Opeators of Nonresidential Buildings
Standard Industrial Classification: SIC 6512
Industry Insider Sentiment Analysis
The Opeators of Nonresidential Buildings sector (SIC 6512) acts as a critical barometer for broader economic health. Our real-time monitoring reveals 404 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-09-08 23:43 | 2025-09-08 | GYRO | Gyrodyne, LLC | TOWERVIEW LLC | 10% owner | SELL | $12.55 | 1,973 | $24,761 | 338,107 |
| 2025-08-05 16:00 | 2025-08-04 | GYRO | Gyrodyne, LLC | TOWERVIEW LLC | 10% owner | SELL | $12.10 | 916 | $11,084 | 340,080 |
| 2025-08-05 15:46 | 2025-08-04 | GYRO | Gyrodyne, LLC | TOWERVIEW LLC | 10% owner | SELL | $12.10 | 1,216 | $14,714 | 340,080 |
| 2025-05-05 23:29 | 2025-05-02 | PDM | Piedmont Realty Trust, Inc. | Smith Christopher Brent | Director, Officer | BUY | $6.59 | 16,615 | $109,493 | 440,492 |
| 2025-05-05 23:29 | 2025-05-01 | PDM | Piedmont Realty Trust, Inc. | Taysom Dale H. | Director | BUY | $6.00 | 3,000 | $18,000 | 67,767 |
| 2025-05-01 23:15 | 2025-05-01 | PDM | Piedmont Realty Trust, Inc. | REXROAD SHERRY L | Officer | BUY | $5.95 | 16,850 | $100,258 | 16,850 |
| 2025-02-11 00:32 | 2025-02-06 | TPHS | Trinity Place Holdings Inc. | MFP PARTNERS LP | 10% owner | SELL | $0.05 | 300,000 | $15,000 | 8,232,617 |
| 2024-10-21 23:05 | 2024-10-18 | GYRO | Gyrodyne, LLC | TOWERVIEW LLC | 10% owner | SELL | $11.38 | 7,004 | $79,678 | 340,996 |
| 2024-09-04 04:08 | 2024-04-01 | GYRO | Gyrodyne, LLC | LAMB PAUL L | Director | SELL | $7.99 | 4,368 | $34,916 | 30,542 |
| 2024-08-12 23:13 | 2024-08-09 | GYRO | Gyrodyne, LLC | TOWERVIEW LLC | 10% owner | BUY | $7.77 | 1,000 | $7,770 | 348,000 |
| 2024-06-25 23:05 | 2024-06-20 | ZDPY | Zoned Properties, Inc. | OVERSTREET DEREK | Director | BUY | $0.60 | 10,800 | $6,480 | 109,037 |
| 2024-06-24 23:21 | 2024-06-20 | ZDPY | Zoned Properties, Inc. | OVERSTREET DEREK | Director | SELL | $0.60 | 10,800 | $6,480 | 109,037 |
| 2024-06-07 23:11 | 2024-06-05 | TPHS | Trinity Place Holdings Inc. | MFP PARTNERS LP | 10% owner | SELL | $0.16 | 350,000 | $55,685 | 8,532,617 |
| 2024-05-20 23:55 | 2024-05-15 | TPHS | Trinity Place Holdings Inc. | MFP PARTNERS LP | 10% owner | SELL | $0.15 | 350,000 | $53,655 | 8,882,617 |
| 2024-05-02 23:18 | 2024-05-01 | GYRO | Gyrodyne, LLC | TOWERVIEW LLC | 10% owner | BUY | $7.81 | 2,270 | $17,719 | 347,000 |
| 2024-05-02 02:51 | 2024-04-30 | ABCP | AmBase Corp | Barc Investments LLC | 10% owner | BUY | $0.21 | 909,691 | $191,035 | 59,860,151 |
| 2024-04-18 15:54 | 2024-04-16 | GYRO | Gyrodyne, LLC | TOWERVIEW LLC | 10% owner | BUY | $7.84 | 2,434 | $19,083 | 344,730 |
| 2024-04-04 20:03 | 2024-04-01 | GYRO | Gyrodyne, LLC | LAMB PAUL L | Director | SELL | $7.99 | 4,368 | $34,916 | 111,328 |
| 2024-03-08 00:03 | 2024-02-28 | ABCP | AmBase Corp | Barc Investments LLC | 10% owner | BUY | $0.20 | 44,200,460 | $8,840,092 | 60,200,460 |
| 2024-02-21 03:36 | 2024-02-15 | ABCP | AmBase Corp | Camac Fund, LP | 10% owner | SELL | $0.24 | 3,178,307 | $754,530 | 4,227,465 |
| 2023-12-22 19:01 | 2023-12-21 | MAYS | MAYS J W INC | Gailoyd Enterprises Corp. | 10% owner | BUY | $43.89 | 3,500 | $153,615 | 709,003 |
| 2023-10-12 01:49 | 2023-10-09 | ABCP | AmBase Corp | Camac Fund, LP | 10% owner | SELL | $0.15 | 50,000 | $7,500 | 7,405,772 |
| 2023-09-27 00:50 | 2023-09-22 | ABCP | AmBase Corp | Camac Fund, LP | 10% owner | SELL | $0.16 | 70,000 | $10,871 | 7,455,772 |
| 2023-09-13 01:10 | 2023-09-08 | ABCP | AmBase Corp | Camac Fund, LP | 10% owner | SELL | $0.15 | 50,000 | $7,500 | 7,525,772 |
| 2023-08-29 22:14 | 2023-08-25 | ABCP | AmBase Corp | Camac Fund, LP | 10% owner | SELL | $0.15 | 100,000 | $15,000 | 7,575,772 |
| 2023-06-30 01:48 | 2023-06-27 | ABCP | AmBase Corp | Camac Fund, LP | 10% owner | SELL | $0.15 | 202,500 | $30,375 | 7,675,772 |
