Instil Bio, Inc.
Instil Bio, Inc. (TIL) Insider Trading
Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.
SEC EDGAR · FMP · TIL · as of Jun 9, 2026
Activity summary
Buy transactions
0
P-Purchase only
Sell transactions
2
12 Months
Buy/Sell ratio
0.00
Buy/Sell (by trades)
Overall sentiment
Instil Bio, Inc. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only
As of Jun 9, 2026
TIL insider buying and selling by quarter
TIL insider selling · TIL insider buying stocks · quarterly insider activity
Mobile shows last 4Q · Desktop shows full 8Q
▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters
As of Jun 9, 2026
Active insiders
Most active in past 12 months · TIL ceo insider trading
Showing all insiders · Click a card to filter the transactions table below
▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API
Recent insider transactions
TIL executive sell shares · TIL board member insider trading · TIL insider trading SEC filing
Scroll horizontally to see all columns
| Date | Insider | Type | Shares | Value | Filing |
|---|---|---|---|---|---|
| Sep 10, 2025 | Laumas Sandeep CFO and CBO | Option | 13,000 | $165K | Form 4 |
| Sep 10, 2025 | Laumas Sandeep CFO and CBO | Option | 17,000 | $197K | Form 4 |
| Sep 10, 2025 | Laumas Sandeep CFO and CBO | Sale | 17,539 | $404K | Form 4 |
| Sep 10, 2025 | Laumas Sandeep CFO and CBO | Sale | 12,461 | $298K | Form 4 |
| Mar 15, 2022 | McGaughy R Kent Jr Director | Other | 260,323 | — | Form 4 |
| Mar 23, 2021 | Vivo Capital IX, LLC 10 percent owner | Purchase | 300,000 | $6.00M⚡ | Form 4 |
| Mar 23, 2021 | Vivo Capital IX, LLC 10 percent owner | Other | 477,091 | — | Form 4 |
| Mar 23, 2021 | Vivo Capital IX, LLC 10 percent owner | Other | 11,709,696 | — | Form 4 |
| Mar 23, 2021 | Shah Nimish P Director | Purchase | 104,640 | $2.09M⚡ | Form 4 |
| Mar 23, 2021 | Shah Nimish P Director | Other | 430,431 | — | Form 4 |
| Mar 23, 2021 | Shah Nimish P Director | Other | 5,100,866 | — | Form 4 |
| Mar 23, 2021 | Shah Nimish P Director | Purchase | 116,880 | $2.34M⚡ | Form 4 |
| Mar 23, 2021 | Shah Nimish P Director | Purchase | 10,470 | $209K | Form 4 |
| Mar 23, 2021 | Shah Nimish P Director | Other | 43,033 | — | Form 4 |
| Mar 23, 2021 | Shah Nimish P Director | Other | 510,030 | — | Form 4 |
| Mar 23, 2021 | Shah Nimish P Director | Other | 480,716 | — | Form 4 |
| Mar 23, 2021 | Shah Nimish P Director | Purchase | 48,390 | $968K | Form 4 |
| Mar 23, 2021 | Shah Nimish P Director | Purchase | 19,620 | $392K | Form 4 |
| Mar 23, 2021 | Nielsen Jack Director | Purchase | 300,000 | $6.00M⚡ | Form 4 |
| Mar 23, 2021 | Nielsen Jack Director | Other | 477,091 | — | Form 4 |
| Mar 23, 2021 | Nielsen Jack Director | Other | 11,709,696 | — | Form 4 |
| Mar 23, 2021 | McGaughy R Kent Jr Director | Purchase | 450,000 | $9.00M⚡ | Form 4 |
| Mar 23, 2021 | McGaughy R Kent Jr Director | Other | 954,182 | — | Form 4 |
| Mar 23, 2021 | McGaughy R Kent Jr Director | Other | 7,074,608 | — | Form 4 |
| Mar 23, 2021 | Curative Ventures V LLC 10 percent owner | Purchase | 450,000 | $9.00M⚡ | Form 4 |
Vivo Capital IX, LLC
10 percent owner
Date
Mar 23
Shares
300,000
Price
$20.00
Value
$6.00M ⚡
Vivo Capital IX, LLC
10 percent owner
Date
Mar 23
Shares
11,709,696
Price
—
Value
—
McGaughy R Kent Jr
Director
Date
Mar 23
Shares
450,000
Price
$20.00
Value
$9.00M ⚡
Curative Ventures V LLC
10 percent owner
Date
Mar 23
Shares
450,000
Price
$20.00
Value
$9.00M ⚡
⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar
▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —
About TIL insider trading
TIL insider trades
Instil Bio, Inc. (TIL) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Laumas Sandeep (CFO and CBO). Over the past 12 months, 1 insiders have filed transactions with the SEC. TIL insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.
For Instil Bio, Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →
Frequently asked questions
TIL insider trading · 5 questionsThe insiders of Instil Bio, Inc. (TIL) include executives and directors such as Laumas Sandeep (CFO and CBO), among others. Over the past 12 months, 1 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.
▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 9, 2026