Issued 2026-09-16 at $287.80 · now $287.80 (2026-09-16, +0.0% since)
Based on its own history, a month from the 2026-09-16 close, CSW has typically landed between $250.29 and $338.48 — a range of −13.0% to +17.6% from the issuance price $287.80.
- Actual close
- Typical path (median)
- Middle 50% of outcomes
- 90% range
3,264 overlapping 1 month windows · 2013-03-13 – 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 ($287.80) — 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 CSW has typically landed a month from the 2026-09-16 close of $287.8 — the range is history, not a prediction.
- now $287.8 (+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). $290.95 (+1.1%)
- middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $273.44–$308.45
- 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $250.29–$338.48
| Start | Return | Max drop | Max rise |
|---|---|---|---|
| 3 worst | |||
| 2025-01-22 | −22.3% | −22.3% | +0.0% |
| 2025-01-21 | −21.7% | −21.7% | +0.0% |
| 2025-01-23 | −21.4% | −21.4% | +0.0% |
| 3 best | |||
| 2015-09-21 | +358.8% | +0.0% | +358.8% |
| 2015-09-18 | +353.1% | +0.0% | +353.1% |
| 2015-09-22 | +344.3% | +0.0% | +358.8% |
3,264 overlapping windows · 2013-03-13 – 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 ~14 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-09-15 | Armes Joseph B | director | Sale | 1,500 @ $289.58 | $434K | −2.3% of holding | not yet — horizon still open | not yet — horizon still open | 62,736 | Form 4 · filed 1 day after the trade |
| 2026-08-14 | Armes Joseph B | director | Sale | 1,500 @ $345.16 | $518K | −2.3% of holding | −13.7% | not yet — horizon still open | 64,236 | Form 4 · filed 3 days after the trade |
| 2026-08-10 | UNDERWOOD JEFF | officer | Sale | 720 @ $346.96 | $250K | −10.1% of holding | −13.4% | not yet — horizon still open | 6,409 | Form 4 · filed 1 day after the trade |
| 2026-08-05 | Sullivan Don | officer | Sale | 4,526 @ $343.75 | $1.6M | −21.0% of holding | −12.1% | not yet — horizon still open | 17,041 | Form 4 · filed same day |
| 2026-07-15 | Armes Joseph B | director | Sale | 1,500 @ $289.95 | $435K | −2.2% of holding | +13.7% | not yet — horizon still open | 67,600 | Form 4 · filed 1 day after the trade |
| 2026-06-15 | Armes Joseph B | director | Sale | 1,500 @ $279.52 | $419K | −2.1% of holding | +10.6% | not yet — horizon still open | 69,100 | Form 4 · filed 1 day after the trade |
| 2026-05-27 | Armes Joseph B | director | Sale | 1,500 @ $283.94 | $426K | −2.1% of holding | +0.3% | not yet — horizon still open | 70,600 | Form 4 · filed same day |
| 2026-05-01 | Alverson Luke | officer | Sale | 1,007 @ $289.57 | $292K | −7.5% of holding | −10.8% | not yet — horizon still open | 12,450 | Form 4 · filed 3 days after the trade |
| 2026-04-15 | Armes Joseph B | director | Sale | 1,500 @ $286.77 | $430K | −1.7% of holding | −13.9% | not yet — horizon still open | 84,494 | Form 4 · filed 1 day after the trade |
| 2026-04-15 | Sullivan Don | officer | Sale | 166 @ $300.26 | $50K | −0.8% of holding | −13.9% | not yet — horizon still open | 21,567 | Form 4 · filed 1 day after the trade |
| 2026-04-07 | Alverson Luke | officer | Sale | 1,007 @ $266.11 | $268K | −7.0% of holding | −5.9% | not yet — horizon still open | 13,457 | Form 4 · filed same day |
| 2026-03-23 | Armes Joseph B | director | Sale | 1,500 @ $270.11 | $405K | −2.5% of holding | +2.7% | not yet — horizon still open | 59,526 | Form 4 · filed 1 day after the trade |
| 2026-03-13 | Ash Darron K | director | Purchase | 300 @ $256.62 | $77K | +35.1% of holding | +14.5% | −1.0% | 1,155 | Form 4 · filed 3 days after the trade |
| 2026-02-17 | Armes Joseph B | director | Sale | 1,500 @ $297.79 | $447K | −2.4% of holding | −10.1% | +0.1% | 61,026 | Form 4 · filed 1 day after the trade |
| 2026-02-11 | Alverson Luke | officer | Sale | 500 @ $316.02 | $158K | −3.9% of holding | −16.0% | −6.3% | 12,450 | Form 4 · filed 2 days after the trade |
