The chart above plots the price of ATRO 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 63 sessions over that window: $60.00 on 4 May 2026 through $68.80 on 30 July 2026. Finazon · prior-day close.
Market cap$2.6B
P/E (TTM)58.3
52-week range$25.00 – $87.10
Avg volume155.4K
Finazon · prior-day close · valuation computed from SEC EDGAR filings · as of Jul 31, 2026
ATRO insider trades
SEC Form 4 · last 90 days · newest reported trade 15 Jun 2026
Open-market buys0
Open-market sells0
Non-trade filings13
Showing the 12 most recent of 13 filings in this window. The figures above count all of them.
Compensation mechanics (12 filings)
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.
DateInsiderTypeSharesValue
15 Jun 2026BRADY ROBERT TDirectorOther53,085
15 Jun 2026Mulato JamesOther7,645
15 Jun 2026O'Brien LindaDirectorOther4,514
15 Jun 2026GUNDERMANN PETER JPRESIDENT/CEOOther168,375
15 Jun 2026FRISBY JEFFRY DDirectorOther9,411
15 Jun 2026West FayDirectorOther1,517
15 Jun 2026Hedges Nancy LPrincipal Accounting OfficerOther6,666
15 Jun 2026Davis Julie MSecretaryOther1,620
15 Jun 2026MORAN MARK JDirectorOther8,811
15 Jun 2026Keane Robert SDirectorOther85,802
15 Jun 2026JOHNSON WARREN CDirectorOther9,951
15 Jun 2026KIM NEIL Y.DirectorOther8,811
ATRO reported financials
SEC EDGAR XBRL
ATRO reported revenue of $862.1M for the fiscal year ended 31 Dec 2025. Net income over the same period was $29.4M.
FigureReportedPeriod
Revenue
$862.1M
31 Dec 2025 fiscal year
Net income
$29.4M
31 Dec 2025 fiscal year
Diluted EPS
$0.81
31 Dec 2025 fiscal year
Total assets
$747.1M
04 Apr 2026 at period end
Total equity
$161.7M
04 Apr 2026 at period end
Source: SEC EDGAR XBRL company facts · latest period ended 04 Apr 2026
ATRO earnings
SEC EDGAR
DatePeriodEPSRevenue
04 Apr 2026Q1 2026$0.67$231M
31 Dec 2025Q1 2026—$862M
27 Sep 2025Q3 2025$-0.31$211M
28 Jun 2025Q2 2025$0.04$205M
Reported figures & scheduled dates · SEC EDGAR filings
ATRO institutional holders
SEC Form 13F
12 of the 45 institutional funds we track reported a ATRO position for the quarter ended 31 Mar 2026 — a combined $191.8M; the latest of those filings landed 15 May 2026.