GRALGRAIL Inc.Healthcare · Biotechnologyas of 2026-09-16
Horizon

Issued 2026-09-16 at $75.11 · now $75.11 (2026-09-16, +0.0% since)

Based on its own history, a month from the 2026-09-16 close, GRAL has typically landed between $54.56 and $124.01 — a range of −27.4% to +65.1% from the issuance price $75.11.

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

546 overlapping 1 month windows · 2024-06-122026-08-17 · basis climatology · forecast (batch). Probability up 53.9% (90% CI 51.756.1%, ≈1,408 obs).

The cone is anchored at the 2026-09-16 issuance close ($75.11) — 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 GRAL has typically landed a month from the 2026-09-16 close of $75.11 — the range is history, not a prediction.

$54.56worst · -27.4%$124.01best · +65.1%
  • now $75.11 (+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). $80.4 (+7.0%)
  • middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $69.35$91.45
  • 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $54.56$124.01
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 546 windows spanning 2024-06-12 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
2026-01-22−62.9%−62.9%+0.0%
2026-02-10−57.2%−58.5%+0.0%
2026-02-11−57.1%−57.1%+1.9%
3 best
2025-01-15+213.0%−1.0%+213.0%
2025-01-17+202.0%+0.0%+215.8%
2025-01-14+190.5%−3.8%+190.5%

546 overlapping windows · 2024-06-122026-09-16 · 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 ~3 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
100%
+42.0%
n=2
Feb
50%
−9.1%
n=2
Mar
0%
−18.3%
n=2
Apr
100%
+20.2%
n=2
May
100%
+21.5%
n=2
Jun
50%
+14.6%
n=2
Jul
67%
−11.0%
n=3
Aug
33%
+1.1%
n=3
Sep
33%
+24.2%
n=3
Oct
50%
+27.0%
n=2
Nov
100%
+24.5%
n=2
Dec
50%
−10.2%
n=2

