Dinesh V. Ph D. Patel

CIK: 0001120477

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)20 (40.8%)

Position reduction

Option Exercises (M)14 (28.6%)

Derivative conversions

Awards (A)3 (6.1%)

Compensation grants

Other (G, F, J, C, D, …)12 (24.5%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

PTGX

Protagonist Therapeutics, Inc

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (49 total)

PTGX
Protagonist Therapeutics, Inc
Sep 10, 2026
Exercise(M)
Direct
7.3K shares at avg. $21.58$157K
PTGX
Protagonist Therapeutics, Inc
Sep 10, 2026
Sale(S)
Direct
7.3K shares at avg. $144.10$1.0M
PTGX
Protagonist Therapeutics, Inc
Sep 9, 2026
Exercise(M)
Direct
63.5K shares at avg. $21.58$1.4M
PTGX
Protagonist Therapeutics, Inc
Sep 9, 2026
Sale(S)
Direct
63.5K shares at avg. $146.18$9.3M
PTGX
Protagonist Therapeutics, Inc
Sep 8, 2026
Exercise(M)
Direct
54.2K shares at avg. $21.58$1.2M
PTGX
Protagonist Therapeutics, Inc
Sep 8, 2026
Sale(S)
Direct
54.2K shares at avg. $145.87$7.9M
PTGX
Protagonist Therapeutics, Inc
Sep 3, 2026
Gift(G)
Direct
510 shares-
PTGX
Protagonist Therapeutics, Inc
Aug 11, 2026
Sale(S)
Direct
34.2K shares at avg. $148.52$5.1M
PTGX
Protagonist Therapeutics, Inc
Aug 11, 2026
Exercise(M)
Direct
34.2K shares at avg. $21.58$739K
PTGX
Protagonist Therapeutics, Inc
Aug 10, 2026
Sale(S)
Direct
65.8K shares at avg. $149.11$9.8M
PTGX
Protagonist Therapeutics, Inc
Aug 10, 2026
Exercise(M)
Direct
65.8K shares at avg. $21.58$1.4M
PTGX
Protagonist Therapeutics, Inc
May 12, 2026
Exercise(M)
Direct
75K shares at avg. $21.58$1.6M
PTGX
Protagonist Therapeutics, Inc
May 12, 2026
Sale(S)
Direct
75K shares at avg. $100.12$7.5M
PTGX
Protagonist Therapeutics, Inc
Apr 23, 2026
Gift(G)
Direct
1.5K shares-
PTGX
Protagonist Therapeutics, Inc
Mar 25, 2026
Exercise(M)
Direct
54.6K shares at avg. $8.58$469K
PTGX
Protagonist Therapeutics, Inc
Mar 25, 2026
Sale(S)
Direct
54.6K shares at avg. $101.00$5.5M
PTGX
Protagonist Therapeutics, Inc
Mar 24, 2026
Exercise(M)
Direct
59 shares at avg. $8.58$506.22
PTGX
Protagonist Therapeutics, Inc
Mar 24, 2026
Sale(S)
Direct
59 shares at avg. $101.00$6K
PTGX
Protagonist Therapeutics, Inc
Mar 23, 2026
Gift(G)
Direct
50K shares-
PTGX
Protagonist Therapeutics, Inc
Jan 27, 2026
Sale(S)
Direct
4.1K shares at avg. $83.19$338K
PTGX
Protagonist Therapeutics, Inc
Jan 27, 2026
Exercise(M)
Direct
4.1K shares at avg. $21.58$88K
PTGX
Protagonist Therapeutics, Inc
Jan 26, 2026
Sale(S)
Direct
10.7K shares at avg. $84.00$898K
PTGX
Protagonist Therapeutics, Inc
Jan 26, 2026
Sale(S)
Direct
14.2K shares at avg. $84.05$1.2M
PTGX
Protagonist Therapeutics, Inc
Jan 26, 2026
Exercise(M)
Direct
14.2K shares at avg. $21.58$307K
PTGX
Protagonist Therapeutics, Inc
Jan 26, 2026
Exercise(M)
Direct
10.7K shares at avg. $4.21$45K

