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The range of prices for these sales was $43.94 to $44.40."}],"balance_after":399396,"source":{"system":"sec-edgar","filing":"0001209191-18-052243","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1380509/000120919118052243/doc4.xml","form_type":"4"}},{"id":3807098,"issuer":{"id":156327,"kind":"organization","name":"HFF, Inc.","symbol":"HF"},"owners":[{"id":48098,"kind":"person","name":"Gibson Mark","position":1,"cik":"0001387771","reported_name":"Gibson Mark","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A common stock","published_at":"2018-09-26T09:34:54.000Z","date":"2018-09-24","kind":"sale","acquired":false,"shares":12131,"price":43.92,"value":532793.52,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 24, 2018."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This is the weighted average price at which the securities were sold. The range of prices for these sales was $43.53 to $44.05."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Full information regarding the number of shares sold at each separate price is available upon request by the SEC staff, the issuer or any security holder of the issuer."}],"balance_after":422028,"source":{"system":"sec-edgar","filing":"0001209191-18-052243","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1380509/000120919118052243/doc4.xml","form_type":"4"}},{"id":3832501,"issuer":{"id":156327,"kind":"organization","name":"HFF, Inc.","symbol":"HF"},"owners":[{"id":48098,"kind":"person","name":"Gibson Mark","position":1,"cik":"0001387771","reported_name":"Gibson Mark","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A common stock","published_at":"2018-08-27T15:12:39.000Z","date":"2018-08-24","kind":"gift","acquired":false,"shares":15000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Bona fide gift of common stock donated to a charitable donor advised fund."}],"balance_after":434159,"source":{"system":"sec-edgar","filing":"0001209191-18-048462","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1380509/000120919118048462/doc4.xml","form_type":"4"}},{"id":3969279,"issuer":{"id":156327,"kind":"organization","name":"HFF, Inc.","symbol":"HF"},"owners":[{"id":48098,"kind":"person","name":"Gibson Mark","position":1,"cik":"0001387771","reported_name":"Gibson Mark","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A common stock","published_at":"2018-04-04T12:13:26.000Z","date":"2018-02-21","kind":"tax_withholding","acquired":false,"shares":52,"price":46.41,"value":2413.32,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F7","text":"Represents shares transferred to the Company for tax withholding in connection with the grant of restricted stock units of the Company's dividend, paid on February 21, 2018 to holders of record of the Company's Class A common stock on February 9, 2018."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F8","text":"On January 26, 2018, the Company declared a dividend, payable to all holders of record of Class A common stock on February 9, 2018, of $1.75 for each share of Class A common stock outstanding.   Pursuant to the terms of the Company's 2016 Equity Incentive Plan and the outstanding grants of restricted stock units (RSUs) of Class A common stock, any RSUs of Class A common stock that were unvested (or vested but not settled) as of the dividend record date were entitled, in lieu of any cash dividend, to a stock dividend for each unvested (or vested but not settled) RSU of Class A common stock equal to the per-share cash dividend amount divided by the fair market value of a share of Class A common stock on the dividend date. 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The range of prices for these sales was $38.41 - $39.27."}],"balance_after":434107,"source":{"system":"sec-edgar","filing":"0001209191-17-054238","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1380509/000120919117054238/doc4.xml","form_type":"4"}},{"id":4199806,"issuer":{"id":156327,"kind":"organization","name":"HFF, Inc.","symbol":"HF"},"owners":[{"id":48098,"kind":"person","name":"Gibson Mark","position":1,"cik":"0001387771","reported_name":"Gibson Mark","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A common stock","published_at":"2017-09-28T15:19:58.000Z","date":"2017-09-26","kind":"sale","acquired":false,"shares":7770,"price":38.75,"value":301087.5,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 18, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This is the weighted average price at which the securities were sold. The range of prices for these sales was $38.29 - $38.93."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Full information regarding the number of shares sold at each separate price is available upon request by the SEC staff, the issuer or any security holder of the issuer."}],"balance_after":447364,"source":{"system":"sec-edgar","filing":"0001209191-17-054238","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1380509/000120919117054238/doc4.xml","form_type":"4"}},{"id":4201432,"issuer":{"id":156327,"kind":"organization","name":"HFF, Inc.","symbol":"HF"},"owners":[{"id":48098,"kind":"person","name":"Gibson Mark","position":1,"cik":"0001387771","reported_name":"Gibson Mark","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A common stock","published_at":"2017-09-26T15:56:21.000Z","date":"2017-09-25","kind":"sale","acquired":false,"shares":10844,"price":38.08,"value":412939.52,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 18, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Full information regarding the number of shares sold at each separate price is available upon request by the SEC staff, the issuer or any security holder of the issuer."