Why insider trading matters?

Numerous studies have examined whether there is evidence that U.S. insiders systematically trade on private information despite the legal deterrence. The consensus appears to be that insider purchases (but not sales) tend to be followed by positive abnormal stock price performance, particularly for small growth stocks.

- Prof. B. Espen Eckbo, Dartmouth College
GRIFFON CORP (GFF)
Sector: Industrials; Industry: Tools & Accessories

Griffon Corporation, through its subsidiaries, engages in the consumer and professional products, home and building products, and defense electronics businesses in the United States, Canada, Australia, Europe, and internationally. The company's Home & Building Products segment manufactures and markets residential and commercial sectional garage doors through professional dealers and home center retail chains under the Clopay, Ideal, and Holmes brands; and rolling steel door and grille products for commercial, industrial, institutional, and retail use under the CornellCookson brand. Its Defense Electronics segment provides intelligence, surveillance, and communications solutions for defense, aerospace, and commercial customers; and designs, develops, manufactures, and provides logistical support and lifecycle sustainment services to defense, aerospace and commercial customers. The company was formerly known as Instrument Systems Corporation and changed its name to Griffon Corporation in 1995.


Trade Date Insider Title Buy/Sell #Shares Price Value Option
2021-12-21 Sullivan Kevin F Director Buy 3,500 $26.24 $91,840 No
2021-12-22 Johnson Lacy M. Director Buy 2,500 $28.04 $70,100 No
2021-12-21 Coben Jerome L Director Buy 2,000 $26.41 $52,820 No
2021-12-21 Grabowsky Louis J. Director Buy 5,900 $25.63 $151,217 No
2021-12-21 BROSIG THOMAS Director Buy 1,922 $25.96 $49,895 No
2021-02-08 Kaplan Seth L. Sr VP, Gen. Counsel and Secy Sell 19,103 $24.93 $476,238 No
2021-02-05 Kaplan Seth L. Sr VP, Gen. Counsel and Secy Sell 40,897 $24.02 $982,240 No
2020-12-04 ALPERT HENRY A Director Buy 5,000 $20.02 $100,100 No
2020-11-16 Coben Jerome L Director Buy 1,000 $19.95 $19,950 No
2020-08-21 KRAMER RONALD J Chairman of the Board and CEO Sell 500,000 $21.50 $10,750,000 No
2020-03-26 Sullivan Kevin F Director Buy 8,500 $11.60 $98,583 No
2020-03-27 BROSIG THOMAS Director Buy 4,075 $12.02 $48,961 No
2020-02-06 Sullivan Kevin F Director Buy 5,000 $19.82 $99,100 No
2018-12-03 Durborow W. Christopher VP, Controller and CAO Buy 2,550 $11.94 $30,447 No
2018-12-04 Harris Brian G SVP, Chief Financial Officer Buy 4,000 $11.72 $46,900 No
2018-12-04 Kaplan Seth L. Sr VP, Gen. Counsel and Secy Buy 4,500 $11.62 $52,290 No
2018-11-29 KRAMER RONALD J Chairman of the Board and CEO Buy 10,000 $12.32 $123,250 No
2018-11-27 KRAMER RONALD J Chairman of the Board and CEO Buy 10,000 $12.04 $120,400 No
2018-11-23 Harris Brian G SVP, Chief Financial Officer Buy 2,000 $11.80 $23,600 No
2018-11-23 KRAMER RONALD J Chairman of the Board and CEO Buy 10,000 $12.29 $122,900 No
2018-11-19 KRAMER RONALD J Chairman of the Board and CEO Buy 29,997 $12.12 $363,663 No
2018-08-03 ALPERT HENRY A Director Buy 5,000 $18.09 $90,450 No
2018-06-19-04:00 Gross Bradley J. Director Sell 5,583,375 $17.05 $95,224,461 No
2018-06-19-04:00 GOLDMAN SACHS GROUP INC 10%-Owner Sell 5,583,375 $17.05 $95,224,461 No
2018-06-18 TURNBULL CHERYL L Director Buy 10,625 $18.00 $191,250 No
2018-02-02 Grabowsky Louis J. Director Buy 2,500 $18.33 $45,825 No
2017-11-21 Grabowsky Louis J. Director Buy 11,000 $23.30 $256,300 No
2016-12-09 BLAU HARVEY R Chairman of the Board Sell 360,000 $25.18 $9,064,982 No
2016-12-02 ALPERT HENRY A Director Sell 14,980 $23.55 $352,779 No
2016-05-16 Grabowsky Louis J. Director Buy 1,500 $16.52 $24,780 No

Insider Smart

Carvana Co (CVNA) - One of the best timed insider buying in the crash is from GARCIA ERNEST C. II 10%-owner of CVNA. Bought at 45 and now with a 100%+ profit.

Insider Smart

Planet Fitness, Inc (PLNT) - Our position in PLNT is also inspired by insider trading, if insiders are comfortable and confident buying around $50, it is an easy hold if you can pick it up at an even lower price. Our avg cost of the position is ~$40 and is now with 50% profit.