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Protagonist Therapeutics, Inc

PTGX Net selling
CIK 0001377121 #955 in the set updated 17 Sep 2026
Bought (120 mo)
$518.97K
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$115.56M
$5.11M on a plan · $93.46M straight out of an exercise
Sold at will
$16.99M
49 of 124 sales
Net
−$115.04M
−$16.47M against sales at will

By person

17 insiders · 162 transactions
Insider
Role
Bought
Sold
Net
Holding
Worth
Change
PATEL DINESH V PH D
President and CEO
$168.50K (2)
$67.29M (32) scheduled
−$67.12M
522,968
$75.36M
+257.5%
Ali Asif
Chief Financial Officer
$10.29M (16) scheduled
−$10.29M
59,003
$8.50M
+6,613%
MOLINA ARTURO MD
Chief Medical Officer
$8.84M (16) scheduled
−$8.84M
84,115
$12.12M
Waddill William D.
Director
$7.66M (13) scheduled
−$7.66M
7,825
$1.13M
Giraudo Bryan
Director
$110.19K (2)
$5.92M (4) scheduled
−$5.81M
12,695
$1.83M
+27.0%
Gupta Suneel
Chief Development Officer
$153.90K (1)
$5.76M (3) scheduled
−$5.61M
267,433
$38.54M
+1,250%
CANAAN X L.P.
10% owner
$4.04M (13)
−$4.04M
2,116,552
$305.00M
−13.7%
SELICK HAROLD E
Director
$80.40K (1)
$2.52M (1) scheduled
−$2.44M
60,845
$8.77M
Williams Lewis T
Director
$1.48M (1) scheduled
−$1.48M
7,825
$1.13M
Liu David Y
Chief R&D Strategy Officer
$1.13M (13) scheduled
−$1.13M
167,590
$24.15M
+1,328%
Shames Richard S.
Chief Medical Officer
$215.91K (7) scheduled
−$215.91K
32,021
$4.61M
+493.8%
Noonberg Sarah B.
Director
$212.56K (3) scheduled
−$212.56K
0
$0.00
O'Neil Thomas P.
Chief Financial Officer
$160.00K (1) scheduled
−$160.00K
30,560
$4.40M
+783.2%
KHOSLA CHAITAN PHD
Director
$42.95K (1) scheduled
−$42.95K
0
$0.00
Kalkofen Donald A.
Chief Financial Officer
$5.99K (2)
+$5.99K
18,521
$2.67M
+689.5%
Saks Samuel R
Chief Medical Officer
14,000
$2.02M
O'Dowd Sarah A
Director
7,825
$1.13M

No percentages here. These insiders hold more than one class of share between them, and the share count on file covers one of them rather than all. Dividing the two would compare different things.

Insider
Date
Role
Action
Shares
Price
Amount
Waddill William D.
22 Sep 2025
Director
Sold on a plan
4,000
$64.25
$257.00K
Waddill William D.
27 Aug 2025
Director
Sold on a plan
4,000
$59.25
$237.00K
Waddill William D.
17 Mar 2025
Director
Sold on a plan
4,000
$54.25
$217.00K
PATEL DINESH V PH D
7 Jun 2024
President and CEO
Sold on a plan
35,000
$35.19
$1.23M
PATEL DINESH V PH D
1 Apr 2024
President and CEO
Sold on a plan
25,000
$28.31
$707.75K
PATEL DINESH V PH D
1 Mar 2024
President and CEO
Sold on a plan
30,000
$31.62
$948.60K
PATEL DINESH V PH D
13 Dec 2023
President and CEO
Sold on a plan
75,000
$20.08
$1.51M

What was left out

Form 4 filings counted 251
Amendments (4/A) skipped 3
Filings about a different issuer 0
Unreadable filings 0
Joint filings 7
Sales on a Rule 10b5-1 plan 7
Sales straight out of an exercise 68
Sales at will 49
Transactions with no price 0
Shares from compensation/vesting 2,865,926
Sales filed before the plan box existed 25
History held since 15 Sep 2016