		Type	Shares	Price		Ownership
Sep 10, 2026	PTGX Protagonist Therapeutics, Inc	Exercise(M)	7,278	$21.58	$157,059	Direct
Sep 10, 2026	PTGX Protagonist Therapeutics, Inc	Sale(S)	7,278	$144.10	$1,048,760	Direct
Sep 9, 2026	PTGX Protagonist Therapeutics, Inc	Exercise(M)	63,548	$21.58	$1,371,366	Direct
Sep 9, 2026	PTGX Protagonist Therapeutics, Inc	Sale(S)	63,548	$146.18	$9,289,447	Direct
Sep 8, 2026	PTGX Protagonist Therapeutics, Inc	Exercise(M)	54,174	$21.58	$1,169,075	Direct
Sep 8, 2026	PTGX Protagonist Therapeutics, Inc	Sale(S)	54,174	$145.87	$7,902,361	Direct
Sep 3, 2026	PTGX Protagonist Therapeutics, Inc	Gift(G)	510	-	$0	Direct
Aug 11, 2026	PTGX Protagonist Therapeutics, Inc	Sale(S)	34,239	$148.52	$5,085,176	Direct
Aug 11, 2026	PTGX Protagonist Therapeutics, Inc	Exercise(M)	34,239	$21.58	$738,878	Direct
Aug 10, 2026	PTGX Protagonist Therapeutics, Inc	Sale(S)	65,761	$149.11	$9,805,623	Direct
Aug 10, 2026	PTGX Protagonist Therapeutics, Inc	Exercise(M)	65,761	$21.58	$1,419,122	Direct
May 12, 2026	PTGX Protagonist Therapeutics, Inc	Exercise(M)	75,000	$21.58	$1,618,500	Direct
May 12, 2026	PTGX Protagonist Therapeutics, Inc	Sale(S)	75,000	$100.12	$7,509,000	Direct
Apr 23, 2026	PTGX Protagonist Therapeutics, Inc	Gift(G)	1,460	-	$0	Direct
Mar 25, 2026	PTGX Protagonist Therapeutics, Inc	Exercise(M)	54,641	$8.58	$468,820	Direct
Mar 25, 2026	PTGX Protagonist Therapeutics, Inc	Sale(S)	54,641	$101.00	$5,518,741	Direct
Mar 24, 2026	PTGX Protagonist Therapeutics, Inc	Exercise(M)	59	$8.58	$506	Direct
Mar 24, 2026	PTGX Protagonist Therapeutics, Inc	Sale(S)	59	$101.00	$5,959	Direct
Mar 23, 2026	PTGX Protagonist Therapeutics, Inc	Gift(G)	50,000	-	$0	Direct
Jan 27, 2026	PTGX Protagonist Therapeutics, Inc	Sale(S)	4,068	$83.19	$338,417	Direct
Jan 27, 2026	PTGX Protagonist Therapeutics, Inc	Exercise(M)	4,068	$21.58	$87,787	Direct
Jan 26, 2026	PTGX Protagonist Therapeutics, Inc	Sale(S)	10,685	$84.00	$897,540	Direct
Jan 26, 2026	PTGX Protagonist Therapeutics, Inc	Sale(S)	14,205	$84.05	$1,193,930	Direct
Jan 26, 2026	PTGX Protagonist Therapeutics, Inc	Exercise(M)	14,205	$21.58	$306,544	Direct
Jan 26, 2026	PTGX Protagonist Therapeutics, Inc	Exercise(M)	10,685	$4.21	$44,984	Direct

1-25 of 49 transactions

About PATEL DINESH V PH D

PATEL DINESH V PH D (SEC CIK 0001120477) files insider reports with the SEC as President and CEO of Protagonist Therapeutics, Inc (PTGX).

Signal8 holds 22 ownership filings by PATEL DINESH V PH D, all Form 4s, filed between Nov 21, 2024 and Sep 10, 2026. Those filings report 49 transactions, from Nov 19, 2024 to Sep 10, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on PATEL DINESH V PH D's filings is in NEWARK, CA.

Recent filings by PATEL DINESH V PH D

Sep 10, 2026: Option exercise of PTGX shares (Form 4, code M).
Sep 10, 2026: Open-market sale of PTGX shares (Form 4, code S).
Sep 9, 2026: Option exercise of PTGX shares (Form 4, code M).
Sep 9, 2026: Open-market sale of PTGX shares (Form 4, code S).
Sep 8, 2026: Option exercise of PTGX shares (Form 4, code M).

Other insiders filing for Protagonist Therapeutics, Inc (PTGX)

Ali Asif, Chief Financial Officer
Waddill William D., Director
Giraudo Bryan, Director
MOLINA ARTURO MD, Chief Medical Officer
SELICK HAROLD E, Director
Williams Lewis T, Director

How to read Form 4 transaction codes