ALT
Altimmune, Inc. · $2.84 (-4.7%) · mkt cap $552.3M

4 hub catalysts across 2 sources · backtest → · ← Ticker Explorer

FINRA Short VolumeSEC EDGAR Filings

Signal summary

Signals diverge

Bullish and bearish forces are in conflict here — weigh both columns.

57 conviction from hub signals
Bullish factors
  • Insiders net buying (12 vs 1)
Bearish factors
  • 1 analyst downgrade

Context (not directional): Short volume 1% of float-traded

Signal mix for ALT

Which data feeds have fired on this name — hover a slice for counts.

Best strategy

2-yr backtest · by Sharpe

RSI Mean-Reversion has fit ALT best over 2 years (+1101.7%, Sharpe 2.00). Historical/in-sample — walk-forward all 19 →

#StrategyReturnSharpeBeats B&H
1RSI Mean-Reversion+1101.7%2.00
2Bollinger Bands+143.5%0.98
3Stochastic Oscillator+79.9%0.75

Price — 1 year

daily close
$6.18$2.59$2.84 (-21.3% 1Y)

Insider activity

12 open-market buys

Officers & directors trading their own stock (SEC Form 4). Buys are bullish; sells shown for context.

DateActionInsiderSharesValue
2026-04-06BUYGill John M9,200$31K
2026-04-01BUYDurso Jerome Benedict15,000$47K
2026-04-01BUYWeaver Gregory L10,000$31K
2026-03-06BUYDurso Jerome Benedict20,000$71K
2026-03-06BUYWeaver Gregory L5,000$18K
2026-01-08BUYPisano Wayne5,000$20K
2026-01-05BUYSohn Catherine A500$2K
2025-12-29BUYJorkasky Diane K527$2K
2025-12-23BUYGill John M12,500$51K
2025-12-22BUYDurso Jerome Benedict12,500$52K
2025-03-17BUYSohn Catherine A1,000$6K
2025-03-13BUYWeaver Gregory L10,000$52K
2024-08-19SELLDrutz David J16,011$111K

Analyst ratings

live · 5 changes
DateActionAnalystRating Change
2026-06-22InitiatedLeerink PartnersOutperform
2025-02-28InitiatedWilliam BlairMarket Perform
2025-01-08InitiatedStifelBuy
2024-11-12InitiatedUBSBuy
2024-04-29DowngradeGuggenheimBuy → Neutral

Catalyst timeline

4 hub signals
DateSourceEventEntityValue
2026-07-28SEC EDGAR Filings8-K EventAltimmune, Inc.source ↗
2026-07-28FINRA Short VolumeShort VolALT70% shortsource ↗
2026-07-01FINRA Short VolumeShort VolALT57% shortsource ↗
2026-06-16SEC EDGAR Filings8-K EventAltimmune, Inc.source ↗
Alt-Data Signal Hub · collected signals updated 2026-07-29 09:16 UTC (refreshed daily) · market & option prices are always live on load · display-only, not advice

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