← All stocks

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

$0.00

—

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

$0.00

—

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.

Individual transactions

Insider

Date

Role

Action

Price

Amount

SELICK HAROLD E

12 Mar 2020

Director

Buy

12,000

$6.70

$80.40K

PATEL DINESH V PH D

3 Dec 2019

President and CEO

Buy

20,000

$5.65

$113.00K

PATEL DINESH V PH D

3 Dec 2019

President and CEO

Buy

10,000

$5.55

$55.50K

Kalkofen Donald A.

3 Dec 2019

Chief Financial Officer

Buy

562

$5.09

$2.86K

Kalkofen Donald A.

3 Dec 2019

Chief Financial Officer

Buy

613

$5.10

$3.13K

Gupta Suneel

3 Dec 2019

EVP Clinical Operations

Buy

30,000

$5.13

$153.90K

Giraudo Bryan

3 Dec 2019

Director

Buy indirect

8,000

$5.70

$45.62K

Giraudo Bryan

16 May 2017

Director

Buy

10,000

$6.46

$64.57K

Show all 162 transactions →

Protagonist Therapeutics, Inc

By person

Individual transactions

What was left out