PTGX: Ali Asif discloses securities transactions

By AlphaYouPublished Oct 2, 2026Form 4

Stocks in this disclosure

Reported activity

Ali Asif

Reporting filer

Ali Asif reported Exercise or conversion in Protagonist Therapeutics, Inc: 9229 units of Common Stock, dated 2026-09-30. The full Form 4 contains 10 transaction entries.

Disclosed: Oct 2, 2026

Reported details

10 entries

All validated entries in this disclosure
Security	Owner	Date	Code	Action	Quantity	Price	Following holdings	Reporting delay	Filed terms and references
Common Stock	Ali Asif	2026-09-30	M	Exercise or conversion	9229	38.98	68,232	2 days	Filed terms security Title: Common Stock transaction Date: 2026-09-30 deemed Execution Date: transaction Form Type: 4 transaction Code: M equity Swap Involved: 0 id: F1 transaction Timeliness: transaction Shares: 9229 transaction Price Per Share: 38.98 transaction Acquired Disposed Code: A shares Owned Following Transaction: 68232 direct Or Indirect Ownership: D
Common Stock	Ali Asif	2026-09-30	M	Exercise or conversion	28438	23.42	96,670	2 days	Filed terms security Title: Common Stock transaction Date: 2026-09-30 deemed Execution Date: transaction Form Type: 4 transaction Code: M equity Swap Involved: 0 id: F1 transaction Timeliness: transaction Shares: 28438 transaction Price Per Share: 23.42 transaction Acquired Disposed Code: A shares Owned Following Transaction: 96670 direct Or Indirect Ownership: D
Common Stock	Ali Asif	2026-09-30	M	Exercise or conversion	15650	19.19	112,320	2 days	Filed terms security Title: Common Stock transaction Date: 2026-09-30 deemed Execution Date: transaction Form Type: 4 transaction Code: M equity Swap Involved: 0 id: F1 transaction Timeliness: transaction Shares: 15650 transaction Price Per Share: 19.19 transaction Acquired Disposed Code: A shares Owned Following Transaction: 112320 direct Or Indirect Ownership: D
Common Stock	Ali Asif	2026-09-30	M	Exercise or conversion	5312	12.17	117,632	2 days	Filed terms security Title: Common Stock transaction Date: 2026-09-30 deemed Execution Date: transaction Form Type: 4 transaction Code: M equity Swap Involved: 0 id: F1 transaction Timeliness: transaction Shares: 5312 transaction Price Per Share: 12.17 transaction Acquired Disposed Code: A shares Owned Following Transaction: 117632 direct Or Indirect Ownership: D
Common Stock	Ali Asif	2026-09-30	S	Sale	12595	141.77	105,037	2 days	Filed terms security Title: Common Stock transaction Date: 2026-09-30 deemed Execution Date: transaction Form Type: 4 transaction Code: S equity Swap Involved: 0 id: F1 transaction Timeliness: transaction Shares: 12595 transaction Price Per Share: 141.77 id: F2 transaction Acquired Disposed Code: D shares Owned Following Transaction: 105037 direct Or Indirect Ownership: D
Common Stock	Ali Asif	2026-09-30	S	Sale	46034	141.78	59,003	2 days	Filed terms security Title: Common Stock transaction Date: 2026-09-30 deemed Execution Date: transaction Form Type: 4 transaction Code: S equity Swap Involved: 0 id: F1 transaction Timeliness: transaction Shares: 46034 transaction Price Per Share: 141.78 id: F3 transaction Acquired Disposed Code: D shares Owned Following Transaction: 59003 direct Or Indirect Ownership: D
Stock Option (right to buy) (derivative)	Ali Asif	2026-09-30	M	Exercise or conversion	9229	0	29,291	2 days	Filed terms security Title: Stock Option (right to buy) conversion Or Exercise Price: 38.98 transaction Date: 2026-09-30 deemed Execution Date: transaction Form Type: 4 transaction Code: M equity Swap Involved: 0 transaction Timeliness: transaction Shares: 9229 transaction Price Per Share: 0 transaction Acquired Disposed Code: D id: F4 expiration Date: 2035-01-01 underlying Security Title: Common Stock underlying Security Shares: 9229 shares Owned Following Transaction: 29291 direct Or Indirect Ownership: D
Stock Option (right to buy) (derivative)	Ali Asif	2026-09-30	M	Exercise or conversion	28438	0	49,562	2 days	Filed terms security Title: Stock Option (right to buy) conversion Or Exercise Price: 23.42 transaction Date: 2026-09-30 deemed Execution Date: transaction Form Type: 4 transaction Code: M equity Swap Involved: 0 transaction Timeliness: transaction Shares: 28438 transaction Price Per Share: 0 transaction Acquired Disposed Code: D id: F5 expiration Date: 2034-01-01 underlying Security Title: Common Stock underlying Security Shares: 28438 shares Owned Following Transaction: 49562 direct Or Indirect Ownership: D
Stock Option (right to buy) (derivative)	Ali Asif	2026-09-30	M	Exercise or conversion	15650	0	51,150	2 days	Filed terms security Title: Stock Option (right to buy) conversion Or Exercise Price: 19.19 transaction Date: 2026-09-30 deemed Execution Date: transaction Form Type: 4 transaction Code: M equity Swap Involved: 0 transaction Timeliness: transaction Shares: 15650 transaction Price Per Share: 0 transaction Acquired Disposed Code: D id: F6 expiration Date: 2032-04-17 underlying Security Title: Common Stock underlying Security Shares: 15650 shares Owned Following Transaction: 51150 direct Or Indirect Ownership: D
Stock Option (right to buy) (derivative)	Ali Asif	2026-09-30	M	Exercise or conversion	5312	0	25,235	2 days	Filed terms security Title: Stock Option (right to buy) conversion Or Exercise Price: 12.17 transaction Date: 2026-09-30 deemed Execution Date: transaction Form Type: 4 transaction Code: M equity Swap Involved: 0 transaction Timeliness: transaction Shares: 5312 transaction Price Per Share: 0 transaction Acquired Disposed Code: D id: F7 expiration Date: 2033-01-15 underlying Security Title: Common Stock underlying Security Shares: 5312 shares Owned Following Transaction: 25235 direct Or Indirect Ownership: D

