INSM CLUSTER SEC Filing Analysis

Latest settled — T+20d

INSM ▼ -24.27% at T+20d

NEUTRAL call ✗ call lost -24.27% · α vs SPY -29.91% · entry $140.01 → $106.03

Next anchor: T+60d in 6w

Currently $97.85 · -30.11% from $140.01 entry

Entry anchored
May 1, 03:59 PM ET
via Databento tick

T+1d

-0.41%

call -0.41% · α -1.20%

$139.44

settled 6w ago

T+5d

-25.80%

call -25.80% · α -28.73%

$103.89

settled 5w ago

T+20d

-24.27%

call -24.27% · α -29.91%

$106.03

settled 12d ago

T+60d

—

call — · α —

—

in 6w

Price Chart

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Executive Summary

Insmed's CEO and CMO sold a combined $1.27M in stock within a week of a strong Q1 2026 earnings beat (revenue up 230% YoY, EPS beat). The CMO's sale ($1.22M) is a cash-out following option exercises; the CEO's sale ($58K) is routine. At 0.005% of market cap, the total is trivial and likely liquidity-driven, not a bearish signal.

Key Financial Metrics

Direction

selling

Total Value

$1.3M

Insiders

2

Actionable Insight

The insider sales are too small to be informative. Focus on the strong Q1 earnings and BRINSUPRI launch trajectory as the primary catalysts. Monitor for any larger insider sales in the coming weeks that could signal a change in sentiment.

Key Facts

CEO William Lewis sold 433 shares for ~$58K on May 4, 2026.
CMO Martina Flammer sold 12,119 shares for ~$1.22M on May 11, 2026, following option exercises.
Total cluster value of $1.27M represents ~0.005% of INSM's $25.1B market cap.
Q1 2026 revenue of $306M (up 230% YoY) and EPS beat consensus; BRINSUPRI guidance reiterated at ≥$1B.
All cross-filing context pairs are AMPLIFIERS, but the dollar amount is too small to warrant escalation.

Financial Impact

Total insider sales of $1.27M, negligible relative to $25.1B market cap.

insider holdings

Risk Factors

Insider sales could accelerate if the stock continues to rally post-earnings.
Any negative news on BRINSUPRI reimbursement or competition could reverse recent gains.

Market Snapshot

Exchange

Nasdaq

Sector

Pharmaceutical Preparations

Analyst Consensus

96% bullish (28 analysts)

Documents Analyzed

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

Document	Accession Number
CLUSTER Data (Synthetic)	cluster-INSM-1778705432876

19 reports for INSM

T+1T+5T+20T+60

100% Hit rate 8 of 8 directional calls best @ T+20▲ +12.95%Apr 7, 2026

Filters

Reports for INSM — sortable, filterable
	Type				Now
Jun 5, 2026 7d ago	Insider Cluster NEUTRAL ★ 2/10	$94.15 awaiting T+5	awaiting T+5	—	$97.85 (+3.93%)
Jun 5, 2026 7d ago	Insider Cluster NEUTRAL ★ 2/10	$103.78 awaiting T+5	awaiting T+5	—	$97.85 (−5.71%)
May 16, 2026 27d ago	ANALYST-UPGRADE BULLISH ★ 5/10	$153.32 $163.03	▲ +6.33%	▲ +2.03%	$97.85 (−36.18%)
May 15, 2026 28d ago	S-3ASR NEUTRAL ★ 3/10	$107.15 $108.87	▲ +1.61%	▼ −0.01%	$97.85 (−8.68%)
May 15, 2026 28d ago	Insider Cluster NEUTRAL ★ 3/10	$107.15 $108.87	▲ +1.61%	▼ −0.01%	$97.85 (−8.68%)
May 13, 2026 4w ago	144 NEUTRAL ★ 2/10	$115.62 $109.53	▼ −5.27%	▼ −4.55%	$97.85 (−15.37%)
May 7, 2026 5w ago	8-K BULLISH ★ 6/10	$105.00 $117.99	▲ +12.37%	▲ +10.87%	$97.85 (−6.81%)
May 4, 2026 5w ago	Insider Cluster NEUTRAL ★ 3/10	$140.01 $103.89	▼ −25.80%	▼ −28.73%	$97.85 (−30.11%)
Apr 16, 2026 8w ago	ANALYST-UPGRADE MIXED ★ 5/10	$142.79 $143.83	▲ +0.73%	▼ −0.26%	$97.85 (−31.47%)
Apr 16, 2026 8w ago	ANALYST-UPGRADE MIXED ★ 6/10	$142.79 $143.83	▲ +0.73%	▼ −0.26%	$97.85 (−31.47%)

US Market Status

Market Closed — Opens Mon (49h 39m)

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