David H. Laidley

Insider

First SEC filing: May 4, 2021 · Latest: May 4, 2021

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 85 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

85 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
April 28, 2023	EME	A	4	—	—	75,075 Direct	+0.01%	Acquired	(price as of 2026-08-20)
Feb. 24, 2023	EME	G	4,500	—	—	75,071 Direct	-5.66%	Disposed	(price as of 2026-08-20)
Jan. 31, 2023	EME	A	4	—	—	79,571 Direct	+0.01%	Acquired	(price as of 2026-08-20)
Nov. 3, 2022	EME	G	3,000	—	—	79,567 Direct	-3.63%	Disposed	(price as of 2026-08-20)
Oct. 31, 2022	EME	A	4	—	—	82,567 Direct	0.00%	Acquired	(price as of 2026-08-20)
Sept. 7, 2022	EME	G	3,000	—	—	82,563 Direct	-3.51%	Disposed	(price as of 2026-08-20)
July 29, 2022	EME	A	5	—	—	85,563 Direct	+0.01%	Acquired	(price as of 2026-08-20)
June 2, 2022	EME	A	1,579	—	—	85,558 Direct	+1.88%	Acquired	(price as of 2026-08-20)
April 29, 2022	EME	A	6	—	—	83,979 Direct	+0.01%	Acquired	(price as of 2026-08-20)
Jan. 31, 2022	EME	A	5	—	—	83,973 Direct	+0.01%	Acquired	(price as of 2026-08-20)
Nov. 10, 2021	EME	G	6,800	—	—	83,968 Direct	-7.49%	Disposed	(price as of 2026-08-20)
Oct. 29, 2021	EME	A	5	—	—	90,768 Direct	+0.01%	Acquired	(price as of 2026-08-20)
July 30, 2021	EME	A	5	—	—	90,763 Direct	+0.01%	Acquired	(price as of 2026-08-20)
June 10, 2021	EME	A	1,363	—	—	90,758 Direct	+1.52%	Acquired	(price as of 2026-08-20)
April 30, 2021	EME	A	6	—	—	89,395 Direct	+0.01%	Acquired	(price as of 2026-08-20)
Jan. 29, 2021	EME	A	9	—	—	89,389 Direct	+0.01%	Acquired	(price as of 2026-08-20)
Oct. 30, 2020	EME	A	7	—	—	89,380 Direct	+0.01%	Acquired	(price as of 2026-08-20)
July 30, 2020	EME	A	7	—	—	89,373 Direct	+0.01%	Acquired	(price as of 2026-08-20)
June 11, 2020	EME	A	2,702	—	—	89,366 Direct	+3.12%	Acquired	(price as of 2026-08-20)
April 30, 2020	EME	A	7	—	—	86,664 Direct	+0.01%	Acquired	(price as of 2026-08-20)
Jan. 31, 2020	EME	A	6	—	—	86,657 Direct	+0.01%	Acquired	(price as of 2026-08-20)
Jan. 7, 2020	EME	M	20,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Jan. 7, 2020	EME	F	5,743	$85.25	$489,591	86,651 Direct	-6.22%	Disposed	823.9% (price as of 2026-08-20)
Jan. 7, 2020	EME	M	20,000	$24.48	$489,600	92,394 Direct	+27.63%	Acquired	3117.3% (price as of 2026-08-20)
Oct. 30, 2019	EME	A	5	—	—	72,394 Direct	+0.01%	Acquired	(price as of 2026-08-20)
July 30, 2019	EME	A	6	—	—	72,389 Direct	+0.01%	Acquired	(price as of 2026-08-20)
May 30, 2019	EME	A	2,211	—	—	72,383 Direct	+3.15%	Acquired	(price as of 2026-08-20)
April 30, 2019	EME	A	7	—	—	70,172 Direct	+0.01%	Acquired	(price as of 2026-08-20)
Jan. 30, 2019	EME	A	9	—	—	70,165 Direct	+0.01%	Acquired	(price as of 2026-08-20)
Oct. 30, 2018	EME	A	9	—	—	70,156 Direct	+0.01%	Acquired	(price as of 2026-08-20)
July 31, 2018	EME	A	7	—	—	70,147 Direct	+0.01%	Acquired	(price as of 2026-08-20)
June 1, 2018	EME	A	2,343	—	—	70,140 Direct	+3.46%	Acquired	(price as of 2026-08-20)
April 30, 2018	EME	A	11	—	—	67,797 Direct	+0.02%	Acquired	(price as of 2026-08-20)
Jan. 30, 2018	EME	A	8	—	—	67,786 Direct	+0.01%	Acquired	(price as of 2026-08-20)
Oct. 30, 2017	EME	A	8	—	—	67,778 Direct	+0.01%	Acquired	(price as of 2026-08-20)
