After-Hours Stock Movers:

Altimmune (NYSE: ALT) 36% LOWER; to discontinue further development of AdCOVID

Powerbridge Technologies (NASDAQ: PBTS) 27% HIGHER; adds to 100% intra-day move.

electroCore, Inc. (NASDAQ: ECOR) 14% LOWER; intends to offer and sell shares of its common stock in an underwritten public offering. All the shares to be sold in the offering will be offered by the Company. The offering is subject to market conditions and there can be no assurance as to whether or when the offering may be completed, or as to the actual size or terms of the offering. In addition, the Company intends to grant the underwriters a 45-day option to purchase up to an additional 15 percent of shares of its common stock offered in the public offering.

Riley Exploration Permian, Inc. (NYSE: REPX) 13.2% LOWER; commenced an underwritten public offering of shares of its common stock (the "Offering"). The Company intends to grant the underwriters a 30-day option to purchase up to an additional 15% of the shares of common stock sold in the Offering. The Offering is subject to market and other conditions, and there can be no assurance as to whether or when the Offering may be completed, or as to the actual size or terms of the Offering.

AMMO Inc. (NASDAQ: POWW) 9.6% HIGHER; reported Q4 EPS of $0.04, $0.05 better than the analyst estimate of ($0.01). Revenue for the quarter came in at $24.2 million versus the consensus estimate of $23.95 million. AMMO Inc. sees Q1 2021 revenue of $41 million, versus the consensus of $40 million.

Angion Biomedica Corp. (NASDAQ: ANGN) 9.5% LOWER; announced that its exploratory Phase 2 ALI-201 trial of ANG-3777 in patients with severe COVID-19 related pneumonia at high risk for acute respiratory distress syndrome (ARDS) did not meet the primary or secondary efficacy endpoints. The adverse events and overall safety of the trial were consistent with previously published reports in patients hospitalized with severe COVID-19 pneumonia.

Grid Dynamics Holdings, Inc. (NASDAQ: GDYN) 8.2% LOWER; announced the launch of a proposed underwritten follow-on public offering of 10,100,262 shares of its common stock, which will include 4,000,000 shares to be offered by Grid Dynamics and 6,100,262 shares to be offered by certain selling stockholders. Grid Dynamics will not receive any proceeds from the sale of the shares by the selling stockholder

Eagle Bulk Shipping Inc. (NASDAQ: EGLE) 6.5% LOWER; announced that certain funds and separate accounts managed by GoldenTree Asset Management LP (collectively, the Selling Shareholders) intend to offer an aggregate of 1,500,000 shares of the Companys common stock in an underwritten secondary public offering.

VOXX International (NASDAQ: VOXX) 5.8% HIGHER; DA Davidson initiates coverage with a Buy rating and a price target of $21.00.

Cerevel Therapeutics (Nasdaq: CERE) 4% LOWER; announced today that is has commenced an underwritten public offering of 14,000,000 shares of its common stock.

Barnes & Noble Education (NYSE: BNED) 3.7% LOWER; reported Q4 EPS of ($0.86), $0.29 worse than the analyst estimate of ($0.57). Revenue for the quarter came in at $222.8 million versus the consensus estimate of $230.5 million.

Eloxx Pharma (NASDAQ: ELOX) 3.6% HIGHER; Mizuho Securities initiates coverage with a Buy rating and a price target of $3.10.

MongoDB (NASDAQ: MDB) 3.5% LOWER; files to offer 2.3 million shares.

AeroVironment (NASDAQ: AVAV) 3.2% LOWER; reported Q4 EPS of $0.96, $0.15 better than the analyst estimate of $0.81. Revenue for the quarter came in at $136 million versus the consensus estimate of $147.18 million.

Arcutis Biotherapeutics Inc. (NASDAQ: ARQT) 2.5% HIGHER; Mizuho initiates coverage with a Buy rating and a price target of $58.00.

Cabaletta Bio Inc. (NASDAQ: CABA) 2.4% HIGHER; Mizuho Securities initiates coverage with a Buy rating and a price target of $22.00.