David MacLennan

ECL

David MacLennan serves as director at Ecolab Inc. (ECL). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

24 trades

$3.40M

Total Sells

1 trades

$380.2K

Net Position

Net Buyer

$3.01M

Companies Traded

ECL, CAT

Active Period

May 2021 – May 2026

25 total trades

Most Recent

Buy ECL

May 14, 2026 · $250.7K

David MacLennan's Insider Trading at Ecolab Inc. (ECL)

Buys

14 · $2.07M

Sells

1 · $380.2K

Total Shares Bought

9,500

Total Shares Sold

1,451

ECL Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
May 14, 2026	Buy	1,000	$250.65	$250.7K	25,230
May 5, 2026	Buy	800	$256.91	$205.5K	24,230
Dec 8, 2025	Buy	750	$257.60	$193.2K	0
Nov 13, 2025	Sell	1,451	$262.02	$380.2K	0
Aug 15, 2025	Buy	600	$278.51	$167.1K	0
May 9, 2025	Buy	500	$251.74	$125.9K	0
Feb 13, 2025	Buy	400	$264.52	$105.8K	0
Aug 2, 2024	Buy	650	$240.41	$156.3K	0
May 3, 2024	Buy	650	$227.37	$147.8K	0
Dec 1, 2023	Buy	800	$191.53	$153.2K	0
Aug 7, 2023	Buy	650	$183.73	$119.4K	0
Jun 14, 2023	Buy	700	$180.23	$126.2K	0
Nov 8, 2022	Buy	800	$139.66	$111.7K	0
May 5, 2022	Buy	600	$171.01	$102.6K	0
Feb 18, 2022	Buy	600	$179.09	$107.5K	0

David MacLennan's Insider Trading at Caterpillar Inc. (CAT)

Buys

10 · $1.32M

Sells

0 · $0.00

Total Shares Bought

4,175

Total Shares Sold

CAT Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
May 5, 2026	Buy	250	$876.84	$219.2K	8,206
Nov 6, 2025	Buy	300	$568.86	$170.7K	0
May 8, 2025	Buy	375	$320.70	$120.3K	0
May 3, 2024	Buy	500	$337.39	$168.7K	0
Feb 23, 2024	Buy	350	$323.37	$113.2K	0
Feb 17, 2023	Buy	400	$249.29	$99.7K	0
May 5, 2022	Buy	600	$219.82	$131.9K	0
Feb 7, 2022	Buy	480	$199.50	$95.8K	0
Aug 4, 2021	Buy	500	$206.20	$103.1K	0
May 5, 2021	Buy	420	$237.86	$99.9K	0