SC Filed 2020-01-16 Event — SEC 0000921895-20-000126 →

DUGGAN ROBERT W → Summit Therapeutics plc SMMT

Stake: — Shares: —

Item 4 — Purpose of Transaction

Not extracted from this filing — typically because it's an amendment (13D/A) and Item 4 is unchanged from the parent filing. Read the raw SEC filing →

Cross-References

Insider Activity (last 365d)

0 transactions

0 buys · 0 sales · 0 awards/exercises

Issuer Cluster

13 13D/G filings on this issuer

12 other filings besides this one

Filer Track Record

16 filings by this filer

15 other filings in the data moat

Short Interest · settle 2026-03-31

DTC 12.35

34,558,050 shares short · -4.3% vs prior

Other 13D/G Filings on Summit Therapeutics plc

Filed	Form	Filer	Stake	Shares
2021-05-14	SC	DUGGAN ROBERT W	—	—	view →
2021-04-22	SC	DUGGAN ROBERT W	—	—	view →
2021-03-26	SC	DUGGAN ROBERT W	—	—	view →
2020-11-25	SC	Zanganeh Maky	—	—	view →
2020-11-10	SC	DUGGAN ROBERT W	—	—	view →
2020-11-10	SC	Zanganeh Maky	—	—	view →
2020-10-07	SC	DUGGAN ROBERT W	—	—	view →
2020-05-15	SC	LANSDOWNE PARTNERS (UK) LLP	—	—	view →
2020-03-26	SC	LANSDOWNE PARTNERS (UK) LLP	—	—	view →
2019-12-27	SC	DUGGAN ROBERT W	—	—	view →
2019-01-11	SC	LANSDOWNE PARTNERS (UK) LLP	—	—	view →
2018-01-30	SC	LANSDOWNE PARTNERS (UK) LLP	—	—	view →

Other Filings by DUGGAN ROBERT W

Filed	Form	Issuer	Stake	Shares
2024-07-08	SC	PULSE BIOSCIENCES, INC. PLSE	—	—	view →
2021-07-02	SC	Pulse Biosciences, Inc. PLSE	—	—	view →
2021-05-14	SC	Summit Therapeutics Inc. SMMT	—	—	view →
2021-05-11	SC	Pulse Biosciences, Inc. PLSE	—	—	view →
2021-04-22	SC	Summit Therapeutics Inc. SMMT	—	—	view →
2021-03-26	SC	Summit Therapeutics Inc. SMMT	—	—	view →
2020-11-10	SC	Summit Therapeutics Inc. SMMT	—	—	view →
2020-10-07	SC	Summit Therapeutics Inc. SMMT	—	—	view →
2019-12-27	SC	Summit Therapeutics plc SMMT	—	—	view →
2019-04-05	SC	Achaogen, Inc.	—	—	view →
2019-03-20	SC	Achaogen, Inc.	—	—	view →
2019-01-18	SC	Aurinia Pharmaceuticals Inc. AUPH	—	—	view →
2018-05-07	SC	Achaogen Inc	—	—	view →
2018-04-24	SC	Achaogen Inc	—	—	view →
2018-03-14	SC	Achaogen Inc	—	—	view →

Want this depth on every filing the moment it hits SEC EDGAR?

Full feed access · API · daily intelligence brief · custom alerts. $1,500/mo. Pilots welcome.

Request a pilot →