ISSUER PROFILE · CIK 0001599298
Summit Therapeutics Inc.SMMT
15 13D/G filings
3 distinct filers
24 insider transactions (365d)
Cross-Reference Snapshot
Distinct filers
3
multi-activist cluster
Insiders (365d)
24
24 buys · 0 sales
Latest short DTC
8.19
as of 2026-05-29
13D/G Filings Timeline · 15 total
Form 4 Insider Transactions · last 365d
| Date | Insider | Role | Type | Shares | Price | Value |
|---|
| 2026-01-08 |
Anand Bhaskar |
officer |
Award |
30,000 |
$18.83 |
$565K |
| 2026-01-02 |
Zanganeh Mahkam |
director, officer, 10%+ |
Award |
11,232 |
$17.52 |
$197K |
| 2026-01-02 |
DUGGAN ROBERT W |
director, officer, 10%+ |
Award |
11,232 |
$17.52 |
$197K |
| 2026-01-02 |
Booth Robert F. |
director |
Award |
35,000 |
$17.52 |
$613K |
| 2026-01-02 |
Xia Yu |
director |
Award |
35,000 |
$17.52 |
$613K |
| 2026-01-02 |
Huber Jeff |
director |
Award |
35,000 |
$17.52 |
$613K |
| 2026-01-02 |
Ronaghi Mostafa |
director |
Award |
35,000 |
$17.52 |
$613K |
| 2026-01-02 |
Clark Kenneth A |
director |
Award |
35,000 |
$17.52 |
$613K |
| 2026-01-02 |
Cesano Alessandra |
director |
Award |
35,000 |
$17.52 |
$613K |
| 2026-01-02 |
Huber Jeff |
director |
Award |
9,885 |
$17.52 |
$173K |
| 2026-01-02 |
Clark Kenneth A |
director |
Award |
17,796 |
$17.52 |
$312K |
| 2026-01-02 |
Cesano Alessandra |
director |
Award |
3,219 |
$17.52 |
$56K |
| 2025-10-21 |
Xia Yu |
director |
Buy |
533,617 |
$18.74 |
$10.00M |
| 2025-10-21 |
Anand Bhaskar |
officer |
Award |
26,680 |
$18.74 |
$500K |
| 2025-10-21 |
Soni Manmeet Singh |
director, officer |
Award |
53,361 |
$18.74 |
$1000K |
| 2025-10-21 |
DUGGAN ROBERT W |
director, officer, 10%+ |
Award |
13,980,789 |
$18.74 |
$262.00M |
| 2025-10-21 |
Zanganeh Mahkam |
director, officer, 10%+ |
Award |
266,808 |
$18.74 |
$5.00M |
| 2025-10-21 |
DUGGAN ROBERT W |
director, officer, 10%+ |
Award |
266,808 |
$18.74 |
$5.00M |
| 2025-10-21 |
DUGGAN ROBERT W |
director, officer, 10%+ |
Buy |
26,680 |
$18.74 |
$500K |
| 2025-09-18 |
Anand Bhaskar |
officer |
Award |
50,000 |
$19.23 |
$962K |
| 2025-09-11 |
DUGGAN ROBERT W |
director, officer, 10%+ |
Buy |
5,000 |
$18.07 |
$90K |
| 2025-09-11 |
Zanganeh Mahkam |
director, officer, 10%+ |
Buy |
5,000 |
$18.07 |
$90K |
| 2025-09-10 |
Zanganeh Mahkam |
director, officer, 10%+ |
Buy |
333,394 |
$17.68 |
$5.89M |
| 2025-09-10 |
DUGGAN ROBERT W |
director, officer, 10%+ |
Buy |
333,394 |
$17.68 |
$5.89M |
FINRA Short Interest History
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|
| 2026-05-29 |
36,126,988 |
8.19 |
+21.2% |
| 2026-05-15 |
29,818,472 |
6.30 |
+2.1% |
| 2026-04-30 |
29,194,577 |
5.57 |
-15.4% |
| 2026-04-15 |
34,504,458 |
15.01 |
-0.2% |
| 2026-03-31 |
34,558,050 |
12.35 |
-4.3% |
| 2026-03-13 |
36,116,187 |
15.94 |
+4.2% |
| 2026-02-27 |
34,669,041 |
20.25 |
-8.4% |
| 2026-02-13 |
37,869,822 |
13.95 |
+2.5% |
| 2026-01-30 |
36,964,760 |
12.16 |
-0.6% |
| 2026-01-15 |
37,198,664 |
11.28 |
+0.5% |
| 2025-12-31 |
37,009,569 |
18.60 |
+3.5% |
| 2025-12-15 |
35,753,740 |
13.30 |
+10.5% |
Alert me when any activist files on Summit Therapeutics Inc.
Free. We email you when criteria match. One-click unsubscribe in every email.
Track every activist who touches this name.
Custom alerts · full feed · daily intelligence · API. $1,500/mo. Pilots welcome.
Request a pilot →