Kampani Arjun 4

What Happened

• Arjun Kampani, Rocket Lab (RKLB) Senior Vice President & General Counsel, disposed of a total of 98,668 shares in open-market transactions on May 26–27, 2026 for aggregate proceeds of $14,246,080. Individual reported transactions include (shares @ weighted‑avg price = proceeds): 757 @ $139.41 = $105,535; 2,254 @ $140.20 = $316,015; 2,800 @ $141.46 = $396,078; 8,341 @ $142.35 = $1,187,383; 11,165 @ $143.24 = $1,599,311; 3,351 @ $144.13 = $482,975; 60,900 @ $144.40 = $8,793,783; and 9,100 @ $150.00 = $1,365,000. These transactions are reported as sales (disposals).

Key Details

• Dates: May 26–27, 2026; Filing date: May 28, 2026 (Form 4 accession 0002001011-26-000073).
• Total shares sold: 98,668; Total proceeds: $14,246,080.
• Shares owned after the transactions: not disclosed in the filing.
• Notable footnotes: the sales were made pursuant to a "sell-to-cover" under a Rule 10b5-1 plan to satisfy tax withholding on vested restricted stock units. Several reported prices are weighted averages; the filing lists price ranges for those averaged trades and offers to provide breakdowns on request.
• Timeliness: Trades occurred May 26–27 and were reported on May 28, 2026 (appears to be within the normal SEC reporting window).

Context

• These were sell transactions tied to tax withholding on RSU vesting (routine "sell-to-cover") rather than open-market buys; such sales are common and do not necessarily signal a change in insider conviction. Purchases generally carry stronger interpretive weight for bullish sentiment.