United States Food & Tobacco

SiteOne Landscape Supply Inc (SITE)

Track

SiteOne Landscape Supply experienced notable insider trading activity following a recent earnings report miss. CEO Doug Black acquired 8,000 shares in August 2026, totaling over $800,000. This buying follows a period where the stock price declined nearly 19% over the last quarter, currently trading near its 52-week low.
Ticker: SITE Exchange: NYS
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for SiteOne Landscape Supply Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Buy 4 Aug 2026
Value US$2,780,640.60 | Price 490.37 | Shares 41,449 (-40.3%)
Buy 4 Aug 2026
Value US$3,971,206.61 | Price 382.81 | Shares 18,746 (-36.4%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-08-06 2026-08-04 B Purchase
2.5
BLACK DOUG

CEO

Executive Director
41,449 -40.3%
490.37
US$2,780,641 		41,449 -40.3% 490.37 US$2,780,641
2026-08-06 2026-08-04 B Purchase
2.5
BLACK DOUG

CEO

Executive Director
18,746 -36.4%
382.81
US$3,971,207 		18,746 -36.4% 382.81 US$3,971,207
2026-05-29 2026-05-28 PlS Planned sale
2.0
Diaz Fred M
Non-Executive Director
88,177 -23.7%
244.40
US$4,840,873 		88,177 -23.7% 244.40 US$4,840,873
2026-05-28 2026-05-28 PrS Proposed sale
2.0
Diaz Fred M

Director

Non-Executive Director
562
112.52
US$63,236 		562 112.52 US$63,236
2026-05-29 2026-05-27 PlS Planned sale
2.0
Diaz Fred M
Non-Executive Director
563 -4.5%
115.13
US$64,818 		563 -4.5% 115.13 US$64,818
2026-05-27 2026-05-27 PrS Proposed sale
2.0
Diaz Fred M

Director

Non-Executive Director
563
115.13
US$64,818 		563 115.13 US$64,818
2026-05-08 2026-05-06 B Purchase
Laughlin Daniel T.

SVP, Strategy & Development

Officer
2,000 +inf%
123.60
US$247,200 		2,000 +inf% 123.60 US$247,200
2026-02-17 2026-02-13 S Sale
3.2
Elema Eric J

EVP, CFO and Assistant Sec.

Officer
1,765 -37.7%
158.01
US$278,888 		1,765 -37.7% 158.01 US$278,888
2026-02-13 2026-02-13 PrS Proposed sale
3.2
Elema Eric J

Officer

Officer
1,765
158.01
US$278,888 		1,765 158.01 US$278,888
2025-12-01 2025-11-26 S Sale
3.5
GUTHRIE JOHN T

EVP, CFO and Assistant Sec.

Officer
1,915 -12.4%
134.83
US$258,199 		1,915 -12.4% 134.83 US$258,199
2025-11-26 2025-11-26 PrS Proposed sale
3.5
GUTHRIE JOHN T

Officer

Officer
1,915
134.83
US$258,199 		1,915 134.83 US$258,199
2025-09-03 2025-08-29 PlS Planned sale
2.0
Diaz Fred M
Non-Executive Director
865 -7.1%
145.07
US$125,486 		865 -7.1% 145.07 US$125,486
2025-08-29 2025-08-29 PrS Proposed sale
2.0
Diaz Fred M

Director

Non-Executive Director
865
145.07
US$125,486 		865 145.07 US$125,486
2025-07-29 2025-07-25 PlS Planned sale
2.5
BLACK DOUG

CEO

Executive Director
7,384 -1.2%
132.09
US$975,353 		7,384 -1.2% 132.09 US$975,353
2025-07-25 2025-07-25 PrS Proposed sale
2.5
BLACK DOUG

Officer; Director

Executive Director
7,384
132.09
US$975,353 		7,384 132.09 US$975,353
2025-07-14 2025-07-11 PlS Planned sale
2.5
BLACK DOUG

CEO

Executive Director
29,760 -4.8%
129.28
US$3,847,373 		29,760 -4.8% 129.28 US$3,847,373
2025-07-11 2025-07-11 PrS Proposed sale
2.5
BLACK DOUG

