AMKRAmkor Technology, Inc.Technology · Semiconductorsas of 2026-09-16
Horizon

Issued 2026-09-16 at $46.28 · now $46.28 (2026-09-16, +0.0% since)

Based on its own history, a month from the 2026-09-16 close, AMKR has typically landed between $37.64 and $59.00 — a range of −18.7% to +27.5% from the issuance price $46.28.

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

5,003 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 ($46.28) — 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 AMKR has typically landed a month from the 2026-09-16 close of $46.28 — the range is history, not a prediction.

$37.64worst · -18.7%$59best · +27.5%
  • now $46.28 (+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). $46.53 (+0.5%)
  • middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $41.79–$51.27
  • 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $37.64–$59
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 5,003 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.
StartReturnMax dropMax rise
3 worst
2008-10-23−57.5%−57.5%+14.2%
2008-10-22−56.3%−56.3%+4.3%
2008-11-04−53.3%−61.6%+3.2%
3 best
2009-03-11+91.0%+0.0%+91.0%
2009-03-09+82.7%+0.0%+83.3%
2009-03-18+82.4%+0.0%+82.4%

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.
Jan
55%
+2.0%
n=20
Feb
50%
+5.7%
n=20
Mar
45%
+2.8%
n=20
Apr
50%
+3.8%
n=20
May
65%
+2.4%
n=20
Jun
55%
+3.4%
n=20
Jul
60%
−1.6%
n=20
Aug
35%
−0.8%
n=20
Sep
40%
−1.2%
n=20
Oct
50%
+4.1%
n=20
Nov
50%
+5.2%
n=20
Dec
55%
+2.1%
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.

