$Rocket Lab USA(RKLB)$ 看到昨晚盘后的公告，这个The Offering一方面包括认股权证的行权，一方面包括之前一些security的解禁。所以这个解禁的数量417,404,393这么大怎么理解呢？？
Issuer
Rocket Lab USA, IncShares of common stock offered by us
16,266,666 shares of common stock issuable upon exercise of warrants, comprised of 5,600,000 private placement warrants held by the Sponsor and 10,666,666 public warrants. Each whole warrant entitles the holder thereof to purchase one share of common stock at an exercise price of $11.50 per share, subject to adjustment on the terms of the warrants.Shares of common stock offered by the Selling Securityholders
Up to 417,404,393 shares of common stock representing: Up to 46,700,000 of the PIPE shares; Up to 5,600,000 of the shares of common stock underlying the private placement warrants; Up to 8,000,000 shares of common stock issued to the holders of Vector’s Class B ordinary shares prior to the Domestication, or their subsequent transferees; Up to 320,620,531 shares of common stock issued to Rocket Lab Holders at the consummation of the Business Combination; Up to 878,887 shares of common stock issued following the Business Combination upon cashless exercise of the Legacy Rocket Lab warrants; Up to 26,700,653 Earnout Shares; and Up to 8,903,322 shares attributable to restricted stock units and stock options of Legacy Rocket Lab prior to the Business Combination.Warrants offering by the Selling Securityholders
5,600,000 private placement warrants