Issued 2026-09-16 at $42.82 · now $42.82 (2026-09-16, +0.0% since)
Based on its own history, a month from the 2026-09-16 close, CNM has typically landed between $36.70 and $50.19 — a range of −14.3% to +17.2% from the issuance price $42.82.
- Actual close
- Typical path (median)
- Middle 50% of outcomes
- 90% range
1,273 overlapping 1 month windows · 2021-07-22 – 2026-08-17 · basis climatology · forecast (batch). Probability up 53.9% (90% CI 51.7–56.1%, ≈1,408 obs).
The cone is anchored at the 2026-09-16 issuance close ($42.82) — the price the forecast resolves against on 2026-10-15, not the latest close. The drawn path shape is illustrative (bands widen with √t); every labeled number is real — the anchor, the scored batch p90/IQR endpoints, and the typical move.
Where CNM has typically landed a month from the 2026-09-16 close of $42.82 — the range is history, not a prediction.
- now $42.82 (+0.0%)
- typicalThe typical outcome — half of similar past periods did better and half did worse (not an average, so a few wild periods don't skew it). $43.62 (+1.9%)
- middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $40.76–$46.49
- 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $36.7–$50.19
| Start | Return | Max drop | Max rise |
|---|---|---|---|
| 3 worst | |||
| 2025-08-13 | −25.9% | −26.0% | +2.0% |
| 2021-12-29 | −25.6% | −27.3% | +0.0% |
| 2025-08-12 | −24.5% | −25.8% | +2.3% |
| 3 best | |||
| 2021-07-22 | +34.6% | +0.0% | +38.8% |
| 2024-02-21 | +29.7% | +0.0% | +29.7% |
| 2024-11-01 | +29.0% | −3.1% | +29.0% |
1,273 overlapping windows · 2021-07-22 – 2026-09-16 · not cherry-picked
Seasonality · by month iHow this security has tended to do in each calendar month historically — a frequency, never a prediction.
iFor each calendar month, the share of years this security closed higher than the month before, and the average month-over-month return, over ~6 years of its own price history. Cells are shaded by average return. This is historical frequency, not a prediction — no month is a signal.Up-frequency and average month-over-month return · historical frequency, not a prediction
Reported insider & political trades
Every Form 4 the people closest to this company have filed with the SEC — plotted against the share price, aggregated by month, and shown with the gap between when each trade happened and when it was disclosed. A public record, not advice.
| Date | Person | Role | Action | Shares @ price | Value | Ownership Δ | vs S&P 1m | vs S&P 6m | Owned after | Filing |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-07-06 | Hope James D | director | Purchase | 2,067 @ $46.01 | $95K | +21.2% of holding | −1.9% | not yet — horizon still open | 11,805 | Form 4 · filed 2 days after the trade |
| 2026-04-17 | Bradbury Robyn L | officer | Sale | 3,353 @ $52.84 | $177K | −21.2% of holding | −13.2% | not yet — horizon still open | 12,500 | Form 4 · filed 4 days after the trade |
| 2026-04-17 | Bradbury Robyn L | officer | Sale | 1,647 @ $51.94 | $86K | −9.4% of holding | −13.2% | not yet — horizon still open | 15,853 | Form 4 · filed 4 days after the trade |
