Issued 2026-09-16 at $92.93 · now $92.93 (2026-09-16, +0.0% since)
Based on its own history, a month from the 2026-09-16 close, IOSP has typically landed between $82.17 and $103.68 — a range of −11.6% to +11.6% from the issuance price $92.93.
- Actual close
- Typical path (median)
- Middle 50% of outcomes
- 90% range
5,003 overlapping 1 month windows · 2006-09-26 – 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 ($92.93) — 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 IOSP has typically landed a month from the 2026-09-16 close of $92.93 — the range is history, not a prediction.
- now $92.93 (+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). $93.6 (+0.7%)
- middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $88.8–$98.39
- 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $82.17–$103.68
| Start | Return | Max drop | Max rise |
|---|---|---|---|
| 3 worst | |||
| 2008-09-16 | −55.3% | −55.3% | +9.8% |
| 2008-09-26 | −53.8% | −53.8% | +0.0% |
| 2008-09-15 | −53.2% | −53.2% | +15.1% |
| 3 best | |||
| 2009-04-06 | +128.0% | −2.5% | +130.8% |
| 2009-04-03 | +117.2% | −8.3% | +117.2% |
| 2009-03-30 | +111.3% | +0.0% | +111.3% |
5,003 overlapping windows · 2006-09-26 – 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 ~20 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-03-03 | Jones David B. | officer | Sale | 1,028 @ $75.64 | $78K | −6.5% of holding | −0.2% | +10.1% | 14,693 | Form 4 · filed same day |
| 2026-02-27 | Cleminson Ian | officer | Sale | 2,380 @ $76.56 | $182K | −10.5% of holding | +3.2% | +13.3% | 20,357 | Form 4 · filed 4 days after the trade |
| 2026-02-27 | LANDLESS DAVID | director | Sale | 594 @ $76.56 | $45K | −7.2% of holding | +3.2% | +13.3% | 7,632 | Form 4 · filed 4 days after the trade |
| 2026-02-27 | PADFIELD Larry | director | Sale | 594 @ $76.56 | $45K | −5.9% of holding | +3.2% | +13.3% | 9,453 | Form 4 · filed 4 days after the trade |
| 2026-02-27 | Blackmore Milton C | director | Sale | 594 @ $76.56 | $45K | −5.3% of holding | +3.2% | +13.3% | 10,530 | Form 4 · filed 4 days after the trade |
| 2026-02-27 | Poccia Claudia | director | Sale | 119 @ $76.56 | $9K | −1.8% of holding | +3.2% | +13.3% | 6,508 | Form 4 · filed 4 days after the trade |
| 2026-02-20 | Blackmore Milton C | director | Sale | 1,030 @ $81.84 | $84K | −9.7% of holding | −12.4% | +5.0% | 9,585 | Form 4 · filed 4 days after the trade |
| 2026-02-20 | PADFIELD Larry | director | Sale | 1,030 @ $81.84 | $84K | −10.8% of holding | −12.4% | +5.0% | 8,508 | Form 4 · filed 4 days after the trade |
| 2025-11-14 | PARRETTE LESLIE J | director | Purchase | 340 @ $74.09 | $25K | +6.2% of holding | +5.5% | −3.6% | 5,837 | Form 4 · filed 3 days after the trade |
| 2025-05-13 | PARRETTE LESLIE J | director | Sale | 270 @ $90.60 | $24K | −4.5% of holding | −5.6% | −32.6% | 5,673 | Form 4 · filed 2 days after the trade |
| 2025-05-13 | PARRETTE LESLIE J | director | Sale | 176 @ $90.68 | $16K | −3.1% of holding | −5.6% | −32.6% | 5,497 | Form 4 · filed 2 days after the trade |
| 2025-03-03 | Cleminson Ian | officer | Sale | 4,275 @ $100.98 | $432K | −21.2% of holding | −1.3% | −21.9% | 15,858 | Form 4 · filed 1 day after the trade |
| 2025-02-24 | BARNES CORBIN | officer | Sale | 598 @ $103.06 | $62K | −6.9% of holding | −1.2% | −22.5% | 8,051 | Form 4 · filed 2 days after the trade |
| 2025-02-21 | BOON PHILIP JOHN | officer | Sale | 3,754 @ $103.30 | $388K | −15.8% of holding | −0.9% | −23.1% | 20,079 | Form 4 · filed 3 days after the trade |
| 2025-02-21 | Jones David B. | officer | Sale | 3,091 @ $103.30 | $319K | −24.2% of holding | −0.9% | −23.1% | 9,664 | Form 4 · filed 3 days after the trade |
| 2025-02-21 | BARNES CORBIN | officer | Sale | 2,692 @ $103.30 | $278K | −25.1% of holding | −0.9% | −23.1% | 8,051 | Form 4 · filed 3 days after the trade |
| 2025-02-21 | Blackmore Milton C | director | Sale | 652 @ $103.30 | $67K | −7.2% of holding | −0.9% | −23.1% | 8,376 | Form 4 · filed 3 days after the trade |
| 2025-02-21 | PADFIELD Larry | director | Sale | 196 @ $103.30 | $20K | −2.6% of holding | −0.9% | −23.1% | 7,299 | Form 4 · filed 4 days after the trade |
| 2024-11-18 | BARNES CORBIN | officer | Sale | 307 @ $117.52 | $36K | −3.7% of holding | −5.9% | −25.2% | 8,051 | Form 4 · filed 73 days after the trade |
| 2024-11-18 | GRIFFIN HARDY LOUIS III | officer | Sale | 161 @ $117.52 | $19K | −3.4% of holding | −5.9% | −25.2% | 4,523 | Form 4 · filed 73 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.
