INSM INSMED Inc
MIXED
Impact: 6/10
ANALYST-UPGRADE
William Blair initiates coverage on INSM at Outperform
Latest settled — T+20d ⚠ clustered
INSM ▼ -17.37% at T+20d
NEUTRAL call ✗ call lost -17.37% · α vs SPY -23.18% · entry $142.79 → $117.99
Currently $107.29 · -24.86% from $142.79 entry
T+1d
+1.18%
call +1.18% · α -0.03%
$144.48
settled 5w ago
T+5d
+0.73%
call +0.73% · α -0.26%
$143.83
settled 29d ago
T+20d
-17.37%
call -17.37% · α -23.18%
$117.99
settled 8d ago
T+60d
—
call — · α —
—
in 7w
Price Chart
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Executive Summary
William Blair initiates coverage on INSM with an Outperform rating, adding to recent momentum that includes Morgan Stanley's upgrade and a 19-analyst consensus target of $214.79, implying 34% upside. Firm's historical accuracy is modest at 50.5% (138/273 calls correct), with average return of 4.2%. Multiple insider sales noted, including >$2.9M sale on March 30, signaling potential divergence between analyst sentiment and insider behavior.
Recent Analyst Activity
| Date | Firm | Action | Rating | Price Target |
|---|---|---|---|---|
| 2026-04-14 | RBC Capital | maintain | Outperform | $216.00 |
| 2026-04-01 | Barclays | maintain | Overweight | — |
| 2026-03-30 | Morgan Stanley | upgrade | Overweight | — |
| 2026-03-26 | HC Wainwright & Co. | maintain | Buy | — |
| 2026-03-25 | Mizuho | maintain | Outperform | — |
Documents Analyzed
Report based on filing metadata.
17 reports for INSM
100%
Hit rate
best @ T+20▲ +12.95%
Filters
Rows
| Type | Now | ||||
|---|---|---|---|---|---|
|
May 16, 2026
5d ago
|
ANALYST-UPGRADE
| $154.84 awaiting T+5 | awaiting T+5 | — | $107.29 (−30.71%) |
|
May 15, 2026
6d ago
|
S-3ASR
| $109.21 awaiting T+5 | awaiting T+5 | — | $107.29 (−1.76%) |
|
May 15, 2026
6d ago
|
Insider Cluster
| — | awaiting T+5 | — | — |
|
May 13, 2026
8d ago
|
144
| — | awaiting T+5 | — | — |
|
May 7, 2026
15d ago
|
8-K
| $105.00 $117.99 | ▲ +12.37% | ▲ +10.87% | $107.29 (+2.18%) |
|
May 4, 2026
18d ago
|
Insider Cluster
| $140.01 $103.89 | ▼ −25.80% | ▼ −28.73% | $107.29 (−23.37%) |
|
Apr 16, 2026
5w ago
|
ANALYST-UPGRADE
| $142.79 $143.83 | ▲ +0.73% | ▼ −0.26% | $107.29 (−24.86%) |
|
Apr 16, 2026
5w ago
|
ANALYST-UPGRADE
| $142.79 $143.83 | ▲ +0.73% | ▼ −0.26% | $107.29 (−24.86%) |
|
Apr 16, 2026
5w ago
|
ANALYST-UPGRADE
| $142.79 $143.83 | ▲ +0.73% | ▼ −0.26% | $107.29 (−24.86%) |
|
Apr 16, 2026
5w ago
|
ANALYST-UPGRADE
| $142.79 $143.83 | ▲ +0.73% | ▼ −0.26% | $107.29 (−24.86%) |
Showing 10 of 17
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