Arkolith/Insider Trading/AMBQ/Form 4

Esaka Fumihide

Chief Executive Officer, DirectorAmbiq Micro, Inc. (AMBQ) · full profile →Form 4 · filed May 18, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$4.2M
Net Open-Market Flow
-$4.2M
Transactions
8
4 non-derivative · 4 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
May 15, 2026Option exercise(M)45K$8.12$369K437K
May 15, 2026Option exercise(M)15K$12.60$183K451K
May 14, 2026Option exercise(M)60K$8.12$487K451K
May 14, 2026Sell(S)60K$70.02$4.2M391K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
May 15, 2026Option exercise(M)7K—$0185K
May 15, 2026Option exercise(M)45K—$099K
May 15, 2026Option exercise(M)8K—$0114K
May 14, 2026Option exercise(M)60K—$0144K

Transaction Codes

M
Option exercise / conversion
S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0002078454-26-000008) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML