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Equity · Healthcare

ALT

Altimmune, Inc. · NasdaqGM

$3.34 −0.45% 1D Finazon · prior-day close · Sep 9, 2026

Reddit mentioned ALT 7 times in the 30 days to 10 September 2026, across 3 of the communities we track. All of them were scored for sentiment: 86% read bullish, 0% bearish and 14% neither. Reddit data updated 10 September 2026.

Price · Chart
Our own end-of-day closes 61 sessions
$3.50 $2.50 12 Jun 9 Sep

The line runs $2.60 on 12 June through $3.34 on 9 September, on a scale from $2.50 to $3.50. Days the market did not trade hold the previous close, flat.

Track this symbol on TradingView

The chart above plots the price of ALT over the range selected — one day to the full history — drawn by TradingView from their own data. Our own licensed end-of-day series holds 61 sessions over that window: $2.60 on 12 June 2026 through $3.34 on 9 September 2026.

Market cap $649.7M
52-week range $2.58 – $6
Avg volume 625.3K
Mentions · 30d 7
Net sentiment +0.12

Finazon · prior-day close · valuation computed from SEC EDGAR filings · as of Sep 10, 2026

ALT · crowd attention × price

Share ↗
Post on X Share on Reddit Share on LinkedIn
7 mentions

Day7 Sep 2026

MENTIONS10–4 / day
PRICE$3.41 · closedMARKET CLOSED · heldSource: Finazon
ALT over the last 30 days, plotting daily Reddit mentions as bars, left-hand scale; the daily closing price as a line on its own right-hand scale, solid across consecutive trading days, held flat and diagonally hatched over days the market was closed, diagonally hatched over days we hold no close for.per day01234usd$2.8$3.0$3.2$3.4$3.612 Aug19 Aug27 Aug3 Sep10 Sep
ALT over the last 30 days, plotting daily Reddit mentions as bars, left-hand scale; the daily closing price as a line on its own right-hand scale, solid across consecutive trading days, held flat and diagonally hatched over days the market was closed, diagonally hatched over days we hold no close for.12 Aug27 Aug10 Sep
The Distributed Sentinel 10 Sep 2026

ALT drew 7 Reddit mentions over the 30 days to 10 September 2026

This chart in words

The chart plots daily Reddit mentions of ALT over the 30 days to 10 September 2026: 7 in total, busiest on 17 August with 3, and 1 on the last day counted. The line is the daily close over the same window: $2.92 on 12 August, $3.34 on 9 September. Of those days, 20 were trading sessions and the other 10 are hatched on the chart. On 9 of them no session took place, and the last close before it is carried forward rather than plotted; on 1 of them we hold no close at all, which is a gap in our own record rather than a closure we can prove.

Finazon · prior-day close, some closes dollar-rounded at the source

Crowd sentiment on ALT · 30d

n = 7 scored · Method
ALT

86% bullish

Overall market sentiment

56% bullish

ALT reads 30 points more bullish than overall market sentiment. Same measure; same 30-day window.

Where ALT is discussed

(30d)
r/cryptocurrency 43% 3 +0.18
r/wallstreetbets 29% 2 +0.05
r/etfs 29% 2 +0.10

ALT insider trades

SEC Form 4 · last 90 days · newest reported trade 13 Aug 2026
Open-market buys 1
Open-market sells 0
Net bought $44K
Non-trade filings 2
Date Insider Type Shares Value
13 Aug 2026 Durso Jerome Benedict President and CEO Buy 15,000 $44K

Compensation mechanics Share grants, option exercises, tax withholding and transfers. They reach the same Form 4 as a trade, but they are not the insider buying or selling on the open market, so no purchase or sale value applies to them.

Date Insider Type Shares Value
31 Jul 2026 WEAVER GREGORY L Chief Financial Officer Award 1,753 $4K
31 Jul 2026 Roberts M Scot Chief Scientific Officer Award 875 $2K

ALT reported financials

SEC EDGAR XBRL

ALT reported revenue of $41K for the fiscal year ended 31 Dec 2025. Net income over the same period was −$88.1M.

Figure Reported Period
Revenue $41K 31 Dec 2025 fiscal year
Net income −$88.1M 31 Dec 2025 fiscal year
Diluted EPS −$1.00 31 Dec 2025 fiscal year
Total assets $527.2M 30 Jun 2026 at period end
Total equity $474.2M 30 Jun 2026 at period end

Source: SEC EDGAR XBRL company facts · latest period ended 30 Jun 2026

ALT earnings

SEC EDGAR
Date Period EPS Revenue
30 Jun 2026 Q2 2026 $-0.12 —
31 Mar 2026 Q1 2026 $-0.18 —
31 Dec 2025 FY 2025 $-1.00 $0M
30 Sep 2025 Q3 2025 $-0.21 $0M
30 Jun 2025 Q2 2025 $-0.27 $0M
31 Mar 2025 Q1 2025 $-0.26 $0M
31 Dec 2024 FY 2024 $-1.34 $0M
30 Sep 2024 Q3 2024 $-0.32 $0M

Next report no date announced in SEC filings yet

Reported figures & scheduled dates · SEC EDGAR filings

ALT institutional holders

SEC Form 13F

10 of the 45 institutional funds we track reported a ALT position for the quarter ended 30 Jun 2026 — a combined $68.0M; the latest of those filings landed 02 Sep 2026.

Fund Action Shares Value
Marshall Wace Added +70.3% shares 6,841,055 $20.8M
Viking Global Investors New position 6,700,000 $20.4M
Millennium Management Held (±25%) +1.6% shares 3,309,122 $10.1M
Two Sigma Investments Held (±25%) −3.9% shares 2,381,142 $7.2M
AQR Capital Management Added +1,328.8% shares 1,220,949 $3.7M
Citadel Advisors Added +119.1% shares 983,559 $3.0M
Point72 Asset Management Trimmed −26.8% shares 486,884 $1.5M
D. E. Shaw & Co. Trimmed −72.3% shares 201,638 $613K
Man Group Added +33.9% shares 173,872 $529K
Renaissance Technologies New position 71,600 $218K

Source: SEC EDGAR 13F filings

ALT fails-to-deliver

SEC CNS data

On 12 Aug 2026, 10,537 shares of ALT failed to deliver (about $32K).

Settlement date Shares failed Notional % of shares out
12 Aug 2026 10,537 $32K 0.005%
06 Aug 2026 6,228 $19K 0.003%
04 Aug 2026 17,013 $51K 0.009%
03 Aug 2026 19,165 $54K 0.010%
31 Jul 2026 2,773 $8K 0.001%

Source: SEC fails-to-deliver (CNS) data

ALT — frequently asked questions

From live data

How often is ALT mentioned on Reddit?

ALT was mentioned 1 times in the last 7 days across the finance subreddits we track, and 7 times over the trailing 30 days.

Is Reddit bullish or bearish on ALT?

Across 7 classified ALT mentions in the last 30 days, 86% read bullish, 0% bearish and 14% neutral. Crowd sentiment is a social signal, not investment advice.

When did ALT last report earnings?

Altimmune (ALT) last reported earnings on 30 Jun 2026 for Q2 2026, per SEC filings.

Are ALT insiders buying or selling?

SEC Form 4 filings over the last 90 days show 1 buy and 0 sells by ALT insiders on the open market. A further 2 filings were grants, awards, gifts or exercises rather than open-market trades.

What exchange is ALT listed on?

Altimmune trades on NASDAQ under the ticker ALT.

Answers are generated from the live figures on this page — Reddit crowd data, SEC filings and open company records — and update as the data does.