.11

Open, 9:30 a.m.

1.15

Gap at the open

up 3.6%

Pre-market high

1.20 at 8:45 a.m.

High, 4 a.m. to 4 p.m.

1.58 at 10:42 a.m.

Low, 4 a.m. to 4 p.m.

1.08

After-hours high, 4 p.m. to 8 p.m.

1.35 at 6:48 p.m.

Last trade before 4:00 p.m.

1.32

Volume

4.64 million

Relative volume

19.0x

Float

15.33 million shares, from filings as of August 31, 2026

Shares outstanding

16.85 million

Halts

none in the halt feed

Why it ran

News and SEC filings for MOBX published between the previous session's close and the first minute MOBX traded 20% above it, at 10:23 a.m. ET, newest first, from the same feeds the replay shows.

1. 9:40 a.m. ET · Business Wire

   Mobix Labs (Nasdaq: MOBX) Drone Acquisition Target Vision Aerial Opens Vulcan Orders, Projects 93% Revenue Growth in 2027

2. 8:45 a.m. ET · Business Wire

   Vision Aerial Begins Production of American-Built Vulcan Drone Family Ahead of Acquisition by Mobix Labs (Nasdaq: MOBX)

3. 8:00 a.m. ET · Business Wire

   Mobix Labs' Pending Drone Acquisition, Vision Aerial, Projects 93% Revenue Growth

News via Stock News API

How it traded

Intraday run. It opened up 3.6% at 1.15, then ran from the open to the high of 1.58 in 72 minutes.

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 43 minutes after the latest news item before it (Business Wire, 9:40 a.m.).
• Volume, from the one-minute bars: 238,439 shares before the 9:30 a.m. open (5%), 477,686 in the first 30 minutes (10%), and 3.92 million in the rest of the day to 8 p.m. (85%).
• Other days MOBX met the small-cap rule in our recaps: 2, the latest on October 6, 2026.

Halts

The exchange's halt feed shows no halts for MOBX 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.