| 2026-04-07 | Hope James D | director | Purchase | 1,972 @ $50.70 | $100K | +39.7% of holding | −10.8% | not yet — horizon still open | 6,939 | Form 4 · filed 2 days after the trade |
| 2025-08-18 | Witkowski Mark R | director | Sale | 100,000 @ $64.08 | $6.4M | −73.6% of holding | −26.7% | −19.6% | 35,847 | Form 4 · filed 2 days after the trade |
| 2025-07-22 | Bradbury Robyn L | officer | Sale | 5,000 @ $64.51 | $323K | −36.9% of holding | −3.1% | −20.2% | 8,555 | Form 4 · filed 1 day after the trade |
| 2025-07-18 | Castellano James G | director | Sale | 43,994 @ $61.98 | $2.7M | −100.0% of holding | +2.1% | −16.5% | 0 | Form 4 · filed 3 days after the trade |
| 2025-07-18 | Kimbrough Orvin T | director | Sale | 23,962 @ $61.77 | $1.5M | −63.2% of holding | +2.1% | −16.5% | 13,958 | Form 4 · filed 3 days after the trade |
| 2025-07-17 | Witkowski Mark R | director | Sale | 72,331 @ $61.12 | $4.4M | −53.2% of holding | +1.2% | −17.3% | 63,516 | Form 4 · filed 4 days after the trade |
| 2025-07-17 | Witkowski Mark R | director | Sale | 27,669 @ $61.63 | $1.7M | −43.6% of holding | +1.2% | −17.3% | 35,847 | Form 4 · filed 4 days after the trade |
| 2025-07-07 | LeClair Stephen O | director | Sale | 44,972 @ $61.91 | $2.8M | −38.9% of holding | +2.2% | −22.0% | 70,736 | Form 4 · filed 1 day after the trade |
| 2025-07-03 | LeClair Stephen O | director | Sale | 80,028 @ $62.27 | $5.0M | −53.1% of holding | +1.5% | −24.2% | 70,736 | Form 4 · filed 5 days after the trade |
| 2025-07-01 | Bradbury Robyn L | officer | Sale | 13,363 @ $59.97 | $801K | −39.8% of holding | +1.5% | −25.6% | 20,192 | Form 4 · filed 2 days after the trade |
| 2025-07-01 | Bradbury Robyn L | officer | Sale | 11,318 @ $61.08 | $691K | −56.1% of holding | +1.5% | −25.6% | 8,874 | Form 4 · filed 2 days after the trade |
| 2025-07-01 | Bradbury Robyn L | officer | Sale | 319 @ $61.58 | $20K | −3.6% of holding | +1.5% | −25.6% | 8,555 | Form 4 · filed 2 days after the trade |
| 2025-06-09 | Whittenburg Mark G | officer | Sale | 49,100 @ $60.03 | $2.9M | −83.5% of holding | +0.3% | −29.5% | 9,691 | Form 4 · filed 1 day after the trade |
| 2025-06-06 | Whittenburg Mark G | officer | Sale | 900 @ $60.03 | $54K | −8.5% of holding | −0.2% | −30.9% | 9,691 | Form 4 · filed 4 days after the trade |
| 2025-06-03 | Schneider Laura K | officer | Sale | 45,695 @ $56.25 | $2.6M | −78.0% of holding | +0.3% | −32.1% | 12,873 | Form 4 · filed 2 days after the trade |
| 2025-05-28 | Schaller John R | officer | Sale | 9,794 @ $55.00 | $539K | −33.2% of holding | +5.5% | −29.5% | 19,689 | Form 4 · filed 2 days after the trade |
| 2025-04-29 | Stephens John Weldon | officer | Sale | 31,750 @ $53.03 | $1.7M | −88.5% of holding | −3.1% | −25.6% | 4,120 | Form 4 · filed 1 day after the trade |
| 2025-04-28 | Stephens John Weldon | officer | Sale | 10,214 @ $53.02 | $542K | −71.3% of holding | −3.3% | −23.0% | 4,120 | Form 4 · filed 2 days after the trade |
