TGENTecogen Inc.Industrials · Electrical Equipment & Partsas of 2026-09-16
Horizon

Issued 2026-09-16 at $2.94 · now $2.94 (2026-09-16, +0.0% since)

Based on its own history, a month from the 2026-09-16 close, TGEN has typically landed between $2.06 and $4.76 — a range of −29.9% to +61.9% from the issuance price $2.94.

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

3,071 overlapping 1 month windows · 2014-05-202026-08-17 · 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 ($2.94) — 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 TGEN has typically landed a month from the 2026-09-16 close of $2.94 — the range is history, not a prediction.

$2.06worst · -29.9%$4.76best · +61.9%
  • now $2.94 (+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). $2.86 (-2.8%)
  • middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $2.41$3.31
  • 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $2.06$4.76
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 3,071 windows spanning 2014-05-20 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
2014-05-22−67.1%−69.9%+0.0%
2020-03-04−57.7%−57.7%+0.0%
2020-03-06−55.4%−55.4%+0.0%
3 best
2025-04-17+139.4%+0.0%+139.4%
2025-04-16+137.7%+0.0%+137.7%
2025-04-23+133.7%+0.0%+133.7%

3,071 overlapping windows · 2014-05-202026-09-16 · 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 ~13 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
25%
+1.5%
n=12
Feb
42%
+3.0%
n=12
Mar
58%
−2.0%
n=12
Apr
42%
+8.4%
n=12
May
42%
+5.9%
n=12
Jun
46%
+2.5%
n=13
Jul
54%
+2.0%
n=13
Aug
8%
−7.3%
n=13
Sep
46%
−3.0%
n=13
Oct
75%
+9.3%
n=12
Nov
42%
−2.6%
n=12
Dec
33%
−3.4%
n=12

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$12$22026-04-24: 1 insider purchase, $10K — Ghoniem Ahmed2026-04-13: 1 insider purchase, $19K — Hirsch Susan B2026-03-27: 2 insider purchases, $38K — Hirsch Susan B, Lewis Earl2026-03-26: 1 insider purchase, $14K — Lewis Earl2026-03-23: 1 insider purchase, $24K — Whiting John Kimball IV2026-03-20: 2 insider purchases, $29K — Deschenes Roger P., Rangesh Abinand2026-03: 6 open-market purchases, $105K2026-04: 2 open-market purchases, $29K↑ buys↓ salesdirector Ghoniem Ahmed — Purchase on 2026-04-24, filed 3 days after the tradedirector Hirsch Susan B — Purchase on 2026-04-13, filed 1 day after the tradedirector Hirsch Susan B — Purchase on 2026-03-27, filed same daydirector Lewis Earl — Purchase on 2026-03-27, filed same daydirector Lewis Earl — Purchase on 2026-03-26, filed 1 day after the tradeofficer Whiting John Kimball IV — Purchase on 2026-03-23, filed same dayofficer Deschenes Roger P. — Purchase on 2026-03-20, filed 3 days after the tradedirector Rangesh Abinand — Purchase on 2026-03-20, filed 3 days after the trade
DatePersonRoleActionShares @ priceValueOwnership Δvs S&P 1mvs S&P 6mOwned afterFiling
2026-04-24Ghoniem AhmeddirectorPurchase12,723 @ $0.79$10Kownership Δ n/a+35.9%not yet — horizon still open12,723Form 4 · filed 3 days after the trade
2026-04-13Hirsch Susan BdirectorPurchase5,000 @ $3.73$19K+1.9% of holding+8.9%not yet — horizon still open265,416Form 4 · filed 1 day after the trade
2026-03-27Hirsch Susan BdirectorPurchase10,000 @ $2.54$25K+4.0% of holding+51.2%not yet — horizon still open260,416Form 4 · filed same day
2026-03-27Lewis EarldirectorPurchase5,000 @ $2.52$13K+0.5% of holding+51.2%not yet — horizon still open1,011,006Form 4 · filed same day
2026-03-26Lewis EarldirectorPurchase5,000 @ $2.88$14K+0.5% of holding+51.0%not yet — horizon still open1,006,006Form 4 · filed 1 day after the trade
2026-03-23Whiting John Kimball IVofficerPurchase10,000 @ $2.38$24K+79.3% of holding+74.5%not yet — horizon still open22,612Form 4 · filed same day
2026-03-20Deschenes Roger P.officerPurchase10,000 @ $2.23$22K+23.3% of holding+91.0%not yet — horizon still open52,962Form 4 · filed 3 days after the trade
2026-03-20Rangesh AbinanddirectorPurchase3,000 @ $2.30$7K+4.7% of holding+91.0%not yet — horizon still open67,193Form 4 · filed 3 days after the trade
2025-06-23Lafaille StephenofficerSale10,000 @ $7.25$73K−96.2% of holding+7.4%−46.1%400Form 4 · filed 1 day after the trade
2025-06-06Lafaille StephenofficerSale25,000 @ $5.98$150K−98.4% of holding+41.0%+1.7%400Form 4 · filed 18 days after the trade
2025-06-04Lafaille StephenofficerSale15,000 @ $5.00$75K−97.4% of holding+45.8%+17.9%400Form 4 · filed 20 days after the trade
2025-06-03Lafaille StephenofficerSale10,000 @ $4.88$49K−96.2% of holding+66.0%+17.2%400Form 4 · filed 21 days after the trade
2025-03-03Lafaille StephenofficerPurchase400 @ $2.50$1Kownership Δ n/a−0.8%+215.7%400Form 4 · filed 113 days after the trade
2024-11-22Lewis EarldirectorPurchase100,000 @ $0.71$71K+15.7% of holding+54.7%+426.7%737,000Form 4 · filed 14 days after the trade
2023-10-09Lewis EarldirectorPurchase2,000 @ $0.80$2K+0.3% of holding+12.9%−32.7%637,000Form 4 · filed 424 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.

