Deep Fission Director Thomas Glanville Awarded 19,156 Restricted Stock Units in July 2026

5 min read | July 27, 2026 02:30 PM PDT | By Anjali Anand

Deep Fission, Inc. (NASDAQ:FISN) announced that director Thomas S. Glanville was granted 19,156 restricted stock units on July 23, 2026, according to a regulatory filing dated July 27, 2026. These units, which vest on July 20, 2027, are contingent on Glanville’s continued service through the vesting date. This equity award is part of the company’s ongoing compensation program for its board members.

Key Points

  • NASDAQ: FISN
  • Director Thomas S. Glanville received 19,156 restricted stock units on July 23, 2026
  • Units vest on July 20, 2027, contingent on continued service through the vesting date
  • Grant was made at no monetary cost to Glanville, as shown by the $0 price in the filing
  • Post-transaction, Glanville beneficially owns 19,156 derivative securities directly

Deep Fission Director Receives Equity Compensation

Thomas S. Glanville, serving as a director at Deep Fission, Inc., was awarded 19,156 restricted stock units on July 23, 2026, as detailed in a Securities and Exchange Commission filing. This equity grant aligns with standard board compensation practices among publicly traded companies, designed to align director interests with shareholder value and provide non-cash remuneration for board service.

The award’s vesting schedule, set for one year after the grant date, incentivizes sustained commitment by linking vesting to continued service. Glanville holds these units in direct form, retaining full beneficial ownership rights subject to the vesting conditions outlined in the filing.

Vesting Terms and Service Conditions

The restricted stock units vest on July 20, 2027, contingent upon Glanville maintaining his service as a director through that date. Each unit entitles him to receive one share of Deep Fission common stock upon vesting. This conditional structure encourages ongoing participation in board governance and strategic decision-making.

The filing does not specify if acceleration clauses exist for earlier vesting in events such as a change in control or departure for specified reasons. Shareholders should monitor whether Glanville remains in his director role through the vesting date and watch for any subsequent disclosures regarding changes to his service or equity terms.

Beneficial Ownership After the Grant

Following this transaction, Glanville beneficially owns 19,156 derivative securities held directly, with no prior reported holdings of derivative or non-derivative securities in Deep Fission. The straightforward nature of his ownership indicates no indirect holdings through other entities.

No common shares were issued or disposed of at the time of the grant; the restricted stock units remain contingent rights until vesting conditions are met on July 20, 2027. Upon vesting, these units will convert into an equivalent number of common shares, increasing Glanville’s stake in the company.

Grant Issued Without Monetary Payment

The filing confirms the restricted stock units were granted at zero cost to Glanville, consistent with typical director equity compensation arrangements awarded as non-cash remuneration. There was no purchase transaction involved, as indicated by the $0 price notation in the filing.

Details on the fair market value of the units at grant or the broader compensation package were not disclosed. Investors seeking further insight into Deep Fission’s board compensation and valuation methods should consult the company’s proxy statements or governance disclosures.

Regulatory Filing and Authorization

The Form 4 filing was signed on Glanville’s behalf by attorney-in-fact Jon Gordon on July 27, 2026, reflecting a common practice of delegating regulatory compliance responsibilities. This filing complies with Section 16(a) of the Securities Exchange Act of 1934, which mandates timely disclosure of insider beneficial ownership changes.

The document includes required certifications and meets SEC standards for insider transaction reporting, ensuring transparency and regulatory compliance.

Significance for Shareholders and Market Participants

This restricted stock unit grant underscores Deep Fission’s approach to director compensation through equity incentives, aligning board members’ interests with shareholder value creation. The one-year vesting period offers a window for investors to observe Glanville’s continued board involvement and the company’s performance supporting vesting.

Investors tracking insider ownership should note this transaction increases Glanville’s equity position. As the July 2027 vesting date nears, further disclosures may reveal updates on his director status or equity holdings. Equity awards to directors and executives collectively provide insight into management’s confidence and strategic direction.

Transaction Documentation and Records

The award was recorded as a derivative security transaction, reflecting its contingent nature prior to vesting. Deep Fission’s corporate records will include detailed documentation such as plan terms and board approvals authorizing the grant to Glanville.

The SEC filing serves as the official public record of this equity compensation event, accessible via EDGAR and company investor relations resources, facilitating transparency and investor monitoring.

Investor Considerations Moving Forward

Investors interested in Deep Fission’s insider activity should monitor future Form 4 filings for additional equity grants or changes involving Glanville and other directors. Variations in equity award timing, size, or structure may indicate shifts in compensation strategy.

Absent guidance on future grants, shareholders should review upcoming proxy statements for comprehensive compensation details and rationale. Comparing Glanville’s award with those of other board members can help assess consistency and alignment within Deep Fission’s director compensation framework.


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