Issued 2026-09-16 at $18.57 · now $18.57 (2026-09-14, +0.0% since)
Based on its own history, a month from the 2026-09-16 close, ISSC has typically landed between $14.65 and $24.09 — a range of −21.1% to +29.7% from the issuance price $18.57.
- Actual close
- Typical path (median)
- Middle 50% of outcomes
- 90% range
4,986 overlapping 1 month windows · 2006-09-26 – 2026-07-23 · 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 ($18.57) — 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 ISSC has typically landed a month from the 2026-09-16 close of $18.57 — the range is history, not a prediction.
- now $18.57 (+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). $18.77 (+1.1%)
- middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $17.18–$20.37
- 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $14.65–$24.09
| Start | Return | Max drop | Max rise |
|---|---|---|---|
| 3 worst | |||
| 2020-02-19 | −57.5% | −57.5% | +1.9% |
| 2020-02-21 | −57.4% | −58.3% | +0.0% |
| 2020-02-18 | −56.6% | −56.6% | +0.9% |
| 3 best | |||
| 2025-11-20 | +116.5% | +0.0% | +116.5% |
| 2025-11-21 | +111.7% | +0.0% | +111.7% |
| 2025-11-24 | +110.8% | +0.0% | +110.8% |
4,986 overlapping windows · 2006-09-26 – 2026-09-14 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-06-30 | Harborne Christopher | tenPercentOwner | Sale | 145,009 @ $13.69 | $2.0M | −8.4% of holding | +6.9% | +27.9% | 1,583,411 | Form 4 · filed 1 day after the trade |
| 2025-06-27 | Harborne Christopher | tenPercentOwner | Sale | 40,919 @ $13.50 | $552K | −2.3% of holding | +4.6% | +26.2% | 1,760,000 | Form 4 · filed 4 days after the trade |
| 2025-06-27 | Harborne Christopher | tenPercentOwner | Sale | 31,580 @ $13.91 | $439K | −1.8% of holding | +4.6% | +26.2% | 1,728,420 | Form 4 · filed 4 days after the trade |
| 2025-06-26 | Harborne Christopher | tenPercentOwner | Sale | 59,667 @ $13.21 | $788K | −3.2% of holding | +11.7% | +34.2% | 1,800,919 | Form 4 · filed 1 day after the trade |
| 2025-06-25 | Harborne Christopher | tenPercentOwner | Sale | 90,655 @ $12.92 | $1.2M | −4.6% of holding | +13.3% | +30.8% | 1,860,586 | Form 4 · filed 1 day after the trade |
| 2025-06-23 | Harborne Christopher | tenPercentOwner | Sale | 89,414 @ $12.50 | $1.1M | −4.4% of holding | +15.9% | +17.3% | 1,951,241 | Form 4 · filed 1 day after the trade |
| 2025-06-20 | Harborne Christopher | tenPercentOwner | Sale | 31,953 @ $12.25 | $391K | −1.5% of holding | +20.2% | +2.3% | 2,040,655 | Form 4 · filed 3 days after the trade |
| 2025-06-18 | Harborne Christopher | tenPercentOwner | Sale | 17,198 @ $12.28 | $211K | −0.8% of holding | +22.2% | −24.0% | 2,072,608 | Form 4 · filed 2 days after the trade |
| 2025-06-17 | Harborne Christopher | tenPercentOwner | Sale | 21,809 @ $12.77 | $279K | −1.0% of holding | +22.8% | −19.7% | 2,089,806 | Form 4 · filed 1 day after the trade |