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$116$312026-08-27: 2 insider sales, $1.1M — Freidin Aaron, Ofman Joshua J.2026-06-04: 1 insider sale, $91K — Partridge Andrew John2026-04-08: 3 insider sales, $11.5M — RAGUSA ROBERT P, Ofman Joshua J., Freidin Aaron2026-03-09: 6 insider sales, $617K — RAGUSA ROBERT P, Ofman Joshua J., Freidin Aaron …2026-03-05: 3 insider sales, $123K — RAGUSA ROBERT P, Ofman Joshua J., Freidin Aaron2026-03-02: 6 insider sales, $3.2M — RAGUSA ROBERT P, Ofman Joshua J., Freidin Aaron …2025-12-03: 6 insider sales, $7.6M — Freidin Aaron, RAGUSA ROBERT P, Ofman Joshua J. …2025-11-17: 2 insider sales, $80.0M — ILLUMINA, INC., Freidin Aaron2025-10-16: 1 insider sale, $501K — Ofman Joshua J.2025-10-15: 2 insider sales, $1.2M — Ofman Joshua J., RAGUSA ROBERT P2025-10-06: 1 insider sale, $5.1M — Ofman Joshua J.2025-10-02: 1 insider sale, $620K — Ofman Joshua J.2025-08-19: 2 insider sales, $163K — Ofman Joshua J., Freidin Aaron2025-08: 2 open-market sales, $163K2025-10: 5 open-market sales, $7.4M2025-11: 2 open-market sales, $80.0M2025-12: 6 open-market sales, $7.6M2026-03: 15 open-market sales, $4.0M2026-04: 3 open-market sales, $11.5M2026-06: 1 open-market sale, $91K2026-08: 2 open-market sales, $1.1M↑ buys↓ salesofficer Freidin Aaron — Sale on 2026-08-27, filed 4 days after the tradedirector Ofman Joshua J. — Sale on 2026-08-27, filed 4 days after the tradeofficer Partridge Andrew John — Sale on 2026-06-04, filed 1 day after the tradedirector RAGUSA ROBERT P — Sale on 2026-04-08, filed 1 day after the tradedirector Ofman Joshua J. — Sale on 2026-04-08, filed 1 day after the tradeofficer Freidin Aaron — Sale on 2026-04-08, filed 1 day after the tradedirector RAGUSA ROBERT P — Sale on 2026-03-09, filed same daydirector Ofman Joshua J. — Sale on 2026-03-09, filed same dayofficer Freidin Aaron — Sale on 2026-03-09, filed same daydirector RAGUSA ROBERT P — Sale on 2026-03-09, filed same daydirector Ofman Joshua J. — Sale on 2026-03-09, filed same dayofficer Freidin Aaron — Sale on 2026-03-09, filed same daydirector RAGUSA ROBERT P — Sale on 2026-03-05, filed 4 days after the tradedirector Ofman Joshua J. — Sale on 2026-03-05, filed 4 days after the tradeofficer Freidin Aaron — Sale on 2026-03-05, filed 4 days after the tradedirector RAGUSA ROBERT P — Sale on 2026-03-02, filed 1 day after the tradedirector Ofman Joshua J. — Sale on 2026-03-02, filed 1 day after the tradeofficer Freidin Aaron — Sale on 2026-03-02, filed 1 day after the tradedirector RAGUSA ROBERT P — Sale on 2026-03-02, filed 1 day after the tradedirector Ofman Joshua J. — Sale on 2026-03-02, filed 1 day after the tradeofficer Freidin Aaron — Sale on 2026-03-02, filed 1 day after the tradeofficer Freidin Aaron — Sale on 2025-12-03, filed 2 days after the tradedirector RAGUSA ROBERT P — Sale on 2025-12-03, filed 2 days after the tradedirector RAGUSA ROBERT P — Sale on 2025-12-03, filed 2 days after the tradedirector Ofman Joshua J. — Sale on 2025-12-03, filed 2 days after the tradedirector RAGUSA ROBERT P — Sale on 2025-12-03, filed 2 days after the tradedirector RAGUSA ROBERT P — Sale on 2025-12-03, filed 2 days after the tradetenPercentOwner ILLUMINA, INC. — Sale on 2025-11-17, filed 1 day after the tradeofficer Freidin Aaron — Sale on 2025-11-17, filed 2 days after the tradedirector Ofman Joshua J. — Sale on 2025-10-16, filed same daydirector Ofman Joshua J. — Sale on 2025-10-15, filed 1 day after the tradedirector RAGUSA ROBERT P — Sale on 2025-10-15, filed 1 day after the tradedirector Ofman Joshua J. — Sale on 2025-10-06, filed 2 days after the tradedirector Ofman Joshua J. — Sale on 2025-10-02, filed 1 day after the tradedirector Ofman Joshua J. — Sale on 2025-08-19, filed 1 day after the tradeofficer Freidin Aaron — Sale on 2025-08-19, filed 1 day after the trade
