Glucose-monitor maker Intuity Medical Inc. has filed for an initial public offering, seeking to sell $70 million worth of shares, according to a filing late Friday. The Fremont, Calif., plans to list its stock on the Nasdaq under the ticker POGO. Underwriters include Goldman Sachs and Jefferies. The company listed a loss of 18 cents a share in the six months ended in June, compared with a loss of 33 cents in the year-ago period. Revenue reached $43,000 in the period. Intuity relies on sales of its POGO automatic blood-glucose monitor to generate nearly all its revenue, it said.