Share price & reported tradesMonthly open-market valueReporting lag — trade date to filing date2026-092026-082026-072026-062026-052026-042026-032026-022026-012025-122025-112025-102025-092025-08$94$232026-09-08: 1 insider sale, $49K — Faust Megan2026-08-17: 1 insider sale, $299K — ROGERS MARK N2026-08-11: 1 insider sale, $54K — Faust Megan2026-08-07: 1 insider sale, $279K — ALEXANDER DOUGLAS A2026-08-06: 1 insider sale, $1.4M — Rutten Guillaume Marie Jean2026-08-05: 1 insider sale, $1.4M — Rutten Guillaume Marie Jean2026-07-30: 1 insider sale, $151K — Engel Kevin K.2026-07-16: 1 insider sale, $326K — ROGERS MARK N2026-07-14: 1 insider sale, $70K — Faust Megan2026-06-16: 1 insider sale, $431K — ROGERS MARK N2026-06-12: 1 insider sale, $391K — CHURCHILL WINSTON J2026-06-09: 1 insider sale, $70K — Faust Megan2026-05-19: 1 insider sale, $65K — Faust Megan2026-05-18: 1 insider sale, $358K — ROGERS MARK N2026-05-11: 1 insider sale, $1.2M — Tily Gil C.2026-05-08: 1 insider sale, $3.7M — Rutten Guillaume Marie Jean2026-05-05: 4 insider sales, $2.4M — Carolin Roger Anthony, CHURCHILL WINSTON J, ALEXANDER DOUGLAS A …2026-04-16: 1 insider sale, $297K — ROGERS MARK N2026-03-16: 1 insider sale, $223K — ROGERS MARK N2026-02-25: 1 insider sale, $789K — Haghighi Farshad2026-02-24: 2 insider sales, $1.6M — Rutten Guillaume Marie Jean, Engel Kevin K.2026-02-17: 3 insider sales, $938K — Rutten Guillaume Marie Jean, Engel Kevin K., ROGERS MARK N2026-02-12: 2 insider sales, $969.8M — 915 Investments, LP, KIM JOHN T2026-01-16: 1 insider sale, $246K — ROGERS MARK N2026-01-15: 1 insider sale, $531K — Rutten Guillaume Marie Jean2025-12-16: 1 insider sale, $859K — ROGERS MARK N2025-12-15: 2 insider sales, $669K — Rutten Guillaume Marie Jean, CHURCHILL WINSTON J2025-12-12: 3 insider sales, $2.4M — Tily Gil C., McCourt MaryFrances, Engel Kevin K.2025-11-17: 2 insider sales, $951K — ROGERS MARK N, Rutten Guillaume Marie Jean2025-08: 5 open-market purchases, $48.2M2025-08: 2 open-market sales, $19.3M2025-09: 2 open-market sales, $595K2025-10: 1 open-market sale, $307K2025-11: 2 open-market sales, $951K2025-12: 6 open-market sales, $3.9M2026-01: 2 open-market sales, $778K2026-02: 8 open-market sales, $973.1M2026-03: 1 open-market sale, $223K2026-04: 1 open-market sale, $297K2026-05: 8 open-market sales, $7.7M2026-06: 3 open-market sales, $892K2026-07: 3 open-market sales, $547K2026-08: 5 open-market sales, $3.4M2026-09: 1 open-market sale, $49K↑ buys↓ salesdirector Faust Megan — Sale on 2026-09-08, filed 2 days after the tradeofficer ROGERS MARK N — Sale on 2026-08-17, filed 2 days after the tradedirector Faust Megan — Sale on 2026-08-11, filed 2 days after the tradedirector ALEXANDER DOUGLAS A — Sale on 2026-08-07, filed 4 days after the tradedirector Rutten Guillaume Marie Jean — Sale on 2026-08-06, filed 1 day after the tradedirector Rutten Guillaume Marie Jean — Sale on 2026-08-05, filed 2 days after the tradedirector Engel Kevin K. — Sale on 2026-07-30, filed 1 day after the tradeofficer ROGERS MARK N — Sale on 2026-07-16, filed 4 days after the tradedirector Faust Megan — Sale on 2026-07-14, filed 2 days after the tradeofficer ROGERS MARK N — Sale on 2026-06-16, filed 2 days after the tradedirector CHURCHILL WINSTON J — Sale on 2026-06-12, filed 4 days after the tradedirector Faust Megan — Sale on 2026-06-09, filed 2 days after the tradedirector Faust Megan — Sale on 2026-05-19, filed 1 day after the tradeofficer ROGERS MARK N — Sale on 2026-05-18, filed 2 days after the tradedirector Tily Gil C. — Sale on 2026-05-11, filed 2 days after the tradedirector Rutten Guillaume Marie Jean — Sale on 2026-05-08, filed 4 days after the tradedirector Carolin Roger Anthony — Sale on 2026-05-05, filed 2 days after the tradedirector CHURCHILL