Stock / equity
OSK OSHKOSH CORP
- Company
- OSHKOSH CORP
- Security
- Equity
- Size, estimated from filings
- Mid cap ($2B – $10B)
- Insiders on record
- 21
- Members of Congress
- 1
- Latest trade on record
- September 11, 2026
OSK (OSHKOSH CORP) has 154 disclosed insider transactions from 21 insiders in the last 12 months (0 open-market buys, 50 sales, about $47.1M at reported prices) and 3 congressional trades from 1 member of Congress. The most recent disclosure was filed September 15, 2026.
Share price
Price and chart by TradingView for OSHKOSH CORP. US share prices here are delayed, not real-time. The trade records on this page come from government filings, not from this chart.
OSK in charts
Who is trading this stock
Which people account for the buying and selling over the last 12 months?
8 people account for the disclosed buying and selling in OSK over the last 12 months; the most active is Pfeifer John C with $6.7M.
Prices insiders traded at
What price did insiders buy and sell at? Each marker is one open-market trade at the share price reported on its Form 4.
Insiders reported 5 open-market trades in OSK since Nov 21, 2025, at prices from $124 to $177; the most recent was a sale at $150 on Sep 11, 2026. These are the prices on the filings, not adjusted for stock splits, and not a market price series.
Insider holdings over time
Is an insider building or unwinding a position? Shares held directly after each filing.
Pfeifer John C reported 150,669 shares held after the latest filing, against 115,552 at the first on record.
Lobbying spend by quarter
How much has OSHKOSH CORP reported spending on federal lobbying?
OSHKOSH CORP reported $3.1M in lobbying over the last eight quarters, from filings matched by exact company name.
Insiders trading OSK
Everyone who filed a Form 4 for this ticker, by number of rows on record. "Bought" and "sold" count open-market purchases (code P) and sales only; awards, option exercises and shares withheld for tax are in the row count but not in those two columns. Showing 15 of 21.
| Insider | Role | Rows | Bought | Sold | Value bought | Value sold | Latest |
|---|---|---|---|---|---|---|---|
| Pfeifer John C | Director | 15 | 0 | 6 | — | $6.7M | September 11, 2026 |
| Khare Anupam | SVP, Chief Information Officer | 15 | 0 | 6 | — | $1.3M | February 27, 2026 |
| Brandt Bryan K | SVP & Chief Marketing Officer | 15 | 0 | 5 | — | $365K | February 20, 2026 |
| Cortina Ignacio A | EVP, CL&AO & Secretary | 15 | 0 | 6 | — | $2.5M | February 20, 2026 |
| Verich John S | SVP, Finance & Treasurer | 14 | 0 | 4 | — | $424K | February 26, 2026 |
| Iyengar Jayanthi | EVP, Chief Technology Officer | 14 | 0 | 5 | — | $516K | February 20, 2026 |
| Pack Michael E | EVP & Pres, Vocational | 14 | 0 | 5 | — | $1.5M | February 20, 2026 |
| Freeders James C | SVP Finance & Controller | 10 | 0 | 3 | — | $275K | February 20, 2026 |
| Nystrom Jackie Lynn | SVP & CHRO | 10 | 0 | 3 | — | $137K | February 20, 2026 |
| Narang Mahesh | Insider | 10 | 0 | 3 | — | $1.2M | February 19, 2026 |
| Field Matthew | Exec. VP & CFO | 7 | 0 | 2 | — | $1.2M | February 17, 2026 |
| Nordlund Steven Craig | Exec. VP & Pres., Transport | 5 | 0 | 1 | — | $265K | July 29, 2026 |
| Palmer Duncan | Director | 2 | 0 | 1 | — | $68K | May 12, 2026 |
| Allman Keith J. | Director | 1 | 0 | 0 | — | — | May 5, 2026 |
| Burns Bill | Director | 1 | 0 | 0 | — | — | May 5, 2026 |
What kind of transactions these are 6 Form 4 codes
| Code | Meaning | Rows | Shares | Value at reported prices |
|---|---|---|---|---|
| M | Option exercise or conversion | 74 | 241,539 | $26.9M |
| F | Shares withheld for tax | 42 | 71,931 | $12.4M |
| A | Grant or award | 28 | 145,951 | $3.9M |
| S | Open-market sale | 5 | 14,333 | $2.0M |
| D | Sale back to the company | 3 | 14,109 | $1.9M |
| G | Gift | 2 | 715 | — |
What each code means: Form 4 transaction codes.
