** Shares of shoemaker Allbirds Inc BIRD.O surge 18.8% to $3.54 premarket
** American Exchange Group on Monday agreed to buy BIRD for $39 million
** Transaction expected to close in second quarter, with distribution of net proceeds to shareholders anticipated in following quarter after accounting for wind-down expenses
** BIRD to file a proxy statement by April 24 to seek shareholder approval for the asset sale and subsequent dissolution
** Stock has plunged about 27.3% this year through last close, compared with the Nasdaq's .IXIC 10.5% fall
(Reporting by Tharuniyaa Lakshmi in Bengaluru)
((tharuniyaa@thomsonreuters.com))