ACLS · TickerCove

ACLSAxcelis Technologies, Inc.Technology · Semiconductorsas of 2026-09-16

Horizon

Issued 2026-09-16 at $103.75 · now $103.75 (2026-09-16, +0.0% since)

Based on its own history, a month from the 2026-09-16 close, ACLS has typically landed between $82.85 and $133.50 — a range of −20.1% to +28.7% from the issuance price $103.75.

Range of outcomes in historically similar periods — not a price prediction. Ranges are scored publicly on /methodology.

Actual close
Typical path (median)
Middle 50% of outcomes
90% range

5,000 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 ($103.75) — 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.

52-week range$103.75 · 25% of range

$74.12 low$191.6 high

Trailing 52 weeks to 2026-09-16 — factual context, not a signal.

Base rate up · monthiClimatology base rate that a US-listed stock rises over a month, with its 90% CI and ≈1,408 effective observations. Not a call on this stock — we have no evidence its odds differ.

53.9%

90% CI 51.7%–56.1%

Distribution · month iiThe price-anchored range: typical move (median), and the p90 downside/upside — 90% of similar periods stayed inside these. Ranges, not a prediction of direction.

+0.7%

typical move · IQR 21.2%

−20.1%worst (p90)+28.7%best (p90)

Insider convictioniOpen-market common-stock purchases by company insiders in the last 90 days (grants and option exercises excluded). Historical tendency, not advice — detail below.

conviction buys

0 open-market sales

Congress disclosuresiRecent disclosed congressional trades for this company. Purchase clusters (≥2 members buying within 90 days) historically preceded a modestly higher forward return (+32 bp/mo in 2022–2026, +45 bp/mo in 2015–2021) — a descriptive tendency, not a forecast input. Detail below.

0 buys · 0 sells · 0 members

cluster tilt persisted, ~halved after 2021

Where ACLS has typically landed a month from the 2026-09-16 close of $103.75 — the range is history, not a prediction.

now $103.75 (+0.0%)
typical $104.43 (+0.7%)
middle 50% $93.44–$115.42
90% range $82.85–$133.5

Actual 1-month windows behind the coneiEvery overlapping 1-month window in this security's own price history was ranked by realized return; shown are the 3 worst and 3 best of 5,000 windows spanning 2006-09-26 to 2026-09-16. Not cherry-picked — these are the extremes of the full sample. Max drop / max rise are the deepest and highest points reached within each window. See /methodology.

Start	Return	Max drop	Max rise
3 worst
2008-09-09	−82.8%	−82.8%	+0.7%
2008-09-10	−82.7%	−83.0%	+0.0%
2008-09-12	−81.6%	−82.3%	+0.0%
3 best
2007-05-25	+321.3%	−3.4%	+323.2%
2007-05-29	+319.1%	−4.8%	+319.1%
2007-05-22	+314.5%	−5.4%	+314.5%

5,000 overlapping windows · 2006-09-26 – 2026-09-16 · not cherry-picked

Seasonality · by month i

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.