DatePersonRoleActionShares @ priceValueOwnership Δvs S&P 1mvs S&P 6mOwned afterFiling
2026-08-27Freidin AaronofficerSale7,900 @ $85.01$672K−3.0% of holdingnot yet — horizon still opennot yet — horizon still open253,083Form 4 · filed 4 days after the trade
2026-08-27Ofman Joshua J.directorSale5,000 @ $85.02$425K−1.2% of holdingnot yet — horizon still opennot yet — horizon still open397,271Form 4 · filed 4 days after the trade
2026-06-04Partridge Andrew JohnofficerSale1,491 @ $61.08$91K−0.9% of holding+4.4%not yet — horizon still open163,738Form 4 · filed 1 day after the trade
2026-04-08RAGUSA ROBERT PdirectorSale123,502 @ $49.92$6.2M−19.2% of holding+15.7%not yet — horizon still open518,582Form 4 · filed 1 day after the trade
2026-04-08Ofman Joshua J.directorSale61,665 @ $49.92$3.1M−14.2% of holding+15.7%not yet — horizon still open371,216Form 4 · filed 1 day after the trade
2026-04-08Freidin AaronofficerSale45,806 @ $49.92$2.3M−14.9% of holding+15.7%not yet — horizon still open260,669Form 4 · filed 1 day after the trade
2026-03-09RAGUSA ROBERT PdirectorSale7,203 @ $47.93$345K−1.1% of holding+2.0%+45.2%642,342Form 4 · filed same day
2026-03-09Ofman Joshua J.directorSale2,836 @ $47.93$136K−0.7% of holding+2.0%+45.2%432,982Form 4 · filed same day
2026-03-09Freidin AaronofficerSale2,407 @ $47.93$115K−0.8% of holding+2.0%+45.2%306,560Form 4 · filed same day
2026-03-09RAGUSA ROBERT PdirectorSale258 @ $46.73$12K−0.0% of holding+2.0%+45.2%642,084Form 4 · filed same day
2026-03-09Ofman Joshua J.directorSale101 @ $46.74$5K−0.0% of holding+2.0%+45.2%432,881Form 4 · filed same day
2026-03-09Freidin AaronofficerSale85 @ $46.74$4K−0.0% of holding+2.0%+45.2%306,475Form 4 · filed same day
2026-03-05RAGUSA ROBERT PdirectorSale980 @ $53.01$52K−0.2% of holding+2.9%+41.6%649,545Form 4 · filed 4 days after the trade
2026-03-05Ofman Joshua J.directorSale690 @ $53.01$37K−0.2% of holding+2.9%+41.6%435,818Form 4 · filed 4 days after the trade
2026-03-05Freidin AaronofficerSale655 @ $53.01$35K−0.2% of holding+2.9%+41.6%308,967Form 4 · filed 4 days after the trade
2026-03-02RAGUSA ROBERT PdirectorSale35,787 @ $50.09$1.8M−5.2% of holding+3.2%+38.5%652,242Form 4 · filed 1 day after the trade
2026-03-02Ofman Joshua J.directorSale16,223 @ $50.09$813K−3.6% of holding+3.2%+38.5%436,508Form 4 · filed 1 day after the trade
2026-03-02Freidin AaronofficerSale9,135 @ $50.09$458K−2.9% of holding+3.2%+38.5%310,060Form 4 · filed 1 day after the trade
2026-03-02RAGUSA ROBERT PdirectorSale1,717 @ $51.84$89K−0.3% of holding+3.2%+38.5%650,525Form 4 · filed 1 day after the trade
2026-03-02Ofman Joshua J.directorSale779 @ $51.75$40K−0.2% of holding+3.2%+38.5%452,731Form 4 · filed 1 day after the trade
2026-03-02Freidin AaronofficerSale438 @ $51.86$23K−0.1% of holding+3.2%+38.5%309,622Form 4 · filed 1 day after the trade
2025-12-03Freidin AaronofficerSale25,000 @ $99.15$2.5M−8.8% of holding−6.2%−49.2%259,077Form 4 · filed 2 days after the trade
2025-12-03RAGUSA ROBERT PdirectorSale15,356 @ $95.28$1.5M−2.2% of holding−6.2%−49.2%697,866Form 4 · filed 2 days after the trade
2025-12-03RAGUSA ROBERT PdirectorSale14,807 @ $94.43$1.4M−2.0% of holding−6.2%−49.2%713,222Form 4 · filed 2 days after the trade
