So would "outstanding warrants" be "convertible securities"?

Definitions of Convertible Securities on the Web:

• Corporate securities (usually preferred stock or bonds) that are exchangeable into a fixed number of shares of common stock at a stipulated price. ...
  www.rbeck.com/ryan_beck3/invest_glosry_CnCo.htm

   

• Corporate securities (usually preferred shares or bonds) that may be exchanged for another type of security (usually common shares) at a prestated price after a specific time frame has elapsed.
  www.scottstringfellow.com/ss//glossary.asp

   

• Securities issued in one form with provisions allowing them to be converted into securities in another form. For example, debt instruments that can be converted into ordinary or preferred stock, subject to specified circumstances.
  https://www.scmb.co.za/servlets/za.co.scmb.www.fetcher.EquitiesPublicFetcher/Glossary/glossary.asp

   

• Securities, like bonds or preferred stock, which can be exchanged for a set number of another security.
  www.dreyfus.com/content/dr/control

   

• securities are convertible into another class of securities if the holder may have the other class of securities issued to them by the exercise of rights attached to those securities. An option may be a convertible security even if it is non-renounceable.
  scaleplus.law.gov.au/html/pasteact/3/3448/0/PA000260.htm