CARLSBAD, Calif. and BOSTON, Aug. 31, 2020 /PRNewswire/ — Ionis Pharmaceuticals, Inc. (NASDAQ: IONS) and its affiliate Akcea Therapeutics, Inc. (NASDAQ: AKCA) today announced that they have entered into a definitive agreement under which Ionis will acquire all of the outstanding shares of Akcea common stock it does not already own, approximately 24%, for $18.15 per share in cash. This corresponds to a total transaction value of approximately $500 million on a fully diluted basis. The transaction has been approved by the Ionis and Akcea Boards of Directors, and by the independent Affiliate Transactions Committee of Akcea’s Board of Directors. Akcea’s Board of Directors has recommended to shareholders of Akcea that they tender their shares into the tender offer.
“This acquisition is another step forward in Ionis’ evolution and creates a stronger, more efficient organization to the benefit of all stakeholders,” said Brett Monia, Chief Executive Officer of