| Date | Action | Shares | Price | Value | Owned After |
|---|---|---|---|---|---|
| Feb 5, 2025 | Sell(S) | 25K | $0.78 | $19K | 741K |
| Feb 5, 2025 | Sell(S) | 28K | $0.78 | $22K | 766K |
| Feb 5, 2025 | Sell(S) | 4K | $0.78 | $3K | 794K |
| Feb 3, 2025 | Grant(A) | 266K | — | $0 | 798K |
Parsed from a single SEC EDGAR Form 4 filing (accession 0000950170-25-014866) within minutes of acceptance. Every field above traces to the original document. Verify it directly:
Connected pages for Spero Therapeutics, Inc.
This filing is the Follow view. The Build view lets your agent pull every Form 4 for the issuer, the net open-market picture over 90 days, and the accession behind each row, through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/filing/0000950170-25-014866"
Use Arkolith to summarize insider buying and selling at Spero Therapeutics, Inc. over the last 90 days and cite the filings.