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Insider · CIK 0001792018

Ryan Martins

cfoofficer

Files at ETNB (89bio, Inc.). First filing -, latest -.

Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 0
$0 bought, $0 sold

Signals

This insider’s open-market buys and sells, scored.

No scored open-market trades yet.

Transactions

Every row this insider has filed, newest first.

DateCompanyTransactionSharesPriceValueHoldings afterFiled
Oct 30, 2025ETNB
89bio, Inc.
AGrant or award
Common Stock
+35,000$0.00$0374,295Oct 30, 2025
Oct 30, 2025ETNB
89bio, Inc.
UTender of shares
Common Stock
-374,295--0Oct 30, 2025
Oct 30, 2025ETNB
89bio, Inc.
DDisposition to issuer
Stock Option (Right to Buy)derivative
-47,500$0.00$00Oct 30, 2025
Oct 30, 2025ETNB
89bio, Inc.
DDisposition to issuer
Stock Option (Right to Buy)derivative
-57,500$0.00$00Oct 30, 2025
Oct 30, 2025ETNB
89bio, Inc.
DDisposition to issuer
Stock Option (Right to Buy)derivative
-48,102$0.00$00Oct 30, 2025
Oct 30, 2025ETNB
89bio, Inc.
DDisposition to issuer
Stock Option (Right to Buy)derivative
-110,000$0.00$00Oct 30, 2025
Oct 30, 2025ETNB
89bio, Inc.
DDisposition to issuer
Stock Option (Right to Buy)derivative
-175,000$0.00$00Oct 30, 2025
Oct 30, 2025ETNB
89bio, Inc.
DDisposition to issuer
Stock Option (Right to Buy)derivative
-300,000$0.00$00Oct 30, 2025
Oct 22, 2025ETNB
89bio, Inc.
MOption exercise
Common Stock
+76,901$3.11$239k335,397Oct 23, 2025
Oct 22, 2025ETNB
89bio, Inc.
MOption exercise
Common Stock
+3,898$4.44$17k339,295Oct 23, 2025
Oct 22, 2025ETNB
89bio, Inc.
MOption exercise
Stock Option (Right to Buy)derivative
-76,901$0.00$00Oct 23, 2025
Oct 22, 2025ETNB
89bio, Inc.
MOption exercise
Stock Option (Right to Buy)derivative
-3,898$0.00$048,102Oct 23, 2025
Aug 1, 2025ETNB
89bio, Inc.
FTax withholding
Common Stock
-7,680$9.16$70k253,496Aug 5, 2025
Jun 12, 2025ETNB
89bio, Inc.
FTax withholding
Common Stock
-8,498$9.62$82k261,176Jun 13, 2025
Feb 17, 2025ETNB
89bio, Inc.
FTax withholding
Common Stock
-780$10.57$8,245269,674Feb 19, 2025
Feb 9, 2025ETNB
89bio, Inc.
FTax withholding
Common Stock
-3,828$11.41$44k270,454Feb 11, 2025
Feb 1, 2025ETNB
89bio, Inc.
AGrant or award
Common Stock
+80,000$0.00$0277,620Feb 4, 2025
Feb 1, 2025ETNB
89bio, Inc.
FTax withholding
Common Stock
-3,338$9.60$32k274,282Feb 4, 2025
Feb 1, 2025ETNB
89bio, Inc.
AGrant or award
Stock Option (Right to Buy)derivative
+300,000$0.00$0300,000Feb 4, 2025
Dec 12, 2024ETNB
89bio, Inc.
AGrant or award
Common Stock
-95,000$0.00$0197,620Dec 16, 2024

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Ryan Martins: insider trades and track record | InsiderTell