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144 ·Filed Oct 8, 2026

JAZZ

Jazz Pharmaceuticals plc
NEUTRAL
Impact 2/10
Horizondays Processed17d 18h ago SEC0001950047-26-010116
Form 144 — notice of proposed sale of securities
Actionable Insight • Neutral

Monitor for Form 4 filings to confirm whether the sale was executed. A director's routine option exercise and sale is not a red flag; no further action warranted unless followed by a cluster of insider sales.

DirectionNeutral
Confidencehigh
Horizondays
Latest settled — T+5d ⚠ clustered
JAZZ ▼ -3.75% at T+5d
NEUTRAL call -3.75% · α vs SPY -1.78% · entry $218.42 → $210.23
Next anchor: T+20d in 10d
Latest observation: T+10 -0.20% FF3 residual α
Entry = T+0 close
Oct 8, 2026
via day close
T+1d
-0.76%
call -0.76% · α -0.70%
$216.75
settled 17d ago
T+5d
-3.75%
call -3.75% · α -1.78%
$210.23
settled 11d ago
T+20d
Pending
in 10d
T+60d
Pending
in 2mo

Price Chart

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Executive Summary

Director Anne O'Riordan filed a Form 144 notice of intent to sell 14,687 shares of Jazz Pharmaceuticals common stock, with an estimated aggregate market value of approximately $3.36 million. The shares are to be sold through Morgan Stanley Smith Barney and were acquired via stock option exercise on the same day. This is a routine insider sale by a non-executive director, representing a modest portion of her holdings, and is not indicative of operational concerns.

Key Facts

  • Director Anne O'Riordan filed Form 144 on 2026-10-08 to sell 14,687 shares.
  • Estimated aggregate market value of the proposed sale is $3,356,713.85.
  • Shares were acquired via stock option exercise on the same date (2026-10-08).
  • Broker: Morgan Stanley Smith Barney LLC Executive Financial Services.
  • The sale is a routine diversification move by a director, not an executive officer.

Financial Impact

Proposed sale of 14,687 shares valued at approximately $3.36 million, representing a small fraction of the issuer's market cap (not specified but likely <0.1%).

dilution

Risk Factors

  • Insider sale could signal personal liquidity needs rather than company outlook, but the small size relative to market cap limits concern.
  • If additional insiders file similar 144s in the coming weeks, it could indicate broader insider sentiment shift.

Investment Themes

Biotech & Drug Discovery

Documents Analyzed

This report is based on 3 SEC documents filed with EDGAR.

DocumentAccession Number
144 Filing (Primary)0001950047-26-010116
Document: 0001950047-26-010116-index.html0001950047-26-010116
Document: 0001950047-26-010116.txt0001950047-26-010116
28 reports for JAZZ
Performance horizon
60% Hit rate @ T+1 3 of 5 directional calls Went positive at some point 4 of 5 best @ T+60▲ +22.04%Feb 24, 2026
Filters
Rows
Reports for JAZZ — sortable, filterable
TypeNow
Oct 19, 2026
6d ago
Press Release
NEUTRAL ★ 1/10
$213.76 $211.97▼ −0.84%▼ −1.36%$210.99 (−1.30%)
Oct 9, 2026
17d ago
8-K
NEUTRAL ★ 2/10
$218.42 $216.75▼ −0.76%▼ −0.70%$210.99 (−3.40%)
Oct 8, 2026
17d ago
144
NEUTRAL ★ 2/10
$218.42 $216.75▼ −0.76%▼ −0.70%$210.99 (−3.40%)
Oct 6, 2026
19d ago
144
NEUTRAL ★ 2/10
$231.19 $222.45▼ −3.78%▼ −3.36%$210.99 (−8.74%)
Oct 1, 2026
24d ago
144
NEUTRAL ★ 2/10
$235.67 $236.04▲ +0.16%▼ −0.52%$210.99 (−10.47%)
Sep 15, 2026
5w ago
8-K
BULLISH ★ 6/10
$240.83 $243.59▲ +1.15%▲ +1.59%$210.99 (−12.39%)
Sep 14, 2026
5w ago
Insider Cluster
NEUTRAL ★ 3/10
$240.83 $243.59▲ +1.15%▲ +1.59%$210.99 (−12.39%)
Sep 10, 2026
6w ago
Insider Cluster
NEUTRAL ★ 2/10
$245.80 $245.87▲ +0.03%▲ +0.47%$210.99 (−14.16%)
Sep 2, 2026
7w ago
Insider Cluster
BEARISH ★ 4/10
$247.57 $246.81▲ +0.30%▼ −0.08%$210.99 (+14.78%)
Aug 31, 2026
7w ago
144
NEUTRAL ★ 2/10
$243.71 $245.57▲ +0.76%▲ +0.32%$210.99 (−13.43%)
Showing 10 of 28

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Report published Oct 8, 2026