Jane Street Group, a significant player on Wall Street, is under intense scrutiny following allegations detailed in a lawsuit filed in Manhattan. The legal documents accuse the firm of selling approximately $192 million worth of TerraUSD (UST) just before the Terra ecosystem’s collapse, raising suspicions of insider trading.
Private Messaging Sparks Investigation
Freshly unsealed court documents reveal that a secret Telegram group may have given Jane Street an edge in the market. This private communication channel purportedly included Bryce Pratt, an ex-employee of Terraform Labs who then worked at Jane Street, allowing for potential access to privileged information.
Through this network, the firm allegedly managed to sell its UST holdings at favorable rates, setting up short positions and subsequently generating $134 million in profits amid the $40 billion fiasco. A significant transaction allegedly occurred on May 7, 2022, where Jane Street reportedly sold 85 million UST, mere minutes after a major withdrawal by Terraform Labs from the same decentralized platform.
What Do Internal Messages Reveal?
The court files bring to light internal communications from Jane Street employees. In one instance, Pratt reportedly joked about the satisfaction of having a competitive advantage. Additionally, with their wallets under the lens of blockchain analytics firms, internal concerns emerged over whether to continue using those blockchain addresses.
“Although it is widely known that the losses incurred by Terra and Luna investors were primarily due to a multibillion-dollar fraud orchestrated by Terraform Labs management, this lawsuit is a transparent effort to extract money from Jane Street. As we noted in our recent motion to dismiss, we will vigorously defend ourselves against these opportunistic and unfounded accusations.”
The lawsuit also targets Robert Granieri, co-founder of Jane Street, and trader Michael Huang, accusing them of breaching federal securities laws. Restitution and compensation for involved parties are among the demands made by plaintiffs.
Key insights:
- May 7, 2022: Jane Street sold 85 million UST after Terraform’s sizable withdrawal.
- May 18, 2022: Job offer made to Terraform’s lead researcher amid legal chaos.
A separate court decision in 2023 has identified UST and Luna as securities, a judgment that bolsters the legal proceedings against Jane Street.
New revelations from the suit indicate Jane Street extended a job offer to Terraform’s head of research on May 18, 2022—just days following UST’s devaluation. This development adds yet another layer of intrigue to the unfolding legal drama, as the industry watches to see how these dynamics will impact the future dealings of both firms.



