X-Ray Apparatus & Tubes & Related Irradiation Apparatus
Standard Industrial Classification: SIC 3844
Industry Insider Sentiment Analysis
The X-Ray Apparatus & Tubes & Related Irradiation Apparatus sector (SIC 3844) acts as a critical barometer for broader economic health. Our real-time monitoring reveals total transactions. Monitoring "cluster buying" is one of the most reliable leading indicators for future sector performance. By analyzing aggregate data across this specific Standard Industrial Classification, investors can filter out individual company volatility and identify high-conviction trends. When multiple directors and officers within the same industry move capital simultaneously, it often signals an upcoming sector-wide revaluation or a fundamental shift in supply chain dynamics that has yet to be recognized by the broader public market.
| Filing Date | Trade Date | Ticker | Company | Reporting Person | Relationship | Type | Price | Qty | Total, $ | Owned After |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-17 23:01 | 2026-08-13 | BFLY | Butterfly Network, Inc. | ROBBINS LARRY | Director | SELL | $8.98 | 2,297,733 | $20,622,383 | 2,964,187 |
| 2026-08-17 20:51 | 2026-08-14 | BFLY | Butterfly Network, Inc. | Phanstiel S. Louise | Director | BUY | $8.68 | 115,200 | $999,510 | 300,461 |
| 2026-08-12 21:03 | 2026-08-11 | BFLY | Butterfly Network, Inc. | Caezza Nicholas | Officer | SELL | $9.75 | 10,000 | $97,500 | 300,307 |
| 2026-08-12 20:32 | 2026-08-10 | BFLY | Butterfly Network, Inc. | DEVIVO JOSEPH | Director, Officer | SELL | $10.01 | 68,346 | $684,075 | 7,603,700 |
| 2026-08-11 13:24 | 2026-08-10 | NNOX | Nano-X Imaging Ltd. | Meltzer Erez | Director, Officer | BUY | $1.03 | 9,443 | $9,726 | 45,443 |
| 2026-08-04 20:41 | 2026-07-31 | BFLY | Butterfly Network, Inc. | Carlson Megan | Officer | SELL | $7.86 | 68,852 | $541,383 | 425,889 |
| 2026-08-03 22:11 | 2026-07-31 | BFLY | Butterfly Network, Inc. | ROBBINS LARRY | Director | SELL | $7.45 | 1,876,292 | $13,981,753 | 12,458,763 |
| 2026-07-29 11:35 | 2026-07-28 | NNOX | Nano-X Imaging Ltd. | Kainan Noga | Director | BUY | $0.90 | 33,000 | $29,700 | 40,792 |
| 2026-07-29 11:40 | 2026-07-27 | NNOX | Nano-X Imaging Ltd. | Suesskind Dan S | Director | BUY | $0.93 | 50,000 | $46,500 | 50,000 |
| 2026-07-28 20:54 | 2026-07-27 | NNOX | Nano-X Imaging Ltd. | Meltzer Erez | Director, Officer | BUY | $0.93 | 36,000 | $33,480 | 36,000 |
| 2026-07-24 20:57 | 2026-07-22 | BFLY | Butterfly Network, Inc. | ROTHBERG JONATHAN M | Director | SELL | $6.47 | 659,913 | $4,269,505 | 0 |
| 2026-07-21 23:52 | 2026-07-17 | BFLY | Butterfly Network, Inc. | ROTHBERG JONATHAN M | Director, 10% owner | SELL | $6.64 | 3,126,453 | $20,748,393 | 496,680 |
| 2026-07-21 20:21 | 2026-07-20 | BFLY | Butterfly Network, Inc. | DEVIVO JOSEPH | Director, Officer | SELL | $6.56 | 211,798 | $1,389,395 | 7,672,046 |
| 2026-07-21 20:23 | 2026-07-20 | BFLY | Butterfly Network, Inc. | Doherty John N. | Officer | SELL | $6.56 | 57,136 | $374,812 | 1,397,276 |
| 2026-07-21 20:26 | 2026-07-20 | BFLY | Butterfly Network, Inc. | Ku Victor | Officer | SELL | $6.56 | 48,540 | $318,422 | 1,015,099 |
| 2026-07-17 00:18 | 2026-07-14 | BFLY | Butterfly Network, Inc. | ROTHBERG JONATHAN M | Director, 10% owner | SELL | $7.32 | 4,013,452 | $29,368,435 | 36,366 |