| 2025-04-02 | Stephens John Weldon | officer | Sale | 41,963 @ $50.48 | $2.1M | −91.1% of holding | +5.3% | −14.9% | 4,120 | Form 4 · filed 2 days after the trade |
| 2025-03-11 | Schaller John R | officer | Sale | 19,292 @ $45.00 | $868K | −55.5% of holding | +6.4% | −13.7% | 15,474 | Form 4 · filed 2 days after the trade |
| 2025-03-10 | Schaller John R | officer | Sale | 21,868 @ $46.82 | $1.0M | −57.1% of holding | +6.5% | −10.3% | 16,452 | Form 4 · filed 1 day after the trade |
| 2025-02-10 | Cowles Bradford A | officer | Sale | 25,000 @ $54.48 | $1.4M | −61.0% of holding | −5.5% | +12.8% | 16,010 | Form 4 · filed 2 days after the trade |
| 2025-01-16 | Whittenburg Mark G | officer | Sale | 48,026 @ $55.13 | $2.6M | −86.2% of holding | −3.9% | +7.8% | 7,667 | Form 4 · filed 1 day after the trade |
| 2025-01-15 | Whittenburg Mark G | officer | Sale | 1,974 @ $55.29 | $109K | −20.5% of holding | −2.6% | +8.0% | 7,667 | Form 4 · filed 2 days after the trade |
| 2025-01-14 | Cowles Bradford A | officer | Sale | 12,500 @ $54.07 | $676K | −43.8% of holding | −4.6% | +6.1% | 16,010 | Form 4 · filed same day |
| 2025-01-10 | Whittenburg Mark G | officer | Sale | 50,000 @ $50.49 | $2.5M | −86.7% of holding | +4.2% | +11.1% | 7,667 | Form 4 · filed 4 days after the trade |
| 2025-01-10 | Schaller John R | officer | Sale | 37,984 @ $50.56 | $1.9M | −67.2% of holding | +4.2% | +11.1% | 18,498 | Form 4 · filed 4 days after the trade |
| 2025-01-10 | Schaller John R | officer | Sale | 21,868 @ $50.56 | $1.1M | −55.0% of holding | +4.2% | +11.1% | 17,898 | Form 4 · filed 4 days after the trade |
| 2025-01-10 | Cowles Bradford A | officer | Sale | 12,500 @ $50.50 | $631K | −43.8% of holding | +4.2% | +11.1% | 16,010 | Form 4 · filed 4 days after the trade |
| 2025-01-10 | Schaller John R | officer | Sale | 600 @ $51.41 | $31K | −3.2% of holding | +4.2% | +11.1% | 17,898 | Form 4 · filed 4 days after the trade |
| 2024-12-03 | LeClair Stephen O | director | Sale | 200,000 @ $54.88 | $11.0M | −68.4% of holding | −5.0% | +7.1% | 92,349 | Form 4 · filed 2 days after the trade |
| 2024-12-03 | Cowles Bradford A | officer | Sale | 50,000 @ $55.07 | $2.8M | −73.1% of holding | −5.0% | +7.1% | 18,423 | Form 4 · filed 2 days after the trade |
| 2024-12-03 | Giles Jeffrey D | officer | Sale | 25,000 @ $54.71 | $1.4M | −68.3% of holding | −5.0% | +7.1% | 11,615 | Form 4 · filed 2 days after the trade |
| 2024-12-03 | NEWMAN MARGARET | director | Sale | 15,000 @ $55.25 | $829K | −56.0% of holding | −5.0% | +7.1% | 11,769 | Form 4 · filed 2 days after the trade |
The vs-S&P columns are a labeled look-back on what the stock did after each filing, measured against the index over the same window. Descriptive history, not a claim about the person or a reason to trade.
255 award / exercise / gift records — not counted as purchases
Awards, option exercises, gifts and tax-withholding disposals are shown separately and never counted as open-market purchases or sales — they carry no conviction information.
