GURUSAMY MATHI (Chief Product & Strategy Ofcr) exercised options at LANTRONIX INC

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 4 exercises

GURUSAMY MATHI

Filed: 9/3/2026ACC: 0001683168-26-006931

InsiderGURUSAMY MATHICIK 2021595

→

IssuerLANTRONIX INCCIK 1114925

Officer· Chief Product & Strategy Ofcr

Since Mar 2026

-15.49K

Net shares

Net seller

$79.8K

Total sold

Open market trades

0B · 0S

Total transactions

33.76K acquired · 49.25K disposed

Non-Derivative Transactions6

Common Stock

Direct

M · Option Exercise

+3.33K

Price / share

—

Trade value

—

% of position

4.1%

9/1/2026

80.81K→84.14K

Common Stock

Direct

M · Option Exercise

+7.97K

Price / share

—

Trade value

—

% of position

9.5%

9/1/2026

84.14K→92.11K

Common Stock

Direct

M · Option Exercise

+7.12K

Price / share

—

Trade value

—

% of position

7.7%

9/1/2026

92.11K→99.23K

Common Stock

Direct

F · Tax Withholding

−8.45K

Price / share

$5.15

Trade value

$43.53K

% of position

8.5%

9/1/2026

99.23K→90.78K

Common Stock

Direct

M · Option Exercise

+15.34K

Price / share

—

Trade value

—

% of position

16.9%

9/1/2026

90.78K→106.12K

Common Stock

Direct

F · Tax Withholding

−7.04K

Price / share

$5.15

Trade value

$36.23K

% of position

6.6%

9/1/2026

106.12K→99.08K

Total

Net shares

+18.27K

Net value

-$79.76K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	9/1/2026	M · Option Exercise	+3.33K	—	—	4.1%	80.81K	84.14K
Common Stock Direct	9/1/2026	M · Option Exercise	+7.97K	—	—	9.5%	84.14K	92.11K
Common Stock Direct	9/1/2026	M · Option Exercise	+7.12K	—	—	7.7%	92.11K	99.23K
Common Stock Direct	9/1/2026	F · Tax Withholding	−8.45K	$5.15	$43.53K	8.5%	99.23K	90.78K
Common Stock Direct	9/1/2026	M · Option Exercise	+15.34K	—	—	16.9%	90.78K	106.12K
Common Stock Direct	9/1/2026	F · Tax Withholding	−7.04K	$5.15	$36.23K	6.6%	106.12K	99.08K
Total			+18.27K		-$79.76K

Derivative Transactions4

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

3.33K shares

−3.33K

Strike price

Held after

10K

Exercisable

—

9/1/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

7.97K shares

−7.97K

Strike price

Held after

23.92K

Exercisable

—

9/1/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

7.12K shares

−7.12K

Strike price

Held after

49.83K

Exercisable

—

9/1/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

15.34K shares

−15.34K

Strike price

Held after

21.47K

Exercisable

—

9/1/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Units Direct	Common Stock3.33K shares	9/1/2026	M · Option Exercise	−3.33K	—	10K
Restricted Stock Units Direct	Common Stock7.97K shares	9/1/2026	M · Option Exercise	−7.97K	—	23.92K
Restricted Stock Units Direct	Common Stock7.12K shares	9/1/2026	M · Option Exercise	−7.12K	—	49.83K
Restricted Stock Units Direct	Common Stock15.34K shares	9/1/2026	M · Option Exercise	−15.34K	—	21.47K