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This is the weighted average price at which the securities were sold. The range of prices for these sales was $37.76 - $38.38."}],"balance_after":455134,"source":{"system":"sec-edgar","filing":"0001209191-17-053940","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1380509/000120919117053940/doc4.xml","form_type":"4"}},{"id":4201431,"issuer":{"id":156327,"kind":"organization","name":"HFF, Inc.","symbol":"HF"},"owners":[{"id":48098,"kind":"person","name":"Gibson Mark","position":1,"cik":"0001387771","reported_name":"Gibson Mark","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A common stock","published_at":"2017-09-26T15:56:21.000Z","date":"2017-09-22","kind":"sale","acquired":false,"shares":13200,"price":38.48,"value":507936.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 18, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This is the weighted average price at which the securities were sold.  The range of prices for these sales was $38.02 - $38.58."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Full information regarding the number of shares sold at each separate price is available upon request by the SEC staff, the issuer or any security holder of the issuer."}],"balance_after":465978,"source":{"system":"sec-edgar","filing":"0001209191-17-053940","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1380509/000120919117053940/doc4.xml","form_type":"4"}},{"id":4203002,"issuer":{"id":156327,"kind":"organization","name":"HFF, Inc.","symbol":"HF"},"owners":[{"id":48098,"kind":"person","name":"Gibson Mark","position":1,"cik":"0001387771","reported_name":"Gibson Mark","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A common stock","published_at":"2017-09-22T10:41:33.000Z","date":"2017-09-21","kind":"sale","acquired":false,"shares":8724,"price":37.96,"value":331163.04,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 18, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Full information regarding the number of shares sold at each separate price is available upon request by the SEC staff, the issuer or any security holder of the issuer."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This is the weighted average price at which the securities were sold. The range of prices for these sales was $37.56 - $38.35."}],"balance_after":479178,"source":{"system":"sec-edgar","filing":"0001209191-17-053672","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1380509/000120919117053672/doc4.xml","form_type":"4"}},{"id":4203001,"issuer":{"id":156327,"kind":"organization","name":"HFF, Inc.","symbol":"HF"},"owners":[{"id":48098,"kind":"person","name":"Gibson Mark","position":1,"cik":"0001387771","reported_name":"Gibson Mark","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A common stock","published_at":"2017-09-22T10:41:33.000Z","date":"2017-09-20","kind":"sale","acquired":false,"shares":8874,"price":37.88,"value":336147.12,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 18, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This is the weighted average price at which the securities were sold.  The range of prices for these sales was $37.17 - $38.32."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Full information regarding the number of shares sold at each separate price is available upon request by the SEC staff, the issuer or any security holder of the issuer."}],"balance_after":487902,"source":{"system":"sec-edgar","filing":"0001209191-17-053672","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1380509/000120919117053672/doc4.xml","form_type":"4"}},{"id":4204625,"issuer":{"id":156327,"kind":"organization","name":"HFF, Inc.","symbol":"HF"},"owners":[{"id":48098,"kind":"person","name":"Gibson Mark","position":1,"cik":"0001387771","reported_name":"Gibson Mark","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A common stock","published_at":"2017-09-20T13:33:44.000Z","date":"2017-09-19","kind":"sale","acquired":false,"shares":22180,"price":37.1,"value":822878.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 18, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Full information regarding the number of shares sold at each separate price is available upon request by the SEC staff, the issuer or any security holder of the issuer."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"This is the weighted average price at which the securities were sold.  The range of prices for these sales was $36.84 - $37.39."}],"balance_after":496776,"source":{"system":"sec-edgar","filing":"0001209191-17-053435","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1380509/000120919117053435/doc4.xml","form_type":"4"}},{"id":4204624,"issuer":{"id":156327,"kind":"organization","name":"HFF, Inc.","symbol":"HF"},"owners":[{"id":48098,"kind":"person","name":"Gibson Mark","position":1,"cik":"0001387771","reported_name":"Gibson Mark","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A common stock","published_at":"2017-09-20T13:33:44.000Z","date":"2017-09-18","kind":"sale","acquired":false,"shares":15151,"price":37.33,"value":565586.83,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 18, 2017."