| 2026-01-15 | Armes Joseph B | director | Sale | 1,000 @ $328.64 | $329K | −1.6% of holding | −9.2% | −23.9% | 62,526 | Form 4 · filed 1 day after the trade |
| 2026-01-02 | Perry James E | officer | Sale | 145 @ $293.53 | $43K | −0.6% of holding | −12.3% | −17.8% | 25,204 | Form 4 · filed 3 days after the trade |
| 2025-12-15 | Armes Joseph B | director | Sale | 1,000 @ $317.40 | $317K | −1.5% of holding | +1.9% | −23.8% | 64,493 | Form 4 · filed 1 day after the trade |
| 2025-12-08 | Sullivan Don | officer | Sale | 4,136 @ $301.41 | $1.2M | −18.5% of holding | +7.1% | −16.7% | 18,196 | Form 4 · filed 1 day after the trade |
| 2025-12-02 | UNDERWOOD JEFF | officer | Sale | 370 @ $278.96 | $103K | −5.9% of holding | +5.9% | −14.2% | 5,853 | Form 4 · filed same day |
| 2025-12-02 | Alverson Luke | officer | Sale | 280 @ $272.95 | $76K | −2.1% of holding | +5.9% | −14.2% | 13,110 | Form 4 · filed same day |
| 2025-12-01 | Perry James E | officer | Sale | 580 @ $275.00 | $160K | −2.2% of holding | +6.9% | −12.1% | 25,349 | Form 4 · filed 1 day after the trade |
| 2025-11-18 | WANG FANG | officer | Sale | 359 @ $240.54 | $86K | −11.8% of holding | +24.6% | −3.7% | 2,676 | Form 4 · filed 1 day after the trade |
| 2025-11-14 | Armes Joseph B | director | Sale | 1,000 @ $250.00 | $250K | −1.5% of holding | +22.8% | −8.0% | 65,493 | Form 4 · filed 3 days after the trade |
| 2025-10-30 | Armes Joseph B | director | Sale | 1,000 @ $250.00 | $250K | −1.5% of holding | +10.5% | +6.6% | 66,493 | Form 4 · filed 1 day after the trade |
| 2025-09-15 | Armes Joseph B | director | Sale | 1,000 @ $250.00 | $250K | −1.6% of holding | −4.0% | +2.4% | 61,522 | Form 4 · filed 1 day after the trade |
| 2025-08-15 | Armes Joseph B | director | Sale | 266 @ $258.85 | $69K | −0.4% of holding | −7.8% | +6.8% | 62,955 | Form 4 · filed 3 days after the trade |
| 2025-08-15 | Armes Joseph B | director | Sale | 191 @ $259.88 | $50K | −0.3% of holding | −7.8% | +6.8% | 62,764 | Form 4 · filed 3 days after the trade |
| 2025-08-15 | Armes Joseph B | director | Sale | 160 @ $257.86 | $41K | −0.3% of holding | −7.8% | +6.8% | 63,221 | Form 4 · filed 3 days after the trade |
| 2025-08-15 | Armes Joseph B | director | Sale | 128 @ $262.09 | $34K | −0.2% of holding | −7.8% | +6.8% | 62,585 | Form 4 · filed 3 days after the trade |
| 2025-08-15 | Armes Joseph B | director | Sale | 90 @ $255.45 | $23K | −0.1% of holding | −7.8% | +6.8% | 63,432 | Form 4 · filed 3 days after the trade |
| 2025-08-15 | Armes Joseph B | director | Sale | 51 @ $260.90 | $13K | −0.1% of holding | −7.8% | +6.8% | 62,713 | Form 4 · filed 3 days after the trade |
| 2025-08-15 | Armes Joseph B | director | Sale | 51 @ $256.67 | $13K | −0.1% of holding | −7.8% | +6.8% | 63,381 | Form 4 · filed 3 days after the trade |
| 2025-08-15 | Armes Joseph B | director | Sale | 40 @ $262.94 | $11K | −0.1% of holding | −7.8% | +6.8% | 62,545 | Form 4 · filed 3 days after the trade |
| 2025-08-15 | Armes Joseph B | director | Sale | 13 @ $268.43 | $3K | −0.0% of holding | −7.8% | +6.8% | 62,522 | Form 4 · filed 3 days after the trade |
| 2025-08-15 | Armes Joseph B | director | Sale | 10 @ $266.70 | $3K | −0.0% of holding | −7.8% | +6.8% | 62,535 | Form 4 · filed 3 days after the trade |
| 2025-08-14 | Sullivan Don | officer | Sale | 1,067 @ $283.14 | $302K | −4.5% of holding | −8.6% | +10.3% | 22,641 | Form 4 · filed 4 days after the trade |
| 2025-08-12 | Perry James E | officer | Sale | 145 @ $275.05 | $40K | −0.6% of holding | −10.1% | +8.5% | 25,178 | Form 4 · filed same day |
| 2025-08-01 | Swartz Robert M | director | Sale | 100 @ $250.46 | $25K | −0.8% of holding | +5.8% | −6.1% | 12,419 | Form 4 · filed 3 days after the trade |
| 2025-08-01 | Swartz Robert M | director | Sale | 100 @ $250.28 | $25K | −0.8% of holding | +5.8% | −6.1% | 12,319 | Form 4 · filed 3 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.