Members of Congress trading OSK
Members whose periodic transaction reports name this ticker. Amounts are the sums of the ranges as filed.
| Member | Seat | Trades | Bought | Sold | Range as filed | Latest |
|---|---|---|---|---|---|---|
| Lisa C. McClain | Representative (MI, District 9), Republican | 3 | 1 | 2 | $3,003–$45K | October 31, 2025 |
Insider transactions
| Filer | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| Pfeifer John C | Sell S | September 11, 2026 | September 15, 2026 | 4d | 778 | $150 | $117K | 10b5-1 plan | Form 4 ↗ | |
| Nordlund Steven Craig | Other A | July 29, 2026 | July 31, 2026 | 2d | 7,002 | — | — | derivative | Form 4 ↗ | |
| Nordlund Steven Craig | Option / conversion M | July 14, 2026 | July 16, 2026 | 2d | 4,214 | — | — | derivative | Form 4 ↗ | |
| Nordlund Steven Craig | Sell F | July 14, 2026 | July 16, 2026 | 2d | 1,821 | $146 | $265K | Form 4 ↗ | ||
| Nordlund Steven Craig | Option / conversion M | July 14, 2026 | July 16, 2026 | 2d | 4,214 | $146 | $614K | Form 4 ↗ | ||
| Palmer Duncan | Sell S | May 12, 2026 | May 13, 2026 | 1d | 505 | $134 | $68K | 10b5-1 plan | Form 4 ↗ | |
| Palmer Duncan | Other A | May 5, 2026 | May 6, 2026 | 1d | 1,110 | — | — | Form 4 ↗ | ||
| Perkins David G | Other A | May 5, 2026 | May 6, 2026 | 1d | 1,110 | — | — | Form 4 ↗ | ||
| Rowland Sandra E. | Other A | May 5, 2026 | May 6, 2026 | 1d | 1,110 | — | — | Form 4 ↗ | ||
| Metcalf-Kupres Kimberley | Other A | May 5, 2026 | May 6, 2026 | 1d | 1,110 | — | — | Form 4 ↗ | ||
| Jordan Tyrone Michael | Other A | May 5, 2026 | May 6, 2026 | 1d | 1,110 | — | — | Form 4 ↗ | ||
| CLAYTON ANNETTE K | Other A | May 5, 2026 | May 6, 2026 | 1d | 1,110 | — | — | Form 4 ↗ | ||
| Burns Bill | Other A | May 5, 2026 | May 6, 2026 | 1d | 1,110 | — | — | Form 4 ↗ | ||
| Allman Keith J. | Other A | May 5, 2026 | May 6, 2026 | 1d | 1,110 | — | — | Form 4 ↗ | ||
| DAVIS DOUGLAS LEE | Other A | May 5, 2026 | May 6, 2026 | 1d | 1,110 | — | — | Form 4 ↗ | ||
| Khare Anupam | Sell S | February 27, 2026 | March 2, 2026 | 3d | 4,000 | $169 | $676K | Form 4 ↗ | ||
| Verich John S | Other G | February 26, 2026 | February 27, 2026 | 1d | 115 | — | — | Form 4 ↗ | ||
| Khare Anupam | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 1,152 | — | — | derivative | Form 4 ↗ | |
| Khare Anupam | Sell F | February 20, 2026 | February 23, 2026 | 3d | 515 | $176 | $90K | Form 4 ↗ | ||
| Khare Anupam | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 1,152 | $176 | $202K | Form 4 ↗ | ||
| Khare Anupam | Sell F | February 20, 2026 | February 23, 2026 | 3d | 1,074 | $176 | $189K | Form 4 ↗ | ||
| Khare Anupam | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 2,284 | $176 | $401K | Form 4 ↗ | ||
| Khare Anupam | Sell F | February 20, 2026 | February 23, 2026 | 3d | 840 | $176 | $147K | Form 4 ↗ | ||
| Khare Anupam | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 1,720 | $176 | $302K | Form 4 ↗ | ||
| Nystrom Jackie Lynn | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 509 | — | — | derivative | Form 4 ↗ | |
| Nystrom Jackie Lynn | Sell F | February 20, 2026 | February 23, 2026 | 3d | 240 | $176 | $42K | Form 4 ↗ | ||
| Nystrom Jackie Lynn | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 509 | $176 | $89K | Form 4 ↗ | ||
| Iyengar Jayanthi | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 1,061 | — | — | derivative | Form 4 ↗ | |
