** Shares of Cibus CBUS.O down 30.5% premarket to $1.64 after agricultural biotechnology firm's follow-on prices

** CBUS shares set for fifth straight session of declines

** San Diego, California-based gene-editing co announces ~15.7 mln shares at $1.75 for $27.5 mln gross proceeds

** Offering price represents 25.8% discount to stock's last close

** Board chairman and co-founder Rory Riggs bought ~5.7 mln shares, or $10 mln worth of the offering

** Co says intends to use net offering proceeds to fund development of weed management productivity traits in rice and for working capital and other general purposes, as it pursues longer-term financing

** With ~34.4 mln shares outstanding, co has $81 mln market cap

** CBUS shares hit a record intraday low of $1.40 on Apr 7. Stock ended 2024 at $2.78 and was trading around $11 a year ago

** 3 of 4 analysts covering CBUS rate stock "buy" and 1 rates "hold"; PTs range from as low as $2 (Jefferies) to as high as $25 (H.C. Wainwright), latest LSEG data shows

(Lance Tupper is a Reuters market analyst. The views expressed are his own)

((lance.tupper@tr.com 1-646-279-6380))