SEC ownership of IN8BIO, INC.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001740279.

Comparable stake leader

Laurence W. Lytton

Disclosed value leader

Alyeska Investment Group, L.P.

Comparable rows

25/37

Latest evidence

27 May 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
25 of 37
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
Laurence W. Lytton
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
27 May 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001740279
Issuer location
New York, NY

Ownership snapshot

Top shareholders of IN8BIO, INC. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Laurence W. Lytton
Disclosed value leader
Alyeska Investment Group,...
Comparable rows
25/37
Latest evidence
27 May 2026
13D/G 13F 3/4/5 Lead comparable stake: 10% 12 rows are not safely comparable across share classes. 13D/G row: Laurence W. Lytton Showing 1-8 of 37 holder rows.

Quick read

Laurence W. Lytton leads the comparable SEC ownership view at 10%.

25 of 37 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Laurence W. Lytton's linked filing trail.
Comparable ownership Top 5
Laurence W. Lytton 10%
Alyeska Investment Group, L.P. 9.9%
Stonepine Capital Management, LLC 9.9%
FRANKLIN RESOURCES INC 9.4%
683 Capital Management, LLC 7.9%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 37 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Laurence W. Lytton
13D/G
LYTTON LAURENCE W
10%
$1,928,701
984,031 shares
$0 22 Dec 2025
Alyeska Investment Group, L.P.
13D/G 13F
Company
9.9%
$2,097,047
966,381 shares
$0 31 Dec 2025
Stonepine Capital Management, LLC
13D/G 13F
Company
9.9%
$1,975,660
1,007,990 shares
$0 19 Dec 2025
FRANKLIN RESOURCES INC
13D/G 13F
Company
9.4%
$2,039,404
914,531 shares
$0 31 Dec 2025
683 Capital Management, LLC
13D/G 13F
Company
7.9%
$1,510,072
770,445 shares
$0 22 Dec 2025
Orin Hirschman
13D/G
4.4%
$17,987
149,895 shares
-$725,036 30 Jun 2025
BIOS Fund II, LP
13D/G
BIOS Capital Management, LP
4%
$849,245
391,357 shares
-$18,941,314 22 Dec 2025
William Tai-Wei Ho
13D/G 3/4/5
CEO, Director
3.7%
$349,325
151,223 shares
$0 30 Jun 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 07 Aug 2025.

Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-17 of 17 reporting-owner rows connected to IN8BIO, INC.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
17
Largest Forms 3/4/5 holder
Leslie W. Kreis
Net 12M change
$0
Latest report
27 May 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Leslie W. Kreis 10%+ Owner $1,289,996 Mixed 02 May 2025
Aaron G.l. Fletcher 10%+ Owner $1,289,996 Mixed 02 May 2025
William Tai-Wei Ho CEO, Director $189,468 Mixed 09 May 2026
Peter C. Brandt Director $138,226 Mixed 09 May 2026
Alan S. Roemer Director $68,329 Mixed 22 Dec 2025
Patrick McCall Chief Financial Officer $13,085 Mixed 09 May 2026
Kate Rochlin President and COO $12,537 Mixed 09 May 2026
Trishna Goswami Chief Medical Officer $6,931 Mixed 04 Sep 2024
Emily Fairbairn Director $0 Mixed 27 May 2026
Corinne Epperly Director Mixed 09 May 2026
Travis Whitfill Director Mixed 19 Dec 2024
Jeremy R. Graff Director Mixed 09 May 2026
Lawrence Lamb EVP and CSO Mixed 09 May 2026
Bios Equity Partners, LP 10%+ Owner Mixed 13 Aug 2021
Luba Greenwood Director Mixed 09 May 2026
Melissa Beelen VP, Clinical Operation Mixed 29 Jul 2021
Bios Clinical Opportunity Fund, LP 10%+ Owner Mixed 13 Dec 2023

Recent insider transactions for IN8BIO, INC.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Emily Fairbairn INAB Common Stock Gift -100% -724,637 0 27 May 2026 See footnote
William Tai-Wei Ho INAB Employee Stock Option (right to buy) Award 154,500 154,500 09 May 2026 Direct
Luba Greenwood INAB Stock Option (right to buy) Award 22,000 22,000 09 May 2026 Direct
Lawrence Lamb INAB Employee Stock Option (right to buy) Award 54,000 54,000 09 May 2026 Direct
Emily Fairbairn INAB Stock Option (right to buy) Award 22,000 22,000 09 May 2026 Direct
Patrick McCall INAB Employee Stock Option (right to buy) Award 56,250 56,250 09 May 2026 Direct
Kate Rochlin INAB Employee Stock Option (right to buy) Award 60,000 60,000 09 May 2026 Direct
Corinne Epperly INAB Stock Option (right to buy) Award 22,000 22,000 09 May 2026 Direct
Peter C. Brandt INAB Stock Option (right to buy) Award 22,000 22,000 09 May 2026 Direct
Jeremy R. Graff INAB Stock Option (right to buy) Award 22,000 22,000 09 May 2026 Direct
Lawrence Lamb INAB Employee Stock Option (right to buy) Award 72,000 72,000 04 Feb 2026 Direct
Patrick McCall INAB Employee Stock Option (right to buy) Award 75,000 75,000 04 Feb 2026 Direct
Kate Rochlin INAB Employee Stock Option (right to buy) Award 80,000 80,000 04 Feb 2026 Direct
William Tai-Wei Ho INAB Employee Stock Option (right to buy) Award 206,000 206,000 04 Feb 2026 Direct
Kate Rochlin INAB Common Stock Award 394.3% 7,247 9,085 22 Dec 2025 Direct
Patrick McCall INAB Common Stock Award 324.2% 7,247 9,482 22 Dec 2025 Direct
William Tai-Wei Ho INAB Common Stock Award 42.7% 36,232 121,168 22 Dec 2025 Direct
Alan S. Roemer INAB Common Stock Award 272.8% 36,232 49,514 22 Dec 2025 Direct
Peter C. Brandt INAB Common Stock Award 319% 72,464 95,181 22 Dec 2025 Direct
Emily Fairbairn INAB Common Stock Award 724,637 724,637 22 Dec 2025 See footnote
* marks a reported price that did not pass the local price check.
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