CLEAR·OCEAN

Summit Therapeutics Inc. (SMMT) — Insider Activity & Signal

Healthcare · Biotechnology · Market cap $11.0B · $14.13 · 52-week range $12.55–$30.98

Recent insider buying

Open-market purchases reported to the SEC (last six months). Option grants and tax-withholding sales are excluded.

DateInsiderRoleSharesPriceValueSource
2026-06-12Zanganeh Mahkamdirector, 10 percent owner, officer: Co-Chief Executive Officer3,810,000$13.12$49,987,200SEC Form 4
2026-06-12DUGGAN ROBERT Wdirector, 10 percent owner, officer: Co-Chief Executive Officer3,810,000$13.12$49,987,200SEC Form 4
2026-06-04DUGGAN ROBERT Wdirector, 10 percent owner, officer: Co-Chief Executive Officer100,000$14.60$1,460,000SEC Form 4
2026-06-04Zanganeh Mahkamdirector, 10 percent owner, officer: Co-Chief Executive Officer100,000$14.60$1,460,000SEC Form 4
2026-06-04Soni Manmeet Singhdirector, officer: COO and CFO25,000$14.43$360,750SEC Form 4
2026-06-04Soni Manmeet Singhdirector, officer: COO and CFO25,000$14.46$361,500SEC Form 4

Financial health

Altman Z-Score 51.93 · Piotroski F-Score 1/9 · Cash $529M · Debt $16M

ClearOcean signal read

ClearOcean's model currently scores SMMT as a validated signal (8+/10), based on the insider, fundamental and risk data above. This is a factual model output, not advice.

Sources & further reading

Last updated June 16, 2026.

ClearOcean is a software research tool, not an investment adviser or broker-dealer. This page aggregates public data (incl. SEC filings) for informational purposes only — it is not investment advice, nor a recommendation, offer or solicitation to buy or sell any security. Past activity does not predict future results. You are solely responsible for your decisions; investing can lose value, up to total loss of capital.