Officer; Director

Executive Director
29,760
129.28
US$3,847,464 		29,760 129.28 US$3,847,464
2025-07-10 2025-07-10 PrS Proposed sale
2.2
Brisendine L Briley Jr

Officer

Officer
12,000
133.00
US$1,596,000 		12,000 133.00 US$1,596,000
2025-07-03 2025-07-01 PlS Planned sale
3.1
Ketter Joseph

EVP, Human Resources

Officer
39,640 -74.4%
126.28
US$5,005,739 		39,640 -74.4% 126.28 US$5,005,739
2025-07-01 2025-07-01 PrS Proposed sale
2.2
Brisendine L Briley Jr

Officer

Officer
9,035
129.00
US$1,165,515 		9,035 129.00 US$1,165,515
2025-07-01 2025-07-01 PrS Proposed sale
3.1
Ketter Joseph

Officer

Officer
39,640
120.33
US$4,769,881 		39,640 120.33 US$4,769,881
2025-02-28 2025-02-26 PlS Planned sale
2.5
BLACK DOUG

CEO

Executive Director
7,386 -1.3%
131.92
US$974,361 		7,386 -1.3% 131.92 US$974,361
2025-02-26 2025-02-26 PrS Proposed sale
2.5
BLACK DOUG

Officer; Director

Executive Director
7,386
131.92
US$974,360 		7,386 131.92 US$974,360
2024-11-22 2024-11-21 S Sale
3.1
Ketter Joseph

EVP, Human Resources

Officer
6,500 -33.4%
142.20
US$924,300 		6,500 -33.4% 142.20 US$924,300
2024-11-21 2024-11-21 PrS Proposed sale
3.1
Ketter Joseph

Officer

Officer
6,500
142.20
US$924,321 		6,500 142.20 US$924,321
2024-08-07 2024-08-05 PlS Planned sale
2.0
Diaz Fred M
Non-Executive Director
878 -7.2%
129.04
US$113,297 		878 -7.2% 129.04 US$113,297
2024-08-05 2024-08-05 PrS Proposed sale
2.0
Diaz Fred M

Director

Non-Executive Director
878
129.04
US$113,297 		878 129.04 US$113,297
2024-05-17 2024-05-15 PlS Planned sale
2.5
BLACK DOUG

CEO

Executive Director
10,000 -1.7%
160.01
US$1,600,100 		10,000 -1.7% 160.01 US$1,600,100
2024-05-15 2024-05-15 PrS Proposed sale
2.5
BLACK DOUG

Officer; Director

Executive Director
10,000
161.02
US$1,610,200 		10,000 161.02 US$1,610,200
2024-04-18 2024-04-17 PlS Planned sale
2.5
BLACK DOUG

CEO

Executive Director
10,000 -1.7%
162.10
US$1,621,000 		10,000 -1.7% 162.10 US$1,621,000
2024-04-17 2024-04-17 PrS Proposed sale
2.5
BLACK DOUG

Officer; Director

Executive Director
10,000
162.10
US$1,620,990 		10,000 162.10 US$1,620,990
2024-03-14 2024-03-13 PlS Planned sale
2.5
BLACK DOUG

CEO

Executive Director
10,000 -1.7%
176.35
US$1,763,500 		10,000 -1.7% 176.35 US$1,763,500
2024-03-13 2024-03-13 PrS Proposed sale
2.5
BLACK DOUG

Officer; Director

Executive Director
10,000
176.35
US$1,763,505 		10,000 176.35 US$1,763,505
2024-03-11 2024-03-08 PlS Planned sale
3.5
GUTHRIE JOHN T

EVP, CFO and Assistant Sec.

Officer
3,000 -16.2%
180.00
US$540,000 		3,000 -16.2% 180.00 US$540,000
2024-03-08 2024-03-08 PrS Proposed sale
3.5
GUTHRIE JOHN T

Officer

Officer
3,000
180.00
US$540,000 		3,000 180.00 US$540,000
2024-03-01 2024-02-28 S Sale
3.1
Ketter Joseph

EVP, Human Resources

Officer
550 -4.3%
165.30
US$90,915 		550 -4.3% 165.30 US$90,915
2024-02-28 2024-02-28 PrS Proposed sale
3.1
Ketter Joseph