WINSTON J — Sale on 2026-05-05, filed 2 days after the tradedirector ALEXANDER DOUGLAS A — Sale on 2026-05-05, filed 2 days after the tradedirector ALEXANDER DOUGLAS A — Sale on 2026-05-05, filed 2 days after the tradeofficer ROGERS MARK N — Sale on 2026-04-16, filed 4 days after the tradeofficer ROGERS MARK N — Sale on 2026-03-16, filed 2 days after the tradeofficer Haghighi Farshad — Sale on 2026-02-25, filed 1 day after the tradedirector Rutten Guillaume Marie Jean — Sale on 2026-02-24, filed 2 days after the tradedirector Engel Kevin K. — Sale on 2026-02-24, filed 2 days after the tradedirector Rutten Guillaume Marie Jean — Sale on 2026-02-17, filed 1 day after the tradedirector Engel Kevin K. — Sale on 2026-02-17, filed 1 day after the tradeofficer ROGERS MARK N — Sale on 2026-02-17, filed 1 day after the tradeother 915 Investments, LP — Sale on 2026-02-12, filed 5 days after the tradeother KIM JOHN T — Sale on 2026-02-12, filed 5 days after the tradeofficer ROGERS MARK N — Sale on 2026-01-16, filed 4 days after the tradedirector Rutten Guillaume Marie Jean — Sale on 2026-01-15, filed 5 days after the tradeofficer ROGERS MARK N — Sale on 2025-12-16, filed 1 day after the tradedirector Rutten Guillaume Marie Jean — Sale on 2025-12-15, filed 2 days after the tradedirector CHURCHILL WINSTON J — Sale on 2025-12-15, filed 2 days after the tradedirector Tily Gil C. — Sale on 2025-12-12, filed 4 days after the tradedirector McCourt MaryFrances — Sale on 2025-12-12, filed 4 days after the tradedirector Engel Kevin K. — Sale on 2025-12-12, filed 4 days after the tradeofficer ROGERS MARK N — Sale on 2025-11-17, filed 2 days after the tradedirector Rutten Guillaume Marie Jean — Sale on 2025-11-17, filed 2 days after the trade
DatePersonRoleActionShares @ priceValueOwnership Δvs S&P 1mvs S&P 6mOwned afterFiling
2026-09-08Faust MegandirectorSale1,000 @ $49.05$49K−0.7% of holdingnot yet — horizon still opennot yet — horizon still open134,105Form 4 · filed 2 days after the trade
2026-08-17ROGERS MARK NofficerSale5,000 @ $59.78$299K−11.4% of holding−22.1%not yet — horizon still open38,904Form 4 · filed 2 days after the trade
2026-08-11Faust MegandirectorSale1,000 @ $54.45$54K−0.7% of holding−7.1%not yet — horizon still open135,105Form 4 · filed 2 days after the trade
2026-08-07ALEXANDER DOUGLAS AdirectorSale5,000 @ $55.81$279K−14.7% of holding−7.3%not yet — horizon still open29,109Form 4 · filed 4 days after the trade
2026-08-06Rutten Guillaume Marie JeandirectorSale25,000 @ $54.50$1.4M−5.1% of holding−12.0%not yet — horizon still open461,732Form 4 · filed 1 day after the trade
2026-08-05Rutten Guillaume Marie JeandirectorSale25,000 @ $55.35$1.4M−4.9% of holding−13.3%not yet — horizon still open486,732Form 4 · filed 2 days after the trade
2026-07-30Engel Kevin K.directorSale3,221 @ $47.00$151K−25.0% of holding−4.5%not yet — horizon still open9,666Form 4 · filed 1 day after the trade
2026-07-16ROGERS MARK NofficerSale5,000 @ $65.12$326K−11.4% of holding−9.8%not yet — horizon still open38,904Form 4 · filed 4 days after the trade
2026-07-14Faust MegandirectorSale1,000 @ $69.91$70K−0.7% of holding−23.6%not yet — horizon still open136,105Form 4 · filed 2 days after the trade
2026-06-16ROGERS MARK NofficerSale5,000 @ $86.21$431K−11.4% of holding−26.6%not yet — horizon still open38,904Form 4 · filed 2 days after the trade
2026-06-12CHURCHILL WINSTON JdirectorSale5,000 @ $78.20$391K−14.8% of holding−20.3%not yet — horizon still open28,781Form 4 · filed 4 days after the trade
2026-06-09Faust MegandirectorSale1,000 @ $70.30$70K−0.8% of holding−3.3%not yet — horizon still open132,138Form 4 · filed 2 days after the trade
2026-05-19Faust MegandirectorSale1,000 @ $64.60$65K−0.7% of holding+36.1%not yet — horizon still open133,138Form 4 · filed 1 day after the trade
