Issued 2026-09-16 at $37.70 · now $34.30 (2026-09-17, −9.0% since)
Based on its own history, a month from the 2026-09-16 close, ASTH has typically landed between $27.53 and $48.54 — a range of −27.0% to +28.8% from the issuance price $37.70.
- Actual close
- Typical path (median)
- Middle 50% of outcomes
- 90% range
4,367 overlapping 1 month windows · 2009-03-11 – 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 ($37.70) — 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 ASTH has typically landed a month from the 2026-09-16 close of $37.7 — the range is history, not a prediction.
- now $34.3 (-9.0%)
- 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). $37.58 (-0.3%)
- middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $33.04–$42.13
- 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $27.53–$48.54
| Start | Return | Max drop | Max rise |
|---|---|---|---|
| 3 worst | |||
| 2009-06-17 | −99.4% | −99.4% | +0.0% |
| 2009-06-18 | −99.4% | −99.4% | +0.0% |
| 2009-06-19 | −99.4% | −99.4% | +0.0% |
| 3 best | |||
| 2009-04-09 | +750.0% | +0.0% | +750.0% |
| 2009-04-08 | +750.0% | +0.0% | +750.0% |
| 2009-04-07 | +750.0% | +0.0% | +750.0% |
4,368 overlapping windows · 2009-03-11 – 2026-09-17 · 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 ~18 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 |
|---|
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.
106 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 |
|---|---|---|---|---|---|---|
| 2026-09-15 | Vong John | officer | Withheld for tax | 96 | 22,330 | Form 4 |
| 2026-09-05 | Sim Brandon | officer | Withheld for tax | 7,163 | 1,238,861 | Form 4 |
| 2026-09-05 | Basho Chandan | officer | Withheld for tax | 1,790 | 157,820 | Form 4 |
| 2026-08-31 | Kitayama Mitchell W | director | Disposition | 8,500 | 24,337 | Form 4 |
| 2026-08-14 | Schmidt David | director | Disposition | 20,000 | 36,019 | Form 4 |
| 2026-08-14 | Schmidt David | director | Option exercise | 20,000 | 56,019 | Form 4 |
| 2026-08-14 | Schmidt David | director | Option exercise | 20,000 | 0 | Form 4 |
| 2026-08-07 | Sobotka Glenn | officer | Disposition | 11,793 | 2,246 | Form 4 |
| 2026-06-27 | Sim Brandon | officer | Withheld for tax | 1,093 | 1,245,292 | Form 4 |
| 2026-06-10 | Mazdyasni Matthew | director | Award / grant | 4,525 | 39,288 | Form 4 |
| 2026-06-10 | Schmidt David | director | Award / grant | 4,525 | 36,019 | Form 4 |
| 2026-06-10 | Dong Linda | director | Award / grant | 4,525 | 97,133 | Form 4 |
| 2026-06-10 | Kitayama Mitchell W | director | Award / grant | 4,991 | 32,837 | Form 4 |
| 2026-06-10 | Dai, Weili | director | Award / grant | 4,525 | 18,188 | Form 4 |
| 2026-06-10 | Chiang John | director | Award / grant | 4,525 | 35,373 | Form 4 |
| 2026-05-16 | Basho Chandan | officer | Withheld for tax | 8,155 | 159,610 | Form 4 |
| 2026-04-14 | Basho Chandan | officer | Withheld for tax | 3,870 | 167,765 | Form 4 |
| 2026-04-06 | Sim Kenneth T. | director | Award / grant | 100,000 | 739,407 | Form 4 |
| 2026-04-06 | Lam Thomas S. | director | Award / grant | 41,667 | 465,657 | Form 4 |
| 2026-04-06 | Sim Brandon | officer | Award / grant | 201,056 | 1,246,385 | Form 4 |
| 2026-04-02 | Basho Chandan | officer | Withheld for tax | 2,092 | 171,635 | Form 4 |
| 2026-04-01 | Kumar Dinesh M. | officer | Withheld for tax | 57,980 | 177,655 | Form 4 |
| 2026-04-01 | Kumar Dinesh M. | officer | Award / grant | 35,300 | 235,635 | Form 4 |
| 2026-03-26 | Sobotka Glenn | officer | Withheld for tax | 662 | 14,039 | Form 4 |
| 2026-03-05 | Lam Thomas S. | director | Withheld for tax | 9,266 | 423,990 | Form 4 |
| 2026-03-05 | Kumar Dinesh M. | officer | Withheld for tax | 1,697 | 200,335 | Form 4 |
| 2026-03-05 | Basho Chandan | officer | Withheld for tax | 1,240 | 173,727 | Form 4 |
| 2026-02-02 | Sim Brandon | officer | Option exercise | 21,334 | 1,045,329 | Form 4 |
| 2026-02-02 | Sim Brandon | officer | Option exercise | 21,334 | 0 | Form 4 |
| 2026-01-23 | Kumar Dinesh M. | officer | Withheld for tax | 10,759 | 202,032 | Form 4 |
| 2026-01-13 | Schmidt David | director | Option exercise | 20,000 | 35,763 | Form 4 |
| 2026-01-13 | Schmidt David | director | Withheld for tax | 4,269 | 31,494 | Form 4 |
| 2026-01-13 | Schmidt David | director | Option exercise | 20,000 | 0 | Form 4 |
| 2026-01-01 | Kumar Dinesh M. | officer | Withheld for tax | 5,102 | 212,791 | Form 4 |
| 2025-12-08 | Lam Thomas S. | director | Withheld for tax | 25,866 | 433,256 | Form 4 |
| 2025-12-08 | Lam Thomas S. | director | Option exercise | 29,502 | 459,122 | Form 4 |
| 2025-12-08 | Lam Thomas S. | director | Option exercise | 29,502 | 0 | Form 4 |
| 2025-11-10 | Sim Kenneth T. | director | Option exercise | 29,502 | 639,407 | Form 4 |
| 2025-11-10 | Mazdyasni Matthew | director | Option exercise | 20,000 | 34,763 | Form 4 |
| 2025-11-10 | Sim Kenneth T. | director | Option exercise | 29,502 | 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.