ISSUER PROFILE · CIK 0001377121
Protagonist Therapeutics, IncPTGX
2 13D/G filings
2 distinct filers
6 insider transactions (365d)
Cross-Reference Snapshot
Distinct filers
2
multi-activist cluster
Insiders (365d)
6
0 buys · 3 sales
Latest short DTC
12.02
as of 2026-10-15
Institutional Consensus · 2026-06-30
Held by elite portfolio managers
2 holders · $8.76M
Duquesne Family OfficeSoros Fund Management
13D/G Filings Timeline · 2 total
Form 4 Insider Transactions · last 365d
| Date | Insider | Role | Type | Shares | Price | Value |
| 2026-09-10 |
PATEL DINESH V PH D |
director, officer |
Option exercise |
7,278 |
$21.58 |
$157K |
| 2026-09-10 |
PATEL DINESH V PH D |
director, officer |
Sale |
7,278 |
$144.10 |
$1.05M |
| 2026-09-09 |
PATEL DINESH V PH D |
director, officer |
Option exercise |
63,548 |
$21.58 |
$1.37M |
| 2026-09-09 |
PATEL DINESH V PH D |
director, officer |
Sale |
63,548 |
$146.18 |
$9.29M |
| 2026-09-08 |
PATEL DINESH V PH D |
director, officer |
Option exercise |
54,174 |
$21.58 |
$1.17M |
| 2026-09-08 |
PATEL DINESH V PH D |
director, officer |
Sale |
54,174 |
$145.87 |
$7.90M |
FINRA Short Interest History
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
| 2026-10-15 |
10,297,224 |
12.02 |
+10.2% |
| 2026-09-30 |
9,345,382 |
11.49 |
+14.8% |
| 2026-09-15 |
8,140,194 |
15.13 |
+5.5% |
| 2026-08-31 |
7,712,543 |
15.34 |
-1.0% |
| 2026-08-14 |
7,791,795 |
16.42 |
+3.3% |
| 2026-07-31 |
7,543,109 |
14.21 |
-9.0% |
| 2026-07-15 |
8,292,656 |
9.53 |
+7.8% |
| 2026-06-30 |
7,691,347 |
7.22 |
-0.5% |
| 2026-06-15 |
7,728,416 |
11.59 |
+4.3% |
| 2026-05-29 |
7,410,849 |
16.81 |
+1.6% |
| 2026-05-15 |
7,293,819 |
12.76 |
-3.3% |
| 2026-04-30 |
7,540,996 |
11.88 |
-10.2% |
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