Issued 2026-09-16 at $5.16 · now $5.16 (2026-09-16, +0.0% since)
Based on its own history, a month from the 2026-09-16 close, GT has typically landed between $4.05 and $6.18 — a range of −21.4% to +19.8% from the issuance price $5.16.
- Actual close
- Typical path (median)
- Middle 50% of outcomes
- 90% range
4,673 overlapping 1 month windows · 2008-01-02 – 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 ($5.16) — 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 GT has typically landed a month from the 2026-09-16 close of $5.16 — the range is history, not a prediction.
- now $5.16 (+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). $5.1 (-1.2%)
- middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $4.66–$5.54
- 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $4.05–$6.18
| Start | Return | Max drop | Max rise |
|---|---|---|---|
| 3 worst | |||
| 2020-02-18 | −59.8% | −59.8% | +0.6% |
| 2008-10-22 | −58.1% | −58.1% | +1.5% |
| 2008-10-21 | −56.9% | −56.9% | +0.0% |
| 3 best | |||
| 2009-03-06 | +115.3% | +0.0% | +115.3% |
| 2009-03-05 | +107.9% | −1.3% | +107.9% |
| 2009-03-30 | +87.3% | +0.0% | +87.3% |
4,673 overlapping windows · 2008-01-02 – 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 ~19 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-11-14 | WINKLER JASON J | director | Purchase | 100,000 @ $7.54 | $755K | ownership Δ n/a | +15.6% | −35.7% | 100,000 | Form 4 · filed 3 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.
247 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 |
|---|---|---|---|---|---|---|
| 2026-09-01 | van Kesteren Jan-Piet | officer | Withheld for tax | 6,324 | 6,451 | Form 4 |
| 2026-09-01 | van Kesteren Jan-Piet | officer | Option exercise | 12,775 | 25,550 | Form 4 |
| 2026-09-01 | van Kesteren Jan-Piet | officer | Option exercise | 12,775 | 12,775 | Form 4 |
| 2026-07-01 | WINKLER JASON J | director | Award / grant | 5,417 | 24,178 | Form 4 |
| 2026-07-01 | Gray Nicole | officer | Withheld for tax | 2,281 | 20,501 | Form 4 |
| 2026-07-01 | Gray Nicole | officer | Option exercise | 5,114 | 22,782 | Form 4 |
| 2026-07-01 | Gray Nicole | officer | Option exercise | 5,114 | 5,114 | Form 4 |
| 2026-07-01 | DEAKIN SCOTT M | officer | Award / grant | 77,399 | 77,399 | Form 4 |
| 2026-07-01 | Snyder Margaret V | officer | Award / grant | 23,219 | 23,219 | Form 4 |
| 2026-05-15 | Stewart Mark Wynn | director | Withheld for tax | 163,903 | 746,646 | Form 4 |
| 2026-05-15 | Boucharlat Gregory | officer | Withheld for tax | 2,111 | 5,037 | Form 4 |
| 2026-05-15 | Boucharlat Gregory | officer | Option exercise | 3,170 | 7,148 | Form 4 |
| 2026-05-15 | Stewart Mark Wynn | director | Option exercise | 355,537 | 0 | Form 4 |
| 2026-05-15 | Stewart Mark Wynn | director | Option exercise | 355,537 | 910,549 | Form 4 |
| 2026-05-15 | Boucharlat Gregory | officer | Option exercise | 3,170 | 6,340 | Form 4 |
| 2026-04-13 | HAMILTON JULIE | director | Award / grant | 25,605 | 25,605 | Form 4 |
| 2026-04-13 | KOELLNER LAURETTE T | director | Award / grant | 25,605 | 163,204 | Form 4 |
| 2026-04-13 | Siu Hera K | director | Award / grant | 25,605 | 25,605 | Form 4 |
| 2026-04-13 | WOOD ROGER | director | Award / grant | 25,605 | 25,605 | Form 4 |
| 2026-04-13 | Wessel Michael | director | Award / grant | 25,605 | 25,605 | Form 4 |
| 2026-04-13 | CLAYTON NORMA | director | Award / grant | 25,605 | 112,221 | Form 4 |
| 2026-04-13 | FIRESTONE JAMES A | director | Award / grant | 25,605 | 25,605 | Form 4 |