| Iyengar Jayanthi | Sell F | February 20, 2026 | February 23, 2026 | 3d | 463 | $176 | $81K | Form 4 ↗ | ||
| Iyengar Jayanthi | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 1,061 | $176 | $186K | Form 4 ↗ | ||
| Iyengar Jayanthi | Sell F | February 20, 2026 | February 23, 2026 | 3d | 918 | $176 | $161K | Form 4 ↗ | ||
| Iyengar Jayanthi | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 2,104 | $176 | $369K | Form 4 ↗ | ||
| Iyengar Jayanthi | Sell F | February 20, 2026 | February 23, 2026 | 3d | 691 | $176 | $121K | Form 4 ↗ | ||
| Iyengar Jayanthi | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 1,584 | $176 | $278K | Form 4 ↗ | ||
| Pack Michael E | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 2,878 | — | — | derivative | Form 4 ↗ | |
| Pack Michael E | Sell F | February 20, 2026 | February 23, 2026 | 3d | 1,353 | $176 | $237K | Form 4 ↗ | ||
| Pack Michael E | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 2,878 | $176 | $505K | Form 4 ↗ | ||
| Pack Michael E | Sell F | February 20, 2026 | February 23, 2026 | 3d | 2,683 | $176 | $471K | Form 4 ↗ | ||
| Pack Michael E | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 5,708 | $176 | $1.0M | Form 4 ↗ | ||
| Pack Michael E | Sell F | February 20, 2026 | February 23, 2026 | 3d | 2,020 | $176 | $355K | Form 4 ↗ | ||
| Pack Michael E | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 4,296 | $176 | $754K | Form 4 ↗ | ||
| Freeders James C | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 1,248 | — | — | derivative | Form 4 ↗ | |
| Freeders James C | Sell F | February 20, 2026 | February 23, 2026 | 3d | 558 | $176 | $98K | Form 4 ↗ | ||
| Freeders James C | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 1,248 | $176 | $219K | Form 4 ↗ | ||
| Pfeifer John C | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 11,993 | — | — | derivative | Form 4 ↗ | |
| Pfeifer John C | Sell F | February 20, 2026 | February 23, 2026 | 3d | 5,355 | $176 | $940K | Form 4 ↗ | ||
| Pfeifer John C | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 11,993 | $176 | $2.1M | Form 4 ↗ | ||
| Pfeifer John C | Sell F | February 20, 2026 | February 23, 2026 | 3d | 11,176 | $176 | $2.0M | Form 4 ↗ | ||
| Pfeifer John C | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 23,777 | $176 | $4.2M | Form 4 ↗ | ||
| Pfeifer John C | Sell F | February 20, 2026 | February 23, 2026 | 3d | 8,412 | $176 | $1.5M | Form 4 ↗ | ||
| Pfeifer John C | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 17,896 | $176 | $3.1M | Form 4 ↗ | ||
| Cortina Ignacio A | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 2,878 | — | — | derivative | Form 4 ↗ | |
| Cortina Ignacio A | Sell F | February 20, 2026 | February 23, 2026 | 3d | 1,353 | $176 | $237K | Form 4 ↗ | ||
| Cortina Ignacio A | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 2,878 | $176 | $505K | Form 4 ↗ | ||
| Cortina Ignacio A | Sell F | February 20, 2026 | February 23, 2026 | 3d | 2,683 | $176 | $471K | Form 4 ↗ | ||
| Cortina Ignacio A | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 5,708 | $176 | $1.0M | Form 4 ↗ | ||
| Cortina Ignacio A | Sell F | February 20, 2026 | February 23, 2026 | 3d | 2,020 | $176 | $355K | Form 4 ↗ | ||
| Cortina Ignacio A | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 4,296 | $176 | $754K | Form 4 ↗ | ||