| 2026-07-08 20:29 | 2026-07-07 | BFLY | Butterfly Network, Inc. | Doherty John N. | Officer | SELL | $7.87 | 55,229 | $434,818 | 1,454,412 |
| 2026-07-08 20:32 | 2026-07-07 | BFLY | Butterfly Network, Inc. | Ku Victor | Officer | SELL | $7.87 | 35,649 | $280,665 | 1,063,639 |
| 2026-07-08 20:25 | 2026-07-07 | BFLY | Butterfly Network, Inc. | DEVIVO JOSEPH | Director, Officer | SELL | $7.87 | 204,725 | $1,611,800 | 7,883,844 |
| 2026-07-07 20:10 | 2026-07-02 | BFLY | Butterfly Network, Inc. | Carlson Megan | Officer | SELL | $7.96 | 41,303 | $328,937 | 465,906 |
| 2026-06-15 20:05 | 2026-06-10 | NNOX | Nano-X Imaging Ltd. | Alroy Erez | Director | SELL | $1.65 | 678 | $1,119 | 17,075 |
| 2026-06-09 21:19 | 2026-06-05 | BFLY | Butterfly Network, Inc. | Cashman Steve | Officer | SELL | $4.74 | 399,461 | $1,893,325 | 1,630,407 |
| 2026-06-04 20:02 | 2026-06-02 | BFLY | Butterfly Network, Inc. | Caezza Nicholas | Officer | SELL | $4.52 | 1,733 | $7,831 | 310,307 |
| 2026-05-26 22:44 | 2026-05-22 | GEHC | GE HealthCare Technologies Inc. | Lobo Kevin | Director | BUY | $64.18 | 10,000 | $641,800 | 14,363 |
| 2026-05-13 20:19 | 2026-05-12 | GEHC | GE HealthCare Technologies Inc. | Hochman Rodney F | Director | BUY | $62.03 | 1,618 | $100,365 | 1,618 |
| 2026-05-12 00:16 | 2026-05-08 | GEHC | GE HealthCare Technologies Inc. | Yang Watkin Phoebe L. | Director | BUY | $63.01 | 1,000 | $63,006 | 13,702 |
| 2026-05-07 20:09 | 2026-05-06 | GEHC | GE HealthCare Technologies Inc. | Stromberg William J | Director | BUY | $61.69 | 1,000 | $61,689 | 15,330 |
| 2026-05-07 20:14 | 2026-05-06 | GEHC | GE HealthCare Technologies Inc. | CULP H LAWRENCE JR | Director | BUY | $61.88 | 80,805 | $5,000,076 | 151,207 |
| 2026-05-05 20:05 | 2026-05-01 | BFLY | Butterfly Network, Inc. | Carlson Megan | Officer | SELL | $4.75 | 110,422 | $524,394 | 507,209 |
| 2026-05-01 20:04 | 2026-04-29 | BFLY | Butterfly Network, Inc. | Cashman Steve | Officer | SELL | $4.91 | 147,518 | $724,166 | 2,029,868 |
| 2026-05-01 15:38 | 2026-05-01 | GEHC | GE HealthCare Technologies Inc. | SACCARO JAMES | Officer | BUY | $60.60 | 3,310 | $200,585 | 87,471 |
| 2026-04-17 20:02 | 2026-04-16 | BFLY | Butterfly Network, Inc. | Cashman Steve | Officer | SELL | $5.22 | 200,000 | $1,044,400 | 2,177,386 |
| 2026-03-07 00:05 | 2026-03-05 | BFLY | Butterfly Network, Inc. | DEVIVO JOSEPH | Director, Officer | SELL | $3.71 | 482,149 | $1,788,291 | 8,030,899 |
| 2026-03-05 00:11 | 2026-03-03 | BFLY | Butterfly Network, Inc. | Carlson Megan | Officer | SELL | $3.71 | 41,978 | $155,822 | 617,631 |
| 2026-03-05 00:11 | 2026-03-03 | BFLY | Butterfly Network, Inc. | Caezza Nicholas | Officer | SELL | $3.71 | 14,209 | $52,744 | 312,040 |
| 2026-03-05 00:11 | 2026-03-03 | BFLY | Butterfly Network, Inc. | DEVIVO JOSEPH | Director, Officer | SELL | $3.71 | 161,275 | $598,653 | 8,513,048 |
| 2026-03-05 00:11 | 2026-03-03 | BFLY | Butterfly Network, Inc. | Cashman Steve | Officer | SELL | $3.71 | 42,540 | $157,908 | 2,377,386 |
| 2026-03-03 00:23 | 2026-02-26 | BFLY | Butterfly Network, Inc. | Cashman Steve | Officer | SELL | $4.35 | 250,000 | $1,087,000 | 1,931,884 |
| 2026-01-10 00:02 | 2026-01-07 | BFLY | Butterfly Network, Inc. | Doherty John N. | Officer | SELL | $3.98 | 60,182 | $239,524 | 1,234,688 |
| 2026-01-09 02:14 | 2026-01-06 | BFLY | Butterfly Network, Inc. | ROTHBERG JONATHAN M | Director, 10% owner | SELL | $4.12 | 1,140,180 | $4,695,603 | 0 |
