Protagonist Therapeutics, Inc

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

PATEL DINESH V PH D

10 Sep 2026

President and CEO

Sold after exercise

7,278

$144.10

$1.05M

PATEL DINESH V PH D

9 Sep 2026

President and CEO

Sold after exercise

63,548

$146.18

$9.29M

PATEL DINESH V PH D

8 Sep 2026

President and CEO

Sold after exercise

54,174

$145.87

$7.90M

PATEL DINESH V PH D

11 Aug 2026

President and CEO

Sold after exercise

34,239

$148.52

$5.09M

PATEL DINESH V PH D

10 Aug 2026

President and CEO

Sold after exercise

65,761

$149.11

$9.81M

Waddill William D.

23 Jun 2026

Director

Sold after exercise

9,000

$117.94

$1.06M

Waddill William D.

10 Jun 2026

Director

Sold after exercise

9,000

$107.68

$969.12K

Waddill William D.

29 May 2026

Director

Sold after exercise

9,000

$99.64

$896.76K

PATEL DINESH V PH D

12 May 2026

President and CEO

Sold after exercise

75,000

$100.12

$7.51M

Giraudo Bryan

7 May 2026

Director

Sold after exercise indirect

12,000

$100.07

$1.20M

Giraudo Bryan

7 May 2026

Director

Sold after exercise

36,000

$100.14

$3.61M

Ali Asif

26 Mar 2026

Chief Financial Officer

Sold after exercise

24,765

$104.24

$2.58M

SELICK HAROLD E

26 Mar 2026

Director

Sold after exercise

24,000

$105.00

$2.52M

MOLINA ARTURO MD

26 Mar 2026

Chief Medical Officer

Sold after exercise

15,000

$104.79

$1.57M

PATEL DINESH V PH D

25 Mar 2026

President and CEO

Sold after exercise

54,641

$101.00

$5.52M

PATEL DINESH V PH D

24 Mar 2026

President and CEO

Sold after exercise

$101.00

$5.96K

Williams Lewis T

17 Feb 2026

Director

Sold after exercise

18,000

$82.42

$1.48M

Waddill William D.

6 Feb 2026

Director

Sold after exercise

20,000

$83.68

$1.67M

MOLINA ARTURO MD

27 Jan 2026

Chief Medical Officer

Sold after exercise

5,000

$82.00

$410.00K

Ali Asif

27 Jan 2026

Chief Financial Officer

Sold after exercise

18,203

$83.14

$1.51M

Ali Asif

27 Jan 2026

Chief Financial Officer

Sold after exercise

28,000

$83.13

$2.33M

PATEL DINESH V PH D

27 Jan 2026

President and CEO

Sold after exercise

4,068

$83.19

$338.42K

MOLINA ARTURO MD

26 Jan 2026

Chief Medical Officer

Sold after exercise

5,000

$82.28

$411.40K

PATEL DINESH V PH D

26 Jan 2026

President and CEO

Sold after exercise

14,205

$84.05

$1.19M

PATEL DINESH V PH D

26 Jan 2026

President and CEO

Sold after exercise

10,685

$84.00

$897.54K

PATEL DINESH V PH D

23 Jan 2026

President and CEO

Sold after exercise

19,315

$84.59

$1.63M

Waddill William D.

10 Oct 2025

Director

Sold after exercise

8,000

$87.81

$702.48K

Waddill William D.