2025-12-03Ofman Joshua J.directorSale13,000 @ $100.00$1.3M−3.4% of holding−6.2%−49.2%368,818Form 4 · filed 2 days after the trade
2025-12-03RAGUSA ROBERT PdirectorSale8,233 @ $96.22$792K−1.2% of holding−6.2%−49.2%689,633Form 4 · filed 2 days after the trade
2025-12-03RAGUSA ROBERT PdirectorSale1,604 @ $97.28$156K−0.2% of holding−6.2%−49.2%688,029Form 4 · filed 2 days after the trade
2025-11-17ILLUMINA, INC.tenPercentOwnerSale1,000,000 @ $79.85$79.8M−22.2% of holding+0.2%−34.2%3,502,126Form 4 · filed 1 day after the trade
2025-11-17Freidin AaronofficerSale1,697 @ $79.20$134K−0.6% of holding+0.2%−34.2%284,077Form 4 · filed 2 days after the trade
2025-10-16Ofman Joshua J.directorSale6,114 @ $82.01$501K−1.6% of holding−9.6%−48.6%381,818Form 4 · filed same day
2025-10-15Ofman Joshua J.directorSale8,865 @ $76.03$674K−2.2% of holding+9.1%−38.9%387,932Form 4 · filed 1 day after the trade
2025-10-15RAGUSA ROBERT PdirectorSale7,239 @ $68.88$499K−1.0% of holding+9.1%−38.9%727,388Form 4 · filed 1 day after the trade
2025-10-06Ofman Joshua J.directorSale81,385 @ $62.50$5.1M−17.0% of holding+30.2%−18.9%396,797Form 4 · filed 2 days after the trade
2025-10-02Ofman Joshua J.directorSale9,692 @ $64.00$620K−2.0% of holding+40.1%−19.1%478,182Form 4 · filed 1 day after the trade
2025-08-19Ofman Joshua J.directorSale4,202 @ $32.02$135K−0.9% of holding+22.5%+215.5%487,874Form 4 · filed 1 day after the trade
2025-08-19Freidin AaronofficerSale877 @ $32.02$28K−0.3% of holding+22.5%+215.5%285,143Form 4 · filed 1 day after the trade
2025-07-15Freidin AaronofficerSale8,000 @ $38.93$311K−2.7% of holding−15.5%+152.5%286,020Form 4 · filed 2 days after the trade
2025-07-01DING CHUN RtenPercentOwnerSale260,832 @ $49.58$12.9M−7.3% of holding−32.8%+61.4%3,332,898Form 4 · filed 2 days after the trade
2025-07-01DING CHUN RtenPercentOwnerSale51,125 @ $48.88$2.5M−1.4% of holding−32.8%+61.4%3,593,730Form 4 · filed 2 days after the trade
2025-07-01DING CHUN RtenPercentOwnerSale27,843 @ $50.25$1.4M−0.8% of holding−32.8%+61.4%3,305,055Form 4 · filed 2 days after the trade
2025-06-30Ofman Joshua J.directorSale9,692 @ $52.00$504K−1.9% of holding−37.0%+58.9%492,076Form 4 · filed 1 day after the trade
2025-06-12Ofman Joshua J.directorSale9,692 @ $42.30$410K−1.9% of holding−11.4%+112.0%501,768Form 4 · filed 4 days after the trade
2025-05-02RAGUSA ROBERT PdirectorSale94,035 @ $33.93$3.2M−11.3% of holding+2.6%+135.9%734,627Form 4 · filed 3 days after the trade
2025-05-02Ofman Joshua J.directorSale48,213 @ $33.93$1.6M−8.6% of holding+2.6%+135.9%511,460Form 4 · filed 3 days after the trade
2025-05-02Freidin AaronofficerSale41,150 @ $33.93$1.4M−12.3% of holding+2.6%+135.9%294,020Form 4 · filed 3 days after the trade
2025-03-07RAGUSA ROBERT PdirectorSale7,625 @ $31.21$238K−0.9% of holding−14.9%+2.9%828,662Form 4 · filed 5 days after the trade
2025-03-07Ofman Joshua J.directorSale2,109 @ $31.20$66K−0.4% of holding−14.9%+2.9%559,673Form 4 · filed 5 days after the trade
2025-03-07Freidin AaronofficerSale1,816 @ $31.20$57K−0.5% of holding−14.9%+2.9%335,170Form 4 · filed 5 days after the trade
2025-03-05RAGUSA ROBERT PdirectorSale994 @ $41.51$41K−0.1% of holding−27.4%−24.3%836,287Form 4 · filed 1 day after the trade
2025-03-05Ofman Joshua J.directorSale525 @ $41.51$22K−0.1% of holding−27.4%−24.3%561,782Form 4 · filed 1 day after the trade
2025-03-05Freidin AaronofficerSale521 @ $41.51$22K−0.2% of holding−27.4%−24.3%336,986Form 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.

