Latest filing published 16 Jun 2025 for Spero Therapeutics, Inc.. Read the official filing
No signal scores available.
All filings by John C. Pottage Jr. on record concern Spero Therapeutics, Inc. Between 15 September 2022 and 12 June 2025, the trades on record add up to 4 filings.
None of the filings is a plain purchase or sale on the open market; they cover grants, option exercises and other movements. Because grants and exercises are largely decided by remuneration plans, they are not counted as purchases here.
The record was last updated on 16 June 2025 with a share grant in Spero Therapeutics, Inc. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 4 days. The legal deadline for a Form 4 is two business days after the transaction. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
4 of 4 declarations