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IN8BIO, Inc.

INAB
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001740279

No open-market purchases or sales by IN8BIO, Inc. insiders were filed in the last 90 days; 21 institutions reported holding it in 13F filings for Q2 2026, worth $5.35M in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by IN8BIO, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
0 filings
Open-market sells
0 filings
Insiders trading
0
Net value
$0
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for IN8BIO, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for IN8BIO, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Fairbairn EmilyDirector0IndirectMay 29, 20263
Brandt Peter C.Director95,181May 12, 20262
Lamb LawrenceEVP and CSO101,369May 12, 20262
Ho William Tai-WeiCEO121,168May 12, 20263
Epperly CorinneDirector81,967May 12, 20261
Greenwood LubaDirector7,826May 12, 20261
McCall PatrickCHIEF FINANCIAL OFFICER9,482May 12, 20263
Rochlin KatePresident and COO9,085May 12, 20263
Graff Jeremy R.Director4,549May 12, 20261
Roemer Alan S.Director49,514Dec 23, 20251
BIOS Fund II, LP10% Owner570,724IndirectMay 7, 20250
BIOS Fund II QP, LP10% Owner570,724IndirectMay 7, 20250
BIOS Fund II NT, LP10% Owner570,724IndirectMay 7, 20250
BIOS Incysus Co-Invest I, LP10% Owner570,724IndirectMay 7, 20250
Fletcher Aaron G.L.10% Owner570,724IndirectMay 7, 20250
BIOS Advisors GP, LLC10% Owner570,724IndirectMay 7, 20250
BIOS Capital Management, LP10% Owner570,724IndirectMay 7, 20250
Bios Clinical Opportunity Fund, LP10% Owner–May 7, 20250
Bios Equity COF, LP10% Owner–May 7, 20250
BIOS Fund III NT, LP10% Owner570,724IndirectMay 7, 20250
BIOS Fund III QP, LP10% Owner570,724IndirectMay 7, 20250
BIOS Fund III, LP10% Owner570,724IndirectMay 7, 20250
Cavu Management, LP10% Owner570,724IndirectMay 7, 20250
Cavu Advisors, LLC10% Owner570,724IndirectMay 7, 20250
BP Directors, LP10% Owner–May 7, 20250
Bios Equity Partners II, LP10% Owner570,724IndirectMay 7, 20250
Bios Equity Partners, LP10% Owner–May 7, 20250
Kreis Leslie W.10% Owner570,724IndirectMay 7, 20250
BIOS Equity Partners III, LP10% Owner570,724IndirectMay 7, 20250
Whitfill TravisDirector–Dec 23, 20240
Goswami TrishnaChief Medical Officer6,729Sep 5, 20240
Transcend Partners Opportunity Fund LLC10% Owner4,111,958IndirectAug 18, 20220

