Pottage John C Jr

Pottage John C Jr is listed in filings as Director at Spero Therapeutics, Inc.. This profile follows SEC Form 4 activity through Jun 16, 2025, including 1 public disclosure. Recent filings connect the profile to Spero Therapeutics, Inc. (SPRO). The current snapshot covers public activity from Jun 16, 2025. The page organizes purchases, sales, issuer links, reported share activity, and filing evidence for review as public disclosure data.