July 28, 2017	EME	A	11	—	—	67,770 Direct	+0.02%	Acquired	(price as of 2026-08-20)
June 1, 2017	EME	A	2,790	—	—	67,759 Direct	+4.29%	Acquired	(price as of 2026-08-20)
April 28, 2017	EME	A	15	—	—	64,969 Direct	+0.02%	Acquired	(price as of 2026-08-20)
Jan. 30, 2017	EME	A	14	—	—	64,954 Direct	+0.02%	Acquired	(price as of 2026-08-20)
Jan. 11, 2017	EME	M	20,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Jan. 11, 2017	EME	F	6,005	$68.00	$408,340	64,940 Direct	-8.46%	Disposed	1058.2% (price as of 2026-08-20)
Jan. 11, 2017	EME	M	20,000	$20.42	$408,400	70,945 Direct	+39.26%	Acquired	3757.0% (price as of 2026-08-20)
Oct. 28, 2016	EME	A	15	—	—	50,945 Direct	+0.03%	Acquired	(price as of 2026-08-20)
July 29, 2016	EME	A	18	—	—	50,930 Direct	+0.04%	Acquired	(price as of 2026-08-20)
June 2, 2016	EME	A	3,769	—	—	50,912 Direct	+7.99%	Acquired	(price as of 2026-08-20)
April 29, 2016	EME	A	26	—	—	47,143 Direct	+0.06%	Acquired	(price as of 2026-08-20)
March 21, 2016	EME	M	10,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 21, 2016	EME	F	4,308	$47.67	$205,362	47,117 Direct	-8.38%	Disposed	1552.2% (price as of 2026-08-20)
March 21, 2016	EME	M	10,000	$20.54	$205,400	51,425 Direct	+24.14%	Acquired	3734.5% (price as of 2026-08-20)
Jan. 29, 2016	EME	A	28	—	—	41,425 Direct	+0.07%	Acquired	(price as of 2026-08-20)
Oct. 30, 2015	EME	A	26	—	—	41,397 Direct	+0.06%	Acquired	(price as of 2026-08-20)
July 27, 2015	EME	A	28	—	—	41,371 Direct	+0.07%	Acquired	(price as of 2026-08-20)
June 11, 2015	EME	A	3,750	—	—	41,343 Direct	+9.98%	Acquired	(price as of 2026-08-20)
April 29, 2015	EME	A	37	—	—	37,593 Direct	+0.10%	Acquired	(price as of 2026-08-20)
Jan. 30, 2015	EME	A	41	—	—	37,556 Direct	+0.11%	Acquired	(price as of 2026-08-20)
Oct. 31, 2014	EME	A	37	—	—	37,515 Direct	+0.10%	Acquired	(price as of 2026-08-20)
July 28, 2014	EME	A	40	—	—	37,478 Direct	+0.11%	Acquired	(price as of 2026-08-20)
June 11, 2014	EME	A	5,856	—	—	37,438 Direct	+18.54%	Acquired	(price as of 2026-08-20)
April 30, 2014	EME	A	43	—	—	31,582 Direct	+0.14%	Acquired	(price as of 2026-08-20)
Jan. 31, 2014	EME	A	47	—	—	31,539 Direct	+0.15%	Acquired	(price as of 2026-08-20)
Oct. 30, 2013	EME	A	40	—	—	31,492 Direct	+0.13%	Acquired	(price as of 2026-08-20)
July 26, 2013	EME	A	35	—	—	31,452 Direct	+0.11%	Acquired	(price as of 2026-08-20)
June 13, 2013	EME	A	6,976	—	—	31,417 Direct	+28.54%	Acquired	(price as of 2026-08-20)
April 30, 2013	EME	A	29	—	—	24,441 Direct	+0.12%	Acquired	(price as of 2026-08-20)
March 6, 2013	EME	M	7,252	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 6, 2013	EME	S	838	$38.78	$32,498	24,412 Direct	-3.32%	Disposed	1931.0% (price as of 2026-08-20)
March 6, 2013	EME	S	859	$38.79	$33,321	25,250 Direct	-3.29%	Disposed	1930.4% (price as of 2026-08-20)
March 6, 2013	EME	S	4,524	$38.80	$175,531	26,109 Direct	-14.77%	Disposed	1929.9% (price as of 2026-08-20)
March 6, 2013	EME	S	200	$38.82	$7,764	30,633 Direct	-0.65%	Disposed	1928.9% (price as of 2026-08-20)
March 6, 2013	EME	S	831	$38.84	$32,276	30,833 Direct	-2.62%	Disposed	1927.8% (price as of 2026-08-20)
March 6, 2013	EME	M	7,252	$23.17	$168,029	31,664 Direct	+29.71%	Acquired	3299.2% (price as of 2026-08-20)
Dec. 28, 2012	EME	A	168	—	—	24,412 Direct	+0.69%	Acquired	(price as of 2026-08-20)
