The author, an early advisor to NVIDIA, discovered that they may be owed around $1 billion in NVIDIA stock due to a potential mistake in their stock option agreement. The agreement, granted in 1993, had a vesting schedule that the author claims was misinterpreted by NVIDIA, resulting in them not receiving the full amount of shares they were entitled to. The author's claim is complicated by the fact that they did not pursue the matter for over 30 years, which may bar their claim due to the statute of limitations. The author is now sharing their story as a cautionary tale.