Key facts
- TIL - Instil Bio, Inc. has 11 insiders with reported activity on this page.
- Net insider value flow over the last year: -$701,667.
- Recent transaction rows are available for direct filing-level review.
Insider Transactions Reported by 11 Insiders of Instil Bio, Inc.
- Symbol
- TIL on Nasdaq
- Location
- Dallas, TX
Change
- Buy value: ; sell value: $701,667.
- Net share flow: -30,000.
Research use
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$701,667.
Buys
$0
Shares: 0
Insiders: 0
Sells
$701,667
Shares: 30,000
Insiders: 1
Net
-$701,667
Shares: -30,000
Insiders: -1
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 30,000 | $0 | $701,667 | -$701,667 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Instil Bio, Inc. executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Sandeep Laumas | CFO and CBO | $0 | -$701,667 | -100% | Mixed | 10 Sep 2025 |
| George Matcham | Director | Mixed | 28 May 2025 | |||
| Gwendolyn Binder | Director | Mixed | 28 May 2025 | |||
| R. Kent Jr. McGaughy | Director | Mixed | 28 May 2025 | |||
| Vijay Chiruvolu | Chief Technical Officer | Mixed | 20 May 2022 | |||
| Jack Nielsen | Director | Mixed | 14 Jun 2023 | |||
| Zachary Roberts | Chief Medical Officer | Mixed | 04 Mar 2022 | |||
| Bronson Crouch | CEO and Chairman, Director, 10%+ Owner | Mixed | 25 Apr 2025 | |||
| Sumita Ray | Chief Legal and Admin Officer | Mixed | 08 Jan 2023 | |||
| Timothy L. Moore | Chief Operating Officer | Mixed | 06 Sep 2022 | |||
| Neil W. Gibson | Director | Mixed | 28 May 2025 |
Top shareholders of Instil Bio, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Curative Ventures V LLC |
13F
|
Company |
28%
|
1,899,004
|
$15,647,793 | — | 31 Mar 2026 | |
| Vivo Capital IX, LLC |
13D/G
|
— |
4.5%
|
292,743
|
$7,169,276 | $0 | 30 Jun 2025 | |
| BML Capital Management, LLC |
13F
|
Company |
9.9%
|
645,600
|
$5,319,744 | — | 31 Mar 2026 | |
| CPMG Inc |
13F
|
Company |
6.3%
|
410,922
|
$3,385,997 | — | 31 Mar 2026 | |
| Vivo Capital, LLC |
13F
|
Company |
4.5%
|
292,743
|
$2,412,202 | — | 31 Mar 2026 | |
| Kalehua Capital Management LLC |
13F
|
Company |
2.8%
|
183,030
|
$1,508,167 | — | 31 Mar 2026 | |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
|
Company |
2.7%
|
174,583
|
$1,438,564 | — | 31 Mar 2026 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
2%
|
132,946
|
$1,095,475 | — | 31 Mar 2026 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.91%
|
59,100
|
$486,984 | — | 31 Mar 2026 | |
| BlackRock, Inc. |
13F
|
Company |
0.8%
|
52,018
|
$428,628 | — | 31 Mar 2026 | |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. |
13F
|
Company |
0.77%
|
50,000
|
$412,000 | — | 31 Mar 2026 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.75%
|
49,011
|
$403,995 | — | 31 Mar 2026 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.59%
|
38,562
|
$317,751 | — | 31 Mar 2026 | |
| LPL Financial LLC |
13F
|
Company |
0.49%
|
32,063
|
$264,199 | — | 31 Mar 2026 | |
| XTX Topco Ltd |
13F
|
Company |
0.4%
|
26,242
|
$216,234 | — | 31 Mar 2026 | |
| VANGUARD FIDUCIARY TRUST CO |
13F
|
Company |
0.35%
|
22,625
|
$186,430 | — | 31 Mar 2026 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.31%
|
19,975
|
$164,470 | — | 31 Mar 2026 | |
| MORGAN STANLEY |
13F
|
Company |
0.3%
|
19,821
|
$163,325 | — | 31 Mar 2026 | |
| STATE STREET CORP |
13F
|
Company |
0.27%
|
17,595
|
$144,983 | — | 31 Mar 2026 | |