| 2025-06-11 | Harborne Christopher | tenPercentOwner | Sale | 5,116 @ $11.77 | $60K | −0.2% of holding | +17.4% | −24.2% | 2,111,615 | Form 4 · filed 1 day after the trade |
| 2025-06-10 | Harborne Christopher | tenPercentOwner | Sale | 438 @ $11.75 | $5K | −0.0% of holding | +12.4% | −22.5% | 2,116,731 | Form 4 · filed 1 day after the trade |
| 2025-06-09 | Harborne Christopher | tenPercentOwner | Sale | 63,592 @ $11.78 | $749K | −2.9% of holding | +10.4% | −26.2% | 2,117,169 | Form 4 · filed 1 day after the trade |
| 2025-06-06 | Harborne Christopher | tenPercentOwner | Sale | 35,437 @ $11.76 | $417K | −1.6% of holding | +16.2% | −28.2% | 2,180,761 | Form 4 · filed 3 days after the trade |
| 2025-06-05 | Harborne Christopher | tenPercentOwner | Sale | 11,944 @ $11.79 | $141K | −0.5% of holding | +13.0% | −30.7% | 2,216,198 | Form 4 · filed 1 day after the trade |
| 2025-06-04 | Harborne Christopher | tenPercentOwner | Sale | 43,997 @ $11.67 | $513K | −1.9% of holding | +11.4% | −33.1% | 2,228,142 | Form 4 · filed 1 day after the trade |
| 2025-06-03 | Harborne Christopher | tenPercentOwner | Sale | 6,766 @ $11.50 | $78K | −0.3% of holding | +16.8% | −31.2% | 2,272,139 | Form 4 · filed 2 days after the trade |
| 2025-06-02 | Harborne Christopher | tenPercentOwner | Sale | 17,740 @ $11.51 | $204K | −0.8% of holding | +24.6% | −30.7% | 2,278,905 | Form 4 · filed 3 days after the trade |
| 2025-02-06 | Harborne Christopher | tenPercentOwner | Sale | 14,970 @ $11.59 | $174K | −0.6% of holding | −35.6% | +51.0% | 2,296,645 | Form 4 · filed 1 day after the trade |
| 2025-02-04 | Harborne Christopher | tenPercentOwner | Sale | 63,368 @ $11.21 | $710K | −2.7% of holding | −36.1% | +44.7% | 2,311,615 | Form 4 · filed 1 day after the trade |
| 2025-01-31 | Harborne Christopher | tenPercentOwner | Sale | 42,788 @ $11.84 | $507K | −1.8% of holding | −38.7% | +44.1% | 2,374,983 | Form 4 · filed 3 days after the trade |
| 2025-01-30 | Harborne Christopher | tenPercentOwner | Sale | 7,086 @ $11.17 | $79K | −0.3% of holding | −36.1% | +36.4% | 2,417,771 | Form 4 · filed 1 day after the trade |
| 2025-01-24 | Harborne Christopher | tenPercentOwner | Sale | 6,713 @ $11.32 | $76K | −0.3% of holding | −32.3% | +32.0% | 2,424,857 | Form 4 · filed 3 days after the trade |
| 2025-01-23 | Harborne Christopher | tenPercentOwner | Sale | 69,599 @ $11.21 | $780K | −2.8% of holding | −31.7% | +32.5% | 2,431,570 | Form 4 · filed 1 day after the trade |
| 2025-01-21 | Harborne Christopher | tenPercentOwner | Sale | 98,600 @ $10.82 | $1.1M | −3.8% of holding | −25.0% | +36.5% | 2,501,169 | Form 4 · filed 1 day after the trade |
| 2025-01-17 | Harborne Christopher | tenPercentOwner | Sale | 10,000 @ $10.16 | $102K | −0.4% of holding | −19.1% | +45.3% | 2,599,769 | Form 4 · filed 5 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.
