HARMONIC (HLIT) SVP Ronald Glahn Exercises RSUs, 1,111 Shares Withheld

What Happened
Ronald J. Glahn, SVP, Global Sales, Broadband at Harmonic Inc. (HLIT), converted/exercised 4,038 restricted stock units into 4,038 shares on August 15, 2026 (exercise/conversion coded M, $0.00 exercise price). To satisfy tax withholding obligations (code F), 1,111 of those shares were surrendered/withheld at $13.92 per share, generating $15,465.

Key Details

• Transaction date: 2026-08-15 (reported on Form 4 filed 2026-08-18).
• Conversion: 4,038 RSUs -> 4,038 shares (M); exercise price reported as $0.00.
• Tax withholding: 1,111 shares disposed/withheld at $13.92 each; proceeds/withholding value $15,465 (F).
• Footnote: F1 — each restricted stock unit (RSU) represents a contingent right to receive one share of HLIT common stock.
• Shares owned after the transaction: not disclosed in the provided filing.
• Timeliness: Filing appears timely (filed three days after the transaction date); the report does not indicate a late filing flag.

Context
This was an RSU conversion with shares withheld to cover taxes — a routine, administrative transaction tied to equity vesting rather than an open-market sale or new cash purchase. Withholdings to satisfy tax obligations are common and are not a clear buy/sell signal about the insider’s view of the stock.