Insider Cluster (3 insiders) ·Filed Jun 15, 2026

LYEL

Lyell Immunopharma, Inc.
NEUTRAL
Impact 2/10
Horizonweeks Processed3mo ago
Insider cluster: 3 insiders, $0.0M total
Actionable Insight • Neutral

Insider selling is negligible and does not indicate a coordinated bearish view. Director grants are standard compensation. Monitor upcoming clinical catalysts (pipeline updates) for fundamental direction; insider activity provides no actionable signal.

DirectionNeutral
Confidencehigh
Horizonweeks
Final — all horizons settled through T+60d
LYEL ▼ -1.93% at T+60d
NEUTRAL call ✗ call lost -1.93% · α vs SPY -2.93% · entry $12.44 → $12.20
Entry anchored
Jun 15, 03:59 PM ET
via exchange tick
T+1d
+0.64%
call +0.64% · α +1.89%
$12.52
settled 4mo ago
T+5d
+1.53%
call +1.53% · α +3.76%
$12.63
settled 3mo ago
T+20d
+7.72%
call +7.72% · α +7.52%
$13.40
settled 3mo ago
T+60d
-1.93%
call -1.93% · α -2.93%
$12.20
settled 22d ago

Price Chart

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Executive Summary

Lyell Immunopharma insiders executed negligible open-market sales totaling $8K (0.003% of market cap) in early May 2026, alongside routine director stock grants. A separate June 2026 cluster shows a CMO sale of $25K and additional director grants, but combined insider activity remains immaterial relative to the $315M market cap. No bearish signal from insider trading.

Key Financial Metrics

Direction
selling
Total Value
$8.0K
Insiders
3

Key Facts

  • Three insiders (COO, CSO, VP Controller) sold a total of 436 shares for $8K on May 11, 2026.
  • Seven directors received non-cash grants of 9,250 shares each on June 10, 2026 (total $0).
  • CMO Shook David sold 1,977 shares for $25K on June 10, 2026.
  • Total open-market sales across both clusters: $33K, representing ~0.01% of market cap.
  • All sales are routine in size and likely tax-related or diversification trades.

Financial Impact

Total open-market insider sales of approximately $33K, representing 0.01% of Lyell's $315M market cap.

insider sellingdilution from grants

Risk Factors

  • No material insider risk from these trades.
  • Primary risk remains Lyell's pre-revenue status and cash burn rate.

Market Snapshot

Exchange
Nasdaq
Sector
Pharmaceutical Preparations
Analyst Consensus
83% bullish (12 analysts)

Investment Themes

Biotech & Drug Discovery

Documents Analyzed

This report is based on 1 SEC document filed with EDGAR.

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-LYEL-1781562965891
13 reports for LYEL
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for LYEL — sortable, filterable
TypeNow
Aug 25, 2026
5w ago
Insider Cluster
NEUTRAL ★ 4/10
$15.49 $10.53▼ −32.02%▼ −33.00%$9.42 (−39.19%)
Jul 22, 2026
10w ago
EFFECT
NEUTRAL ★ 4/10
$12.84 $15.76▲ +22.74%▲ +19.84%$9.42 (−26.64%)
Jun 15, 2026
15w ago
Insider Cluster
NEUTRAL ★ 2/10
$12.44 $13.40▲ +7.72%▲ +7.52%$9.42 (−24.28%)
Jun 12, 2026
16w ago
Press Release
NEUTRAL ★ 4/10
$13.50 $15.01▲ +11.19%▲ +9.41%$9.42 (−30.22%)
Jun 8, 2026
16w ago
Press Release
BULLISH ★ 7/10
$12.31 $14.04▲ +14.05%▲ +12.42%$9.42 (−23.48%)
Jun 4, 2026
17w ago
Press Release
NEUTRAL ★ 3/10
$11.97 $14.04▲ +17.29%▲ +15.43%$9.42 (−21.30%)
Apr 24, 2026
22w ago
DEFA14A
NEUTRAL ★ 3/10
$22.62 $16.37▼ −27.63%▼ −32.59%$9.42 (−58.36%)
Apr 15, 2026
24w ago
EFFECT
NEUTRAL ★ 2/10
$23.84 $19.25▼ −19.25%▼ −25.30%$9.42 (−60.49%)
Apr 3, 2026
25w ago
S-3
NEUTRAL ★ 2/10
$21.69 $20.72▼ −4.47%▼ −13.45%$9.42 (−56.57%)
Mar 12, 2026
29w ago
Press Release
MIXED ★ 6/10
$21.25 $24.80▲ +16.71%▲ +13.12%$9.42 (−55.67%)
Showing 10 of 13

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Report published Jun 15, 2026