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.
Holders of 5% or more of INAB
Holders whose latest Schedule 13D or 13G filing reports 5% or more of IN8BIO, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Lytton Laurence W | 13G/A | 9.99%1.06M shares | 0.00 ppfrom 9.99% | Mar 2, 20262 filings | Aug 13, 2026 | SEC |
| Stonepine Capital Management, LLC | 13G | 9.90%1.01M shares | New | Dec 22, 20251 filing | Dec 22, 2025 | SEC |
| Alyeska Investment Group, L.P. | 13G | 9.90%966.4K shares | New | Feb 17, 20261 filing | Feb 17, 2026 | SEC |
| Franklin Resources Inc | 13G | 9.40%914.5K shares | New | Jan 29, 20261 filing | Jan 29, 2026 | SEC |
| 683 Capital Management, LLC | 13G | 7.86%770.4K shares | New | Dec 30, 20251 filing | Dec 30, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
24 Schedule 13D and 13G filings on IN8BIO, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 13, 20262:21 PM ET | Lytton Laurence Wand 1 other | 13G/A | 9.99%1.06M shares | 0.00 ppfrom 9.99% | Jun 30, 2026 | SEC |
| May 29, 20265:41 PM ET | Fairbairn Emilyand 2 others | 13D/A | 2.20%215.4K shares | −5.30 ppfrom 7.50%Below 5% | May 27, 2026 | SEC |
| Mar 2, 20262:01 PM ET | Lytton Laurence Wand 1 other | 13G | 9.99%984.0K shares | New | Dec 22, 2025 | SEC |
| Feb 17, 20264:42 PM ET | Alyeska Investment Group, L.P.and 2 others | 13G | 9.90%966.4K shares | New | Dec 31, 2025 | SEC |
| Jan 29, 20263:48 PM ET | Franklin Resources Incand 3 others | 13G | 9.40%914.5K shares | New | Dec 31, 2025 | SEC |
| Jan 2, 20267:10 PM ET | Fairbairn Emilyand 2 others | 13D | 7.50%733.3K shares | New | Dec 22, 2025 | SEC |
| Dec 30, 20251:56 PM ET | 683 Capital Management, LLCand 2 others | 13G | 7.86%770.4K shares | New | Dec 22, 2025 | SEC |
| Dec 29, 20254:00 PM ET | BIOS Fund II, LPand 18 others | 13D/A | 4.00%391.4K shares | −5.99 ppfrom 9.99%Below 5% | Dec 22, 2025 | SEC |
| Dec 22, 20255:15 PM ET | Stonepine Capital Management, LLCand 3 others | 13G | 9.90%1.01M shares | New | Dec 19, 2025 | SEC |
| Aug 14, 20255:50 PM ET | Alyeska Investment Group, L.P.and 2 others | 13G/A | 2.58%89.0K shares | −7.32 ppfrom 9.90%Below 5% | Jun 30, 2025 | SEC |
| Aug 13, 20254:55 PM ET | Transcend Partners Opportunity Fund I LLC | 13G/A | 2.60%107.4K shares | –Below 5% | Jun 30, 2025 | SEC |
| Aug 13, 20254:53 PM ET | Ho William Tai-Wei | 13G/A | 3.70%151.2K shares | −1.90 ppfrom 5.60%Below 5% | Jun 30, 2025 | SEC |
| Jul 29, 20254:05 PM ET | Hirschman Orinand 1 other | 13G/A | 4.40%149.9K shares | −4.10 ppfrom 8.50%Below 5% | Jun 30, 2025 | SEC |
| May 8, 20255:53 PM ET | BIOS Fund II, LPand 18 others | 13D/A | 9.99%9.12M shares | – | May 2, 2025 | SEC |
| Feb 14, 20254:41 PM ET | Ho William Tai-Wei | 13G/A | 5.60%4.10M shares | – | Dec 31, 2024 | SEC |
| Feb 14, 20254:29 PM ET | Alyeska Investment Group, L.P.and 2 others | 13G | 9.90%7.24M shares | New | Dec 31, 2024 | SEC |
| Jan 31, 20254:05 PM ET | Hirschman Orinand 1 other | 13G/A | 8.50%6.19M shares | – | Dec 31, 2024 | SEC |
| Feb 13, 2024 | Ho William Tai-Wei | 13G/AOld format | – | – | – | SEC |
| Dec 15, 2023 | Hirschman Orin | 13GOld format | – | New | – | SEC |
| Dec 15, 2023 | Transcend Partners Opportunity Fund I LLC | 13G/AOld format | – | – | – | SEC |
| Dec 15, 2023 | BIOS Fund II, LP | 13D/AOld format | – | – | – | SEC |
| Aug 11, 2023 | Ho William Tai-Wei | 13GOld format | – | New | – | SEC |
| Aug 11, 2023 | Transcend Partners Opportunity Fund I LLC | 13GOld format | – | New | – | SEC |
| Aug 13, 2021 | BIOS Fund II, LP | 13DOld format | – | New | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell IN8BIO, Inc. shares.
No Form 144 notices for IN8BIO, Inc. are on file.