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SMMT

Summit Therapeutics Inc.

NASDAQ · Healthcare · Biotechnology · US

$17.61
+2.77%
Ask drillr
2
Insider buys (3m)
0
Insider sells (3m)
$100.0M
Net value (3m)
+17.6%
Price return (3m)
Form 4 filings
DateInsiderActivitySharesPrice
Jun 12, 2026Zanganeh Mahkam · director, 10 percent owner, officer: Co-Chief Executive OfficerPurchase3,810,000$13
Jun 12, 2026DUGGAN ROBERT W · director, 10 percent owner, officer: Co-Chief Executive OfficerPurchase3,810,000$13
Jun 4, 2026Zanganeh Mahkam · director, 10 percent owner, officer: Co-Chief Executive OfficerPurchase100,000$15
Jun 4, 2026DUGGAN ROBERT W · director, 10 percent owner, officer: Co-Chief Executive OfficerPurchase100,000$15
Jun 4, 2026Soni Manmeet Singh · director, officer: COO and CFOPurchase25,000$14
Jan 12, 2026Anand Bhaskar · officer: Chief Accounting OfficerA-Award30,000$19
Jan 6, 2026Clark Kenneth A · directorA-Award17,796$18
Jan 6, 2026Cesano Alessandra · directorA-Award35,000$18
Jan 6, 2026Cesano Alessandra · directorA-Award3,219$18
Jan 6, 2026Ronaghi Mostafa · directorA-Award35,000$18
Jan 6, 2026Clark Kenneth A · directorA-Award35,000$18
Jan 6, 2026Xia Yu · directorA-Award35,000$18
Jan 6, 2026Booth Robert F. · directorA-Award35,000$18
Jan 6, 2026DUGGAN ROBERT W · director, 10 percent owner, officer: Co-Chief Executive OfficerA-Award11,232$18
Jan 6, 2026Zanganeh Mahkam · director, 10 percent owner, officer: Co-Chief Executive OfficerA-Award11,232$18
Jan 6, 2026Booth Robert F. · directorA-Award7,180$18
Jan 6, 2026Huber Jeff · directorA-Award35,000$18
Jan 6, 2026Huber Jeff · directorA-Award9,885$18
Oct 23, 2025DUGGAN ROBERT W · director, 10 percent owner, officer: Co-Chief Executive OfficerA-Award266,808$19
Oct 23, 2025DUGGAN ROBERT W · director, 10 percent owner, officer: Co-Chief Executive OfficerPurchase26,680$19
Oct 23, 2025Zanganeh Mahkam · director, 10 percent owner, officer: Co-Chief Executive OfficerA-Award13,980,789$19
Oct 23, 2025Zanganeh Mahkam · director, 10 percent owner, officer: Co-Chief Executive OfficerA-Award266,808$19
Oct 23, 2025Zanganeh Mahkam · director, 10 percent owner, officer: Co-Chief Executive OfficerPurchase26,680$19
Oct 23, 2025Xia Yu · directorPurchase533,617$19
Oct 23, 2025Anand Bhaskar · officer: Chief Accounting OfficerA-Award26,680$19
Oct 23, 2025Soni Manmeet Singh · director, officer: COO and CFOA-Award53,361$19
Oct 23, 2025DUGGAN ROBERT W · director, 10 percent owner, officer: Co-Chief Executive OfficerA-Award13,980,789$19
Sep 19, 2025Anand Bhaskar · officer: Chief Accounting OfficerA-Award50,000$19
Sep 11, 2025DUGGAN ROBERT W · director, 10 percent owner, officer: Co-Chief Executive OfficerPurchase333,394$18
Sep 11, 2025Zanganeh Mahkam · director, 10 percent owner, officer: Co-Chief Executive OfficerPurchase5,000$18
Institutional positioning

13F filings over the trailing two quarters

New 118Increased 183Reduced 114Sold out 37
FilerActionSharesFiled
BAKER BROS. ADVISORS LPUnchanged36,391,063May 15, 2026
BAKER BROS. ADVISORS LPReduced32,786,348Aug 14, 2026
FMR LLCReduced10,853,199May 15, 2026
FMR LLCReduced10,043,947Aug 13, 2026
BLACKROCK, INC.Increased9,653,758May 13, 2026
STATE STREET CORPIncreased9,536,796Aug 7, 2026
BlackRock, Inc.Reduced9,529,041Aug 7, 2026
PRICE T ROWE ASSOCIATES INC /MD/Reduced8,277,859May 15, 2026
STATE STREET CORPIncreased7,028,160May 15, 2026
VANGUARD CAPITAL MANAGEMENT LLCIncreased5,734,484Aug 13, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position5,711,802May 15, 2026
UBS Group AGIncreased5,306,198Aug 13, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position5,233,252May 8, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCReduced5,042,190Aug 13, 2026
GOLDMAN SACHS GROUP INCIncreased4,513,399Aug 14, 2026

Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Jun 12, 2026