NPO — Enpro Inc.
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.
Performance
Technicals
Dividends
Measured signals that fired on NPO
| date | signal | measured base rate |
|---|---|---|
| 2026-08-19 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-07-02 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-06-26 | Volume shock without a price move price | -1.33% over 21 days · t = -4.53 · n = 16,432 statistically distinguishable from its control group |
| 2026-06-12 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
| 2026-06-11 | Bollinger bandwidth breaks out of its own compression structure | -0.63% over 21 days · t = -2.80 · n = 7,196 statistically distinguishable from its control group |
| 2026-06-03 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-03-02 | Bower Steven R. SVP, Controller and CAO | Open-market sale | 507 | 265.15 | 134.4K |
| 2026-03-02 | Bower Steven R. SVP, Controller and CAO | Option exercise | 1.6K | 53.78 | 83.4K |
| 2026-02-25 | Humphrey John Director | Open-market sale | 1.3K | 268.69 | 349.3K |
| 2026-02-24 | McLean Robert Savage EVP, GC, and CAO | Open-market sale | 2.0K | 277.50 | 555.0K |
| 2026-02-23 | Brueck Felix M. Director | Open-market sale | 4.8K | 275.69 | 1.3M |
| 2026-02-23 | Brueck Felix M. Director | Open-market sale | 1.0K | 276.52 | 285.1K |
| 2026-02-16 | Vaillancourt Eric A. President and CEO | Shares withheld for tax | 7.5K | 272.63 | 2.0M |
| 2026-02-16 | McLean Robert Savage EVP, GC, and CAO | Shares withheld for tax | 1.3K | 272.63 | 353.1K |
| 2026-02-16 | Joiner Larisa R. SVP and CIO | Shares withheld for tax | 473 | 272.63 | 129.0K |
| 2026-02-16 | Bower Steven R. SVP, Controller and CAO | Shares withheld for tax | 365 | 272.63 | 99.5K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| BlackRock, Inc. | 789.2M | 3.1M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 333.3M | 1.3M |
| FMR LLC | 286.9M | 1.1M |
| VANGUARD CAPITAL MANAGEMENT LLC | 236.9M | 945.0K |
| WASATCH ADVISORS LP | 228.1M | 909.9K |
| Invesco Ltd. | 212.7M | 848.6K |
| STATE STREET CORP | 203.5M | 812.0K |
| DIMENSIONAL FUND ADVISORS LP | 189.4M | 755.7K |
| Capital International Investors | 151.5M | 604.3K |
| Capital World Investors | 141.4M | 564.1K |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
Ask the AI about NPO
The assistant reads every block on this page — price history, filings, insider transactions, institutional positions, short volume, macro and the measured base rates — and says what it implies, quoting the number behind each claim and declaring what it does not have.
Everything on this page is live in the terminal.
Charts, filings, insider flow and the AI — open without an account.
Free plan for good. Pro is $69.99/mo, or $4.99 for a 7-day trial. See the plans →