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IN8BIO, Inc. (INAB)

IN8BIO, Inc. (INAB) Insider Trading

Directors, officers and holders of more than 10% of INAB report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 118 transactions on file: 1 with code P, 0 with code S and 49 with other codes.

DateInsiderCodeShares
May 27, 2026FAIRBAIRN EMILYG Gift724,637
May 9, 2026FAIRBAIRN EMILYA Award22,000
May 9, 2026Lamb LawrenceA Award54,000
May 9, 2026Epperly CorinneA Award22,000
May 9, 2026Graff Jeremy R.A Award22,000
May 9, 2026Brandt Peter C.A Award22,000
May 9, 2026Ho William Tai-WeiA Award154,500
May 9, 2026Greenwood LubaA Award22,000
May 9, 2026Rochlin KateA Award60,000
May 9, 2026McCall PatrickA Award56,250
Feb 4, 2026McCall PatrickA Award75,000
Feb 4, 2026Ho William Tai-WeiA Award206,000
Feb 4, 2026Rochlin KateA Award80,000
Feb 4, 2026Lamb LawrenceA Award72,000
Dec 22, 2025Ho William Tai-WeiA Award36,232
Dec 22, 2025Rochlin KateA Award7,247
Dec 22, 2025FAIRBAIRN EMILYA Award724,637
Dec 22, 2025Brandt Peter C.A Award72,464
Dec 22, 2025McCall PatrickA Award7,247
Dec 22, 2025Roemer Alan S.A Award36,232
May 8, 2025Brandt Peter C.A Award63,150
May 8, 2025Roemer Alan S.A Award63,150
May 8, 2025Epperly CorinneA Award63,150
May 8, 2025FAIRBAIRN EMILYA Award63,150
May 8, 2025Greenwood LubaA Award63,150
May 8, 2025Graff Jeremy R.A Award63,150
May 2, 2025Kreis Leslie W.J Other574,241
May 2, 2025Kreis Leslie W.J Other574,241
May 2, 2025Kreis Leslie W.P Purchase1,148,482
May 1, 2025Ho William Tai-WeiA Award81,967
May 1, 2025Ho William Tai-WeiD Disposition81,967
Apr 30, 2025Rochlin KateM Exercise410
Apr 30, 2025Brandt Peter C.M Exercise81,967
Apr 30, 2025Roemer Alan S.M Exercise11,000
Apr 30, 2025Brandt Peter C.M Exercise81,967
Apr 30, 2025Roemer Alan S.M Exercise102,459
Apr 30, 2025Roemer Alan S.M Exercise367
Apr 30, 2025McCall PatrickM Exercise15,000
Apr 30, 2025Brandt Peter C.M Exercise2,732
Apr 30, 2025McCall PatrickM Exercise500
Apr 30, 2025Brandt Peter C.M Exercise2,732
Apr 30, 2025Rochlin KateM Exercise12,295
Apr 30, 2025Roemer Alan S.M Exercise3,415
Apr 27, 2025Rochlin KateA Award12,295
Apr 27, 2025Rochlin KateD Disposition12,295
Apr 27, 2025Epperly CorinneA Award81,967
Apr 27, 2025Epperly CorinneD Disposition81,967
Apr 27, 2025Roemer Alan S.A Award91,459
Apr 27, 2025Roemer Alan S.A Award11,000
Apr 27, 2025Roemer Alan S.D Disposition102,459

The full Form 4 history is on the INAB company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.