ESAKA FUMIHIDE (Chief Executive Officer) sold 1.1% of their position (5K shares) of AMBIQ MICRO, INC. on the open market
Open‑market sale worth $255.0K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 4 sales
Filed: 10/16/2026ACC: 0002078454-26-000020
DirectorOfficer· Chief Executive Officer
Since Mar 2026
-5K
Net shares
Net seller
$255.0K
Total sold
4
Open market trades
0B · 4S
6
Total transactions
5K acquired · 10K disposed
Non-Derivative Transactions5
Common Stock
Direct
Shares
+5K
Price / share
$8.12
Trade value
$40.60K
% of position
1.1%
10/15/2026
443.90K→448.90K
Common Stock
Direct
Shares
−500.00
Price / share
$49.13
Trade value
$24.57K
% of position
0.1%
10/15/2026
448.90K→448.40K
Common Stock
Direct
Shares
−500.00
Price / share
$50.02
Trade value
$25.01K
% of position
0.1%
10/15/2026
448.40K→447.90K
Common Stock
Direct
Shares
−2.80K
Price / share
$51.15
Trade value
$143.21K
% of position
0.6%
10/15/2026
447.90K→445.10K
Common Stock
Direct
Shares
−1.20K
Price / share
$51.85
Trade value
$62.23K
% of position
0.3%
10/15/2026
445.10K→443.90K
Total
Net shares
+0.00
Net value
-$214.42K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 10/15/2026 | M · Option Exercise | +5K | $8.12 | $40.60K | 1.1% | 443.90K | 448.90K |
| Common Stock Direct | 10/15/2026 | S · Sale | −500.00 | $49.13 | $24.57K | 0.1% | 448.90K | 448.40K |
| Common Stock Direct | 10/15/2026 | S · Sale | −500.00 | $50.02 | $25.01K | 0.1% | 448.40K | 447.90K |
| Common Stock Direct | 10/15/2026 | S · Sale | −2.80K | $51.15 | $143.21K | 0.6% | 447.90K | 445.10K |
| Common Stock Direct | 10/15/2026 | S · Sale | −1.20K | $51.85 | $62.23K | 0.3% | 445.10K | 443.90K |
| Total | +0.00 | -$214.42K | ||||||
Derivative Transactions1
Stock Option (Right to Buy)
Direct
Converts to
Common Stock
5K shares
Shares
−5K
Strike price
8.12
Held after
53.51K
Exercisable
—
10/15/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Stock Option (Right to Buy) Direct | Common Stock5K shares | 10/15/2026 | M · Option Exercise | −5K | 8.12 | — | 53.51K |