Filings Radar
SEC 8-K and 6-K filings classified by Claude with reasoning, plus Form 4 insider transactions. Ingested from EDGAR’s filing stream in near-real time, reconciled overnight.
CITY THERAPEUTICS, INC.
Insider activity (SEC Form 4)
Open-market buys and sells only — the deliberate trades. Zero here doesn’t mean no filings: grants, option exercises and tax withholding (below) are compensation, not market trades.
| Insider | Role | Date | Transaction | Shares | Value |
|---|---|---|---|---|---|
| ARCH Venture Partners XII, LLC | 10% Owner | 2026-10-19 | C | 3294900 | — |
| ARCH Venture Partners XII, LLC | 10% Owner | 2026-10-19 | C | 5482309 | — |
| ARCH Venture Partners XII, LLC | 10% Owner | 2026-10-19 | C | 2027006 | — |
| ARCH Venture Partners XII, LLC | 10% Owner | 2026-10-19 | Open-market buy | 170000 | $3.1M |
| MARAGANORE JOHN | Director | 2026-10-19 | C | 610759 | — |
| NELSEN ROBERT | Director, 10% Owner | 2026-10-19 | C | 3294900 | — |
| NELSEN ROBERT | Director, 10% Owner | 2026-10-19 | C | 5482309 | — |
| NELSEN ROBERT | Director, 10% Owner | 2026-10-19 | C | 2027006 | — |
| NELSEN ROBERT | Director, 10% Owner | 2026-10-19 | Open-market buy | 170000 | $3.1M |
We track this company, but none of its filings have been classified as material yet. New filings land after EDGAR’s nightly publish (~10 PM ET).