| Verich John S | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 710 | — | — | derivative | Form 4 ↗ | |
| Verich John S | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 1,050 | — | — | derivative | Form 4 ↗ | |
| Verich John S | Sell F | February 20, 2026 | February 23, 2026 | 3d | 334 | $176 | $59K | Form 4 ↗ | ||
| Verich John S | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 710 | $176 | $125K | Form 4 ↗ | ||
| Verich John S | Sell S | February 20, 2026 | February 23, 2026 | 3d | 1,050 | $177 | $186K | Form 4 ↗ | ||
| Verich John S | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 1,050 | $87 | $91K | Form 4 ↗ | ||
| Brandt Bryan K | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 672 | — | — | derivative | Form 4 ↗ | |
| Brandt Bryan K | Sell F | February 20, 2026 | February 23, 2026 | 3d | 300 | $176 | $53K | Form 4 ↗ | ||
| Brandt Bryan K | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 672 | $176 | $118K | Form 4 ↗ | ||
| Brandt Bryan K | Sell F | February 20, 2026 | February 23, 2026 | 3d | 627 | $176 | $110K | Form 4 ↗ | ||
| Brandt Bryan K | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 1,332 | $176 | $234K | Form 4 ↗ | ||
| Brandt Bryan K | Sell F | February 20, 2026 | February 23, 2026 | 3d | 506 | $176 | $89K | Form 4 ↗ | ||
| Brandt Bryan K | Option / conversion M | February 20, 2026 | February 23, 2026 | 3d | 1,003 | $176 | $176K | Form 4 ↗ | ||
| Verich John S | Option / conversion M | February 19, 2025 | February 20, 2026 | 366d | 997 | — | — | latederivative | Form 4 ↗ | |
| Verich John S | Sell F | February 19, 2026 | February 20, 2026 | 1d | 496 | $170 | $85K | Form 4 ↗ | ||
| Verich John S | Option / conversion M | February 19, 2026 | February 20, 2026 | 1d | 997 | $170 | $170K | Form 4 ↗ | ||
| Pfeifer John C | Option / conversion M | February 19, 2026 | February 20, 2026 | 1d | 13,442 | — | — | derivative | Form 4 ↗ | |
| Pfeifer John C | Sell F | February 19, 2026 | February 20, 2026 | 1d | 6,002 | $170 | $1.0M | Form 4 ↗ | ||
| Pfeifer John C | Option / conversion M | February 19, 2026 | February 20, 2026 | 1d | 13,442 | $170 | $2.3M | Form 4 ↗ | ||
| Pack Michael E | Option / conversion M | February 19, 2026 | February 20, 2026 | 1d | 2,768 | — | — | derivative | Form 4 ↗ | |
| Pack Michael E | Sell F | February 19, 2026 | February 20, 2026 | 1d | 1,301 | $170 | $222K | Form 4 ↗ | ||
| Pack Michael E | Option / conversion M | February 19, 2026 | February 20, 2026 | 1d | 2,768 | $170 | $472K | Form 4 ↗ | ||
| Nystrom Jackie Lynn | Option / conversion M | February 19, 2026 | February 20, 2026 | 1d | 554 | — | — | derivative | Form 4 ↗ | |
| Nystrom Jackie Lynn | Sell F | February 19, 2026 | February 20, 2026 | 1d | 270 | $170 | $46K | Form 4 ↗ | ||
| Nystrom Jackie Lynn | Option / conversion M | February 19, 2026 | February 20, 2026 | 1d | 554 | $170 | $94K | Form 4 ↗ | ||
| Narang Mahesh | Other A | February 19, 2026 | February 20, 2026 | 1d | 3,083 | — | — | derivative | Form 4 ↗ | |
| Narang Mahesh | Sell D | February 19, 2026 | February 20, 2026 | 1d | 1,516 | $170 | $258K | Form 4 ↗ | ||
| Narang Mahesh | Other A | February 19, 2026 | February 20, 2026 | 1d | 3,083 | $170 | $526K | Form 4 ↗ | ||
| Khare Anupam | Option / conversion M | February 19, 2026 | February 20, 2026 | 1d | 949 | — | — | derivative | Form 4 ↗ | |