2026-05-18ROGERS MARK NofficerSale5,000 @ $71.63$358K−11.4% of holding+30.7%not yet — horizon still open38,904Form 4 · filed 2 days after the trade
2026-05-11Tily Gil C.directorSale15,000 @ $77.30$1.2M−12.1% of holding−7.2%not yet — horizon still open108,806Form 4 · filed 2 days after the trade
2026-05-08Rutten Guillaume Marie JeandirectorSale50,000 @ $74.28$3.7M−9.0% of holding−7.3%not yet — horizon still open502,558Form 4 · filed 4 days after the trade
2026-05-05Carolin Roger AnthonydirectorSale20,000 @ $76.24$1.5M−17.5% of holding−8.3%not yet — horizon still open94,409Form 4 · filed 2 days after the trade
2026-05-05CHURCHILL WINSTON JdirectorSale7,000 @ $76.45$535K−27.0% of holding−8.3%not yet — horizon still open18,888Form 4 · filed 2 days after the trade
2026-05-05ALEXANDER DOUGLAS AdirectorSale4,657 @ $76.58$357K−13.8% of holding−8.3%not yet — horizon still open29,109Form 4 · filed 2 days after the trade
2026-05-05ALEXANDER DOUGLAS AdirectorSale343 @ $76.58$26K−1.2% of holding−8.3%not yet — horizon still open29,109Form 4 · filed 2 days after the trade
2026-04-16ROGERS MARK NofficerSale5,000 @ $59.43$297K−11.4% of holding+6.5%not yet — horizon still open38,904Form 4 · filed 4 days after the trade
2026-03-16ROGERS MARK NofficerSale5,000 @ $44.54$223K−11.4% of holding+28.9%−9.8%38,904Form 4 · filed 2 days after the trade
2026-02-25Haghighi FarshadofficerSale15,624 @ $50.50$789K−65.2% of holding−4.5%−15.8%8,354Form 4 · filed 1 day after the trade
2026-02-24Rutten Guillaume Marie JeandirectorSale20,000 @ $48.80$976K−3.5% of holding+7.3%−11.4%543,866Form 4 · filed 2 days after the trade
2026-02-24Engel Kevin K.directorSale12,500 @ $48.75$609K−80.9% of holding+7.3%−11.4%2,953Form 4 · filed 2 days after the trade
2026-02-17Rutten Guillaume Marie JeandirectorSale10,000 @ $45.89$459K−2.9% of holding+3.4%+4.4%339,311Form 4 · filed 1 day after the trade
2026-02-17Engel Kevin K.directorSale5,316 @ $46.03$245K−87.1% of holding+3.4%+4.4%786Form 4 · filed 1 day after the trade
2026-02-17ROGERS MARK NofficerSale5,000 @ $46.92$235K−16.7% of holding+3.4%+4.4%24,922Form 4 · filed 1 day after the trade
2026-02-12915 Investments, LPotherSale10,000,000 @ $48.49$484.9M−25.3% of holding−11.5%+0.1%29,594,980Form 4 · filed 5 days after the trade
2026-02-12KIM JOHN TotherSale10,000,000 @ $48.49$484.9M−25.3% of holding−11.5%+0.1%29,594,980Form 4 · filed 5 days after the trade
2026-01-16ROGERS MARK NofficerSale5,000 @ $49.28$246K−17.3% of holding−1.9%+30.7%23,862Form 4 · filed 4 days after the trade
2026-01-15Rutten Guillaume Marie JeandirectorSale10,000 @ $53.14$531K−2.9% of holding−3.4%+19.8%335,391Form 4 · filed 5 days after the trade
2025-12-16ROGERS MARK NofficerSale20,000 @ $42.95$859K−45.6% of holding+17.0%+114.3%23,862Form 4 · filed 1 day after the trade
2025-12-15Rutten Guillaume Marie JeandirectorSale10,000 @ $44.80$448K−2.9% of holding+10.0%+88.0%336,699Form 4 · filed 2 days after the trade
2025-12-15CHURCHILL WINSTON JdirectorSale5,000 @ $44.29$221K−16.2% of holding+10.0%+88.0%25,888Form 4 · filed 2 days after the trade
2025-12-12Tily Gil C.directorSale20,000 @ $46.44$929K−13.9% of holding+8.3%+85.2%123,806Form 4 · filed 4 days after the trade
2025-12-12McCourt MaryFrancesdirectorSale20,000 @ $46.02$920K−26.3% of holding+8.3%+85.2%55,918Form 4 · filed 4 days after the trade
2025-12-12Engel Kevin K.directorSale11,000 @ $46.21$508K−96.9% of holding+8.3%+85.2%349Form 4 · filed 4 days after the trade
2025-11-17ROGERS MARK NofficerSale20,000 @ $31.69$634K−45.6% of holding+25.2%+110.6%23,862Form 4 · filed 2 days after the trade
2025-11-17Rutten Guillaume Marie JeandirectorSale10,000 @ $31.68$317K−2.8% of holding+25.2%+110.6%346,699Form 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.

