Calabria Carlo 4
4 · Arqit Quantum Inc. · Filed May 8, 2026
Research Summary
AI-generated summary of this filing
Arqit (ARQQ) Director Carlo Calabria Receives & Converts 1,698 RSU Shares
What Happened
- Carlo Calabria, a director of Arqit Quantum Inc. (ARQQ), had 1,698 restricted stock units (RSUs) that vested and converted into 1,698 ordinary shares on May 6, 2026. The Form 4 records an award/acquisition of 1,698 shares (A) and an exercise/conversion (M) for the same amount at $0.00. The filing also shows a disposition/transfer of 1,698 shares at $0.00 on the same date.
- Total reported consideration for these transactions is $0.00. This event represents an award/vesting and conversion of derivatives rather than an open-market purchase or a cash sale.
Key Details
- Transaction date: 2026-05-06 (reported on Form 4 filed 2026-05-08).
- Transactions reported: Grant/Award (A) of 1,698 RSUs; Exercise/Conversion (M) of 1,698 shares; Disposal (M) of 1,698 shares — all at $0.00.
- Shares owned after transaction: not specified in the filing.
- Footnote: RSUs convert into ARQQ ordinary shares on a one-for-one basis and vested immediately on the date of grant (F1).
- Filing notes the issuer is a foreign private issuer; transactions are exempt from Sections 16(b) and 16(c) of the Exchange Act (per issuer remark). The filing does not indicate it was late.
Context
- For retail investors: this is principally a vesting/conversion of RSUs into ordinary shares, not a market buy or cash sale. The filing’s zero-dollar disposition often reflects internal transfers, cancellations, or withholding arrangements tied to equity awards rather than a market sale; the Form 4 does not provide details on the reason for the $0.00 disposition.
- Such award/vesting events are routine for company insiders and do not by themselves indicate a change in insider sentiment about the stock.
Insider Transaction Report
Form 4
Calabria Carlo
Director
Transactions
- Exercise/Conversion
Ordinary Shares
[F1]2026-05-06+1,698→ 110,922 total - Award
Restricted Stock Units
[F1]2026-05-06+1,698→ 1,698 total→ Ordinary Shares (1,698 underlying) - Exercise/Conversion
Restricted Stock Units
[F1]2026-05-06−1,698→ 0 total→ Ordinary Shares (1,698 underlying)
Footnotes (1)
- [F1]Restricted Stock Units ("RSUs") convert into ARQQ ordinary shares on a one-for-one basis. The RSUs vested immediately on the date of grant.
Signature
/s/ Noleen McDonnell, as Attorney-in-Fact|2026-05-08