$311.81+0.84% vs prior closeFinazon · prior-day close, indicative (IEX-derived, not the official close) · Sep 17, 2026
Price · Chart
25 sessions
$340$30013 Aug17 Sep
The line runs $309.92 on 13 August through $311.81 on 17 September, on a scale from $300 to $340. Days the market did not trade hold the previous close, flat.
SEC Form 4 · last 90 days · newest reported trade 14 Oct 2026
Open-market buys0
Open-market sells5
Net sold$876K
Non-trade filings5
DateInsiderTypeSharesValue
14 Oct 2026Morris Milton MayoDirectorSell255$83K
15 Sep 2026Rutledge Joseph MVP, CAOSell684$212K
02 Sep 2026Morris Milton MayoDirectorSell156$49K
27 Aug 2026MCDONOUGH JENNIFER LEVP, GC, and SecretarySell260$87K
26 Aug 2026Hopgood Daniel RoyEVP, CFOSell1,329$444K
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
01 Sep 2026Hall Justin EEVPTax withheld118$37K
26 Aug 2026Hopgood Daniel RoyEVP, CFOOption exercise1,329$279K
31 Jul 2026DeFord John ADirectorAward84$25K
31 Jul 2026MAPES CHRISTOPHER LDirectorAward42$13K
31 Jul 2026Rutledge Joseph MVP, CAOTax withheld274$82K
8 of the 45 institutional funds we track reported a NDSN position for the quarter ended 30 Jun 2026 — a combined $224.3M; the latest of those filings landed 02 Sep 2026.