IN8BIO, INC. (INAB) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-05-29

IN8BIO, INC. (INAB) has filed 10 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-05-29. 2 Form 8-K material event filings were reported by INAB in the last 90 days. InsiderAlpha tracks every INAB SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About IN8BIO, INC. (INAB)

SEC CIK	0001740279

90-Day SEC Filing Activity

Form 4 filings (90d)	10
Form 8-K filings (90d)	2
Latest Form 4 filing	2026-05-29

Recent INAB Insider Transactions (Form 4)

Date	Insider	Role	Transaction	Shares	Price	Value	Filing
2026-05-27	FAIRBAIRN EMILY	Insider	G — Bona-fide gift	724.6K	$0.00	—	SEC
2024-10-04	Brandt Peter C.	Insider	A — Grant or award	253.2K	—	—	SEC
2024-10-04	Roemer Alan S.	Insider	A — Grant or award	126.6K	—	—	SEC
2024-10-04	Rochlin Kate	Chief Operating Officer	A — Grant or award	25.3K	—	—	SEC
2024-10-04	Ho William Tai-Wei	PRESIDENT AND CEO	A — Grant or award	126.6K	—	—	SEC
2024-10-04	McCall Patrick	CHIEF FINANCIAL OFFICER	A — Grant or award	25.3K	—	—	SEC

All transactions sourced from SEC EDGAR Form 4 filings for IN8BIO, INC. (INAB). Updated in real time as new filings are submitted to the SEC.

Most-Active INAB Insiders — Last 90 Days

Insider	Form 4 filings	Total transaction value
FAIRBAIRN EMILY	2	—
Graff Jeremy R.	1	—
Brandt Peter C.	1	—
Ho William Tai-Wei	1	—
McCall Patrick	1	—

Recent INAB Form 8-K Material Events

2026-06-01 — Item 1.01, 1.02, 9.01 [SEC]
2026-05-07 — Item 2.02, 5.02, 5.07 [SEC]
2026-03-12 — Item 2.02 [SEC]
2026-02-27 — Item 5.02 · Leadership · neutral [SEC]
Alan S. Roemer resigned as a director and member of the Audit and Compensation Committees effective February 28, 2026. The departure was not due to any disagreement with the company. Jeremy Graff was appointed as Interim Chair of the Board.

Recent Insider Filings

2026-05-29 — FAIRBAIRN EMILY (Insider)
2026-05-12 — Ho William Tai-Wei (CEO)
2026-05-12 — Greenwood Luba (Insider)
2026-05-12 — Lamb Lawrence (EVP and CSO)
2026-05-12 — FAIRBAIRN EMILY (Insider)

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in INAB insider filings:

P	Open-market purchase by the insider
S	Open-market sale by the insider
A	Grant, award, or other acquisition from the issuer
M	Exercise or conversion of derivative security (e.g. options)
F	Payment of exercise price or tax liability via share withholding
G	Bona-fide gift of securities
D	Disposition to the issuer (e.g. share buyback participation)
J	Other acquisition or disposition
X	Exercise of in-the-money or at-the-money derivative security
C	Conversion of derivative security
V	Transaction voluntarily reported earlier than required

INAB Insider Trading — FAQ

What is the latest insider trade for INAB?: IN8BIO, INC. (INAB) had 10 insider filings in the last 90 days, with the most recent on 2026-05-29. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying INAB stock?: 0 insider purchases of INAB were filed in the last 90 days.
How many insiders are selling INAB stock?: 0 insider sales of INAB were filed in the last 90 days.
Where can I see INAB SEC filings (Form 4, 10-K, 10-Q, 8-K)?: InsiderAlpha aggregates every INAB SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Learn More

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