Expirations steal the show today. On an otherwise quiet Monday,

PNV's

(PNVN)

lockup terminates and

Software Technologies'

(STCS)

and

ON Semiconductor's

(ONNN)

respective quiet periods end.

IPO Lockups Expiring

(TheStreet.com's

Ben Holmes, who heads

TSC's

ipoPros.com subsidiary, keeps a close eye on lockup expirations every week. For more on lockups and why they matter, check out Holmes' primer on the subject. The full current lockup list is published separately.

)

Lockup End

Deal Name

Symbol

Lead Underwriter

5/18/00

PNV

(PNVN:Nasdaq)

CIBC World Markets

IPO Quiet Periods Expiring

(TheStreet.com's

Ben Holmes, who heads

TSC's

ipoPros.com subsidiary, keeps a close eye on quiet-period expirations every week. For more on quiet periods and why they matter, check out Holmes' primer on the subject.

)

Quiet Period End

Deal Name

Symbol

Lead Underwriter

5/22/00

Software Technologies

(STCS:Nasdaq)

Morgan Stanley Dean Witter

5/22/00

ON Semiconductor (SCG Holdings)

(ONNN:Nasdaq)

Morgan Stanley Dean Witter