(TheStreet.com's Ben Holmes, who heads TSC's ipoPros.com subsidiary, keeps a close eye on lockup expirations every week. For more on quiet periods and why they matter, check out Holmes' primer on the subject. The full current quiet period list is published separately. For information on IPO pricings, filings and aftermarket activity, plus a calendar of upcoming IPOs, check out TheStreet.com's IPO data section. )

Quiet Period End

Deal Name

Symbol

Lead Underwriter

10/23/00

At Road

(ARDI:Nasdaq)

Credit Suisse First Boston

10/23/00

Ciphergen Biosystems

(CIPH:Nasdaq)

SG Cowen

10/23/00

Head

(HED:NYSE)

Morgan Stanley Dean Witter

10/23/00

Proton Energy Systems

(PRTN:Nasdaq)

Morgan Stanley Dean Witter

10/23/00

Simple Technology

(STEC:Nasdaq)

Lehman Brothers

10/23/00

Vastera

(VAST:Nasdaq)

Deutsche Banc Alex. Brown