Robert M Buck Net Worth - Insider Trades and Bio as of Jun 27, 2026

BLDTopBuild CorpSEC CIK: 0001644960

Estimated Net Worth

$58.5 Million0.0%vs Last Year

Last Updated: May 19, 2026 11:42 PM EST

Transaction Summary

Total Transactions68

Buy-Sell Ratio0.00

Buy Transactions0

Sell Transactions24

Transaction Volume

Total Volume-$34.92M

Net Volume$34.92M

Buy Volume$0.00

Sell Volume-$34.92M

Trade Analysis

AVG Trade Size-$142.71K

Largest Trade$5.85M

Most Active MonthFeb

Most Active Year2019

Trading Sentiment

OverallBullish

Recent TradeNeutral

Last 90 Days0 Trades

ConvictionNone

Net Worth & Trading Activity Over Time

Monthly Trading Pattern

Past Insider Trading and Trends

Robert M Buck has an estimated net worth of $58.5 Million. This is based on reported shares across multiple companies, which include TopBuild Corp, and Core & Main, Inc..

2019 was Robert M Buck's most active year for acquiring shares with 7 total transactions. Robert M Buck's most active month to acquire stocks was the month of January. 2019 was Robert M Buck's most active year for disposing of shares, totalling 32 transactions. Robert M Buck's most active month to dispose stocks was the month of January. 2022 saw Robert M Buck paying a total of $5,950,910.64 for 30,694 shares, this is the most they've acquired in one year. In 2024 Robert M Buck cashed out on 17,769 shares for a total of $7,224,826.49, their largest year based on trade value.