69 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 |
|---|---|---|---|---|---|---|
| 2026-08-27 | GAMBRELL MICHAEL R | director | Award / grant | 409 | 22,522 | Form 4 |
| 2026-08-27 | Ash Darron K | director | Award / grant | 409 | 903 | Form 4 |
| 2026-08-27 | JOHNSTON TERRY L | director | Award / grant | 409 | 10,396 | Form 4 |
| 2026-08-27 | Griffin Bobby | director | Award / grant | 409 | 3,352 | Form 4 |
| 2026-08-27 | Motsenbocker Anne | director | Award / grant | 409 | 2,654 | Form 4 |
| 2026-08-27 | LIVINGSTONE LINDA A. | director | Award / grant | 409 | 12,692 | Form 4 |
| 2026-08-03 | Perry James E | officer | Gift | 500 | 27,253 | Form 4 |
| 2026-08-03 | Armes Joseph B | director | Gift | 1,864 | 65,736 | Form 4 |
| 2026-08-03 | Alverson Luke | officer | Gift | 175 | 12,275 | Form 4 |
| 2026-05-29 | Ash Darron K | director | Other acquisition | 661 | 661 | Form 4 |
| 2026-05-29 | Ash Darron K | director | Other acquisition | 661 | 494 | Form 4 |
| 2026-05-06 | Armes Joseph B | director | Award / grant | 9,836 | 9,836 | Form 4 |
| 2026-05-06 | UNDERWOOD JEFF | officer | Award / grant | 1,808 | 1,808 | Form 4 |
| 2026-05-06 | Garde Danielle | officer | Award / grant | 1,049 | 1,049 | Form 4 |
| 2026-05-06 | Alverson Luke | officer | Award / grant | 1,049 | 1,049 | Form 4 |
| 2026-05-06 | Perry James E | officer | Award / grant | 1,808 | 1,808 | Form 4 |
| 2026-04-26 | Armes Joseph B | director | Withheld for tax | 12,394 | 72,100 | Form 4 |
| 2026-04-09 | WANG FANG | officer | Award / grant | 211 | 211 | Form 4 |
| 2026-04-02 | Armes Joseph B | director | Withheld for tax | 16,284 | 85,994 | Form 4 |
| 2026-04-02 | Sullivan Don | officer | Withheld for tax | 2,333 | 21,733 | Form 4 |
| 2026-04-02 | Perry James E | officer | Withheld for tax | 2,321 | 27,753 | Form 4 |
| 2026-04-02 | Alverson Luke | officer | Withheld for tax | 1,333 | 14,464 | Form 4 |
| 2026-04-02 | Garde Danielle | officer | Withheld for tax | 1,264 | 5,690 | Form 4 |
| 2026-04-02 | UNDERWOOD JEFF | officer | Withheld for tax | 851 | 7,129 | Form 4 |
| 2026-04-02 | WANG FANG | officer | Withheld for tax | 174 | 3,118 | Form 4 |
| 2026-04-02 | Armes Joseph B | director | Option exercise | 12,422 | 0 | Form 4 |
| 2026-04-02 | WANG FANG | officer | Option exercise | 616 | 3,292 | Form 4 |
| 2026-04-02 | WANG FANG | officer | Option exercise | 311 | 0 | Form 4 |
| 2026-04-02 | Garde Danielle | officer | Option exercise | 1,639 | 0 | Form 4 |
| 2026-04-02 | Armes Joseph B | director | Option exercise | 9,186 | 9,186 | Form 4 |
| 2026-04-02 | Perry James E | officer | Option exercise | 5,870 | 30,074 | Form 4 |
| 2026-04-02 | Perry James E | officer | Option exercise | 3,037 | 0 | Form 4 |
| 2026-04-02 | Armes Joseph B | director | Option exercise | 23,968 | 83,494 | Form 4 |
| 2026-04-02 | Armes Joseph B | director | Option exercise | 18,784 | 102,278 | Form 4 |
| 2026-04-02 | Alverson Luke | officer | Option exercise | 3,347 | 15,797 | Form 4 |
| 2026-04-02 | Alverson Luke | officer | Option exercise | 1,731 | 0 | Form 4 |
| 2026-04-02 | UNDERWOOD JEFF | officer | Option exercise | 2,127 | 7,980 | Form 4 |
| 2026-04-02 | UNDERWOOD JEFF | officer | Option exercise | 1,097 | 0 | Form 4 |
| 2026-04-02 | Sullivan Don | officer | Option exercise | 5,870 | 24,066 | Form 4 |
| 2026-04-02 | Sullivan Don | officer | Option exercise | 3,037 | 0 | 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.