IMPL

NASDAQ

Impel Pharmaceuticals Common

Total Halts

Top Reason

Volatility Pause

7×

Data Since

2021

3yr history

Never miss a IMPL haltGet instant push notifications.

Get Alerts — Free Download App

Halt Reasons

LUDPVolatility Pause

T3News + Resumption

Halt History

Date	Time	Reason	Price	Vol	Bid	Ask	Day Range	52Wk Range
Sep 13, 2023	10:42 AM - 10:34 AM×2	LUDP	—	—	—	—	—	—
May 17, 2023	9:47 AM	LUDP	—	—	—	—	—	—
Sep 28, 2022	9:30 AM	LUDP	—	—	—	—	—	—
Sep 3, 2021	8:25 AM	T3	—	—	—	—	—	—
Aug 19, 2021	10:25 AM - 9:32 AM×3	LUDP	—	—	—	—	—	—

⚡ Get real-time IMPL halt alerts →

📚 Understand the data

❓Trading Halt FAQHow halts work, how long they last, and how to trade them.🏷️Halt Reason CodesDecode LUDP, T1, T12, and every exchange halt code.

5,000+

active traders

free halts daily

years of IMPL data

24/7

market monitoring

Historical data sourced from NASDAQ and NYSE public halt feeds. This page is for informational purposes only and does not constitute financial advice.

Last 30 Days

Get instant alerts for every halt — full history, reason codes, and pre-halt signals.

ℹ️ Halt Reasons ❓ FAQ

🐦 Share on X