| Americana Partners, LLC |
13F
|
Company |
0.25%
|
16,176
|
$133,290 | — | 31 Mar 2026 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.18%
|
11,517
|
$94,901 | — | 31 Mar 2026 | |
| PRELUDE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.16%
|
10,300
|
$84,872 | — | 31 Mar 2026 | |
| Vazirani Asset Management LLC |
13F
|
Company |
0.15%
|
10,000
|
$82,400 | — | 31 Mar 2026 | |
| FNY Investment Advisers, LLC |
13F
|
Company |
0.15%
|
10,000
|
$82,000 | — | 31 Mar 2026 | |
| UBS Group AG |
13F
|
Company |
0.1%
|
6,378
|
$52,554 | — | 31 Mar 2026 | |
| BARCLAYS PLC |
13F
|
Company |
0.06%
|
4,135
|
$34,072 | — | 31 Mar 2026 | |
| Vanguard Global Advisers, LLC |
13F
|
Company |
0.02%
|
1,470
|
$12,113 | — | 31 Mar 2026 | |
| Na Bokf |
13F
|
Individual |
0.01%
|
454
|
$3,741 | — | 31 Mar 2026 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0%
|
84
|
$1,000 | — | 31 Mar 2026 | |
| RHUMBLINE ADVISERS |
13F
|
Company |
0%
|
114
|
$939 | — | 31 Mar 2026 | |
| Farther Finance Advisors, LLC |
13F
|
Company |
0%
|
70
|
$562 | — | 31 Mar 2026 | |
| Fortitude Family Office, LLC |
13F
|
Company |
0%
|
64
|
$527 | — | 31 Mar 2026 | |
| BNP PARIBAS FINANCIAL MARKETS |
13F
|
Company |
0%
|
7
|
$58 | — | 31 Mar 2026 | |
| Timothy L. Moore |
3/4/5
|
Chief Operating Officer |
—
class O/S missing
|
750,000
|
— | — | 06 Sep 2022 | |
| BML Investment Partners, L.P. |
13D/G
|
— |
9.5%
|
645,600
|
— | +$2,261,600 | 31 Dec 2025 | |
| Zachary Roberts |
3/4/5
|
Chief Medical Officer |
—
class O/S missing
|
245,000
|
— | — | 04 Mar 2022 | |
| Vijay Chiruvolu |
3/4/5
|
Chief Technical Officer |
—
class O/S missing
|
154,237
|
— | — | 20 May 2022 | |
| Bronson Crouch |
3/4/5
|
CEO and Chairman, Director, 10%+ Owner |
—
class O/S missing
|
105,157
|
— | — | 25 Apr 2025 | |
| Sumita Ray |
3/4/5
|
Chief Legal and Admin Officer |
—
class O/S missing
|
50,000
|
— | — | 08 Jan 2023 | |
| Sandeep Laumas |
3/4/5
|
CFO and CBO |
—
class O/S missing
|
30,000
|
— | -$701,667 | 10 Sep 2025 | |
| George Matcham |
3/4/5
|
Director |
—
class O/S missing
|
6,500
|
— | — | 28 May 2025 | |
| Gwendolyn Binder |
3/4/5
|
Director |
—
class O/S missing
|
6,500
|
— | — | 28 May 2025 | |
| Neil W. Gibson |
3/4/5
|
Director |
—
class O/S missing
|
6,500
|
— | — | 28 May 2025 | |
| R. Kent Jr. McGaughy |
3/4/5
|
Director |
—
class O/S missing
|
6,500
|
— | — | 28 May 2025 | |
| Jack Nielsen |
3/4/5
|
Director |
—
class O/S missing
|
1,500
|
— | — | 14 Jun 2023 |
Recent Insider Transactions by Companies or Individuals for Instil Bio, Inc.
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Sandeep Laumas | TIL | Common Stock | Sale | -100% | $701,667 | $23.39 | -30,000 | 0 | 10 Sep 2025 | Direct |
| Sandeep Laumas | TIL | Common Stock | Options Exercise | 30,000 | 30,000 | 10 Sep 2025 | Direct | |||
| Sandeep Laumas | TIL | Employee Stock Option (right to buy) | Options Exercise | -63.8% | -30,000 | 17,000 | 10 Sep 2025 | Direct | ||
| Gwendolyn Binder | TIL | Stock Option (Right to Buy) | Award | 6,500 | 6,500 | 28 May 2025 | Direct | |||
| Neil W. Gibson | TIL | Stock Option (Right to Buy) | Award | 6,500 | 6,500 | 28 May 2025 | Direct | |||
| George Matcham | TIL | Stock Option (Right to Buy) | Award | 6,500 | 6,500 | 28 May 2025 | Direct | |||
| R. Kent Jr. McGaughy | TIL | Stock Option (Right to Buy) | Award | 6,500 | 6,500 | 28 May 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.