58 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 |
|---|---|---|---|---|---|---|
| 2026-02-27 | Williams Patrick | director | Withheld for tax | 7,966 | 231,535 | Form 4 |
| 2026-02-27 | Jones David B. | officer | Withheld for tax | 875 | 15,721 | Form 4 |
| 2026-02-27 | GRIFFIN HARDY LOUIS III | officer | Withheld for tax | 401 | 10,161 | Form 4 |
| 2026-02-27 | BARNES CORBIN | officer | Withheld for tax | 166 | 13,080 | Form 4 |
| 2026-02-23 | Jones David B. | officer | Award / grant | 2,993 | 16,596 | Form 4 |
| 2026-02-23 | Arnold Elizabeth K | director | Award / grant | 1,539 | 6,376 | Form 4 |
| 2026-02-23 | MCROBBIE IAN MALCOLM | officer | Award / grant | 2,228 | 2,228 | Form 4 |
| 2026-02-23 | Blackmore Milton C | director | Award / grant | 1,539 | 11,124 | Form 4 |
| 2026-02-23 | LANDLESS DAVID | director | Award / grant | 1,539 | 8,226 | Form 4 |
| 2026-02-23 | BARNES CORBIN | officer | Award / grant | 2,481 | 13,246 | Form 4 |
| 2026-02-23 | Poccia Claudia | director | Award / grant | 1,539 | 6,627 | Form 4 |
| 2026-02-23 | GRIFFIN HARDY LOUIS III | officer | Award / grant | 2,521 | 10,562 | Form 4 |
| 2026-02-23 | Cleminson Ian | officer | Award / grant | 4,499 | 22,737 | Form 4 |
| 2026-02-23 | Williams Patrick | director | Award / grant | 20,846 | 239,501 | Form 4 |
| 2026-02-23 | PADFIELD Larry | director | Award / grant | 1,539 | 10,047 | Form 4 |
| 2026-02-23 | Blair Graeme | officer | Award / grant | 520 | 520 | Form 4 |
| 2026-02-23 | PARRETTE LESLIE J | director | Award / grant | 1,539 | 7,376 | Form 4 |
| 2026-02-20 | Blackmore Milton C | director | Option exercise | 1,030 | 10,615 | Form 4 |
| 2026-02-20 | PADFIELD Larry | director | Option exercise | 1,030 | 9,538 | Form 4 |
| 2026-02-20 | PADFIELD Larry | director | Option exercise | 1,030 | 0 | Form 4 |
| 2026-02-20 | Blackmore Milton C | director | Option exercise | 1,030 | 0 | Form 4 |
| 2026-02-16 | Williams Patrick | director | Award / grant | 18,966 | 218,655 | Form 4 |
| 2026-02-16 | BARNES CORBIN | officer | Award / grant | 1,730 | 10,765 | Form 4 |
| 2026-02-16 | GRIFFIN HARDY LOUIS III | officer | Award / grant | 1,299 | 8,041 | Form 4 |
| 2026-02-16 | Cleminson Ian | officer | Award / grant | 2,380 | 18,238 | Form 4 |
| 2026-02-16 | Jones David B. | officer | Award / grant | 1,903 | 13,603 | Form 4 |
| 2025-05-13 | BARNES CORBIN | officer | Withheld for tax | 740 | 8,998 | Form 4 |
| 2025-05-13 | GRIFFIN HARDY LOUIS III | officer | Withheld for tax | 600 | 6,742 | Form 4 |
| 2025-03-03 | Williams Patrick | director | Withheld for tax | 12,723 | 199,689 | Form 4 |
| 2025-02-24 | BARNES CORBIN | officer | Option exercise | 598 | 8,649 | Form 4 |
| 2025-02-24 | Blair Graeme | officer | Award / grant | 300 | 300 | Form 4 |
| 2025-02-24 | BARNES CORBIN | officer | Award / grant | 1,687 | 9,738 | Form 4 |
| 2025-02-24 | MCROBBIE IAN MALCOLM | officer | Award / grant | 1,560 | 1,560 | Form 4 |
| 2025-02-24 | Poccia Claudia | director | Award / grant | 1,209 | 5,088 | Form 4 |
| 2025-02-24 | PARRETTE LESLIE J | director | Award / grant | 1,209 | 5,943 | Form 4 |
| 2025-02-24 | PADFIELD Larry | director | Award / grant | 1,209 | 8,508 | Form 4 |
| 2025-02-24 | LANDLESS DAVID | director | Award / grant | 1,209 | 6,687 | Form 4 |
| 2025-02-24 | Williams Patrick | director | Award / grant | 14,743 | 212,412 | Form 4 |
| 2025-02-24 | Jones David B. | officer | Award / grant | 2,036 | 11,700 | Form 4 |
| 2025-02-24 | GRIFFIN HARDY LOUIS III | officer | Award / grant | 1,682 | 7,342 | 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.