Issued 2026-09-16 at $33.02 · now $33.02 (2026-09-16, +0.0% since)
Based on its own history, a month from the 2026-09-16 close, ALGM has typically landed between $26.02 and $42.71 — a range of −21.2% to +29.3% from the issuance price $33.02.
- Actual close
- Typical path (median)
- Middle 50% of outcomes
- 90% range
1,455 overlapping 1 month windows · 2020-10-29 – 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 ($33.02) — 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 ALGM has typically landed a month from the 2026-09-16 close of $33.02 — the range is history, not a prediction.
- now $33.02 (+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). $33.15 (+0.4%)
- middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $29.88–$36.43
- 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $26.02–$42.71
| Start | Return | Max drop | Max rise |
|---|---|---|---|
| 3 worst | |||
| 2026-06-30 | −40.5% | −40.5% | +0.0% |
| 2025-03-20 | −38.4% | −38.4% | +1.3% |
| 2025-03-21 | −36.9% | −37.8% | +2.3% |
| 3 best | |||
| 2025-04-21 | +64.9% | +0.0% | +66.4% |
| 2026-03-30 | +57.2% | +0.0% | +57.4% |
| 2025-04-22 | +56.7% | +0.0% | +64.0% |
1,455 overlapping windows · 2020-10-29 – 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-17 | Raubacher Jennie | director | Sale | 1,000 @ $45.32 | $45K | −6.7% of holding | −23.0% | not yet — horizon still open | 13,976 | Form 4 · filed 1 day after the trade |
| 2026-08-10 | Hagen Erin | officer | Sale | 2,285 @ $44.39 | $101K | −6.9% of holding | −14.2% | not yet — horizon still open | 31,052 | Form 4 · filed 2 days after the trade |
| 2026-06-03 | Madormo Richard | officer | Sale | 5,000 @ $52.72 | $264K | −6.7% of holding | +6.6% | not yet — horizon still open | 69,687 | Form 4 · filed 1 day after the trade |
| 2026-05-22 | Coleman Troy | officer | Sale | 4,500 @ $45.72 | $206K | −5.5% of holding | +22.0% | not yet — horizon still open | 77,476 | Form 4 · filed 4 days after the trade |
| 2026-05-21 | Webster Roald Graham | officer | Sale | 5,217 @ $44.88 | $234K | −28.5% of holding | +25.2% | not yet — horizon still open | 13,106 | Form 4 · filed 1 day after the trade |
| 2026-05-18 | Kent Ian | officer | Sale | 2,642 @ $41.56 | $110K | −9.4% of holding | +30.2% | not yet — horizon still open | 25,392 | Form 4 · filed 1 day after the trade |
| 2026-05-14 | Lynch Susan D | director | Sale | 16,711 @ $45.46 | $760K | −56.6% of holding | +21.4% | not yet — horizon still open | 12,805 | Form 4 · filed 1 day after the trade |
| 2026-05-11 | Doogue Michael | director | Sale | 30,089 @ $47.23 | $1.4M | −10.6% of holding | −6.1% | not yet — horizon still open | 252,797 | Form 4 · filed 2 days after the trade |
| 2026-05-11 | Briansky Sharon | officer | Sale | 8,948 @ $47.54 | $425K | −10.6% of holding | −6.1% | not yet — horizon still open | 75,232 | Form 4 · filed 2 days after the trade |
| 2026-03-02 | Briansky Sharon | officer | Sale | 9,727 @ $35.00 | $340K | −10.4% of holding | −8.8% | −13.3% | 84,180 | Form 4 · filed 1 day after the trade |
| 2026-03-02 | Hagen Erin | officer | Sale | 2,598 @ $35.00 | $91K | −7.9% of holding | −8.8% | −13.3% | 30,094 | Form 4 · filed 1 day after the trade |
| 2026-02-17 | Briansky Sharon | officer | Sale | 9,258 @ $41.56 | $385K | −8.2% of holding | −21.3% | −18.5% | 103,014 | Form 4 · filed 1 day after the trade |
| 2025-12-10 | Briansky Sharon | officer | Sale | 27,873 @ $30.00 | $836K | −18.7% of holding | +1.7% | +63.7% | 121,263 | Form 4 · filed 2 days after the trade |
| 2025-08-22 | Webster Roald Graham | officer | Sale | 8,266 @ $32.81 | $271K | −32.3% of holding | −5.3% | +14.4% | 17,300 | Form 4 · filed 3 days after the trade |
| 2025-08-12 | Lury Richard R. | director | Sale | 7,000 @ $31.81 | $223K | −27.1% of holding | −8.3% | +26.0% | 18,857 | Form 4 · filed 1 day after the trade |
| 2025-08-04 | Hagen Erin | officer | Sale | 5,043 @ $31.18 | $157K | −12.7% of holding | −7.2% | +13.7% | 34,688 | Form 4 · filed 1 day after the trade |
| 2025-06-11 | Lury Richard R. | director | Sale | 3,100 @ $30.45 | $94K | −13.5% of holding | +17.6% | −17.6% | 19,925 | Form 4 · filed 1 day after the trade |
| 2025-06-04 | Lury Richard R. | director | Sale | 6,849 @ $27.60 | $189K | −22.9% of holding | +21.9% | −12.2% | 23,025 | 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.
