Protagonist Therapeutics ($PTGX) Insider Trading & Smart Money Activity

Protagonist Therapeutics, Inc. · Biotechnology · Latest filing Sep 30, 2026

Protagonist Therapeutics, Inc. ($PTGX) has 3 insider trades and 2 13F position changes on file. In the last 12 months on the open market, no insider bought and 1 insider sold ($8.31M), net -$8.31M.

Insider buyers (12 mo)
0
Insider sellers (12 mo)
1
Net insider $ (12 mo)
-$8.31M
Congress trades (12 mo)
0
13F moves on file
2
Analyst ratings on file
0

PTGX insider buying and selling by quarter

QuarterInsider buysInsider salesCongress buys / sales13F added / cut
Q1 2026 0 0 0 / 0 0 / 0
Q2 2026 0 0 0 / 0 2 / 0
Q3 2026 0 1 · $8.31M 0 / 0 0 / 0
Q4 2026 0 0 0 / 0 0 / 0

Insider buys and sales count open-market trades only (Form 4 codes P and S). Grants, option exercises and tax withholding are left out.

All PTGX insider, congress, 13F and analyst activity

DateSourceWhoActionSharesValue / amount ΔOwn1W1M6MFilingStory
Insider Ali AsifChief Financial Officer Sell (Open-market sale) 10b5-1 58.63K sh $8.31M 0.0% —
Insider William Waddill Sell (Option exercise) 9K sh +3.0%+13.8% —
Insider William Waddill Buy (Option exercise) 9K sh $148.86K +3.0%+13.8% —
13F Farallon Capital Management Added +204.90K sh $696.98M -2.9%+10.1% —
13F Farallon Capital Management Added +204.90K sh $778.25M -2.9%+10.1% Read

1W / 1M / 6M = how PTGX moved from the trade or filing date.

Insider trading in PTGX: who is buying and selling

InsiderRoleTradesOpen-market netShares heldLast trade
Ali Asif Chief Financial Officer 1 -$8.31M Sep 30, 2026
William Waddill 2 — Jun 23, 2026

Institutions moving PTGX (13F)

Frequently asked questions

Are PTGX insiders buying or selling?

Over the last 12 months 0 insiders made 0 open-market purchases worth $0 and 1 insider made 1 open-market sale worth $8.31M, a net -$8.31M.

What is the latest insider trade in PTGX?

Ali Asif, Chief Financial Officer filed a sell (open-market sale) of 58.63K sh worth $8.31M on Sep 30, 2026.

Which institutions changed their PTGX positions?

Recent 13F filers moving the stock include Farallon Capital Management.

Other biotechnology stocks

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.

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