Issued 2026-09-16 at $75.58 · now $75.58 (2026-09-16, +0.0% since)
Based on its own history, a month from the 2026-09-16 close, SF has typically landed between $66.59 and $85.79 — a range of −11.9% to +13.5% from the issuance price $75.58.
- 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 ($75.58) — 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 SF has typically landed a month from the 2026-09-16 close of $75.58 — the range is history, not a prediction.
- now $75.58 (+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). $77.09 (+2.0%)
- middle 50%The central range of outcomes — half of similar past periods landed inside it, a quarter finished above, a quarter below. $72.61–$81.56
- 90% rangeA nine-in-ten range — in about nine of every ten similar past periods the outcome stayed within these bounds. $66.59–$85.79
| Start | Return | Max drop | Max rise |
|---|---|---|---|
| 3 worst | |||
| 2020-02-18 | −50.7% | −50.7% | +2.3% |
| 2020-02-20 | −49.8% | −51.8% | +0.0% |
| 2020-02-21 | −48.9% | −50.4% | +0.0% |
| 3 best | |||
| 2009-03-06 | +52.2% | −0.4% | +52.8% |
| 2009-03-05 | +45.7% | −5.0% | +45.7% |
| 2008-11-20 | +45.2% | +0.0% | +48.1% |
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.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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-07-23 | Brown Maryam S. | director | Sale | 2,500 @ $79.25 | $198K | −24.0% of holding | −2.0% | not yet — horizon still open | 7,929 | Form 4 · filed 4 days after the trade |
| 2026-07-23 | Brown Maryam S. | director | Sale | 2,200 @ $79.14 | $174K | −27.7% of holding | −2.0% | not yet — horizon still open | 5,729 | Form 4 · filed 4 days after the trade |
| 2026-02-02 | Rubulotta David | other | Sale | 400 @ $124.31 | $50K | −28.7% of holding | −7.3% | −9.0% | 992 | Form 4 · filed 2 days after the trade |
| 2026-01-29 | ZEMLYAK JAMES M | officer | Sale | 9 @ $123.90 | $1K | −0.1% of holding | −7.5% | −7.4% | 7,072 | Form 4 · filed 4 days after the trade |
| 2025-08-13 | ZEMLYAK JAMES M | officer | Purchase | 2 @ $116.00 | $232 | +0.0% of holding | −2.2% | −3.1% | 7,037 | Form 4 · filed 8 days after the trade |
| 2025-08-12 | ZEMLYAK JAMES M | officer | Purchase | 2 @ $114.16 | $228 | +0.0% of holding | −1.0% | +1.1% | 7,035 | Form 4 · filed 9 days after the trade |
| 2025-08-11 | ZEMLYAK JAMES M | officer | Purchase | 1 @ $111.76 | $112 | +0.0% of holding | −0.1% | +4.6% | 7,033 | Form 4 · filed 10 days after the trade |
| 2025-08-07 | ZEMLYAK JAMES M | officer | Purchase | 4 @ $110.17 | $441 | +0.1% of holding | +0.3% | +9.7% | 7,032 | Form 4 · filed 14 days after the trade |
| 2025-06-06 | ZIMMERMAN MICHAEL J | director | Sale | 5,000 @ $97.00 | $485K | −9.8% of holding | +7.9% | +17.0% | 45,833 | Form 4 · filed same day |
| 2025-06-06 | ZIMMERMAN MICHAEL J | director | Sale | 5,000 @ $96.39 | $482K | −9.0% of holding | +7.9% | +17.0% | 50,833 | Form 4 · filed same day |
| 2025-05-13 | PEACOCK DAVID A | director | Sale | 12,922 @ $99.83 | $1.3M | −61.1% of holding | −4.7% | +7.7% | 8,228 | Form 4 · filed same day |
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.