Holdings & Transactions

BLDtopbuild corp

President and CEO

Updated: Feb 18, 2026VIEW QUOTE

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	0.17	10.73K	$545.06	$5.85M	Feb 18, 2026	73.96K	Grant	—	Feb 17	View
From 4	-0.07	5.00K	$453.39	-$2.27M	Dec 12, 2025	63.23K	Sale	—	Dec 11	View
From 4	-0.07	5.00K	$418.01	-$2.09M	Nov 10, 2025	68.23K	Sale	—	Nov 07	View
From 4	-0.09	7.35K	$415.19	-$3.05M	Aug 08, 2025	73.23K	Sale	—	Aug 07	View
From 4	0.24	16.50K	$321.33	$5.30M	Feb 20, 2025	85.96K	Grant	—	Feb 18	View
From 4	-0.03	2.50K	$418.05	-$1.05M	Jun 13, 2024	69.47K	Sale	—	Jun 12	View
From 4	-0.18	15.27K	$404.47	-$6.18M	May 10, 2024	71.97K	Sale	—	May 09	View
From 4	0.18	12.25K	$383.69	$4.70M	Feb 21, 2024	79.08K	Grant	—	Feb 20	View
From 4	-0.04	2.50K	$374.60	-$936.50K	Dec 18, 2023	66.83K	Sale	—	Dec 15	View
From 4	-0.06	4.50K	$296.02	-$1.33M	Nov 30, 2023	69.33K	Sale	—	Nov 29	View
From 4	-0.06	4.50K	$301.76	-$1.36M	Aug 14, 2023	73.83K	Sale	—	Aug 14	View
From 4	-0.09	7.68K	$240.13	-$1.84M	Jun 15, 2023	78.33K	Sale	—	Jun 13	View
From 4	0.08	5.83K	$198.00	$1.15M	Feb 23, 2023	82.80K	Grant	—	Feb 22	View
From 4	0.40	21.96K	$191.25	$4.20M	Feb 23, 2023	76.97K	Grant	—	Feb 21	View
From 4	-0.50	3.21K	$200.00	-$641.40K	May 19, 2022	3.21K	Options	—	May 17	View
From 4	-1.00	5.73K	$215.16	-$1.23M	Mar 16, 2022	—	Options	—	Mar 15	View
From 4	0.28	12.07K	$219.56	$2.65M	Feb 23, 2022	55.01K	Grant	—	Feb 22	View
From 4	0.49	14.13K	$233.46	$3.30M	Feb 16, 2022	42.94K	Grant	—	Feb 15	View
From 4	-0.06	2.00K	$273.33	-$546.66K	Dec 16, 2021	28.80K	Sale	—	Dec 15	View
From 4	-0.11	4.00K	$264.46	-$1.06M	Nov 08, 2021	30.80K	Sale	—	Nov 05	View
From 4	-0.62	19.69K	—	—	Mar 11, 2021	12.15K	Options	—	Mar 09 - 10	View
From 4	0.31	8.17K	$201.17	$1.64M	Feb 24, 2021	34.80K	Grant	—	Feb 22	View
From 4	0.32	16.70K	$214.58	$1.38M	Feb 18, 2021	68.74K	Grant	—	Feb 16	View
From 4	-0.09	2.00K	$159.69	-$319.38K	Sep 02, 2020	20.20K	Sale	—	Sep 01	View
From 4	-0.35	11.81K	$83.34	-$1.39M	Aug 10, 2020	22.20K	Sale	—	Aug 07	View
From 4	-0.06	1.45K	$123.46	-$179.39K	Jul 16, 2020	24.43K	Tax	—	Jul 15	View
From 4	-0.10	3.00K	$100.03	-$300.08K	May 11, 2020	25.89K	Sale	—	May 08	View
From 4	-0.42	36.37K	$75.26	-$2.70M	Mar 02, 2020	51.10K	Sale	—	Feb 27	View
From 4	0.59	15.38K	$123.01	-$1.18M	Feb 25, 2020	41.39K	Grant	—	Feb 21 - 22	View
From 4	—	9.62K	—	—	Feb 19, 2020	9.62K	Grant	—	Feb 17	View
From 4	-0.01	327.00	$105.52	-$34.51K	Jan 16, 2020	26.01K	Tax	—	Jan 14	View
From 4/A	-0.14	4.14K	$109.94	-$455.69K	Jan 03, 2020	26.34K	Sale	—	Nov 04	View
From 4	-0.10	3.40K	$109.29	-$371.69K	Nov 06, 2019	30.48K	Sale	—	Nov 04	View
From 4	-0.23	15.71K	$64.82	-$819.03K	Aug 07, 2019	51.72K	Sale	—	Aug 05 - 06	View
From 4	-0.04	1.45K	$82.81	-$120.32K	Jul 17, 2019	35.88K	Tax	—	Jul 15	View
From 4	-0.01	190.00	$81.02	-$15.39K	Jul 03, 2019	37.33K	Tax	—	Jul 01	View
From 4	-0.09	3.50K	$85.00	-$297.50K	May 17, 2019	37.52K	Sale	—	May 16	View
From 4	-0.18	10.89K	$59.96	-$603.87K	May 13, 2019	48.41K	Sale	—	May 09	View
From 4	-0.31	26.07K	$42.38	-$1.08M	Mar 04, 2019	57.76K	Sale	—	Feb 28	View
From 4	—	17.20K	—	—	Mar 01, 2019	17.20K	Grant	—	Feb 18	View
From 4	0.42	15.88K	$58.08	-$607.75K	Feb 26, 2019	53.52K	Grant	—	Feb 22	View
From 4	-0.04	1.48K	$48.99	-$72.46K	Jan 16, 2019	37.64K	Tax	—	Jan 14	View
From 4	-0.29	23.58K	$52.21	-$1.56M	Aug 13, 2018	58.27K	Sale	—	Aug 09	View
From 4	-0.03	1.45K	$80.13	-$116.43K	Jul 17, 2018	53.12K	Tax	—	Jul 15	View
From 4	-0.00	190.00	$78.34	-$14.88K	Jul 03, 2018	54.57K	Tax	—	Jul 01	View
From 4	-0.32	60.69K	$51.07	-$2.80M	Mar 08, 2018	128.58K	Sale	—	Mar 06	View
From 4	—	12.39K	—	—	Mar 02, 2018	12.39K	Grant	—	Feb 19	View
From 4	-0.01	598.00	$72.76	-$43.51K	Feb 26, 2018	54.76K	Tax	—	Feb 22	View
From 4	-0.04	2.57K	$76.89	-$197.68K	Jan 17, 2018	55.36K	Tax	—	Jan 14	View
From 4	-0.02	1.01K	$53.00	-$53.53K	Jul 18, 2017	57.93K	Tax	—	Jul 15	View
From 4	-0.00	264.00	$53.07	-$14.01K	Jul 05, 2017	58.94K	Tax	—	Jul 01	View
From 4	-0.14	10.00K	$52.00	-$520.00K	May 12, 2017	59.20K	Sale	—	May 11	View
From 4	—	22.16K	—	—	Mar 02, 2017	22.16K	Grant	—	Feb 21	View
From 4	-0.01	598.00	$38.62	-$23.09K	Feb 24, 2017	69.20K	Tax	—	Feb 22	View
From 4	-0.04	3.07K	$37.62	-$115.38K	Jan 18, 2017	66.40K	Tax	—	Jan 14	View
From 4	-0.02	1.32K	$37.48	-$49.43K	Jul 19, 2016	69.47K	Tax	—	Jul 01 - 15	View
From 4	—	31.37K	—	—	Feb 24, 2016	31.37K	Grant	—	Feb 22	View
From 4	0.74	44.02K	—	—	Feb 24, 2016	103.88K	Grant	—	Feb 22	View
From 4/A	-0.07	4.41K	$24.75	-$109.02K	Feb 12, 2016	59.86K	Tax	—	Jan 14	View
From 4	-0.08	5.11K	$24.75	-$126.55K	Jan 19, 2016	59.15K	Tax	—	Jan 14	View
From 4	-0.01	378.00	$27.00	-$10.21K	Jul 23, 2015	64.26K	Tax	—	Jul 21	View
From 4	—	112.53K	—	—	Jul 10, 2015	112.53K	Acq/Dis	—	Jul 08	View
From 3	—	—	—	—	Jun 24, 2015	—	—	—	—	View

CNMcore & main, inc.

Updated: Jun 26, 2025VIEW QUOTE

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	0.20	2.19K	—	—	Jun 26, 2025	13.05K	Grant	—	Jun 24	View
From 4	0.29	2.45K	—	—	Jun 28, 2024	10.86K	Grant	—	Jun 26	View
From 4	0.88	3.93K	—	—	Jun 30, 2023	8.41K	Grant	—	Jun 28	View
From 4	—	4.49K	—	—	Sep 07, 2022	4.49K	Grant	—	Sep 05	View
From 3	—	—	—	—	Sep 07, 2022	—	—	—	—	View

Benzinga

Benzinga

Net Worth & Trading Activity Over Time

Monthly Trading Pattern

Past Insider Trading and Trends

Holdings & Transactions