Common Stock

Owner: Ali Asif
Date: 2026-09-30
Code: M
Action: Exercise or conversion
Quantity: 9229
Price: 38.98
Following holdings: 68,232
Reporting delay: 2 days
Filed terms and references: Filed terms
security Title: Common Stock
transaction Date: 2026-09-30
deemed Execution Date:
transaction Form Type: 4
transaction Code: M
equity Swap Involved: 0
id: F1
transaction Timeliness:
transaction Shares: 9229
transaction Price Per Share: 38.98
transaction Acquired Disposed Code: A
shares Owned Following Transaction: 68232
direct Or Indirect Ownership: D

Common Stock

Owner: Ali Asif
Date: 2026-09-30
Code: M
Action: Exercise or conversion
Quantity: 28438
Price: 23.42
Following holdings: 96,670
Reporting delay: 2 days
Filed terms and references: Filed terms
security Title: Common Stock
transaction Date: 2026-09-30
deemed Execution Date:
transaction Form Type: 4
transaction Code: M
equity Swap Involved: 0
id: F1
transaction Timeliness:
transaction Shares: 28438
transaction Price Per Share: 23.42
transaction Acquired Disposed Code: A
shares Owned Following Transaction: 96670
direct Or Indirect Ownership: D

Common Stock

Owner: Ali Asif
Date: 2026-09-30
Code: M
Action: Exercise or conversion
Quantity: 15650
Price: 19.19
Following holdings: 112,320
Reporting delay: 2 days
Filed terms and references: Filed terms
security Title: Common Stock
transaction Date: 2026-09-30
deemed Execution Date:
transaction Form Type: 4
transaction Code: M
equity Swap Involved: 0
id: F1
transaction Timeliness:
transaction Shares: 15650
transaction Price Per Share: 19.19
transaction Acquired Disposed Code: A
shares Owned Following Transaction: 112320
direct Or Indirect Ownership: D