289 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 |
|---|---|---|---|---|---|---|
| 2026-06-09 | ZIMMERMAN MICHAEL J | director | Award / grant | 2,450 | 2,450 | Form 4 |
| 2026-06-09 | PEACOCK DAVID A | director | Award / grant | 2,450 | 2,450 | Form 4 |
| 2026-06-09 | Nesi Victor | director | Award / grant | 2,450 | 90,962 | Form 4 |
| 2026-06-09 | Markus Maura A. | director | Award / grant | 2,450 | 2,450 | Form 4 |
| 2026-06-09 | Kavanaugh James P. | director | Award / grant | 2,450 | 2,450 | Form 4 |
| 2026-06-09 | Grady Robert Edward | director | Award / grant | 2,450 | 2,450 | Form 4 |
| 2026-06-09 | Carnoy Lisa Landau | director | Award / grant | 2,450 | 2,450 | Form 4 |
| 2026-06-09 | Berlew Adam T. | director | Award / grant | 2,450 | 2,450 | Form 4 |
| 2026-06-09 | BROWN MICHAEL W | director | Award / grant | 2,450 | 2,450 | Form 4 |
| 2026-06-09 | Brown Maryam S. | director | Award / grant | 2,450 | 2,450 | Form 4 |
| 2026-06-04 | Markus Maura A. | director | Option exercise | 2,812 | 44,688 | Form 4 |
| 2026-06-04 | PEACOCK DAVID A | director | Option exercise | 2,812 | 13,764 | Form 4 |
| 2026-06-04 | Berlew Adam T. | director | Other acquisition | 2,812 | 0 | Form 4 |
| 2026-06-04 | Brown Maryam S. | director | Option exercise | 2,812 | 10,429 | Form 4 |
| 2026-06-04 | Brown Maryam S. | director | Option exercise | 2,812 | 0 | Form 4 |
| 2026-06-04 | Carnoy Lisa Landau | director | Option exercise | 2,812 | 10,611 | Form 4 |
| 2026-06-04 | Carnoy Lisa Landau | director | Option exercise | 2,812 | 0 | Form 4 |
| 2026-06-04 | Kavanaugh James P. | director | Option exercise | 2,812 | 13,626 | Form 4 |
| 2026-06-04 | Kavanaugh James P. | director | Disposition | 2,812 | 0 | Form 4 |
| 2026-06-04 | Markus Maura A. | director | Option exercise | 2,812 | 0 | Form 4 |
| 2026-06-04 | ZIMMERMAN MICHAEL J | director | Option exercise | 2,812 | 0 | Form 4 |
| 2026-06-04 | ZIMMERMAN MICHAEL J | director | Option exercise | 2,812 | 71,562 | Form 4 |
| 2026-06-04 | PEACOCK DAVID A | director | Option exercise | 2,812 | 0 | Form 4 |
| 2026-06-04 | BROWN MICHAEL W | director | Option exercise | 2,812 | 103,264 | Form 4 |
| 2026-06-04 | BROWN MICHAEL W | director | Option exercise | 2,812 | 0 | Form 4 |
| 2026-06-04 | Berlew Adam T. | director | Option exercise | 2,812 | 24,475 | Form 4 |
| 2026-03-09 | Raymond Charles Bradford | other | Withheld for tax | 29,443 | 88,337 | Form 4 |
| 2026-03-09 | Raymond Charles Bradford | other | Award / grant | 60,673 | 144,260 | Form 4 |
| 2026-03-09 | Raymond Charles Bradford | other | Option exercise | 53,241 | 117,780 | Form 4 |
| 2026-03-09 | Raymond Charles Bradford | other | Option exercise | 53,241 | 91,019 | Form 4 |
| 2026-02-27 | KRUSZEWSKI RONALD J | director | Award / grant | 39,163 | 236,278 | Form 4 |
| 2026-02-27 | KRUSZEWSKI RONALD J | director | Award / grant | 27,009 | 263,287 | Form 4 |
| 2026-02-27 | ZEMLYAK JAMES M | officer | Award / grant | 25,388 | 119,887 | Form 4 |
| 2026-02-27 | Michaud Thomas B. | officer | Award / grant | 17,623 | 69,112 | Form 4 |
| 2026-02-27 | Michaud Thomas B. | officer | Award / grant | 13,504 | 82,616 | Form 4 |
| 2026-02-27 | Raymond Charles Bradford | other | Award / grant | 13,504 | 83,587 | Form 4 |
| 2026-02-27 | ZEMLYAK JAMES M | officer | Award / grant | 13,504 | 133,391 | Form 4 |
| 2026-02-27 | McDuffie Brantley | other | Award / grant | 13,504 | 31,419 | Form 4 |
| 2026-02-27 | Rubulotta David | other | Award / grant | 13,504 | 36,936 | Form 4 |
| 2026-02-27 | Raymond Charles Bradford | other | Award / grant | 12,694 | 70,083 | 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.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.