SCHEDULE 13D/A

Lantronix, Inc.

Common Stock, par value $0.0001 · CUSIP: 516548203

Event date: 2025-12-01

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• TL Investment GmbHReported CIK 0001429778

  Shares: 0.00 · Class: 0%

• BRUSCHA BERNHARDReported CIK 0001134246

  Shares: 2,347,925.00 · Class: 6.0%

• Manfred Rubin-Schwarz

  Shares: 0.00 · Class: 0%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.