Culham, Harry Kenneth — Insider Profile

Insider Profile

Culham, Harry Kenneth

$CM

Companies Filed At

Open-Market Buys (2yr)

$62.3M

Buy Value (2yr, open-market)

Dec 31, 2025

Most Recent Trade

Credibility
Score

64%

Hit Rate

+3.5%

Avg 90d Return

+8.9%

Median 90d Return

Evaluated Trades

+19.4%

Best Trade

-15.4%

Worst Trade

Hit rate and returns are based on 80 open-market buys with evaluable 90-day outcomes. Score reflects historical conviction, not a guarantee of future performance. Limited signal — either below-average timing or insufficient trade history.

Date	Company	Role	Nature	Dir.	Shares	Price	Value	Score
Dec 31, 2025	$CM CIBC	—	Plan / DRIP	Buy	142	$96.84	$14K	85
Dec 01, 2025	$CM CIBC	—	Other	Sell	75,711	—	—	85
Sep 26, 2025	$CM CIBC	—	Exercise	Buy	32,854	$70.05	$2.3M	85
Sep 26, 2025	$CM CIBC	—	Exercise	Buy	100,000	$54.94	$5.5M	85
Sep 26, 2025	$CM CIBC	—	Exercise	Buy	14,602	$55.40	$809K	85
Sep 26, 2025	$CM CIBC	—	Exercise	Sell	32,854	$70.05	$2.3M	85
Sep 26, 2025	$CM CIBC	—	Exercise	Sell	100,000	$54.94	$5.5M	85
Sep 26, 2025	$CM CIBC	—	Exercise	Sell	14,602	$55.40	$809K	85
Sep 26, 2025	$CM CIBC	—	Open Market	Buy	50,000	$112.51	$5.6M	85
Sep 26, 2025	$CM CIBC	—	Open Market	Buy	50,000	$112.51	$5.6M	85
Sep 26, 2025	$CM CIBC	—	Open Market	Buy	97,456	$112.17	$10.9M	85
Dec 31, 2024	$CM CIBC	—	Plan / DRIP	Buy	177	$69.20	$12K	85
Dec 31, 2024	$CM CIBC	—	Plan / DRIP	Buy	2,178	$70.08	$153K	85
Dec 11, 2024	$CM CIBC	—	Open Market	Buy	40,400	$94.60	$3.8M	85
Dec 11, 2024	$CM CIBC	—	Open Market	Buy	46,642	$95.30	$4.4M	85
Dec 11, 2024	$CM CIBC	—	Exercise	Sell	40,400	$55.75	$2.3M	85
Dec 11, 2024	$CM CIBC	—	Exercise	Buy	40,400	$55.75	$2.3M	85
Dec 11, 2024	$CM CIBC	—	Exercise	Sell	46,642	$54.94	$2.6M	85
Dec 11, 2024	$CM CIBC	—	Exercise	Buy	46,642	$54.94	$2.6M	85
Dec 10, 2024	$CM CIBC	—	Open Market	Buy	108,800	$94.20	$10.2M	85
Dec 10, 2024	$CM CIBC	—	Exercise	Buy	108,800	$55.75	$6.1M	85
Dec 10, 2024	$CM CIBC	—	Exercise	Sell	108,800	$55.75	$6.1M	85
Dec 09, 2024	$CM CIBC	—	Comp. Grant	Buy	6,294	—	—	85
Dec 09, 2024	$CM CIBC	—	Comp. Grant	Buy	58,744	—	—	85
Dec 09, 2024	$CM CIBC	—	Comp. Grant	Buy	175,664	—	—	85
Dec 01, 2024	$CM CIBC	—	Plan / DRIP	Buy	7,533	$90.74	$684K	85
Dec 01, 2024	$CM CIBC	—	Other	Sell	82,871	—	—	85
Nov 01, 2024	$CM CIBC	—	Plan / DRIP	Buy	11,754	$70.08	$824K	85
Nov 01, 2024	$CM CIBC	—	Plan / DRIP	Buy	8,802	$70.08	$617K	85
Sep 30, 2024	$CM CIBC	—	Exercise	Buy	800	$55.75	$45K	85