| Khare Anupam | Sell F | February 19, 2026 | February 20, 2026 | 1d | 424 | $170 | $72K | Form 4 ↗ | ||
| Khare Anupam | Option / conversion M | February 19, 2026 | February 20, 2026 | 1d | 949 | $170 | $162K | Form 4 ↗ | ||
| Iyengar Jayanthi | Option / conversion M | February 19, 2026 | February 20, 2026 | 1d | 870 | — | — | derivative | Form 4 ↗ | |
| Iyengar Jayanthi | Sell F | February 19, 2026 | February 20, 2026 | 1d | 380 | $170 | $65K | Form 4 ↗ | ||
| Iyengar Jayanthi | Option / conversion M | February 19, 2026 | February 20, 2026 | 1d | 870 | $170 | $148K | Form 4 ↗ | ||
| Freeders James C | Option / conversion M | February 19, 2026 | February 20, 2026 | 1d | 1,107 | — | — | derivative | Form 4 ↗ | |
| Freeders James C | Sell F | February 19, 2026 | February 20, 2026 | 1d | 495 | $170 | $84K | Form 4 ↗ | ||
| Freeders James C | Option / conversion M | February 19, 2026 | February 20, 2026 | 1d | 1,107 | $170 | $189K | Form 4 ↗ | ||
| Cortina Ignacio A | Option / conversion M | February 19, 2026 | February 20, 2026 | 1d | 2,372 | — | — | derivative | Form 4 ↗ | |
| Cortina Ignacio A | Sell F | February 19, 2026 | February 20, 2026 | 1d | 1,115 | $170 | $190K | Form 4 ↗ | ||
| Cortina Ignacio A | Option / conversion M | February 19, 2026 | February 20, 2026 | 1d | 2,372 | $170 | $404K | Form 4 ↗ | ||
| Brandt Bryan K | Option / conversion M | February 19, 2026 | February 20, 2026 | 1d | 633 | — | — | derivative | Form 4 ↗ | |
| Brandt Bryan K | Sell F | February 19, 2026 | February 20, 2026 | 1d | 283 | $170 | $48K | Form 4 ↗ | ||
| Brandt Bryan K | Option / conversion M | February 19, 2026 | February 20, 2026 | 1d | 633 | $170 | $108K | Form 4 ↗ | ||
| Verich John S | Option / conversion M | February 17, 2026 | February 18, 2026 | 1d | 1,116 | — | — | derivative | Form 4 ↗ | |
| Verich John S | Other A | February 16, 2026 | February 18, 2026 | 2d | 2,192 | — | — | derivative | Form 4 ↗ | |
| Verich John S | Sell F | February 17, 2026 | February 18, 2026 | 1d | 563 | $168 | $95K | Form 4 ↗ | ||
| Verich John S | Option / conversion M | February 17, 2026 | February 18, 2026 | 1d | 1,116 | $168 | $188K | Form 4 ↗ | ||
| Pfeifer John C | Option / conversion M | February 17, 2026 | February 18, 2026 | 1d | 15,718 | — | — | derivative | Form 4 ↗ | |
| Pfeifer John C | Other A | February 16, 2026 | February 18, 2026 | 2d | 29,957 | — | — | derivative | Form 4 ↗ | |
| Pfeifer John C | Sell F | February 17, 2026 | February 18, 2026 | 1d | 7,019 | $168 | $1.2M | Form 4 ↗ | ||
| Pfeifer John C | Option / conversion M | February 17, 2026 | February 18, 2026 | 1d | 15,718 | $168 | $2.6M | Form 4 ↗ | ||
| Pack Michael E | Option / conversion M | February 17, 2026 | February 18, 2026 | 1d | 2,751 | — | — | derivative | Form 4 ↗ | |
| Pack Michael E | Other A | February 16, 2026 | February 18, 2026 | 2d | 5,553 | — | — | derivative | Form 4 ↗ | |
| Pack Michael E | Sell F | February 17, 2026 | February 18, 2026 | 1d | 1,317 | $168 | $222K | Form 4 ↗ | ||
| Pack Michael E | Option / conversion M | February 17, 2026 | February 18, 2026 | 1d | 2,751 | $168 | $463K | Form 4 ↗ | ||
| Nystrom Jackie Lynn | Option / conversion M | February 17, 2026 | February 18, 2026 | 1d | 550 | — | — | derivative | Form 4 ↗ | |
| Nystrom Jackie Lynn | Other A | February 16, 2026 | February 18, 2026 | 2d | 2,046 | — | — | derivative | Form 4 ↗ | |