| 2023-06-15 00:47 | 2023-06-12 | ABCP | AmBase Corp | Camac Fund, LP | 10% owner | SELL | $0.15 | 112,000 | $16,800 | 7,878,272 |
| 2023-06-09 23:08 | 2023-06-07 | ABCP | AmBase Corp | Camac Fund, LP | 10% owner | SELL | $0.15 | 15,000 | $2,250 | 7,990 |
| 2023-05-30 20:35 | 2023-05-26 | ABCP | AmBase Corp | BIANCO RICHARD A | Director, Officer | BUY | $74,500.00 | 745,000 | $55,502,500,000 | 1,622,547 |
| 2023-05-27 02:29 | 2023-05-24 | ABCP | AmBase Corp | Camac Fund, LP | 10% owner | SELL | $0.10 | 1,012,000 | $101,200 | 8,005,272 |
| 2023-05-25 00:38 | 2023-05-22 | ZDPY | Zoned Properties, Inc. | OVERSTREET DEREK | Director | BUY | $0.66 | 5,000 | $3,300 | 98,237 |
| 2023-05-22 23:19 | 2023-05-18 | ZDPY | Zoned Properties, Inc. | Gauthier Daniel Ryan | Officer | BUY | $0.67 | 5,000 | $3,338 | 15,850 |
| 2023-05-22 23:06 | 2023-05-18 | ZDPY | Zoned Properties, Inc. | McLaren Bryan | Director, Officer | BUY | $0.67 | 10,000 | $6,700 | 62,500 |
| 2023-05-10 20:33 | 2023-05-08 | ABCP | AmBase Corp | Camac Fund, LP | 10% owner | SELL | $0.10 | 30,000 | $3,000 | 9,017,272 |
| 2023-04-15 00:30 | 2023-04-13 | TPHS | Trinity Place Holdings Inc. | Messinger, Matthew | Director, Officer | BUY | $0.40 | 808 | $321 | 2,049,658 |
| 2023-04-13 23:45 | 2023-04-11 | TPHS | Trinity Place Holdings Inc. | Messinger, Matthew | Director, Officer | BUY | $0.42 | 606 | $257 | 2,048,850 |
| 2023-04-11 01:53 | 2023-04-10 | TPHS | Trinity Place Holdings Inc. | Messinger, Matthew | Director, Officer | BUY | $0.43 | 1,010 | $434 | 2,021,700 |
| 2023-04-07 20:20 | 2023-04-04 | ZDPY | Zoned Properties, Inc. | FRIEDMAN ART | Director | BUY | $0.70 | 2,100 | $1,470 | 146,825 |
| 2023-04-07 00:44 | 2023-04-04 | ZDPY | Zoned Properties, Inc. | Gauthier Daniel Ryan | Officer | BUY | $0.72 | 1,100 | $795 | 10,850 |
| 2023-04-07 00:05 | 2023-04-04 | ZDPY | Zoned Properties, Inc. | OVERSTREET DEREK | Director | BUY | $0.75 | 8,237 | $6,160 | 93,237 |
| 2023-04-06 02:22 | 2023-04-03 | ZDPY | Zoned Properties, Inc. | McLaren Bryan | Director, Officer | BUY | $0.73 | 2,500 | $1,825 | 52,500 |
| 2023-04-04 00:02 | 2023-04-03 | TPHS | Trinity Place Holdings Inc. | Messinger, Matthew | Director, Officer | BUY | $0.45 | 1,108 | $499 | 2,020,690 |
| 2023-03-21 23:31 | 2023-03-20 | PDM | Piedmont Realty Trust, Inc. | BARRETT KELLY HEFNER | Director | BUY | $7.05 | 10,000 | $70,544 | 45,762 |
| 2023-03-21 23:31 | 2023-03-20 | PDM | Piedmont Realty Trust, Inc. | Taysom Dale H. | Director | BUY | $6.99 | 2,000 | $13,975 | 41,976 |
| 2023-03-21 23:31 | 2023-03-20 | PDM | Piedmont Realty Trust, Inc. | Swope Jeffrey L. | Director | BUY | $7.16 | 70,000 | $501,473 | 197,518 |
| 2023-03-20 23:45 | 2023-03-20 | PDM | Piedmont Realty Trust, Inc. | Lang Barbara B | Director | BUY | $7.15 | 348 | $2,487 | 25,679 |
| 2023-03-20 23:45 | 2023-03-17 | PDM | Piedmont Realty Trust, Inc. | Guilbert Edward H III | Officer | BUY | $7.00 | 2,850 | $19,950 | 74,343 |
| 2023-03-20 23:45 | 2023-03-17 | PDM | Piedmont Realty Trust, Inc. | Bowers Robert E | Officer | BUY | $6.99 | 2,000 | $13,976 | 343,105 |
| 2023-03-15 23:44 | 2023-03-15 | PDM | Piedmont Realty Trust, Inc. | Smith Christopher Brent | Director, Officer | BUY | $7.67 | 7,000 | $53,690 | 276,814 |
| 2023-02-22 00:18 | 2023-02-17 | TPHS | Trinity Place Holdings Inc. | Messinger, Matthew | Director, Officer | BUY | $0.91 | 202 | $184 | 2,019,582 |
Sector-Wide Insider Alpha
Analyzing insider movements across the Opeators of Nonresidential Buildings sector provides a macro-view of executive conviction. When multiple leaders in different companies within the same SIC code (6512) simultaneously buy shares, it often indicates an industry-wide undervaluation or a positive shift in market cycles.
SEC Filings in Opeators of Nonresidential Buildings
Every transaction in the Opeators of Nonresidential Buildings 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.