64 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 |
|---|---|---|---|---|---|---|
| 2026-08-05 | WHITE BRIAN C | director | Award / grant | 4,251 | 4,251 | Form 4 |
| 2026-08-05 | Raubacher Jennie | director | Award / grant | 4,251 | 4,251 | Form 4 |
| 2026-08-05 | Palepu Krishna G. | director | Award / grant | 4,251 | 14,212 | Form 4 |
| 2026-08-05 | PUMA MARY G | director | Award / grant | 4,251 | 21,734 | Form 4 |
| 2026-08-05 | MARTIN JOSEPH R | director | Award / grant | 4,251 | 39,430 | Form 4 |
| 2026-08-05 | Suzuki Yoshihiro | director | Award / grant | 4,251 | 217,811 | Form 4 |
| 2026-08-05 | Willett Robert | director | Award / grant | 4,251 | 4,251 | Form 4 |
| 2026-06-17 | WHITE BRIAN C | director | Award / grant | 594 | 594 | Form 4 |
| 2026-05-16 | Doogue Michael | director | Withheld for tax | 60,508 | 279,076 | Form 4 |
| 2026-05-16 | D'Antilio Derek | officer | Withheld for tax | 37,840 | 238,813 | Form 4 |
| 2026-05-16 | Briansky Sharon | officer | Withheld for tax | 13,942 | 79,753 | Form 4 |
| 2026-05-16 | Coleman Troy | officer | Withheld for tax | 9,670 | 81,976 | Form 4 |
| 2026-05-16 | Hagen Erin | officer | Withheld for tax | 5,815 | 33,337 | Form 4 |
| 2026-05-16 | Madormo Richard | officer | Withheld for tax | 5,439 | 74,687 | Form 4 |
| 2026-05-16 | Webster Roald Graham | officer | Withheld for tax | 4,277 | 18,323 | Form 4 |
| 2026-05-16 | Kent Ian | officer | Withheld for tax | 2,345 | 28,034 | Form 4 |
| 2026-05-13 | Kent Ian | officer | Award / grant | 8,492 | 30,379 | Form 4 |
| 2026-05-13 | Webster Roald Graham | officer | Award / grant | 4,756 | 22,056 | Form 4 |
| 2026-05-13 | D'Antilio Derek | officer | Award / grant | 29,439 | 246,215 | Form 4 |
| 2026-05-13 | D'Antilio Derek | officer | Award / grant | 30,438 | 276,653 | Form 4 |
| 2026-05-13 | Willett Robert | director | Award / grant | 1,094 | 1,094 | Form 4 |
| 2026-05-13 | Webster Roald Graham | officer | Award / grant | 544 | 22,600 | Form 4 |
| 2026-05-13 | Doogue Michael | director | Award / grant | 77,135 | 255,884 | Form 4 |
| 2026-05-13 | Doogue Michael | director | Award / grant | 83,700 | 339,584 | Form 4 |
| 2026-05-13 | Coleman Troy | officer | Award / grant | 18,116 | 91,646 | Form 4 |
| 2026-05-13 | Briansky Sharon | officer | Award / grant | 15,852 | 91,084 | Form 4 |
| 2026-05-13 | Briansky Sharon | officer | Award / grant | 2,611 | 93,695 | Form 4 |
| 2026-05-13 | Hagen Erin | officer | Award / grant | 9,058 | 39,152 | Form 4 |
| 2026-05-13 | Madormo Richard | officer | Award / grant | 19,815 | 80,126 | Form 4 |
| 2026-03-24 | Madormo Richard | officer | Disposition | 6,498 | 60,311 | Form 4 |
| 2026-02-27 | D'Antilio Derek | officer | Withheld for tax | 9,995 | 216,776 | Form 4 |
| 2026-02-27 | Briansky Sharon | officer | Withheld for tax | 9,107 | 93,907 | Form 4 |
| 2026-02-27 | Hagen Erin | officer | Withheld for tax | 1,996 | 32,692 | Form 4 |
| 2026-02-13 | D'Antilio Derek | officer | Withheld for tax | 17,808 | 226,771 | Form 4 |
| 2026-02-13 | Briansky Sharon | officer | Withheld for tax | 8,991 | 112,272 | Form 4 |
| 2026-02-02 | Kent Ian | officer | Award / grant | 9,183 | 21,887 | Form 4 |
| 2025-11-11 | Coleman Troy | officer | Award / grant | 73,530 | 73,530 | Form 4 |
| 2025-08-07 | Raubacher Jennie | director | Award / grant | 5,932 | 14,976 | Form 4 |
| 2025-08-07 | Lury Richard R. | director | Award / grant | 5,932 | 25,857 | Form 4 |
| 2025-08-07 | Lynch Susan D | director | Award / grant | 5,932 | 29,516 | 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.