10 Oct 2025

Director

Sold after exercise

4,000

$69.25

$277.00K

MOLINA ARTURO MD

10 Jun 2025

Chief Medical Officer

Sold after exercise

10,000

$57.03

$570.30K

MOLINA ARTURO MD

9 Jun 2025

Chief Medical Officer

Sold after exercise

10,000

$55.51

$555.10K

MOLINA ARTURO MD

13 Mar 2025

Chief Medical Officer

Sold after exercise

30,514

$55.74

$1.70M

Ali Asif

12 Mar 2025

Chief Financial Officer

Sold after exercise

24,903

$58.73

$1.46M

MOLINA ARTURO MD

27 Nov 2024

Chief Medical Officer

Sold after exercise

16,000

$44.83

$717.28K

MOLINA ARTURO MD

27 Nov 2024

Chief Medical Officer

Sold after exercise

10,000

$44.50

$445.00K

Gupta Suneel

26 Nov 2024

Chief Development Officer

Sold after exercise

19,191

$45.50

$873.19K

MOLINA ARTURO MD

26 Nov 2024

Chief Medical Officer

Sold after exercise

5,529

$45.60

$252.12K

PATEL DINESH V PH D

25 Nov 2024

President and CEO

Sold after exercise

78,520

$46.96

$3.69M

Gupta Suneel

25 Nov 2024

Chief Development Officer

Sold after exercise

103,437

$46.04

$4.76M

Ali Asif

11 Sep 2024

Chief Financial Officer

Sold after exercise

12,000

$44.47

$533.64K

Ali Asif

11 Sep 2024

Chief Financial Officer

Sold after exercise

2,203

$44.59

$98.23K

Waddill William D.

10 Sep 2024

Director

Sold after exercise

8,000

$45.00

$360.00K

Waddill William D.

24 Jul 2024

Director

Sold after exercise

8,000

$40.00

$320.00K

Waddill William D.

7 Jun 2024

Director

Sold after exercise

8,000

$35.00

$280.00K

Ali Asif

1 Mar 2024

Chief Financial Officer

Sold after exercise

2,248

$32.33

$72.68K

Ali Asif

1 Mar 2024

Chief Financial Officer

Sold after exercise

12,000

$32.22

$386.64K

Waddill William D.

1 Mar 2024

Director

Sold after exercise

12,975

$31.34

$406.64K

Gupta Suneel

9 Jan 2024

Chief Development Officer

Sold after exercise

5,000

$25.00

$125.00K

Liu David Y

17 Aug 2021

Chief Scientific Officer

Sold after exercise

14,779

$47.56

$702.89K

Noonberg Sarah B.

11 Feb 2021

Director

Sold after exercise

3,700

$25.09

$92.83K

Noonberg Sarah B.

10 Feb 2021

Director

Sold after exercise

400

$26.04

$10.42K

Noonberg Sarah B.

10 Feb 2021

Director

Sold after exercise

4,300

$25.42

$109.31K

PATEL DINESH V PH D

19 Jan 2021

President and CEO

Sold after exercise

24,846

$24.60

$611.10K

KHOSLA CHAITAN PHD

11 Aug 2020

Director

Sold after exercise

2,499

$17.19

$42.95K

Liu David Y

12 Mar 2018

Chief Scientific Officer

Sold after exercise

3,500

$21.29

$74.50K

Liu David Y

2 Mar 2018

Chief Scientific Officer

Sold after exercise

875

$20.00

$17.50K

Liu David Y

16 Jan 2018

Chief Scientific Officer

Sold after exercise

875

$20.00

$17.50K

Shames Richard S.

22 Dec 2017

Chief Medical Officer

Sold after exercise

3,529

$20.50

$72.34K

PATEL DINESH V PH D

21 Dec 2017

President and CEO

Sold after exercise

8,210

$19.56

$160.57K

PATEL DINESH V PH D

20 Dec 2017

President and CEO

Sold after exercise

1,790

$19.55

$34.99K

O'Neil Thomas P.

18 Dec 2017

Chief Financial Officer

Sold after exercise

8,000

$20.00

$160.00K

Liu David Y

18 Dec 2017

Chief Scientific Officer

Sold after exercise

875

$20.00

$17.50K

Liu David Y

30 Nov 2017

Chief Scientific Officer

Sold after exercise

875

$20.00

$17.50K

Liu David Y

13 Nov 2017

Chief Scientific Officer

Sold after exercise

3,500

$16.97

$59.38K

Liu David Y

13 Nov 2017

Chief Scientific Officer

Sold after exercise

3,500

$16.97

$59.38K

Shames Richard S.

5 Oct 2017

Chief Medical Officer

Sold after exercise

2,017

$19.00

$38.32K

Shames Richard S.

29 Aug 2017

Chief Medical Officer

Sold after exercise

1,512

$17.00

$25.70K

Liu David Y

28 Aug 2017

Chief Scientific Officer

Sold after exercise

3,500

$15.00

$52.50K

Liu David Y

10 Jul 2017

Chief Scientific Officer

Sold after exercise

3,500

$12.68

$44.38K

Show all 162 transactions →

Protagonist Therapeutics, Inc

By person

Individual transactions

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