Common Stock

Owner: Ali Asif
Date: 2026-09-30
Code: M
Action: Exercise or conversion
Quantity: 5312
Price: 12.17
Following holdings: 117,632
Reporting delay: 2 days
Filed terms and references: Filed terms
security Title: Common Stock
transaction Date: 2026-09-30
deemed Execution Date:
transaction Form Type: 4
transaction Code: M
equity Swap Involved: 0
id: F1
transaction Timeliness:
transaction Shares: 5312
transaction Price Per Share: 12.17
transaction Acquired Disposed Code: A
shares Owned Following Transaction: 117632
direct Or Indirect Ownership: D

Common Stock

Owner: Ali Asif
Date: 2026-09-30
Code: S
Action: Sale
Quantity: 12595
Price: 141.77
Following holdings: 105,037
Reporting delay: 2 days
Filed terms and references: Filed terms
security Title: Common Stock
transaction Date: 2026-09-30
deemed Execution Date:
transaction Form Type: 4
transaction Code: S
equity Swap Involved: 0
id: F1
transaction Timeliness:
transaction Shares: 12595
transaction Price Per Share: 141.77
id: F2
transaction Acquired Disposed Code: D
shares Owned Following Transaction: 105037
direct Or Indirect Ownership: D

Common Stock

Owner: Ali Asif
Date: 2026-09-30
Code: S
Action: Sale
Quantity: 46034
Price: 141.78
Following holdings: 59,003
Reporting delay: 2 days
Filed terms and references: Filed terms
security Title: Common Stock
transaction Date: 2026-09-30
deemed Execution Date:
transaction Form Type: 4
transaction Code: S
equity Swap Involved: 0
id: F1
transaction Timeliness:
transaction Shares: 46034
transaction Price Per Share: 141.78
id: F3
transaction Acquired Disposed Code: D
shares Owned Following Transaction: 59003
direct Or Indirect Ownership: D

Stock Option (right to buy) (derivative)

Owner: Ali Asif
Date: 2026-09-30
Code: M
Action: Exercise or conversion
Quantity: 9229
Price: 0
Following holdings: 29,291
Reporting delay: 2 days
Filed terms and references: Filed terms
security Title: Stock Option (right to buy)
conversion Or Exercise Price: 38.98
transaction Date: 2026-09-30
deemed Execution Date:
transaction Form Type: 4
transaction Code: M
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 9229
transaction Price Per Share: 0
transaction Acquired Disposed Code: D
id: F4
expiration Date: 2035-01-01
underlying Security Title: Common Stock
underlying Security Shares: 9229
shares Owned Following Transaction: 29291
direct Or Indirect Ownership: D

Stock Option (right to buy) (derivative)

Owner: Ali Asif
Date: 2026-09-30
Code: M
Action: Exercise or conversion
Quantity: 28438
Price: 0
Following holdings: 49,562
Reporting delay: 2 days
Filed terms and references: Filed terms
security Title: Stock Option (right to buy)
conversion Or Exercise Price: 23.42
transaction Date: 2026-09-30
deemed Execution Date:
transaction Form Type: 4
transaction Code: M
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 28438
transaction Price Per Share: 0
transaction Acquired Disposed Code: D
id: F5
expiration Date: 2034-01-01
underlying Security Title: Common Stock
underlying Security Shares: 28438
shares Owned Following Transaction: 49562
direct Or Indirect Ownership: D

Stock Option (right to buy) (derivative)

Owner: Ali Asif
Date: 2026-09-30
Code: M
Action: Exercise or conversion
Quantity: 15650
Price: 0
Following holdings: 51,150
Reporting delay: 2 days
Filed terms and references: Filed terms
security Title: Stock Option (right to buy)
conversion Or Exercise Price: 19.19
transaction Date: 2026-09-30
deemed Execution Date:
transaction Form Type: 4
transaction Code: M
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 15650
transaction Price Per Share: 0
transaction Acquired Disposed Code: D
id: F6
expiration Date: 2032-04-17
underlying Security Title: Common Stock
underlying Security Shares: 15650
shares Owned Following Transaction: 51150
direct Or Indirect Ownership: D

Stock Option (right to buy) (derivative)

Owner: Ali Asif
Date: 2026-09-30
Code: M
Action: Exercise or conversion
Quantity: 5312
Price: 0
Following holdings: 25,235
Reporting delay: 2 days
Filed terms and references: Filed terms
security Title: Stock Option (right to buy)
conversion Or Exercise Price: 12.17
transaction Date: 2026-09-30
deemed Execution Date:
transaction Form Type: 4
transaction Code: M
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 5312
transaction Price Per Share: 0
transaction Acquired Disposed Code: D
id: F7
expiration Date: 2033-01-15
underlying Security Title: Common Stock
underlying Security Shares: 5312
shares Owned Following Transaction: 25235
direct Or Indirect Ownership: D

Purchases, sales, grants and option exercises are different transactions. The reported code identifies the action; it does not establish a motive.

