Arkolith/Insider Trading/ETNB/Form 4

Mansbach Harry H

Chief Medical Officer89bio, Inc. (ETNB) · full profile →Form 4 · filed Oct 30, 2025
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
10
2 non-derivative · 8 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Oct 30, 2025Tender(U)353K——0
Oct 30, 2025Grant(A)50K—$0353K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Oct 30, 2025Disposed to issuer(D)39K—$00
Oct 30, 2025Disposed to issuer(D)98K—$00
Oct 30, 2025Disposed to issuer(D)68K—$00
Oct 30, 2025Disposed to issuer(D)120K—$00
Oct 30, 2025Disposed to issuer(D)320K—$00
Oct 30, 2025Disposed to issuer(D)195K—$00
Oct 30, 2025Disposed to issuer(D)70K—$00
Oct 30, 2025Disposed to issuer(D)45K—$00

Transaction Codes

U
See SEC Form 4 code table
A
Grant / award
D
Disposition to the issuer

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001193125-25-259034) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML