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LYEL

UNKNOWN

Lyell Immunopharma, Inc.

CIK: 0001806952

Buy (90% confidence)

Last activity: 4 weeks ago

Financial Metrics

As of Dec 31, 2025 (10-K)

Insider Roster (6 total, 6 active)

Insider Buys Sells Net Value Holdings
ARCH Venture Fund XIII, L.P.
TEN_PERCENT_OWNER
1 0 $12.50M
1,426,528 shares
$36.53M
ARCH Venture Partners IX, LLC
TEN_PERCENT_OWNER
1 0 $12.50M
1,426,528 shares
$36.53M
Seely Lynn
President and CEO
0 2 -$184K
74,266 shares
$1.74M
Bulis Veronica Sanchez
VP, Corporate Controller
0 3 -$80K
15,637 shares
$362K
Lee Gary K.
Chief Scientific Officer
0 2 -$42K
16,938 shares
$396K
Hill Stephen J.
Chief Operating Officer
0 2 -$31K
17,795 shares
$416K

Recent Transactions

BUY ARCH Venture Fund XIII, L.P. (TEN_PERCENT_OWNER)

488,090 shares @ $25.61

$12.50M

Mar 6, 2026

Conviction: | View SEC Filing →
BUY ARCH Venture Partners IX, LLC (TEN_PERCENT_OWNER)

488,090 shares @ $25.61

$12.50M

Mar 6, 2026

Conviction: | View SEC Filing →
SELL Seely Lynn (President and CEO)

7,455 shares @ $23.39

$174K

Feb 11, 2026

Conviction: | View SEC Filing →
SELL Lee Gary K. (Chief Scientific Officer)

1,671 shares @ $23.39

$39K

Feb 11, 2026

Conviction: | View SEC Filing →
SELL Hill Stephen J. (Chief Operating Officer)

1,236 shares @ $23.39

$29K

Feb 11, 2026

Conviction: | View SEC Filing →
SELL Seely Lynn (President and CEO)

438 shares @ $23.12

$10K

Feb 10, 2026

Conviction: | View SEC Filing →
SELL Bulis Veronica Sanchez (VP, Corporate Controller)

254 shares @ $23.12

$6K

Feb 10, 2026

Conviction: | View SEC Filing →
SELL Lee Gary K. (Chief Scientific Officer)

147 shares @ $23.12

$3K

Feb 10, 2026

Conviction: | View SEC Filing →
SELL Hill Stephen J. (Chief Operating Officer)

109 shares @ $23.12

$3K

Feb 10, 2026

Conviction: | View SEC Filing →
SELL Bulis Veronica Sanchez (VP, Corporate Controller)

936 shares @ $32.32

$30K

Dec 30, 2025

Conviction: | View SEC Filing →
SELL Bulis Veronica Sanchez (VP, Corporate Controller)

1,136 shares @ $38.67

$44K

Dec 24, 2025

Conviction: | View SEC Filing →

⚠️ Important Disclaimer

• This is AI-generated analysis for educational purposes only, not financial advice.

• Insider trading data is derived from SEC Form 4 filings and may contain errors.

• Always conduct your own research and consult qualified financial advisors before making investment decisions.