42 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 |
|---|---|---|---|---|---|---|
| 2026-07-14 | DiGiovanni Jeffrey | officer | Award / grant | 21,793 | 21,793 | Form 4 |
| 2026-07-14 | Askarpour Shahram | director | Award / grant | 68,966 | 68,966 | Form 4 |
| 2026-07-08 | DiGiovanni Jeffrey | officer | Withheld for tax | 749 | 86,238 | Form 4 |
| 2026-06-30 | DiGiovanni Jeffrey | officer | Withheld for tax | 910 | 86,987 | Form 4 |
| 2026-05-20 | BRESSNER GLEN R | director | Award / grant | 6,300 | 153,655 | Form 4 |
| 2026-05-18 | Askarpour Shahram | director | Withheld for tax | 906 | 495,035 | Form 4 |
| 2026-05-18 | DiGiovanni Jeffrey | officer | Withheld for tax | 474 | 87,897 | Form 4 |
| 2026-04-16 | Dean Garry C. | director | Award / grant | 5,618 | 29,408 | Form 4 |
| 2026-04-16 | Carolin Roger Anthony | director | Award / grant | 5,618 | 83,188 | Form 4 |
| 2026-04-16 | Silfen Richard A | director | Award / grant | 5,618 | 7,508 | Form 4 |
| 2026-04-16 | Devine Denise L | director | Award / grant | 5,618 | 20,622 | Form 4 |
| 2026-04-16 | Belland Stephen L | director | Award / grant | 5,618 | 42,559 | Form 4 |
| 2026-04-16 | BRESSNER GLEN R | director | Award / grant | 5,618 | 147,355 | Form 4 |
| 2026-04-16 | Devine Denise L | director | Disposition | 5,403 | 15,004 | Form 4 |
| 2026-04-08 | DiGiovanni Jeffrey | officer | Withheld for tax | 765 | 88,371 | Form 4 |
| 2026-03-31 | DiGiovanni Jeffrey | officer | Withheld for tax | 897 | 89,136 | Form 4 |
| 2026-02-22 | Askarpour Shahram | director | Withheld for tax | 2,876 | 495,941 | Form 4 |
| 2026-02-18 | Askarpour Shahram | director | Withheld for tax | 3,625 | 498,817 | Form 4 |
| 2026-02-18 | DiGiovanni Jeffrey | officer | Withheld for tax | 2,172 | 90,033 | Form 4 |
| 2026-02-17 | DiGiovanni Jeffrey | officer | Award / grant | 9,455 | 92,205 | Form 4 |
| 2026-02-17 | DiGiovanni Jeffrey | officer | Award / grant | 16,108 | 16,108 | Form 4 |
| 2026-02-17 | DiGiovanni Jeffrey | officer | Award / grant | 9,455 | 9,455 | Form 4 |
| 2026-02-17 | Askarpour Shahram | director | Award / grant | 20,171 | 502,442 | Form 4 |
| 2026-02-17 | Askarpour Shahram | director | Award / grant | 34,364 | 34,364 | Form 4 |
| 2026-02-17 | Askarpour Shahram | director | Award / grant | 20,171 | 20,171 | Form 4 |
| 2026-02-17 | Silfen Richard A | director | Award / grant | 1,890 | 1,890 | Form 4 |
| 2026-01-13 | DiGiovanni Jeffrey | officer | Withheld for tax | 868 | 82,750 | Form 4 |
| 2026-01-11 | Askarpour Shahram | director | Withheld for tax | 2,128 | 482,271 | Form 4 |
| 2025-12-31 | DiGiovanni Jeffrey | officer | Withheld for tax | 1,000 | 83,618 | Form 4 |
| 2025-11-20 | Askarpour Shahram | director | Option exercise | 201,000 | 0 | Form 4 |
| 2025-11-20 | Askarpour Shahram | director | Option exercise | 201,000 | 572,317 | Form 4 |
| 2025-11-20 | Askarpour Shahram | director | Option exercise | 201,000 | 572,317 | Form 4 |
| 2025-04-17 | Dean Garry C. | director | Award / grant | 13,536 | 23,790 | Form 4 |
| 2025-04-17 | Belland Stephen L | director | Award / grant | 13,536 | 36,941 | Form 4 |
| 2025-04-17 | BRESSNER GLEN R | director | Award / grant | 13,536 | 141,737 | Form 4 |
| 2025-04-17 | Carolin Roger Anthony | director | Award / grant | 13,536 | 77,570 | Form 4 |
| 2025-04-17 | Devine Denise L | director | Award / grant | 13,536 | 20,407 | Form 4 |
| 2025-02-18 | DiGiovanni Jeffrey | officer | Award / grant | 33,259 | 33,259 | Form 4 |
| 2025-02-18 | Askarpour Shahram | director | Award / grant | 72,062 | 72,062 | Form 4 |
| 2025-02-18 | DiGiovanni Jeffrey | officer | Award / grant | 17,462 | 84,618 | 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.