36 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
2026-07-15SUMME GREGORY LdirectorAward / grant42745,672Form 4
2026-07-15CHASE WILLIAM JdirectorAward / grant27642,978Form 4
2026-07-15MIZELL STEVENdirectorAward / grant26842,830Form 4
2026-06-18Krevans SarahdirectorAward / grant5,49142,628Form 4
2026-06-18CHASE WILLIAM JdirectorAward / grant5,49142,702Form 4
2026-06-18SUMME GREGORY LdirectorAward / grant5,49145,245Form 4
2026-06-18MIZELL STEVENdirectorAward / grant5,49142,562Form 4
2026-06-03Ofman Joshua J.directorAward / grant3,154402,271Form 4
2026-06-01Ofman Joshua J.directorAward / grant27,901399,117Form 4
2026-04-15SUMME GREGORY LdirectorAward / grant63139,754Form 4
2026-04-15CHASE WILLIAM JdirectorAward / grant40837,211Form 4
2026-04-15MIZELL STEVENdirectorAward / grant39637,071Form 4
2026-02-27Ofman Joshua J.directorAward / grant84,540453,510Form 4
2026-02-27Freidin AaronofficerAward / grant60,118319,195Form 4
2026-01-15SUMME GREGORY LdirectorAward / grant32939,123Form 4
2026-01-15CHASE WILLIAM JdirectorAward / grant21336,803Form 4
2026-01-15MIZELL STEVENdirectorAward / grant20636,675Form 4
2025-10-15SUMME GREGORY LdirectorAward / grant42538,794Form 4
2025-10-15CHASE WILLIAM JdirectorAward / grant27536,590Form 4
2025-10-15MIZELL STEVENdirectorAward / grant26736,469Form 4
2025-07-15SUMME GREGORY LdirectorAward / grant82538,369Form 4
2025-07-15CHASE WILLIAM JdirectorAward / grant53336,315Form 4
2025-07-15MIZELL STEVENdirectorAward / grant51736,202Form 4
2025-05-29SUMME GREGORY LdirectorAward / grant6,08237,544Form 4
2025-05-29MIZELL STEVENdirectorAward / grant6,08235,685Form 4
2025-05-29Krevans SarahdirectorAward / grant6,08237,137Form 4
2025-05-29CHASE WILLIAM JdirectorAward / grant6,08235,782Form 4
2025-04-15SUMME GREGORY LdirectorAward / grant1,21231,462Form 4
2025-04-15CHASE WILLIAM JdirectorAward / grant78429,700Form 4
2025-04-15MIZELL STEVENdirectorAward / grant76029,603Form 4
2025-02-03RAGUSA ROBERT PdirectorAward / grant224,620837,281Form 4
2025-02-03Ofman Joshua J.directorAward / grant110,770562,307Form 4
2025-02-03Freidin AaronofficerAward / grant69,230337,507Form 4
2025-01-15SUMME GREGORY LdirectorAward / grant1,82830,250Form 4
2025-01-15CHASE WILLIAM JdirectorAward / grant1,18228,916Form 4
2025-01-15MIZELL STEVENdirectorAward / grant1,14728,843Form 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.