Deep Isolation Nuclear: chief of staff Sophie McCallum received 104,686 shares

What happened

• Sophie McCallum, chief of staff, received equity awards on Oct 6, 2026: 40,179 restricted stock units (RSUs) at $0, 62,206 incentive stock option shares at $0, and 2,301 non-qualified stock option shares at $0. Filing was submitted on Oct 8, 2026.

Key details

• Transaction date and price: Oct 6, 2026; all items reported at $0 per share (code A: award/grant/acquisition).
• Shares reported: 40,179 RSUs; 62,206 incentive stock option shares; 2,301 non-qualified option shares; total 104,686.
• Vesting and terms (from filing footnotes):
  • F1 (RSUs): 40,179 RSUs vest in four annual installments: 10,045 on Sep 29, 2027; 10,045 on Sep 29, 2028; 10,044 on Sep 29, 2029; 10,045 on Sep 29, 2030, subject to continued service.
  • F2 (incentive stock option): 62,206 option shares vest in specified tranches beginning Sep 29, 2027, with remaining shares vesting monthly from Jan 29, 2028 through Sep 29, 2030, subject to continued service.
  • F3 (non-qualified option): 2,301 option shares vest as 958 on Nov 29, 2027 and 1,343 on Dec 29, 2027, subject to continued service.
• Shares owned after the transaction: not reported in the provided filing.
• Filing date: Oct 8, 2026 (reporting period Oct 6, 2026).

Why it may matter

• These transactions are grants and option awards (not sales or market purchases); the RSUs are contingent rights to receive shares upon vesting and the options are grants, not exercises or dispositions.
• The filing does not show why the insider traded or why the company acted.