"Securities traded on a national stock exchange, regardless of price, are exempt from regulatory designation as a penny stock"[1] Blue Apron is on the NYSE [1]"SECURITIES AND EXCHANGE COMMISSION 17 CFR Part 240" https://www.sec.gov/rules/final/34-51983.pdf
NYSE has minimum share price/market cap requirements, so Blue Apron will get delisted if this continues for more than 29 consecutive trading days. i.e. It could easily become one.
"... company basically has two options. It can choose to trade on the Over-the-Counter Bulletin Board (OTCBB) or the pink sheets system...".
Some more [light] detail in linked 'article'[0].
[0] https://www.investopedia.com/ask/answers/05/delistingofshare...