260 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.

DatePersonRoleActionSharesOwned afterFiling
2026-08-17ROGERS MARK NofficerOption exercise5,00043,904Form 4
2026-08-17ROGERS MARK NofficerOption exercise5,00070,000Form 4
2026-08-07ALEXANDER DOUGLAS AdirectorOption exercise5,00034,109Form 4
2026-08-07ALEXANDER DOUGLAS AdirectorOption exercise5,00014,657Form 4
2026-07-30CHURCHILL WINSTON JdirectorGift10028,681Form 4
2026-07-20KIM JAMES JotherOption exercise250,000511,645Form 4
2026-07-20KIM AGNES CotherOption exercise250,00011,187,355Form 4
2026-07-20KIM AGNES CotherOption exercise200,00010,937,355Form 4
2026-07-20KIM JAMES JotherOption exercise200,000261,645Form 4
2026-07-20KIM JAMES JotherOption exercise250,0000Form 4
2026-07-20KIM JAMES JotherOption exercise200,0000Form 4
2026-07-16ROGERS MARK NofficerOption exercise5,00043,904Form 4
2026-07-16ROGERS MARK NofficerOption exercise5,00075,000Form 4
2026-06-30Faust MegandirectorWithheld for tax3,725137,105Form 4
2026-06-30Engel Kevin K.directorWithheld for tax3,72512,887Form 4
2026-06-30Faust MegandirectorOption exercise8,6920Form 4
2026-06-30Engel Kevin K.directorOption exercise8,69216,612Form 4
2026-06-30Engel Kevin K.directorOption exercise8,6920Form 4
2026-06-30Rutten Guillaume Marie JeandirectorOption exercise8,6920Form 4
2026-06-30Rutten Guillaume Marie JeandirectorOption exercise8,692511,732Form 4
2026-06-30Faust MegandirectorOption exercise8,692140,830Form 4
2026-06-23WATSON DAVID NdirectorAward / grant32,616Form 4
2026-06-23ALEXANDER DOUGLAS AdirectorAward / grant89,247Form 4
2026-06-23ALEXANDER DOUGLAS AdirectorAward / grant88,904Form 4
2026-06-23ALEXANDER DOUGLAS AdirectorAward / grant99,902Form 4
2026-06-23ALEXANDER DOUGLAS AdirectorAward / grant32,616Form 4
2026-06-23Carolin Roger AnthonydirectorAward / grant88,904Form 4
2026-06-23Carolin Roger AnthonydirectorAward / grant99,902Form 4
2026-06-23Carolin Roger AnthonydirectorAward / grant32,616Form 4
2026-06-23CHURCHILL WINSTON JdirectorAward / grant32,616Form 4
2026-06-23Liao Daniel JLdirectorAward / grant99,902Form 4
2026-06-23Liao Daniel JLdirectorAward / grant32,616Form 4
2026-06-23McCourt MaryFrancesdirectorAward / grant88,904Form 4
2026-06-23McCourt MaryFrancesdirectorAward / grant32,616Form 4
2026-06-23Morse Robert RandolphdirectorAward / grant88,904Form 4
2026-06-23Morse Robert RandolphdirectorAward / grant99,902Form 4
2026-06-23Morse Robert RandolphdirectorAward / grant32,616Form 4
2026-06-23Rutten Guillaume Marie JeandirectorAward / grant32,616Form 4
2026-06-23Tily Gil C.directorAward / grant32,616Form 4
2026-06-23KIM SUSAN YdirectorAward / grant32,616Form 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.