UPC, September 1: a Schedule 13G and an after-hours run to $6.20

After-hours run. It opened up 0.0% at $4.58 and traded at $4.39 at the 4:00 p.m. close, then ran 41.2% from $4.39 to $6.20 at 6:37 p.m. after the close, on 805,501 shares traded after hours.

The shape's name comes from a fixed rule, not a judgement (how shapes are named). Halts are in the halt table below.

Previous close

$4.58

Open, 9:30 a.m.

$4.58

Gap at the open

+0.0%

Pre-market high

$4.69 at 5:32 a.m.

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

$4.76 at 11:13 a.m.

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

$4.26

Close, 4 p.m.

$4.39

Change at 4 p.m.

−4.1%

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

$6.20 at 6:37 p.m.

Volume, 4 a.m. to 4 p.m.

5,358

Volume after hours, 4 p.m. to 8 p.m.

805,501

Relative volume by 8 p.m.

17.5×

Float

4.95 million shares, from filings as of September 1, 2026

Shares outstanding

5.02 million

• From news to the move: the first trade 20% above the previous close came less than a minute after the latest SEC filing before it (SCHEDULE 13G, 6:09 p.m.).
• Volume, from the one-minute bars: 3 shares before the 9:30 a.m. open (0%), 2,490 in the first 30 minutes (0%), and 808,366 in the rest of the day to 8 p.m. (100%).
• Other days UPC met the small-cap rule in our recaps: 3, the latest on October 22, 2026.
• The next session, September 2, 2026, it gapped up 17.8% at 9:30 a.m.

On the day's lists: the intraday runners, after-hours movers. 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).

The exchange's halt feed shows no halts for UPC that day.

Halt bands that day: the LULD plan's Amendment 18 rules (what that means, LULD calculator).