IN8BIO, INC.·4

May 12, 4:30 PM ET

FAIRBAIRN EMILY 4

4 · IN8BIO, INC. · Filed May 12, 2026

Research Summary

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IN8BIO Director Emily Fairbairn Receives 22,000-Share Award

What Happened

  • Emily Fairbairn, a director of IN8BIO, was granted a derivative award (reported as an option) covering 22,000 shares on 2026-05-09. The transaction is reported as an acquisition at $0.00 (derivative instrument).

Key Details

  • Transaction date: 2026-05-09; Form 4 filed: 2026-05-12 (three calendar days later).
  • Instrument: Derivative award (described in the filing as an option) for 22,000 shares, reported at $0.00.
  • Vesting: Per footnote, one-twelfth of the option vests in equal monthly installments beginning June 9, 2026; the option will be fully vested on the date of the company’s next annual meeting of stockholders, provided Fairbairn continues to provide service.
  • Shares owned after transaction: Not specified in the provided filing details.
  • No sale or immediate cashless exercise was reported.

Context

  • This was a grant (award) rather than a market purchase or sale. Grants are routine for compensation and do not by themselves indicate buying or selling sentiment. Because this is a derivative (an option award), the economic benefit depends on future vesting and any exercise terms. Check subsequent filings for exercises, sales, or additional disclosure.

Insider Transaction Report

Form 4
Period: 2026-05-09
Transactions
  • Award

    Stock Option (right to buy)

    [F1]
    2026-05-09+22,00022,000 total
    Exercise: $1.58Exp: 2036-05-09Common Stock (22,000 underlying)
Footnotes (1)
  • [F1]One twelfth (1/12th) of the shares subject to the option shall vest in equal monthly installments commencing on June 9, 2026; provided, however, that the option will in any case be fully vested on the date of the Company's next annual meeting of stockholders, subject to the Reporting Person continuing to provide service through each such date.
Signature
/s/ William Ho, Attorney-in-Fact|2026-05-12

Documents

1 file
  • 4
    form4-05122026_040510.xmlPrimary