Jan

60%

+2.3%

n=20

Feb

50%

+1.6%

n=20

Mar

60%

+2.3%

n=20

Apr

55%

+1.8%

n=20

May

55%

+3.2%

n=20

Jun

55%

+17.9%

n=20

Jul

55%

+0.6%

n=20

Aug

35%

+0.1%

n=20

Sep

40%

+2.4%

n=20

Oct

50%

−4.8%

n=20

Nov

60%

+7.1%

n=20

Dec

55%

+6.6%

n=20

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
2026-06-03	Sayiner Necip	director	Sale	1,586 @ $157.44	$250K	−18.2% of holding	−11.9%	not yet — horizon still open	7,112	Form 4 · filed 1 day after the trade
2026-06-02	Mahoney Robert John	officer	Sale	1,155 @ $155.24	$179K	−7.4% of holding	−7.3%	not yet — horizon still open	14,410	Form 4 · filed 1 day after the trade
2026-05-27	Sutton Todd	officer	Sale	2,000 @ $159.99	$320K	−23.9% of holding	+12.3%	not yet — horizon still open	6,360	Form 4 · filed 1 day after the trade
2026-05-22	Evans Eileen	officer	Sale	926 @ $155.51	$144K	−2.9% of holding	+9.0%	not yet — horizon still open	31,295	Form 4 · filed same day
2026-05-22	St Dennis Thomas	director	Sale	900 @ $155.37	$140K	−4.8% of holding	+9.0%	not yet — horizon still open	17,695	Form 4 · filed 4 days after the trade
2026-05-21	Blumenstock Gerald M	officer	Sale	1,161 @ $152.70	$177K	−5.4% of holding	+13.1%	not yet — horizon still open	20,493	Form 4 · filed 1 day after the trade
2026-05-20	Tatnall Christopher	officer	Sale	1,166 @ $149.75	$175K	−4.0% of holding	+22.3%	not yet — horizon still open	27,627	Form 4 · filed 1 day after the trade
2026-05-19	KURTZWEIL JOHN T	director	Sale	3,500 @ $138.79	$486K	−9.6% of holding	+28.9%	not yet — horizon still open	32,990	Form 4 · filed 1 day after the trade
2026-05-19	GRAVES GREGORY B	director	Sale	2,625 @ $141.41	$371K	−30.2% of holding	+28.9%	not yet — horizon still open	6,073	Form 4 · filed 1 day after the trade
2026-05-19	Quirk Jeanne	director	Sale	1,789 @ $140.22	$251K	−13.6% of holding	+28.9%	not yet — horizon still open	11,400	Form 4 · filed 1 day after the trade
2026-05-19	GRAVES GREGORY B	director	Sale	600 @ $142.51	$86K	−9.9% of holding	+28.9%	not yet — horizon still open	5,473	Form 4 · filed 1 day after the trade
2026-05-14	Sutton Todd	officer	Sale	2,574 @ $163.89	$422K	−24.8% of holding	+17.6%	not yet — horizon still open	7,817	Form 4 · filed 1 day after the trade
2026-05-14	Blumenstock Gerald M	officer	Sale	1,015 @ $162.31	$165K	−5.5% of holding	+17.6%	not yet — horizon still open	17,293	Form 4 · filed 1 day after the trade
2026-05-13	Redinbo Greg	officer	Sale	2,883 @ $160.85	$464K	−8.8% of holding	+11.2%	not yet — horizon still open	29,823	Form 4 · filed 1 day after the trade
2026-05-13	Titinger Jorge	director	Sale	2,000 @ $164.14	$328K	−30.9% of holding	+11.2%	not yet — horizon still open	4,477	Form 4 · filed 1 day after the trade
2026-05-12	Mahoney Robert John	officer	Sale	2,258 @ $161.00	$364K	−15.0% of holding	+7.4%	not yet — horizon still open	12,759	Form 4 · filed 1 day after the trade
2026-05-06	Low Russell	director	Sale	7,468 @ $156.75	$1.2M	−5.7% of holding	−14.4%	not yet — horizon still open	123,570	Form 4 · filed 1 day after the trade
2026-05-01	Low Russell	director	Sale	1,244 @ $138.86	$173K	−0.9% of holding	+8.0%	not yet — horizon still open	131,038	Form 4 · filed 3 days after the trade
2026-04-01	Low Russell	director	Sale	1,244 @ $94.06	$117K	−0.9% of holding	+36.6%	not yet — horizon still open	132,282	Form 4 · filed 1 day after the trade
2026-03-24	Low Russell	director	Sale	1,244 @ $90.00	$112K	−0.9% of holding	+39.7%	not yet — horizon still open	133,526	Form 4 · filed 2 days after the trade
2026-02-20	Titinger Jorge	director	Sale	1,000 @ $80.00	$80K	−13.4% of holding	+11.7%	+46.9%	6,477	Form 4 · filed 3 days after the trade
2025-12-17	Titinger Jorge	director	Sale	2,000 @ $86.05	$172K	−21.1% of holding	+6.8%	+113.5%	7,477	Form 4 · filed 1 day after the trade
2025-12-11	Blumenstock Gerald M	officer	Sale	3,034 @ $89.46	$271K	−14.0% of holding	+8.0%	+104.9%	18,661	Form 4 · filed 1 day after the trade
2025-05-20	KURTZWEIL JOHN T	director	Sale	1,682 @ $61.93	$104K	−4.6% of holding	+5.2%	+12.4%	35,050	Form 4 · filed 1 day 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.