| 2026-01-08 00:06 | 2026-01-05 | BFLY | Butterfly Network, Inc. | Ku Victor | Officer | SELL | $3.82 | 35,968 | $137,398 | 811,962 |
| 2025-12-30 00:05 | 2025-12-23 | BFLY | Butterfly Network, Inc. | ROTHBERG JONATHAN M | Director, 10% owner | SELL | $4.01 | 62,365 | $249,909 | 1,140,180 |
| 2025-12-18 00:10 | 2025-12-15 | BFLY | Butterfly Network, Inc. | Phanstiel S. Louise | Director | BUY | $3.08 | 185,261 | $571,160 | 185,261 |
| 2025-12-18 01:56 | 2025-12-15 | BFLY | Butterfly Network, Inc. | ROTHBERG JONATHAN M | Director, 10% owner | SELL | $3.16 | 886,294 | $2,796,523 | 1,202,545 |
| 2025-12-16 02:20 | 2025-12-11 | BFLY | Butterfly Network, Inc. | ROBBINS LARRY | Director, 10% owner | BUY | $3.02 | 21,370 | $64,471 | 14,335,055 |
| 2025-12-13 02:58 | 2025-12-10 | BFLY | Butterfly Network, Inc. | ROTHBERG JONATHAN M | Director, 10% owner | SELL | $3.11 | 605,565 | $1,880,764 | 0 |
| 2025-12-11 04:27 | 2025-12-08 | BFLY | Butterfly Network, Inc. | ROTHBERG JONATHAN M | Director, 10% owner | SELL | $3.24 | 945,397 | $3,064,504 | 111,031 |
| 2025-12-09 04:56 | 2025-12-04 | BFLY | Butterfly Network, Inc. | ROTHBERG JONATHAN M | Director, 10% owner | SELL | $3.08 | 101,796 | $313,063 | 543,601 |
| 2025-12-06 01:40 | 2025-12-03 | BFLY | Butterfly Network, Inc. | ROBBINS LARRY | Director, 10% owner | BUY | $2.99 | 1,558,541 | $4,652,712 | 14,313,685 |
| 2025-12-05 00:49 | 2025-12-02 | BFLY | Butterfly Network, Inc. | Caezza Nicholas | Officer | SELL | $2.83 | 1,686 | $4,770 | 231,035 |
Sector-Wide Insider Alpha
Analyzing insider movements across the X-Ray Apparatus & Tubes & Related Irradiation Apparatus sector provides a macro-view of executive conviction. When multiple leaders in different companies within the same SIC code (3844) simultaneously buy shares, it often indicates an industry-wide undervaluation or a positive shift in market cycles.
SEC Filings in X-Ray Apparatus & Tubes & Related Irradiation Apparatus
Every transaction in the X-Ray Apparatus & Tubes & Related Irradiation Apparatus industry is reported via Form 4 disclosures. By filtering these filings by industry, investors can detect institutional-scale sentiment shifts before they are reflected in broader market indices, following the capital flow of those with intimate industry knowledge.
UNDERSTANDING THE DATA
FILING DATE: The date and time when the transaction was reported to the SEC. This is when the public first receives the information.
TRADE DATE: The actual day the insider executed the purchase or sale in the market.
INDUSTRY: The specific market sector the company operates in. Useful for identifying broader institutional capital flows across sectors.
OWNED AFTER: The total number of shares held by the insider following the transaction. This highlights the insider's remaining conviction in the company.
CHANGE %: The percentage increase or decrease of the insider's total position. Large percentage changes often carry more weight than the dollar amount alone.
TRADE TYPES DEFINITIONS
BUY: An open market purchase. Typically indicates an insider's belief that the stock is undervalued or poised for growth.
SELL: An open market sale. While often used for diversification or liquidity, large or unexpected sales can be a warning signal.
OPT+S (OPTION EXERCISE & SALE): This occurs when an insider exercises their stock options and sells them immediately. Often part of a structured compensation plan.