Oct. 30, 2012	EME	A	28	—	—	24,244 Direct	+0.12%	Acquired	(price as of 2026-08-20)
July 30, 2012	EME	A	34	—	—	24,216 Direct	+0.14%	Acquired	(price as of 2026-08-20)
May 31, 2012	EME	A	8,794	—	—	24,182 Direct	+57.15%	Acquired	(price as of 2026-08-20)
April 30, 2012	EME	A	16	—	—	15,388 Direct	+0.10%	Acquired	(price as of 2026-08-20)
Jan. 31, 2012	EME	A	16	—	—	15,372 Direct	+0.10%	Acquired	(price as of 2026-08-20)
Jan. 3, 2012	EME	A	1,752	—	—	15,356 Direct	+12.88%	Acquired	(price as of 2026-08-20)
Dec. 14, 2011	EME	A	21	—	—	13,604 Direct	+0.15%	Acquired	(price as of 2026-08-20)
June 1, 2011	EME	A	9,721	—	—	13,583 Direct	+251.71%	Acquired	(price as of 2026-08-20)
Jan. 3, 2011	EME	A	1,640	—	—	3,862 Direct	+73.81%	Acquired	(price as of 2026-08-20)
July 5, 2010	BHC	A	228	—	—	45,328 Direct	+0.51%	Acquired	(price as of 2026-08-20)
June 11, 2010	EME	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
May 21, 2010	BHC	A	11,059	—	—	45,100 Direct	+32.49%	Acquired	(price as of 2026-08-20)
April 5, 2010	BHC	A	182	—	—	34,041 Direct	+0.54%	Acquired	(price as of 2026-08-20)
Jan. 4, 2010	BHC	A	206	—	—	33,859 Direct	+0.61%	Acquired	(price as of 2026-08-20)
Jan. 4, 2010	EME	A	1,722	—	—	2,222 Direct	+344.40%	Acquired	(price as of 2026-08-20)
June 16, 2009	EME	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
May 26, 2009	EME	P	200	$21.82	$4,364	500 Direct	+66.67%	Acquired	3509.6% (price as of 2026-08-20)
May 26, 2009	EME	P	300	$21.81	$6,543	300 Direct	—	Acquired	3511.2% (price as of 2026-08-20)
Jan. 2, 2009	EME	A	7,252	—	—	7,252 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 15, 2008	EME	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Jan. 7, 2020	EME	Non-Employee Stock Options (right to buy)	Common Stock (20,000)	$24.48	June 10, 2020	20,000	Disposed
Jan. 11, 2017	EME	Non-Employee Stock Options (right to buy)	Common Stock (20,000)	$20.42	June 15, 2017	20,000	Disposed
March 21, 2016	EME	Non-Employee Stock Options (right to buy)	Common Stock (10,000)	$20.54	Dec. 14, 2016	10,000	Disposed
March 6, 2013	EME	Non-Employee Stock Options (right to buy)	Common Stock (7,252)	$23.17	Jan. 1, 2014	7,252	Disposed
July 5, 2010	BHC	Deferred Share Units	Common Stock, no par value (228)	—	—	228	Acquired
June 11, 2010	EME	Non-Employee Stock Options (right to buy)	Common Stock (20,000)	$24.48	June 10, 2020	20,000	Acquired
May 21, 2010	BHC	Deferred Share Units	Common Stock, no par value (11,059)	—	—	11,059	Acquired
April 5, 2010	BHC	Deferred Share Units	Common Stock, no par value (182)	—	—	182	Acquired
Jan. 4, 2010	BHC	Deferred Share Units	Common Stock, no par value (206)	—	—	206	Acquired
June 16, 2009	EME	Non-Employee Stock Options (right to buy)	Common Stock (20,000)	$20.42	June 15, 2017	20,000	Acquired
Jan. 2, 2009	EME	Non-Employee Stock Options (right to buy)	Common Stock (7,252)	$23.17	Jan. 1, 2014	7,252	Acquired
Dec. 15, 2008	EME	Non-Employee Stock Options (right to buy)	Common Stock (10,000)	$20.54	Dec. 14, 2016	10,000	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 2 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Jan. 4, 2010	BHC	Common Stock, no par value	500	Direct
Jan. 4, 2010	BHC	Deferred Share Units→ Common Stock, no par value	—	Direct