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This is the weighted average price at which the securities were sold.  The range of prices for these sales was $36.89 - $37.60."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Full information regarding the number of shares sold at each separate price is available upon request by the SEC staff, the issuer or any security holder of the issuer."}],"balance_after":518956,"source":{"system":"sec-edgar","filing":"0001209191-17-053435","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1380509/000120919117053435/doc4.xml","form_type":"4"}},{"id":4222314,"issuer":{"id":156327,"kind":"organization","name":"HFF, Inc.","symbol":"HF"},"owners":[{"id":48098,"kind":"person","name":"Gibson Mark","position":1,"cik":"0001387771","reported_name":"Gibson Mark","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A common stock","published_at":"2017-08-29T14:48:12.000Z","date":"2017-08-29","kind":"gift","acquired":false,"shares":25000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Bona fide gift of common stock donated to a charitable donor advised fund."}],"balance_after":534107,"source":{"system":"sec-edgar","filing":"0001209191-17-050519","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1380509/000120919117050519/doc4.xml","form_type":"4"}},{"id":4337695,"issuer":{"id":156327,"kind":"organization","name":"HFF, Inc.","symbol":"HF"},"owners":[{"id":48098,"kind":"person","name":"Gibson Mark","position":1,"cik":"0001387771","reported_name":"Gibson Mark","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A common stock","published_at":"2017-05-02T18:06:29.000Z","date":"2017-02-21","kind":"tax_withholding","acquired":false,"shares":43,"price":30.72,"value":1320.96,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents shares transferred to the Company for tax withholding in connection with the grant of restricted stock units of the Company's Class A common stock in connection with the Company's dividend, paid on February 21, 2017 to holders of record of the Company's Class A common stock on February 9, 2017."}],"balance_after":559107,"source":{"system":"sec-edgar","filing":"0001209191-17-029352","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1380509/000120919117029352/doc4.xml","form_type":"4"}},{"id":4337694,"issuer":{"id":156327,"kind":"organization","name":"HFF, Inc.","symbol":"HF"},"owners":[{"id":48098,"kind":"person","name":"Gibson Mark","position":1,"cik":"0001387771","reported_name":"Gibson Mark","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A common stock","published_at":"2017-05-02T18:06:29.000Z","date":"2017-02-21","kind":"tax_withholding","acquired":false,"shares":96,"price":30.72,"value":2949.12,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F3","text":"Represents shares transferred to the Company for tax withholding in connection with the grant of restricted stock units of the Company's Class A common stock in connection with the Company's dividend, paid on February 21, 2017 to holders of record of the Company's Class A common stock on February 9, 2017."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"On January 24, 2017, the Company declared a dividend, payable to all holders of record of Class A common stock on February 9, 2016, of $1.57 for each share of Class A common stock outstanding. Pursuant to the terms of the Company's 2016 Equity Incentive Plan and the outstanding grants of restricted stock units (RSUs) of Class A common stock, any RSUs of Class A common stock that were unvested (or vested but not settled) as of the dividend record date were entitled, in lieu of any cash dividend, to a stock dividend for each unvested (or vested but not settled) RSU of Class A common stock equal to the per-share cash dividend amount divided by the fair market value of a share of Class A common stock on the dividend date. As a result, as of February 21, 2017, the reporting person received 1,534 additional RSUs of Class A common stock, subject to the vesting and distribution requirements of the underlying RSUs held by the reporting person."}],"balance_after":559150,"source":{"system":"sec-edgar","filing":"0001209191-17-029352","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1380509/000120919117029352/doc4.xml","form_type":"4"}},{"id":4337693,"issuer":{"id":156327,"kind":"organization","name":"HFF, Inc.","symbol":"HF"},"owners":[{"id":48098,"kind":"person","name":"Gibson Mark","position":1,"cik":"0001387771","reported_name":"Gibson Mark","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A common 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the Company under the Company's Office Profit Participation Bonus Plan, one-third of which will vest on each of February 14, 2018, February 14, 2019, and February 14, 2020."}],"balance_after":560452,"source":{"system":"sec-edgar","filing":"0001209191-17-011473","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1380509/000120919117011473/doc4.xml","form_type":"4"}},{"id":4442076,"issuer":{"id":156327,"kind":"organization","name":"HFF, Inc.","symbol":"HF"},"owners":[{"id":48098,"kind":"person","name":"Gibson Mark","position":1,"cik":"0001387771","reported_name":"Gibson Mark","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Executive Officer"}}],"security":"Class A common 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