WINZELER JEFFREY G

PrivateCIK: 1312143
Location

GRANITE BAY, CA

WINZELER JEFFREY G (Chief Financial Officer) sold 21.6% of their position (26K shares) of AMBIQ MICRO, INC. on the open market

Open‑market sale worth $1.82M — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderWINZELER JEFFREY GCIK 1312143
IssuerAMBIQ MICRO, INC.CIK 1500412
Officer· Chief Financial Officer
Since Mar 2026
-26K
Net shares
Net seller
$1.82M
Total sold
2
Open market trades
0B · 2S
6
Total transactions
31.95K acquired · 57.95K disposed
Non-Derivative Transactions4

Common Stock

Direct
M · Option Exercise

Shares

+26K

Price / share

$16.80

Trade value

$436.80K

% of position

27.5%
5/14/2026
94.39K120.39K

Common Stock

Direct
S · Sale

Shares

25.92K

Price / share

$69.90

Trade value

$1.81M

% of position

21.5%
5/14/2026
120.39K94.48K

Common Stock

Direct
S · Sale

Shares

82.00

Price / share

$70.65

Trade value

$5.79K

% of position

0.1%
5/14/2026
94.48K94.39K

Common Stock

Direct
M · Option Exercise

Shares

+5.95K

Price / share

$16.80

Trade value

$99.99K

% of position

6.3%
5/15/2026
94.39K100.35K
Total

Net shares

+5.95K

Net value

-$1.28M

Derivative Transactions2

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

26K shares

Shares

26K

Strike price

16.8

Held after

116.86K

Exercisable

5/14/2026

Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

5.95K shares

Shares

5.95K

Strike price

16.8

Held after

110.91K

Exercisable

5/15/2026
WINZELER JEFFREY G — Insider Transaction (Form 4) Filed May 18, 2026 | Finecho