| 2026-04-13 | Hinrichs Joseph R | director | Award / grant | 25,605 | 25,605 | Form 4 |
| 2026-04-13 | Lewis Karla R | director | Award / grant | 25,605 | 25,605 | Form 4 |
| 2026-04-13 | MITCHELL MAX H | director | Award / grant | 25,605 | 79,675 | Form 4 |
| 2026-04-13 | WINKLER JASON J | director | Award / grant | 12,802 | 12,802 | Form 4 |
| 2026-04-13 | WINKLER JASON J | director | Award / grant | 12,802 | 46,483 | Form 4 |
| 2026-04-13 | Geissler Werner | director | Withheld for tax | 4,572 | 64,475 | Form 4 |
| 2026-04-13 | FIRESTONE JAMES A | director | Option exercise | 19,047 | 0 | Form 4 |
| 2026-04-13 | Siu Hera K | director | Option exercise | 9,523 | 9,523 | Form 4 |
| 2026-04-13 | Siu Hera K | director | Option exercise | 9,523 | 0 | Form 4 |
| 2026-04-13 | Lewis Karla R | director | Option exercise | 19,047 | 19,047 | Form 4 |
| 2026-04-13 | Lewis Karla R | director | Option exercise | 19,047 | 0 | Form 4 |
| 2026-04-13 | FIRESTONE JAMES A | director | Option exercise | 19,047 | 19,047 | Form 4 |
| 2026-04-13 | Geissler Werner | director | Option exercise | 19,047 | 69,047 | Form 4 |
| 2026-04-13 | Geissler Werner | director | Option exercise | 19,047 | 0 | Form 4 |
| 2026-04-01 | WINKLER JASON J | director | Award / grant | 5,216 | 18,761 | Form 4 |
| 2026-03-31 | Snyder Margaret V | officer | Withheld for tax | 3,073 | 12,622 | Form 4 |
| 2026-03-31 | Snyder Margaret V | officer | Option exercise | 6,805 | 0 | Form 4 |
| 2026-03-31 | Snyder Margaret V | officer | Option exercise | 6,805 | 15,695 | 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 iStock trades disclosed by members of Congress for this company, by the date they were filed.iDisclosures shown as facts. A purchase “cluster” (≥2 members of Congress filing a buy within 90 days) has historically preceded modestly higher forward returns — and it persisted out-of-sample, though it roughly halved after 2021 (see below). A descriptive historical tendency, not a signal to trade and not used in our forecast. See /methodology.
As of 2026-09-16 · point-in-time by filed date
A cluster = ≥2 members of Congress filing a purchase within 90 days. The historical tilt persisted after 2021 but roughly halved (+45 → +32 bp/mo forward 1-month vs the S&P 500 weekly-grid baseline). Descriptive historical tendency — not a signal to trade, and not used in our forecast (audition-log 2026-07-27, recomputed 2026-09-08).
| Member | Chamber | Type | Filed | Traded | Size |
|---|---|---|---|---|---|
| Diana Harshbarger | House | sale | 2023-03-02 | 2023-02-08 | $1–15K |
| Diana Harshbarger | House | sale | 2023-03-02 | 2023-02-08 | $1–15K |
| Peter Meijer | House | sale | 2022-12-30 | 2021-02-16 | <$1K |
| Susie Lee | House | sale | 2022-12-29 | 2022-11-30 | $1–15K |
| Susie Lee | House | purchase | 2021-06-14 | 2021-05-14 | $1–15K |
| Susie Lee | House | purchase | 2021-02-10 | 2021-01-13 | $1–15K |
| Susie Lee | House | purchase | 2021-02-10 | 2021-01-12 | $1–15K |
| Donna Shalala | House | sale | 2020-04-27 | 2019-06-04 | $1–15K |
| Ro Khanna | House | sale | 2020-02-10 | 2020-01-08 | $1–15K |
| Ro Khanna | House | purchase | 2019-11-12 | 2019-10-21 | $1–15K |
| Ro Khanna | House | sale | 2018-11-09 | 2018-10-02 | $1–15K |
| Ro Khanna | House | purchase | 2018-09-12 | 2018-08-28 | $1–15K |
| Ro Khanna | House | sale | 2018-08-10 | 2018-07-24 | $1–15K |
| Ro Khanna | House | purchase | 2018-05-10 | 2018-04-03 | $1–15K |
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.