Filing context

Quantities and prices are shown in the units filed. No trade value is inferred from their product.
Ali Asif: Chief Financial Officer.
The filing reports a Rule 10b5-1 trading plan.
F1: The transactions set forth on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 30, 2026.
F2: The price reported represents the weighted average sale price per share. The shares were sold in multiple transactions at prices ranging from $140.21 to $143.31. Upon request by the staff of the U.S. Securities and Exchange Commission (the "SEC"), the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.
F3: The price reported represents the weighted average sale price per share. The shares were sold in multiple transactions at prices ranging from $140.16 to $143.45. Upon request by the SEC, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.
F4: The stock option vests in 48 equal monthly installments following January 2, 2025, subject to the Reporting Person's continued service to the Issuer through each applicable vesting date.
F5: The stock option vests in 48 equal monthly installments following January 2, 2024, subject to the Reporting Person's continued service to the Issuer through each applicable vesting date.
F6: The stock option is fully vested.
F7: The stock option vests in 48 equal monthly installments following January 16, 2023, subject to the Reporting Person's continued service to the Issuer through each applicable vesting date.

Original sources

SEC ownership filing

Prepared automatically from public filing data. Report a correction.

Security

Owner

Date

Code

Action

Quantity

Price

Following holdings

Reporting delay

Filed terms and references

Common Stock

Ali Asif

2026-09-30

Exercise or conversion

9229

38.98

68,232

2 days

Filed terms

security Title: Common Stock
transaction Date: 2026-09-30
deemed Execution Date:
transaction Form Type: 4
transaction Code: M
equity Swap Involved: 0
id: F1
transaction Timeliness:
transaction Shares: 9229
transaction Price Per Share: 38.98
transaction Acquired Disposed Code: A
shares Owned Following Transaction: 68232
direct Or Indirect Ownership: D

Common Stock

Ali Asif

2026-09-30

Exercise or conversion

28438

23.42

96,670

2 days

Filed terms

security Title: Common Stock
transaction Date: 2026-09-30
deemed Execution Date:
transaction Form Type: 4
transaction Code: M
equity Swap Involved: 0
id: F1
transaction Timeliness:
transaction Shares: 28438
transaction Price Per Share: 23.42
transaction Acquired Disposed Code: A
shares Owned Following Transaction: 96670
direct Or Indirect Ownership: D

Common Stock

Ali Asif

2026-09-30

Exercise or conversion

15650

19.19

112,320

2 days

Filed terms

security Title: Common Stock
transaction Date: 2026-09-30
deemed Execution Date:
transaction Form Type: 4
transaction Code: M
equity Swap Involved: 0
id: F1
transaction Timeliness:
transaction Shares: 15650
transaction Price Per Share: 19.19
transaction Acquired Disposed Code: A
shares Owned Following Transaction: 112320
direct Or Indirect Ownership: D

Common Stock

Ali Asif

2026-09-30

Exercise or conversion

5312

12.17

117,632

2 days

Filed terms

security Title: Common Stock
transaction Date: 2026-09-30
deemed Execution Date:
transaction Form Type: 4
transaction Code: M
equity Swap Involved: 0
id: F1
transaction Timeliness:
transaction Shares: 5312
transaction Price Per Share: 12.17
transaction Acquired Disposed Code: A
shares Owned Following Transaction: 117632
direct Or Indirect Ownership: D

Common Stock

Ali Asif

2026-09-30

Sale

12595

141.77

105,037

2 days

Filed terms

security Title: Common Stock
transaction Date: 2026-09-30
deemed Execution Date:
transaction Form Type: 4
transaction Code: S
equity Swap Involved: 0
id: F1
transaction Timeliness:
transaction Shares: 12595
transaction Price Per Share: 141.77
id: F2
transaction Acquired Disposed Code: D
shares Owned Following Transaction: 105037
direct Or Indirect Ownership: D