| Nystrom Jackie Lynn | Sell F | February 17, 2026 | February 18, 2026 | 1d | 288 | $168 | $49K | Form 4 ↗ | ||
| Nystrom Jackie Lynn | Option / conversion M | February 17, 2026 | February 18, 2026 | 1d | 550 | $168 | $93K | Form 4 ↗ | ||
| Nordlund Steven Craig | Other A | February 16, 2026 | February 18, 2026 | 2d | 4,531 | — | — | derivative | Form 4 ↗ | |
| Narang Mahesh | Option / conversion M | February 17, 2026 | February 18, 2026 | 1d | 3,065 | — | — | derivative | Form 4 ↗ | |
| Narang Mahesh | Other A | February 16, 2026 | February 18, 2026 | 2d | 5,700 | — | — | derivative | Form 4 ↗ | |
| Narang Mahesh | Sell F | February 17, 2026 | February 18, 2026 | 1d | 1,529 | $168 | $258K | Form 4 ↗ | ||
| Narang Mahesh | Option / conversion M | February 17, 2026 | February 18, 2026 | 1d | 3,065 | $168 | $516K | Form 4 ↗ | ||
| Khare Anupam | Option / conversion M | February 17, 2026 | February 18, 2026 | 1d | 1,100 | — | — | derivative | Form 4 ↗ | |
| Khare Anupam | Other A | February 16, 2026 | February 18, 2026 | 2d | 2,046 | — | — | derivative | Form 4 ↗ | |
| Khare Anupam | Sell F | February 17, 2026 | February 18, 2026 | 1d | 492 | $168 | $83K | Form 4 ↗ | ||
| Khare Anupam | Option / conversion M | February 17, 2026 | February 18, 2026 | 1d | 1,100 | $168 | $185K | Form 4 ↗ | ||
| Iyengar Jayanthi | Option / conversion M | February 17, 2026 | February 18, 2026 | 1d | 1,123 | — | — | derivative | Form 4 ↗ | |
| Iyengar Jayanthi | Other A | February 16, 2026 | February 18, 2026 | 2d | 3,800 | — | — | derivative | Form 4 ↗ | |
| Iyengar Jayanthi | Sell F | February 17, 2026 | February 18, 2026 | 1d | 517 | $168 | $87K | Form 4 ↗ | ||
| Iyengar Jayanthi | Option / conversion M | February 17, 2026 | February 18, 2026 | 1d | 1,123 | $168 | $189K | Form 4 ↗ | ||
| Freeders James C | Option / conversion M | February 17, 2026 | February 18, 2026 | 1d | 1,226 | — | — | derivative | Form 4 ↗ | |
| Freeders James C | Other A | February 16, 2026 | February 18, 2026 | 2d | 2,397 | — | — | derivative | Form 4 ↗ | |
| Freeders James C | Sell F | February 17, 2026 | February 18, 2026 | 1d | 548 | $168 | $92K | Form 4 ↗ | ||
| Freeders James C | Option / conversion M | February 17, 2026 | February 18, 2026 | 1d | 1,226 | $168 | $206K | Form 4 ↗ | ||
| Field Matthew | Option / conversion M | February 17, 2026 | February 18, 2026 | 1d | 2,751 | — | — | derivative | Form 4 ↗ | |
| Field Matthew | Other A | February 16, 2026 | February 18, 2026 | 2d | 5,553 | — | — | derivative | Form 4 ↗ | |
| Field Matthew | Sell F | February 17, 2026 | February 18, 2026 | 1d | 1,318 | $168 | $222K | Form 4 ↗ | ||
| Field Matthew | Option / conversion M | February 17, 2026 | February 18, 2026 | 1d | 2,751 | $168 | $463K | Form 4 ↗ | ||
| Cortina Ignacio A | Option / conversion M | February 17, 2026 | February 18, 2026 | 1d | 2,593 | — | — | derivative | Form 4 ↗ | |
| Cortina Ignacio A | Other A | February 16, 2026 | February 18, 2026 | 2d | 4,823 | — | — | derivative | Form 4 ↗ | |
| Cortina Ignacio A | Sell F | February 17, 2026 | February 18, 2026 | 1d | 1,246 | $168 | $210K | Form 4 ↗ | ||
| Cortina Ignacio A | Option / conversion M | February 17, 2026 | February 18, 2026 | 1d | 2,593 | $168 | $437K | Form 4 ↗ | ||
| Brandt Bryan K | Option / conversion M | February 17, 2026 | February 18, 2026 | 1d | 864 | — | — | derivative | Form 4 ↗ | |