Officer

Officer
550
165.30
US$90,915 		550 165.30 US$90,915
2024-02-22 2024-02-21 PlS Planned sale
2.5
BLACK DOUG

CEO

Executive Director
10,000 -1.7%
162.64
US$1,626,400 		10,000 -1.7% 162.64 US$1,626,400
2024-02-21 2024-02-21 PrS Proposed sale
2.5
BLACK DOUG

Officer; Director

Executive Director
10,000
162.64
US$1,626,381 		10,000 162.64 US$1,626,381
2024-01-19 2024-01-17 PlS Planned sale
2.5
BLACK DOUG

CEO

Executive Director
10,000 -1.7%
153.29
US$1,532,900 		10,000 -1.7% 153.29 US$1,532,900
2024-01-17 2024-01-17 PrS Proposed sale
2.5
BLACK DOUG

Officer; Director

Executive Director
10,000
153.29
US$1,532,929 		10,000 153.29 US$1,532,929
2023-12-22 2023-12-20 PlS Planned sale
2.5
BLACK DOUG

CEO

Executive Director
10,000 -1.7%
165.37
US$1,653,700 		10,000 -1.7% 165.37 US$1,653,700
2023-12-20 2023-12-20 PrS Proposed sale
2.5
BLACK DOUG

Officer; Director

Executive Director
10,000
162.23
US$1,622,300 		10,000 162.23 US$1,622,300
2023-12-15 2023-12-14 PlS Planned sale
2.5
BLACK DOUG

CEO

Executive Director
212 -0.0%
155.87
US$33,044 		212 -0.0% 155.87 US$33,044
2023-12-15 2023-12-14 PlS Planned sale
3.5
GUTHRIE JOHN T

EVP, CFO and Assistant Sec.

Officer
3,000 -16.6%
170.00
US$510,000 		3,000 -16.6% 170.00 US$510,000
2023-12-14 2023-12-14 PrS Proposed sale
3.5
GUTHRIE JOHN T

Officer

Officer
3,000
170.00
US$510,000 		3,000 170.00 US$510,000
2023-12-15 2023-12-13 PlS Planned sale
2.5
BLACK DOUG

CEO

Executive Director
7,788 -1.3%
147.48
US$1,148,574 		7,788 -1.3% 147.48 US$1,148,574
2023-12-13 2023-12-13 PrS Proposed sale
2.5
BLACK DOUG

Officer; Director

Executive Director
8,000
146.71
US$1,173,680 		8,000 146.71 US$1,173,680
2023-11-17 2023-11-15 PlS Planned sale
2.5
BLACK DOUG

CEO

Executive Director
8,000 -1.4%
140.27
US$1,122,160 		8,000 -1.4% 140.27 US$1,122,160
2023-11-15 2023-11-15 PrS Proposed sale
2.5
BLACK DOUG

Officer; Director

Executive Director
8,000
136.99
US$1,095,920 		8,000 136.99 US$1,095,920
2023-10-20 2023-10-18 PlS Planned sale
2.5
BLACK DOUG

CEO

Executive Director
7,960 -1.4%
145.12
US$1,155,155 		7,960 -1.4% 145.12 US$1,155,155
2023-10-18 2023-10-18 PrS Proposed sale
2.5
BLACK DOUG

Officer; Director

Executive Director
7,960
155.89
US$1,240,884 		7,960 155.89 US$1,240,884
2023-09-22 2023-09-20 PlS Planned sale
2.5
BLACK DOUG

CEO

Executive Director
8,000 -1.4%
159.16
US$1,273,280 		8,000 -1.4% 159.16 US$1,273,280
2023-09-20 2023-09-20 PrS Proposed sale
2.5
BLACK DOUG

Officer; Director

Executive Director
8,000
157.06
US$1,256,480 		8,000 157.06 US$1,256,480
2023-08-25 2023-08-23 PlS Planned sale
2.5
BLACK DOUG

CEO

Executive Director
8,000 -1.4%
156.79
US$1,254,320 		8,000 -1.4% 156.79 US$1,254,320
2023-08-23 2023-08-23 PrS Proposed sale
2.5
BLACK DOUG

Officer; Director

Executive Director
8,000
155.74
US$1,245,920 		8,000 155.74 US$1,245,920
2023-08-09 2023-08-07 S Sale
3.5
GUTHRIE JOHN T

EVP, CFO and Assistant Sec.