Common Stock

Ali Asif

2026-09-30

Sale

46034

141.78

59,003

2 days

Filed terms

security Title: Common Stock
transaction Date: 2026-09-30
deemed Execution Date:
transaction Form Type: 4
transaction Code: S
equity Swap Involved: 0
id: F1
transaction Timeliness:
transaction Shares: 46034
transaction Price Per Share: 141.78
id: F3
transaction Acquired Disposed Code: D
shares Owned Following Transaction: 59003
direct Or Indirect Ownership: D

Stock Option (right to buy) (derivative)

Ali Asif

2026-09-30

Exercise or conversion

9229

29,291

2 days

Filed terms

security Title: Stock Option (right to buy)
conversion Or Exercise Price: 38.98
transaction Date: 2026-09-30
deemed Execution Date:
transaction Form Type: 4
transaction Code: M
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 9229
transaction Price Per Share: 0
transaction Acquired Disposed Code: D
id: F4
expiration Date: 2035-01-01
underlying Security Title: Common Stock
underlying Security Shares: 9229
shares Owned Following Transaction: 29291
direct Or Indirect Ownership: D

Stock Option (right to buy) (derivative)

Ali Asif

2026-09-30

Exercise or conversion

28438

49,562

2 days

Filed terms

security Title: Stock Option (right to buy)
conversion Or Exercise Price: 23.42
transaction Date: 2026-09-30
deemed Execution Date:
transaction Form Type: 4
transaction Code: M
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 28438
transaction Price Per Share: 0
transaction Acquired Disposed Code: D
id: F5
expiration Date: 2034-01-01
underlying Security Title: Common Stock
underlying Security Shares: 28438
shares Owned Following Transaction: 49562
direct Or Indirect Ownership: D

Stock Option (right to buy) (derivative)

Ali Asif

2026-09-30

Exercise or conversion

15650

51,150

2 days

Filed terms

security Title: Stock Option (right to buy)
conversion Or Exercise Price: 19.19
transaction Date: 2026-09-30
deemed Execution Date:
transaction Form Type: 4
transaction Code: M
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 15650
transaction Price Per Share: 0
transaction Acquired Disposed Code: D
id: F6
expiration Date: 2032-04-17
underlying Security Title: Common Stock
underlying Security Shares: 15650
shares Owned Following Transaction: 51150
direct Or Indirect Ownership: D

Stock Option (right to buy) (derivative)

Ali Asif

2026-09-30

Exercise or conversion

5312

25,235

2 days

Filed terms

security Title: Stock Option (right to buy)
conversion Or Exercise Price: 12.17
transaction Date: 2026-09-30
deemed Execution Date:
transaction Form Type: 4
transaction Code: M
equity Swap Involved: 0
transaction Timeliness:
transaction Shares: 5312
transaction Price Per Share: 0
transaction Acquired Disposed Code: D
id: F7
expiration Date: 2033-01-15
underlying Security Title: Common Stock
underlying Security Shares: 5312
shares Owned Following Transaction: 25235
direct Or Indirect Ownership: D

Filing context

Quantities and prices are shown in the units filed. No trade value is inferred from their product.

Ali Asif: Chief Financial Officer.

The filing reports a Rule 10b5-1 trading plan.

F1: The transactions set forth on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on June 30, 2026.

F2: The price reported represents the weighted average sale price per share. The shares were sold in multiple transactions at prices ranging from $140.21 to $143.31. Upon request by the staff of the U.S. Securities and Exchange Commission (the "SEC"), the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

F3: The price reported represents the weighted average sale price per share. The shares were sold in multiple transactions at prices ranging from $140.16 to $143.45. Upon request by the SEC, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price.

F4: The stock option vests in 48 equal monthly installments following January 2, 2025, subject to the Reporting Person's continued service to the Issuer through each applicable vesting date.

F5: The stock option vests in 48 equal monthly installments following January 2, 2024, subject to the Reporting Person's continued service to the Issuer through each applicable vesting date.

F6: The stock option is fully vested.

F7: The stock option vests in 48 equal monthly installments following January 16, 2023, subject to the Reporting Person's continued service to the Issuer through each applicable vesting date.