Gurusamy Mathi 4

4 · LANTRONIX INC · Filed Mar 3, 2026

Form 4

Period: 2026-03-01

Chief Product & Strategy Ofcr

Transactions

Exercise/Conversion
Common Stock
[F1]
2026-03-01+3,334→ 66,717 total
Exercise/Conversion
Common Stock
[F2]
2026-03-01+7,974→ 74,691 total
Tax Payment
Common Stock
[F3]
2026-03-01$5.98/sh−4,655$27,837→ 70,036 total
Exercise/Conversion
Restricted Stock Units
[F1]
2026-03-01−3,334→ 16,673 total
→ Common Stock (3,334 underlying)
Exercise/Conversion
Restricted Stock Units
[F2]
2026-03-01−7,974→ 39,874 total
→ Common Stock (7,974 underlying)

Footnotes (3)

[F1]Represents restricted stock units ("RSUs") granted on July 1, 2024. The restricted stock units ("RSUs") shall vest such that one-third (1/3) of the shares vest on July 1, 2025 and the remaining two-thirds (2/3) of the total number of shares vest quarterly thereafter beginning on September 1, 2025, such that one hundred percent (100%) of the RSUs will be fully vested on June 1, 2027.
[F2]Represents restricted stock units ("RSUs") granted on June 1, 2024. The restricted stock units ("RSUs") shall vest such that one-third (1/3) of the shares vest on June 1, 2025 and the remaining two-thirds (2/3) of the total number of shares vest quarterly thereafter beginning on September 1, 2025, such that one hundred percent (100%) of the RSUs will be fully vested on June 1, 2027.
[F3]In accordance with the terms of the RSU Agreement, 4,655 shares of Lantronix, Inc. common stock were withheld at vesting to cover required tax withholding.

Signature

/s/ Brent Stringham, Attorney-in-fact for Mathi Gurusamy|2026-03-03

Documents

1 file