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
May 7, 2025 (view filing)9:48 PM ETMay 25 daysLateBIOS Fund II, LP and 8 others10% OwnerPPurchase+1.15M–––2.43M afterDerivativeDuplicate filing
May 7, 2025 (view filing)9:47 PM ETMay 25 daysLateBIOS Fund III NT, LP and 9 others10% OwnerPPurchase+1.15M–––2.43M afterDerivative
Oct 11, 2024 (view filing)6:13 PM ETOct 47 daysLateBIOS Fund III NT, LP and 9 others10% OwnerPPurchase+1.28M–––709.0K afterDerivative2 lotsDuplicate filing
Oct 11, 2024 (view filing)6:12 PM ETOct 47 daysLateBIOS Fund II, LP and 8 others10% OwnerPPurchase+1.28M–––709.0K afterDerivative2 lots
Oct 8, 2024 (view filing)Oct 44 daysFairbairn EmilyDirectorPPurchase+6.08M–––3.04M afterDerivative2 lots
Dec 14, 2023 (view filing)6:03 AM ETDec 131 dayCavu Management, LP and 6 others10% OwnerPPurchase+1.72M–––574.2K afterDerivative3 lotsDuplicate filing
Dec 14, 2023 (view filing)6:00 AM ETDec 131 dayBIOS Fund II, LP and 9 others10% OwnerPPurchase+1.72M–––574.2K afterDerivative3 lots
Sep 15, 2023 (view filing)Sep 132 daysGraff Jeremy R.DirectorPPurchase+2.50K$0.95+$2.38KNew position2.50K after
Aug 28, 2023 (view filing)Aug 253 daysMcCall PatrickChief Financial OfficerPPurchase+1.00K$1.03+$1.03K+19.0%6.26K after
Aug 28, 2023 (view filing)Aug 244 daysHo William Tai-WeiPresident and CEOPPurchase+23.8K$1.05+$25.0K+1.0%2.34M after
Dec 13, 2022 (view filing)7:01 AM ETDec 121 dayCavu Management, LP and 4 othersDirector, 10% OwnerPPurchase+75.0K$2.48+$185.9K+15.1%570.7K after3 lotsDuplicate filing
Dec 13, 2022 (view filing)7:00 AM ETDec 121 dayBIOS Fund II, LP and 9 othersDirector, 10% OwnerPPurchase+75.0K$2.48+$185.9K+15.1%570.7K after3 lots
Sep 29, 2022 (view filing)6:14 AM ETSep 281 dayBIOS Fund II, LP and 9 othersDirector, 10% OwnerPPurchase+25.0K$2.02+$50.5K+4.7%562.0K after3 lotsDuplicate filing
Sep 29, 2022 (view filing)6:08 AM ETSep 281 dayCavu Management, LP and 4 othersDirector, 10% OwnerPPurchase+25.0K$2.02+$50.5K+4.7%562.0K after3 lots
Aug 30, 2022 (view filing)1:16 PM ETAug 26-294 daysBIOS Fund II, LP and 8 othersDirector, 10% OwnerPPurchase+51.2K$2.02+$103.3K+10.1%559.1K after6 lotsDuplicate filing
Aug 30, 2022 (view filing)8:10 AM ETAug 26-294 daysBIOS Fund II, LP and 8 othersDirector, 10% OwnerPPurchase+51.2K$2.02+$103.3K+10.1%559.1K after6 lots
Aug 18, 2022 (view filing)8:00 PM ETAug 171 dayBIOS Fund II, LP and 8 othersDirector, 10% OwnerPPurchase+50.0K$1.93+$96.5K+9.9%553.1K after3 lotsDuplicate filing
Aug 18, 2022 (view filing)7:16 PM ETAug 171 dayFletcher Aaron G.L. and 4 othersDirector, 10% OwnerPPurchase+50.0K$1.93+$96.5K+9.9%553.1K after3 lots
Aug 18, 2022 (view filing)4:17 PM ETAug 162 daysFairbairn Emily and 1 otherDirector, 10% OwnerPPurchase+789.5K$1.90+$1.50M+23.8%4.11M after
Aug 18, 2022 (view filing)Aug 162 daysHo William Tai-WeiPresident, CEO and CFOPPurchase+26.3K$1.90+$50.0K+1.1%2.32M after
Aug 18, 2022 (view filing)Aug 162 daysRochlin KateChief Operating OfficerPPurchase+5.26K$1.90+$10.0KNew position5.26K after
Aug 18, 2022 (view filing)Aug 162 daysMcCall PatrickChief Financial OfficerPPurchase+5.26K$1.90+$10.0KNew position5.26K after
Aug 18, 2022 (view filing)Aug 162 daysGoswami TrishnaChief Medical OfficerPPurchase+2.63K$1.90+$5.00KNew position2.63K after
Aug 18, 2022 (view filing)Aug 162 daysLamb LawrenceEVP and CSOPPurchase+526$1.90+$999.4+0.5%99.7K after
Aug 18, 2022 (view filing)Aug 162 daysGreenwood LubaDirectorPPurchase+526$1.90+$999.4+7.2%7.83K after
Aug 18, 2022 (view filing)Aug 162 daysRoemer Alan S.DirectorPPurchase+26.3K$1.90+$50.0K+88.7%56.0K after
Aug 18, 2022 (view filing)Aug 162 daysBrandt Peter C.DirectorPPurchase+105.3K$1.90+$200.0K+136.3%182.5K after
Aug 17, 2022 (view filing)10:27 AM ETAug 161 dayBIOS Fund II, LP and 8 othersDirector, 10% OwnerPPurchase+1.77M$1.90+$3.37MNew position540.3K after3 lotsDuplicate filing
Aug 17, 2022 (view filing)10:25 AM ETAug 161 dayFletcher Aaron G.L. and 4 othersDirector, 10% OwnerPPurchase+1.77M$1.90+$3.37MNew position540.3K after3 lots
Aug 3, 2021 (view filing)4:51 PM ETAug 3Same dayFairbairn Emily and 1 otherDirector, 10% OwnerPPurchase+100.0K$10.00+$1.00M+3.1%3.32M after