Sep 30, 2024	$CM CIBC	—	Exercise	Sell	12,174	$55.75	$679K	85
Sep 30, 2024	$CM CIBC	—	Exercise	Buy	12,174	$55.75	$679K	85
Sep 30, 2024	$CM CIBC	—	Exercise	Sell	800	$55.75	$45K	85
Sep 30, 2024	$CM CIBC	—	Open Market	Buy	12,174	$82.79	$1.0M	85
Sep 30, 2024	$CM CIBC	—	Open Market	Buy	800	$83.20	$67K	85
Sep 26, 2024	$CM CIBC	—	Open Market	Buy	25,000	$84.30	$2.1M	85
Sep 26, 2024	$CM CIBC	—	Exercise	Sell	25,000	$60.01	$1.5M	85
Sep 26, 2024	$CM CIBC	—	Exercise	Buy	25,000	$60.01	$1.5M	85
Sep 25, 2024	$CM CIBC	—	Exercise	Sell	50,000	$60.01	$3.0M	85
Sep 25, 2024	$CM CIBC	—	Exercise	Buy	50,000	$60.01	$3.0M	85
Sep 25, 2024	$CM CIBC	—	Open Market	Buy	50,000	$83.42	$4.2M	85
Sep 24, 2024	$CM CIBC	—	Open Market	Buy	25,000	$83.35	$2.1M	85
Sep 24, 2024	$CM CIBC	—	Exercise	Sell	25,000	$60.01	$1.5M	85
Sep 24, 2024	$CM CIBC	—	Exercise	Buy	25,000	$60.01	$1.5M	85
Sep 13, 2024	$CM CIBC	—	Exercise	Sell	47,430	$60.01	$2.8M	85
Sep 13, 2024	$CM CIBC	—	Exercise	Buy	47,430	$60.01	$2.8M	85
Sep 13, 2024	$CM CIBC	—	Open Market	Buy	47,430	$83.41	$4.0M	85
Sep 11, 2024	$CM CIBC	—	Open Market	Buy	49,400	$82.44	$4.1M	85
Sep 11, 2024	$CM CIBC	—	Exercise	Sell	49,400	$55.84	$2.8M	85
Sep 11, 2024	$CM CIBC	—	Exercise	Buy	49,400	$55.84	$2.8M	85
Sep 10, 2024	$CM CIBC	—	Exercise	Sell	600	$55.84	$34K	85
Sep 10, 2024	$CM CIBC	—	Open Market	Buy	600	$82.30	$49K	85
Sep 10, 2024	$CM CIBC	—	Exercise	Buy	600	$55.84	$34K	85
Sep 09, 2024	$CM CIBC	—	Exercise	Buy	50,000	$55.84	$2.8M	85
Sep 09, 2024	$CM CIBC	—	Exercise	Sell	50,000	$55.84	$2.8M	85
Sep 09, 2024	$CM CIBC	—	Open Market	Buy	50,000	$81.87	$4.1M	85
Dec 31, 2023	$CM CIBC	—	Plan / DRIP	Buy	2,428	$52.61	$128K	85
Dec 31, 2023	$CM CIBC	—	Plan / DRIP	Buy	204	$53.81	$11K	85
Dec 04, 2023	$CM CIBC	—	Comp. Grant	Buy	291,181	—	—	85
Dec 04, 2023	$CM CIBC	—	Comp. Grant	Buy	79,506	—	—	85
Dec 04, 2023	$CM CIBC	—	Comp. Grant	Buy	8,519	—	—	85
Dec 01, 2023	$CM CIBC	—	Other	Sell	65,892	—	—	85
Dec 01, 2023	$CM CIBC	—	Buyback	Buy	11,628	—	—	85
Nov 06, 2023	$CM CIBC	—	Plan / DRIP	Buy	13,389	$54.21	$726K	85
Nov 06, 2023	$CM CIBC	—	Plan / DRIP	Buy	9,595	$54.21	$520K	85
Dec 31, 2022	$CM CIBC	—	Plan / DRIP	Buy	162	$69.53	$11K	85
Dec 31, 2022	$CM CIBC	—	Plan / DRIP	Buy	1,929	$68.82	$133K	85
Dec 05, 2022	$CM CIBC	—	Comp. Grant	Buy	250,310	—	—	85
Dec 05, 2022	$CM CIBC	—	Comp. Grant	Buy	64,851	—	—	85
Dec 05, 2022	$CM CIBC	—	Comp. Grant	Buy	6,949	—	—	85
Dec 01, 2022	$CM CIBC	—	Other	Sell	75,540	—	—	85
Nov 18, 2022	$CM CIBC	—	Plan / DRIP	Buy	6,535	—	—	85
