Harmonic Inc.: svp, global sales, broadband Glahn Ronald J exercised 3,750 shares

What happened

• Ronald J Glahn, svp, global sales, broadband, exercised or converted derivatives for 3,750 shares on Oct 15, 2026 (transaction code M). The filing also reports 3,750 derivative shares disposed (listed as derivative) and 1,031 shares disposed to cover taxes at $10.58 per share for total withholding of $10,908 (transaction code F).

Key details

• Transaction date: Oct 15, 2026. Filing date: Oct 19, 2026.
• Prices reported: exercise/conversion entries at $0.00 per share; tax withholding at $10.58 per share for $10,908 total.
• Shares owned after the transactions: not reported in the supplied filing.
• Relevant footnote: F1 says each restricted stock unit represents a contingent right to receive one share of HLIT common stock.
• Transaction codes in the filing: M = option exercise/conversion, F = payment of exercise price or tax liability (withholding). The filing is dated Oct 19, 2026 and is not marked late.

Why it may matter

• The filing shows an exercise/conversion of derivative awards and that shares were disposed to satisfy tax withholding; the filing also shows a disposal of derivative shares.
• A filing does not show why the insider traded or why the company acted.