Pravin Desale, Senior Vice President of R&D at Lattice Semiconductor Corp (NASDAQ:LSCC), filed a Form 4 on September 15, 2026, disclosing multiple common stock transactions dated September 11 and September 14, 2026.

Key Highlights

  • PRSU vesting: 8,713 shares were issued to Desale on September 11, 2026, upon achievement of performance criteria for performance-based restricted stock units granted on September 11, 2023, at no purchase price.
  • Tax withholding shares: A total of 5,303 shares (869 plus 4,434) were withheld by the issuer on September 11, 2026, at $119.76 per share to cover tax withholding obligations tied to the vesting event.
  • Open-market sale: 2,039 shares were sold on September 14, 2026, at $111.83 per share under an approved 10b5-1 plan adopted or modified on February 18, 2026.
  • Resulting ownership: Following all reported transactions, Desale directly holds 73,456 shares of common stock.
  • Filing agent: The form was signed by Tracy Feanny as Attorney in Fact for Pravin Desale on September 15, 2026.

Desale's PRSU Vesting and Share Activity at Lattice Semiconductor

According to the filing, on September 11, 2026, Pravin Desale received 8,713 shares of Lattice Semiconductor common stock upon satisfaction of the performance criteria for performance-based restricted stock units originally granted on September 11, 2023. The filing notes these PRSUs vested on September 11, 2026, and no purchase price was paid for the shares at issuance.

Also on September 11, 2026, the filing discloses two separate share-withholding transactions coded "F," totaling 5,303 shares (869 shares and 4,434 shares) withheld by the issuer at $119.76 per share. The filing states these shares "were retained by the Issuer in order to meet the tax withholding obligations of the Reporting Person in connection with the vesting of an installment of the restricted stock units" and that "the amount retained by the Issuer was not in excess of the amount of the tax liability."

On September 14, 2026, the filing reports a sale of 2,039 shares at $111.83 per share. The filing indicates this transaction was conducted under an approved 10b5-1 plan, with an adoption or modification date of February 18, 2026. After all four reported transactions, Desale's direct beneficial ownership of Lattice Semiconductor common stock stands at 73,456 shares, according to the filing.

What Was Disclosed

The Form 4 covers PRSU vesting, tax-withholding share retention, and a 10b5-1 plan sale of common stock by Lattice Semiconductor's SVP of R&D, Pravin Desale, across September 11 and September 14, 2026, leaving him with 73,456 directly held shares.