GlobeNewswire Inc | Jan 28, 2021 08:00AM EST

January 28, 2021

NEW YORK, Jan. 28, 2021 (GLOBE NEWSWIRE) -- Halper Sadeh LLP, a global investor rights law firm, continues to investigate the following companies:

National Holdings Corporation (NASDAQ: NHLD) concerning potential violations of the federal securities laws and/or breaches of fiduciary duties relating to its sale to B. Riley Financial, Inc. for $3.25 per share. If you are a National Holdings shareholder, click here to learn more about your rights and options.

Coherent, Inc. (NASDAQ: COHR) concerning potential violations of the federal securities laws and/or breaches of fiduciary duties relating to its sale to Lumentum Holdings Inc. Under the terms of the merger agreement, Coherent shareholders will receive $100.00 per share in cash and 1.1851 shares of Lumentum common stock for each Coherent share they own. If you are a Coherent shareholder, click here to learn more about your rights and options.

Alaska Communications Systems Group, Inc. (NASDAQ: ALSK) concerning potential violations of the federal securities laws and/or breaches of fiduciary duties relating to its sale to ATN International, Inc. for $3.40 per share in cash. If you are an Alaska Communicationsshareholder, click here to learn more about your rights and options.

NantKwest, Inc. (NASDAQ: NK) concerning potential violations of the federal securities laws and/or breaches of fiduciary duties relating to its merger with ImmunityBio. Under the terms of the agreement, ImmunityBio shareholders will receive a fixed exchange ratio of 0.8190 shares of NantKwest for each share of ImmunityBio owned. If you are a NantKwest shareholder, click here to learn more about your rightsand options.

Halper Sadeh LLP may seek increased consideration, additional disclosures and information concerning the proposed transaction, or other relief and benefits on behalf of shareholders.

Shareholders are encouraged to contact the firm free of charge to discuss their legal rights and options. Please call Daniel Sadeh or Zachary Halper at (212) 763-0060 or email sadeh@halpersadeh.com or zhalper@halpersadeh.com.

Halper Sadeh LLP represents investors all over the world who have fallen victim to securities fraud and corporate misconduct. Our attorneys have been instrumental in implementing corporate reforms and recovering millions of dollars on behalf of defrauded investors.

Attorney Advertising. Prior results do not guarantee a similar outcome.

Contact Information:Halper Sadeh LLPDaniel Sadeh, Esq.Zachary Halper, Esq.(212) 763-0060sadeh@halpersadeh.comzhalper@halpersadeh.com