50 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
2026-06-26Rangesh AbinanddirectorAward / grant26,04126,041Form 4
2026-06-26Panora RobertofficerAward / grant26,04126,041Form 4
2026-06-26Ghoniem AhmeddirectorAward / grant25,00025,000Form 4
2026-06-26Lewis EarldirectorAward / grant25,00025,000Form 4
2026-06-26Galiteva AngelinadirectorAward / grant25,00025,000Form 4
2026-06-26ALBERTINE JOHN MdirectorAward / grant25,00025,000Form 4
2026-06-26Hirsch Susan BdirectorAward / grant25,00025,000Form 4
2026-06-26Lafaille StephenofficerAward / grant29,01329,013Form 4
2026-06-26Whiting John Kimball IVofficerAward / grant19,34219,342Form 4
2026-06-26Whiting John Kimball IVofficerAward / grant19,34219,342Form 4
2026-06-26Lafaille StephenofficerAward / grant29,01329,013Form 4
2026-06-26Panora RobertofficerAward / grant9,6719,671Form 4
2026-06-26Rangesh AbinanddirectorAward / grant174,081174,081Form 4
2026-06-26Rangesh AbinanddirectorAward / grant174,081174,081Form 4
2026-06-26Panora RobertofficerAward / grant9,6719,671Form 4
2026-06-26Deschenes Roger P.officerAward / grant29,01329,013Form 4
2026-06-26Deschenes Roger P.officerAward / grant29,01329,013Form 4
2026-04-24Ghoniem AhmeddirectorOption exercise12,7230Form 4
2026-03-20Hatsopoulos JohndirectorOption exercise50,0000Form 4
2026-03-20Hatsopoulos JohndirectorOption exercise50,0001,038,951Form 4
2025-07-24ALBERTINE JOHN MdirectorAward / grant25,000175,000Form 4
2025-07-24Lewis EarldirectorAward / grant25,00091,250Form 4
2025-07-24Ghoniem AhmeddirectorAward / grant25,000237,723Form 4
2025-07-24Hirsch Susan BdirectorAward / grant25,000150,000Form 4
2025-07-24Galiteva AngelinadirectorAward / grant25,000225,000Form 4
2025-07-24Rangesh AbinanddirectorAward / grant24,075294,075Form 4
2025-07-24Lafaille StephenofficerAward / grant24,07572,937Form 4
2025-07-24Whiting John Kimball IVofficerAward / grant24,075424,075Form 4
2025-07-24Deschenes Roger P.officerAward / grant12,063152,063Form 4
2025-07-24Rangesh AbinanddirectorAward / grant12,048306,123Form 4
2025-07-24Deschenes Roger P.officerAward / grant17,96442,962Form 4
2025-07-24Whiting John Kimball IVofficerAward / grant11,97612,612Form 4
2025-07-24Rangesh AbinanddirectorAward / grant53,89264,193Form 4
2025-07-24Lafaille StephenofficerAward / grant11,97612,376Form 4
2025-06-23Lafaille StephenofficerExercise10,00010,400Form 4
2025-06-23Lafaille StephenofficerExercise10,00017,500Form 4
2025-06-16Panora RobertofficerExercise52,500165,223Form 4
2025-06-16Panora RobertofficerExercise30,000112,723Form 4
2025-06-16Panora RobertofficerExercise12,72382,723Form 4
2025-06-06Lafaille StephenofficerExercise25,00025,400Form 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.