107 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	Redinbo Greg	officer	Withheld for tax	208	34,816	Form 4
2026-09-15	Tatnall Christopher	officer	Withheld for tax	136	27,491	Form 4
2026-07-15	Ryzhik David	officer	Withheld for tax	127	9,884	Form 4
2026-07-15	Ryzhik David	officer	Withheld for tax	94	9,790	Form 4
2026-06-16	Ryzhik David	officer	Withheld for tax	76	9,955	Form 4
2026-06-15	Blumenstock Gerald M	officer	Withheld for tax	506	19,987	Form 4
2026-05-18	Low Russell	director	Withheld for tax	711	154,900	Form 4
2026-05-18	Sutton Todd	officer	Withheld for tax	184	8,360	Form 4
2026-05-18	Mahoney Robert John	officer	Withheld for tax	182	15,695	Form 4
2026-05-18	Mahoney Robert John	officer	Withheld for tax	130	15,565	Form 4
2026-05-18	Redinbo Greg	officer	Withheld for tax	111	35,103	Form 4
2026-05-18	Redinbo Greg	officer	Withheld for tax	79	35,024	Form 4
2026-05-15	Low Russell	director	Withheld for tax	3,716	158,786	Form 4
2026-05-15	Low Russell	director	Withheld for tax	1,722	157,064	Form 4
2026-05-15	Low Russell	director	Withheld for tax	1,453	155,611	Form 4
2026-05-15	Evans Eileen	officer	Withheld for tax	867	32,221	Form 4
2026-05-15	Tatnall Christopher	officer	Withheld for tax	744	29,308	Form 4
2026-05-15	Blumenstock Gerald M	officer	Withheld for tax	744	21,999	Form 4
2026-05-15	Redinbo Greg	officer	Withheld for tax	452	35,601	Form 4
2026-05-15	Mahoney Robert John	officer	Withheld for tax	372	16,281	Form 4
2026-05-15	Tatnall Christopher	officer	Withheld for tax	345	28,963	Form 4
2026-05-15	Blumenstock Gerald M	officer	Withheld for tax	345	21,654	Form 4
2026-05-15	Ryzhik David	officer	Withheld for tax	226	10,031	Form 4
2026-05-15	Sutton Todd	officer	Withheld for tax	226	8,759	Form 4
2026-05-15	Redinbo Greg	officer	Withheld for tax	210	35,391	Form 4
2026-05-15	Redinbo Greg	officer	Withheld for tax	177	35,214	Form 4
2026-05-15	Mahoney Robert John	officer	Withheld for tax	173	16,108	Form 4
2026-05-15	Mahoney Robert John	officer	Withheld for tax	170	15,938	Form 4
2026-05-15	Tatnall Christopher	officer	Withheld for tax	170	28,793	Form 4
2026-05-15	Sutton Todd	officer	Withheld for tax	112	8,647	Form 4
2026-05-15	Sutton Todd	officer	Withheld for tax	103	8,544	Form 4
2026-05-15	Mahoney Robert John	officer	Withheld for tax	61	15,877	Form 4
2026-05-15	KURTZWEIL JOHN T	director	Award / grant	1,440	36,490	Form 4
2026-05-15	Titinger Jorge	director	Award / grant	1,440	5,917	Form 4
2026-05-15	Sayiner Necip	director	Award / grant	1,440	8,698	Form 4
2026-05-15	Low Russell	director	Award / grant	19,466	143,036	Form 4
2026-05-15	Low Russell	director	Award / grant	19,466	162,502	Form 4
2026-05-15	Evans Eileen	officer	Award / grant	3,893	29,195	Form 4
2026-05-15	Evans Eileen	officer	Award / grant	3,893	33,088	Form 4
2026-05-15	Redinbo Greg	officer	Award / grant	3,115	32,938	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.

Resolves in i

28d remaining

2026-09-173% elapsed2026-10-15

Logged immutably 2026-09-17; scored automatically on 2026-10-15 — no edits, ever.

Earnings & context analysis

These panels are being prepared. They are generated by multiple language models, checked, and stored before display — never written live for a page view. Until a model panel has been generated and reviewed for a company, nothing is shown here, honestly, rather than a placeholder.

Calibration i

Every forecast is logged when made and scored when the month is up. The record is shown from the day it starts — young and honest.

How scoring works →

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.

Seasonality · by month iHow this security has tended to do in each calendar month historically — a frequency, never a prediction.

Reported insider & political trades

Congressional disclosures

Seasonality · by month i