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Insider Cluster (2 insiders) ·Filed Apr 1, 2026

ALT

Altimmune, Inc.
NEUTRAL
Impact 4/10
Horizondays Processed6mo ago
Insider cluster: 2 insiders, $79K total
Actionable Insight • Neutral

The buying by both the CEO and CFO is a mildly positive signal, but the dollar amount is too small to indicate strong conviction or imminent catalyst. Traders should watch for larger purchases or upcoming clinical/data readouts that could justify increased confidence.

DirectionNeutral
Confidencehigh
Horizondays
Final — all horizons settled through T+60d ⚠ clustered
ALT ▼ -8.98% at T+60d
NEUTRAL call -8.98% · α vs SPY -22.85% · entry $3.34 → $3.04
Entry = T+0 close
Apr 1, 2026
via day close
T+1d
-0.30%
call -0.30% · α -0.77%
$3.33
settled 7mo ago
T+5d
-2.99%
call -2.99% · α -6.60%
$3.24
settled 7mo ago
T+20d
-15.57%
call -15.57% · α -25.45%
$2.82
settled 6mo ago
T+60d
-8.98%
call -8.98% · α -22.85%
$3.04
settled 4mo ago

Price Chart

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Executive Summary

Two top executives at Altimmune — the CEO and CFO — collectively purchased $79K worth of stock in early April 2026, signaling confidence in the company during a period of low insider activity. The purchases were modest in dollar value and represent a small fraction of the company's $401M market cap.

Key Financial Metrics

Direction
buying
Total Value
$78.6K
Insiders
2

Key Facts

  • CEO Jerome Benedict purchased 15,000 shares for $47,100 on April 1, 2026.
  • CFO Gregory Weaver purchased 10,000 shares for $31,499 on April 1, 2026.
  • Total open-market purchases amounted to $78,599 across two C-suite executives.
  • No non-cash or derivative transactions were involved — all were direct buys.
  • This marks a continuation of minor insider buying, with $167K in total buys over the past 30 days.

Financial Impact

$79K in open-market purchases, representing 0.02% of Altimmune's $401M market cap

insider ownershipmarket sentiment

Risk Factors

  • The transaction size is below 0.1% of market cap, limiting its significance.
  • No accompanying commentary or financial updates were released with the trades.

Market Snapshot

Exchange
Nasdaq
Sector
Pharmaceutical Preparations

Investment Themes

Biotech & Drug Discovery

Documents Analyzed

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

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-ALT-1775073960911
22 reports for ALT
Performance horizon
71% Hit rate @ T+5 5 of 7 directional calls Went positive at some point 7 of 7 best @ T+5▲ +9.00%Apr 22, 2026
Filters
Rows
Reports for ALT — sortable, filterable
TypeNow
Sep 29, 2026
27d ago
8-K
NEUTRAL ★ 2/10
$2.97 $2.67▼ −10.10%▼ −12.05%$2.09 (−29.63%)
Aug 12, 2026
10w ago
8-K
NEUTRAL ★ 5/10
$2.93 $3.12▲ +6.48%▲ +6.93%$2.09 (−28.67%)
Aug 12, 2026
10w ago
Press Release
NEUTRAL ★ 5/10
$2.93 $3.12▲ +6.48%▲ +6.93%$2.09 (−28.67%)
Aug 6, 2026
11w ago
Institutional Cluster
NEUTRAL ★ 5/10
$3.01 $2.88▼ −4.32%▼ −5.53%$2.09 (−30.56%)
Aug 5, 2026
11w ago
Press Release
NEUTRAL ★ 1/10
$3.03 $2.93▼ −3.30%▼ −3.65%$2.09 (−31.02%)
Aug 3, 2026
12w ago
Press Release
BULLISH ★ 6/10
$3.00 $3.05▲ +1.67%▼ −0.36%$2.09 (−30.33%)
Jul 28, 2026
12w ago
8-K
BULLISH ★ 7/10
$2.99 $3.00▲ +0.33%▼ −1.93%$2.09 (−30.10%)
May 28, 2026
21w ago
Press Release
BULLISH ★ 7/10
$3.07 $2.87▼ −6.51%▼ −6.47%$2.09 (−31.92%)
May 27, 2026
21w ago
Press Release
NEUTRAL ★ 2/10
$2.98 $2.90▼ −2.68%▼ −3.89%$2.09 (−29.87%)
May 13, 2026
23w ago
8-K
NEUTRAL ★ 4/10
$3.02 $2.74▼ −9.27%▼ −8.11%$2.09 (−30.79%)
Showing 10 of 22

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Report published Apr 1, 2026