Instil Bio, Inc. (TIL) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-06-12

Instil Bio, Inc. (TIL) has filed 4 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-12. 2 Form 8-K material event filings were reported by TIL in the last 90 days. InsiderAlpha tracks every TIL SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About Instil Bio, Inc. (TIL)

SEC CIK	0001789769

90-Day SEC Filing Activity

Form 4 filings (90d)	4
Form 8-K filings (90d)	2
Latest Form 4 filing	2026-06-12

Recent TIL Insider Transactions (Form 4)

Date	Insider	Role	Transaction	Shares	Price	Value	Filing
2025-09-10	Laumas Sandeep	CFO and CBO	M — Option exercise	17.0K	$11.60	$197K	SEC
2025-09-10	Laumas Sandeep	CFO and CBO	M — Option exercise	13.0K	$12.68	$165K	SEC
2025-09-10	Laumas Sandeep	CFO and CBO	S — Open-market sale	17.5K	$23.04	$404K	SEC
2025-09-10	Laumas Sandeep	CFO and CBO	S — Open-market sale	12.5K	$23.88	$298K	SEC

All transactions sourced from SEC EDGAR Form 4 filings for Instil Bio, Inc. (TIL). Updated in real time as new filings are submitted to the SEC.

Most-Active TIL Insiders — Last 90 Days

Insider	Form 4 filings	Total transaction value
Gibson Neil W	1	—
Binder Gwendolyn	1	—
McGaughy R Kent Jr	1	—
Matcham George	1	—

Recent TIL Form 8-K Material Events

2026-06-11 — Item 5.07 [SEC]
2026-05-15 — Item 2.02, 9.01 [SEC]
2026-04-03 — Item 4.01, 9.01 · Other · neutral [SEC]
Instil Bio's Audit Committee approved the appointment of RSM US LLP as the company's independent registered public accounting firm effective April 1, 2026, replacing Deloitte & Touche LLP. The change was routine with no disagreements or reportable events noted between the company
2026-03-27 — Item 2.02, 9.01 · Earnings · neutral [SEC]
Instil Bio issued a press release on March 27, 2026, providing a corporate update and announcing its financial results for the fourth quarter and full year ended December 31, 2025. The filing contains standard financial results reporting without explicit beat/miss or guidance lan

Recent Insider Filings

2026-06-12 — McGaughy R Kent Jr (Director)
2026-06-12 — Matcham George (Director)
2026-06-12 — Gibson Neil W (Director)
2026-06-12 — Binder Gwendolyn (Director)
2025-09-10 — Laumas Sandeep (CFO and CBO)

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 TIL 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

TIL Insider Trading — FAQ

What is the latest insider trade for TIL?: Instil Bio, Inc. (TIL) had 4 insider filings in the last 90 days, with the most recent on 2026-06-12. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying TIL stock?: 0 insider purchases of TIL were filed in the last 90 days.
How many insiders are selling TIL stock?: 0 insider sales of TIL were filed in the last 90 days.
Where can I see TIL SEC filings (Form 4, 10-K, 10-Q, 8-K)?: InsiderAlpha aggregates every TIL SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Learn More

Open the live TIL dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.