Officer
1,028 -6.4%
164.47
US$169,075 		1,028 -6.4% 164.47 US$169,075
2023-08-07 2023-08-07 PrS Proposed sale
3.5
GUTHRIE JOHN T

Officer

Officer
1,028
164.47
US$169,079 		1,028 164.47 US$169,079
2023-07-21 2023-07-19 PlS Planned sale
2.5
BLACK DOUG

CEO

Executive Director
8,000 -1.4%
167.33
US$1,338,640 		8,000 -1.4% 167.33 US$1,338,640
2023-07-19 2023-07-19 PrS Proposed sale
2.5
BLACK DOUG

Officer; Director

Executive Director
8,000
168.16
US$1,345,280 		8,000 168.16 US$1,345,280
2023-06-21 2023-06-21 PrS Proposed sale
2.5
BLACK DOUG

Officer; Director

Executive Director
8,000
161.75
US$1,294,000 		8,000 161.75 US$1,294,000
2023-06-21 2023-06-16 PlS Planned sale
2.2
Brisendine L Briley Jr

EVP, General Counsel & Sec.

Officer
2,900 -25.8%
160.00
US$464,000 		2,900 -25.8% 160.00 US$464,000
2023-06-16 2023-06-16 PrS Proposed sale
2.2
Brisendine L Briley Jr

Officer

Officer
2,900
160.00
US$464,000 		2,900 160.00 US$464,000
2023-05-24 2023-05-24 PrS Proposed sale
2.5
BLACK DOUG

Officer; Director

Executive Director
8,000
148.07
US$1,184,560 		8,000 148.07 US$1,184,560
2023-02-03 2023-02-02 PlS Planned sale
2.2
Brisendine L Briley Jr

EVP, General Counsel & Sec.

Officer
3,750 -31.6%
160.00
US$600,000 		3,750 -31.6% 160.00 US$600,000
2022-11-18 2022-11-16 PlS Planned sale
2.5
BLACK DOUG

CEO

Executive Director
9,496 -1.7%
128.00
US$1,215,488 		9,496 -1.7% 128.00 US$1,215,488
2022-10-14 2022-10-12 PlS Planned sale
2.5
BLACK DOUG

CEO

Executive Director
9,591 -1.8%
105.84
US$1,015,111 		9,591 -1.8% 105.84 US$1,015,111
2022-09-16 2022-09-14 PlS Planned sale
2.5
BLACK DOUG

CEO

Executive Director
9,544 -1.8%
115.54
US$1,102,714 		9,544 -1.8% 115.54 US$1,102,714
2022-08-19 2022-08-17 PlS Planned sale
2.5
BLACK DOUG

CEO

Executive Director
9,457 -1.8%
139.18
US$1,316,225 		9,457 -1.8% 139.18 US$1,316,225
2022-07-15 2022-07-13 PlS Planned sale
2.5
BLACK DOUG

CEO

Executive Director
9,530 -1.8%
119.13
US$1,135,309 		9,530 -1.8% 119.13 US$1,135,309
2022-06-17 2022-06-15 PlS Planned sale
2.5
BLACK DOUG

CEO

Executive Director
9,529 -1.9%
117.47
US$1,119,372 		9,529 -1.9% 117.47 US$1,119,372
2022-05-20 2022-05-18 PlS Planned sale
2.5
BLACK DOUG

CEO

Executive Director
9,497 -1.9%
128.35
US$1,218,940 		9,497 -1.9% 128.35 US$1,218,940
2022-04-14 2022-04-13 PlS Planned sale
2.5
BLACK DOUG

CEO

Executive Director
17,431 -3.6%
149.12
US$2,599,311 		17,431 -3.6% 149.12 US$2,599,311
2022-03-18 2022-03-16 PlS Planned sale
2.5
BLACK DOUG

CEO

Executive Director
17,365 -3.7%
175.78
US$3,052,420 		17,365 -3.7% 175.78 US$3,052,420
2022-02-24 2022-02-23 PlS Planned sale
2.5
BLACK DOUG

CEO

Executive Director
17,397 -3.7%
159.52
US$2,775,169 		17,397 -3.7% 159.52 US$2,775,169
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