| Date | Person | Role | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-08-04 | Harper Carla D | officer | Withheld for tax | 242 | 13,064 | Form 4 |
| 2026-07-22 | HUEBERT MICHAEL G. | officer | Withheld for tax | 1,301 | 24,036 | Form 4 |
| 2026-06-23 | Hope James D | director | Award / grant | 2,799 | 9,738 | Form 4 |
| 2026-06-23 | Hardwick M Susan | director | Award / grant | 2,799 | 3,379 | Form 4 |
| 2026-06-23 | NEWMAN MARGARET | director | Award / grant | 2,799 | 16,757 | Form 4 |
| 2026-06-23 | Kimbrough Orvin T | director | Award / grant | 2,799 | 16,757 | Form 4 |
| 2026-06-23 | Gipson Dennis G | director | Award / grant | 2,799 | 16,757 | Form 4 |
| 2026-06-23 | MAZZARELLA KATHLEEN M | director | Award / grant | 2,799 | 16,757 | Form 4 |
| 2026-06-23 | Amirthalingam Bhavani | director | Award / grant | 2,799 | 17,955 | Form 4 |
| 2026-06-23 | Buck Robert M | director | Award / grant | 2,799 | 15,849 | Form 4 |
| 2026-06-23 | Castellano James G | director | Award / grant | 2,799 | 7,437 | Form 4 |
| 2026-06-22 | Harper Carla D | officer | Withheld for tax | 568 | 13,306 | Form 4 |
| 2026-04-17 | Bradbury Robyn L | officer | Other acquisition | 5,000 | 152,447 | Form 4 |
| 2026-04-17 | Bradbury Robyn L | officer | Conversion | 5,000 | 0 | Form 4 |
| 2026-04-17 | Bradbury Robyn L | officer | Other acquisition | 5,000 | 5,000 | Form 4 |
| 2026-04-17 | Bradbury Robyn L | officer | Conversion | 5,000 | 17,500 | Form 4 |
| 2026-04-01 | Hardwick M Susan | director | Award / grant | 580 | 580 | Form 4 |
| 2026-03-12 | Giles Jeffrey D | officer | Award / grant | 21,585 | 21,585 | Form 4 |
| 2026-03-12 | Bradbury Robyn L | officer | Award / grant | 4,824 | 12,500 | Form 4 |
| 2026-03-12 | Bradbury Robyn L | officer | Award / grant | 34,488 | 34,488 | Form 4 |
| 2026-03-12 | Giles Jeffrey D | officer | Award / grant | 3,021 | 9,681 | Form 4 |
| 2026-03-12 | Stephens John Weldon | officer | Award / grant | 936 | 17,374 | Form 4 |
| 2026-03-12 | Stephens John Weldon | officer | Award / grant | 6,684 | 6,684 | Form 4 |
| 2026-03-12 | HUEBERT MICHAEL G. | officer | Award / grant | 10,500 | 25,337 | Form 4 |
| 2026-03-12 | HUEBERT MICHAEL G. | officer | Award / grant | 37,539 | 37,539 | Form 4 |
| 2026-03-12 | Harper Carla D | officer | Award / grant | 2,463 | 13,874 | Form 4 |
| 2026-03-12 | Harper Carla D | officer | Award / grant | 17,598 | 17,598 | Form 4 |
| 2026-03-12 | Cowles Bradford A | officer | Award / grant | 7,086 | 25,491 | Form 4 |
| 2026-03-12 | Cowles Bradford A | officer | Award / grant | 50,676 | 50,676 | Form 4 |
| 2026-03-12 | Witkowski Mark R | director | Award / grant | 18,372 | 51,119 | Form 4 |
| 2026-03-12 | Witkowski Mark R | director | Award / grant | 131,382 | 131,382 | Form 4 |
| 2026-03-11 | Witkowski Mark R | director | Withheld for tax | 1,685 | 32,747 | Form 4 |
| 2026-03-11 | Cowles Bradford A | officer | Withheld for tax | 607 | 18,405 | Form 4 |
| 2026-03-11 | HUEBERT MICHAEL G. | officer | Withheld for tax | 447 | 14,837 | Form 4 |
| 2026-03-11 | Bradbury Robyn L | officer | Withheld for tax | 404 | 7,676 | Form 4 |
| 2026-03-11 | Whittenburg Mark G | officer | Withheld for tax | 331 | 8,525 | Form 4 |
| 2026-03-11 | Stephens John Weldon | officer | Withheld for tax | 107 | 16,438 | Form 4 |
| 2026-03-11 | Harper Carla D | officer | Withheld for tax | 89 | 11,411 | Form 4 |
| 2026-03-10 | LeClair Stephen O | director | Withheld for tax | 3,081 | 66,136 | Form 4 |
| 2026-03-10 | Witkowski Mark R | director | Withheld for tax | 937 | 34,432 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Across 2012–2021, stocks where a CEO, C-suite officer, or director had recently made an open-market common-stock purchase ran about +28 bp per month above the universe average (n=34,268 stock-weeks). A historical tendency, not a prediction.
Congressional disclosures
No congressional trades disclosed for this company.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.