Insider Cluster (2 insiders) ·Filed May 21, 2026

NKTR

NEKTAR THERAPEUTICS
BEARISH
Impact 5/10
Horizonweeks Processed5mo ago
Insider cluster: 2 insiders, $42K total
Actionable Insight ▼ Bearish

The proximity of insider selling to a $150M ATM offering is a bearish signal. Insiders sold at $65.51, 23% below the offering reference price, suggesting they see further downside or want to lock in gains before dilution hits. Monitor for additional insider sales and the pace of ATM draws. The stock has already declined significantly since the offering announcement, and this cluster reinforces negative sentiment.

DirectionBearish
Confidencemedium
Horizonweeks
Final — all horizons settled through T+60d
NKTR ▲ +10.55% at T+60d
SHORT call ✗ call lost -10.55% · α vs SPY -7.36% · entry $66.61 → $73.64
Entry anchored
May 21, 2026
via day open
T+1d
-1.58%
call +1.58% · α +2.16%
$65.56
settled 5mo ago
T+5d
-4.13%
call +4.13% · α +5.79%
$63.86
settled 5mo ago
T+20d
-2.04%
call +2.04% · α +0.63%
$65.25
settled 4mo ago
T+60d
+10.55%
call -10.55% · α -7.36%
$73.64
settled 2mo ago

Price Chart

Loading chart...

Executive Summary

Two top executives at Nektar Therapeutics (CEO Howard Robin and Chief R&D Officer Jonathan Zalevsky) sold a combined $42K of stock on May 19, 2026, at $65.51 per share. This insider selling occurred just 13 days after the company filed a $150M at-the-market equity offering (424B5), representing ~6.5% dilution of the $2.3B market cap. The cluster is small in absolute dollar terms but gains significance from the proximity to a large capital raise, which insiders were likely aware of before the public filing.

Key Financial Metrics

Direction
selling
Total Value
$42.1K
Insiders
2

Key Facts

  • CEO Howard Robin sold 444 shares for $29K on May 19, 2026
  • Chief R&D Officer Jonathan Zalevsky sold 199 shares for $13K on May 19, 2026
  • Total insider sales: $42K, representing ~0.002% of $2.3B market cap
  • Sales occurred 13 days after Nektar filed a $150M at-the-market equity offering (424B5 on May 8, 2026)
  • The ATM offering could dilute existing shareholders by ~6.5% at current prices
  • Both insiders sold at $65.51, well below the $85.09 reference price in the May 8 prospectus supplement
  • Interim CFO Sandra Gardiner retired effective May 15, 2026, replaced by Linda Rubinstein

Financial Impact

Insider sales of $42K are trivial relative to $2.3B market cap, but the $150M ATM offering represents ~6.5% potential dilution. The stock has fallen ~23% from the $85.09 reference price to $65.51 since the offering was filed.

dilutioninsider_sellingcapital_raise

Risk Factors

  • Further dilution from the $150M ATM offering could pressure the stock
  • Insider selling by both CEO and Chief R&D Officer may signal lack of confidence in near-term prospects
  • Stock has fallen 23% since the ATM filing, indicating market concern about dilution and fundamentals
  • CFO transition adds execution risk during a capital raise period

Market Snapshot

Exchange
Nasdaq
Sector
Pharmaceutical Preparations
Analyst Consensus
88% bullish (16 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-NKTR-1779402446634
14 reports for NKTR
Performance horizon
100% Hit rate 4 of 4 directional calls best @ T+20▲ +28.57%May 8, 2026
Filters
Rows
Reports for NKTR — sortable, filterable
TypeNow
Aug 13, 2026
9w ago
Press Release
BULLISH ★ 7/10
$73.02 $68.50▼ −6.19%▼ −4.20%$35.78 (−51.00%)
Aug 9, 2026
10w ago
Institutional Cluster
BULLISH ★ 5/10
$74.86 $75.44▲ +0.77%▲ +1.69%$35.78 (−52.20%)
Aug 7, 2026
10w ago
Court Ruling
NEUTRAL ★ 4/10
$76.48 $74.19▼ −2.99%▼ −2.60%$35.78 (−53.22%)
Jul 28, 2026
11w ago
Press Release
NEUTRAL ★ 2/10
$70.68 $73.77▲ +4.37%▼ −0.65%$35.78 (−49.38%)
Jun 11, 2026
18w ago
Institutional Cluster
MIXED ★ 4/10
$59.21 $72.92▲ +23.15%▲ +21.26%$35.78 (−39.57%)
Jun 11, 2026
18w ago
Institutional Cluster
NEUTRAL ★ 3/10
$59.21 $72.92▲ +23.15%▲ +21.26%$35.78 (−39.57%)
May 21, 2026
21w ago
Insider Cluster
BEARISH ★ 5/10
$66.61 $65.25▲ +2.04%▲ +0.63%$35.78 (+46.28%)
May 8, 2026
23w ago
8-K
BEARISH ★ 5/10
$78.72 $56.23▲ +28.57%▲ +28.27%$35.78 (+54.55%)
May 7, 2026
23w ago
8-K
NEUTRAL ★ 4/10
$81.89 $57.32▼ −30.00%▼ −30.03%$35.78 (−56.31%)
Apr 24, 2026
25w ago
DEFA14A
NEUTRAL ★ 3/10
$86.74 $65.56▼ −24.42%▼ −29.37%$35.78 (−58.75%)
Showing 10 of 14

US Market Status

Market Closed — Opens in 31m

Subscribe to SecBot

Get Real-Time SEC Filing Intelligence

Comprehensive SEC filing analysis delivered the moment filings hit EDGAR. Sentiment scoring, impact analysis, and actionable insights for every material event.

Try SecBot Free Coming soon: SecBot Pro with alerts, watchlists, and API access
Report published May 21, 2026