| Brandt Bryan K | Other A | February 16, 2026 | February 18, 2026 | 2d | 1,608 | — | — | derivative | Form 4 ↗ | |
| Brandt Bryan K | Sell F | February 17, 2026 | February 18, 2026 | 1d | 386 | $168 | $65K | Form 4 ↗ | ||
| Brandt Bryan K | Option / conversion M | February 17, 2026 | February 18, 2026 | 1d | 864 | $168 | $146K | Form 4 ↗ | ||
| Brandt Bryan K | Other G | February 11, 2026 | February 13, 2026 | 2d | 600 | — | — | Form 4 ↗ | ||
| Field Matthew | Other A | December 16, 2025 | December 17, 2025 | 1d | 15,412 | — | — | derivative | Form 4 ↗ | |
| Field Matthew | Sell D | December 16, 2025 | December 17, 2025 | 1d | 7,244 | $129 | $931K | Form 4 ↗ | ||
| Field Matthew | Other A | December 16, 2025 | December 17, 2025 | 1d | 15,412 | $129 | $2.0M | Form 4 ↗ | ||
| Cortina Ignacio A | Sell S | November 21, 2025 | November 24, 2025 | 3d | 8,000 | $124 | $995K | Form 4 ↗ | ||
| Narang Mahesh | Other A | November 13, 2025 | November 14, 2025 | 1d | 10,882 | — | — | derivative | Form 4 ↗ | |
| Narang Mahesh | Sell D | November 13, 2025 | November 14, 2025 | 1d | 5,349 | $124 | $665K | Form 4 ↗ | ||
| Narang Mahesh | Other A | November 13, 2025 | November 14, 2025 | 1d | 10,882 | $124 | $1.4M | Form 4 ↗ |
Congressional trades
| Filer | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| Lisa C. McClain | Sell | October 30, 2025 | November 21, 2025 | 22d | — | — | $1,001–$15K | spouse | House PTR ↗ | |
| Lisa C. McClain | Buy | October 30, 2025 | November 21, 2025 | 22d | — | — | $1,001–$15K | spouse | House PTR ↗ | |
| Lisa C. McClain | Sell | October 31, 2025 | November 21, 2025 | 21d | — | — | $1,001–$15K | spouse | House PTR ↗ |
Related stocks
Tickers traded by the same people who traded OSK, by number of filers in common. It shows overlap in public filings and nothing else.
- DUK Duke Energy Corporation 2 filers in common
- UTHR United Therapeutics Corporation - Common Stock 1 filer in common
- DELL Dell Technologies Inc. Class C Common Stock 1 filer in common
- STX Seagate Technology Holdings PLC - Ordinary Shares 1 filer in common
- UBER Uber Technologies, Inc. Common Stock 1 filer in common
- DDOG Datadog, Inc. - Class A Common Stock 1 filer in common
- ANET Arista Networks, Inc. Common Stock 1 filer in common
- META Meta Platforms, Inc. - Class A Common Stock 1 filer in common
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- How to read a congressional trade report Owner tells you whose asset it was: the member, the spouse, a dependent child, or held jointly.
- Why congressional trade amounts are ranges There are ten ranges; the lowest is $1,001–$15,000 and the highest is over $50,000,000.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| House Clerk, periodic transaction reports | 1 | 3 | November 21, 2025 | November 21, 2025 | House Clerk search |
| SEC EDGAR, Form 4 | 50 | 154 | November 14, 2025 | September 15, 2026 | Form 4 list on EDGAR |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Insider rows are Form 4 filings for this issuer from SEC EDGAR; congressional rows are periodic transaction reports parsed from the House Clerk and the Senate eFD. Values use the reported price for Form 4 and the disclosed range for Congress. See methodology and corrections.
Not investment advice. Disclosures are shown as filed and may lag the trade or be amended. No recommendation is made or implied.