Nov 18, 2022	$CM CIBC	—	Plan / DRIP	Buy	10,071	—	—	85
May 13, 2022	$CM CIBC	—	Corp. Event	Buy	1,494	—	—	85
Mar 08, 2022	$CM CIBC	—	Open Market	Buy	2,500	$157.20	$393K	85
Mar 08, 2022	$CM CIBC	—	Exercise	Buy	7,500	$111.69	$838K	85
Mar 08, 2022	$CM CIBC	—	Open Market	Buy	2,500	$155.40	$388K	85
Mar 08, 2022	$CM CIBC	—	Exercise	Sell	7,500	$111.69	$838K	85
Mar 08, 2022	$CM CIBC	—	Open Market	Buy	2,500	$156.40	$391K	85
Mar 07, 2022	$CM CIBC	—	Open Market	Buy	2,500	$159.22	$398K	85
Mar 07, 2022	$CM CIBC	—	Exercise	Sell	5,000	$111.69	$558K	85
Mar 07, 2022	$CM CIBC	—	Open Market	Buy	2,500	$158.40	$396K	85
Mar 07, 2022	$CM CIBC	—	Exercise	Buy	5,000	$111.69	$558K	85
Mar 04, 2022	$CM CIBC	—	Open Market	Buy	2,500	$158.98	$397K	85
Mar 04, 2022	$CM CIBC	—	Exercise	Buy	5,000	$111.69	$558K	85
Mar 04, 2022	$CM CIBC	—	Corp. Event	Sell	940	$159.56	$150K	85
Mar 04, 2022	$CM CIBC	—	Exercise	Sell	5,000	$111.69	$558K	85
Mar 04, 2022	$CM CIBC	—	Corp. Event	Sell	2,500	$158.56	$396K	85
Mar 02, 2022	$CM CIBC	—	Open Market	Buy	2,500	$160.70	$402K	85
Mar 02, 2022	$CM CIBC	—	Exercise	Buy	7,500	$111.69	$838K	85
Mar 02, 2022	$CM CIBC	—	Open Market	Buy	5,000	$160.10	$800K	85
Mar 02, 2022	$CM CIBC	—	Exercise	Sell	7,500	$111.69	$838K	85
Mar 01, 2022	$CM CIBC	—	Exercise	Buy	7,449	$111.69	$832K	85
Mar 01, 2022	$CM CIBC	—	Exercise	Sell	7,449	$111.69	$832K	85
Mar 01, 2022	$CM CIBC	—	Open Market	Buy	7,449	$158.10	$1.2M	85
Jan 05, 2022	$CM CIBC	—	Exercise	Buy	10,000	$97.81	$978K	85
Jan 05, 2022	$CM CIBC	—	Open Market	Buy	5,000	$151.20	$756K	85
Jan 05, 2022	$CM CIBC	—	Exercise	Sell	10,000	$97.81	$978K	85
Jan 05, 2022	$CM CIBC	—	Open Market	Buy	5,000	$150.60	$753K	85
Jan 04, 2022	$CM CIBC	—	Exercise	Buy	10,000	$97.81	$978K	85
Jan 04, 2022	$CM CIBC	—	Open Market	Buy	5,000	$149.70	$748K	85
Jan 04, 2022	$CM CIBC	—	Exercise	Sell	10,000	$97.81	$978K	85
Jan 04, 2022	$CM CIBC	—	Corp. Event	Sell	5,000	$149.57	$748K	85
Dec 31, 2021	$CM CIBC	—	Plan / DRIP	Buy	104	$131.52	$14K	85
Dec 11, 2020	$CM CIBC	—	Plan / DRIP	Buy	7,075	—	—	85
Dec 11, 2020	$CM CIBC	—	Plan / DRIP	Buy	3,280	—	—	85
Dec 07, 2020	$CM CIBC	—	Comp. Grant	Buy	33,173	$110.16	$3.7M	85
Dec 07, 2020	$CM CIBC	—	Comp. Grant	Buy	82,301	$110.79	$9.1M	85
Dec 07, 2020	$CM CIBC	—	Comp. Grant	Buy	5,331	$110.16	$587K	85
Dec 01, 2020	$CM CIBC	—	Plan / DRIP	Buy	42,567	$110.16	$4.7M	85

Muted rows are plan purchases, compensation grants, or DRIP — not open-market. Signal scores reflect the company's current score, not the score at time of trade.