Mayer, Christian — Insider Profile

Insider Profile

Mayer, Christian

$CIGI

Companies Filed At

Open-Market Buys (2yr)

$12.4M

Buy Value (2yr, open-market)

May 15, 2026

Most Recent Trade

Credibility
Score

12%

Hit Rate

-10.7%

Avg 90d Return

-10.7%

Median 90d Return

Evaluated Trades

+16.4%

Best Trade

-26.5%

Worst Trade

Hit rate and returns are based on 16 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.

Political Donations · Elections Canada

$7K in individual political contributions across 9 donations (2007–2023).

Date	Party	Recipient	Amount
2023-01-20	Conservative Party of Canada	Conservative Party of Canada	$2K
2022-03-12	Conservative Party of Canada	Conservative Party of Canada	$2K
2021-06-16	Conservative Party of Canada	Conservative Party of Canada	$550
2019-04-30	Conservative Party of Canada	Conservative Party of Canada	$550
2018-03-21	Conservative Party of Canada	Conservative Party of Canada	$500
2017-12-21	Conservative Party of Canada	Conservative Party of Canada	$550
2017-04-21	Conservative Party of Canada	Scheer, Andrew	$500
2017-04-21	Conservative Party of Canada	Conservative Party of Canada	$500
2007-03-22	Conservative Party of Canada	Conservative Party of Canada	$250

Source: Elections Canada public contribution records (individual donations only; corporate political donations have been banned federally since 2007). Matched to this insider by name — shown for transparency, not a claim of wrongdoing and not a Signal Score input.

Date	Company	Role	Nature	Dir.	Shares	Price	Value	Score
May 15, 2026	$CIGI Colliers International	—	Open Market	Buy	2,500	$92.00	$230K	53
May 11, 2026	$CIGI Colliers International	—	Comp. Grant	Buy	10,000	$98.63	$986K	53
Dec 11, 2025	$CIGI Colliers International	—	Open Market	Buy	20,000	$201.00	$4.0M	53
Dec 10, 2025	$CIGI Colliers International	—	Open Market	Buy	20,000	$198.06	$4.0M	53
Dec 08, 2025	$CIGI Colliers International	—	Exercise	Sell	44,000	$88.90	$3.9M	53
Dec 08, 2025	$CIGI Colliers International	—	Exercise	Buy	44,000	$88.90	$3.9M	53
Feb 24, 2025	$CIGI Colliers International	—	Exercise	Sell	10,000	$87.54	$875K	53
Feb 24, 2025	$CIGI Colliers International	—	Exercise	Buy	10,000	$87.54	$875K	53
Dec 03, 2024	$CIGI Colliers International	—	Comp. Grant	Buy	70,000	$151.62	$10.6M	53
Nov 07, 2024	$CIGI Colliers International	—	Exercise	Sell	30,000	$74.71	$2.2M	53
Nov 07, 2024	$CIGI Colliers International	—	Open Market	Buy	20,000	$209.21	$4.2M	53
Nov 07, 2024	$CIGI Colliers International	—	Exercise	Buy	30,000	$74.71	$2.2M	53
Mar 12, 2024	$CIGI Colliers International	—	Open Market	Buy	17,500	$161.02	$2.8M	53
Mar 12, 2024	$CIGI Colliers International	—	Open Market	Buy	10,000	$160.01	$1.6M	53
Mar 07, 2024	$CIGI Colliers International	—	Exercise	Sell	30,000	$68.65	$2.1M	53
Mar 07, 2024	$CIGI Colliers International	—	Exercise	Buy	30,000	$68.65	$2.1M	53
Dec 05, 2023	$CIGI Colliers International	—	Comp. Grant	Buy	70,000	$106.98	$7.5M	53
May 24, 2023	$CIGI Colliers International	—	Corp. Event	Buy	8,880	—	—	53
Feb 17, 2023	$CIGI Colliers International	—	Open Market	Buy	10,000	$159.00	$1.6M	53
Feb 16, 2023	$CIGI Colliers International	—	Exercise	Sell	25,000	$67.30	$1.7M	53
Feb 16, 2023	$CIGI Colliers International	—	Exercise	Buy	25,000	$67.30	$1.7M	53
Feb 16, 2022	$CIGI Colliers International	—	Open Market	Buy	5,000	$191.59	$958K	53
Feb 16, 2022	$CIGI Colliers International	—	Open Market	Buy	2,500	$192.50	$481K	53
Feb 16, 2022	$CIGI Colliers International	—	Open Market	Buy	5,000	$191.53	$958K	53
Feb 14, 2022	$CIGI Colliers International	—	Exercise	Buy	25,000	$45.00	$1.1M	53
Feb 14, 2022	$CIGI Colliers International	—	Exercise	Sell	25,000	$45.00	$1.1M	53
Jan 12, 2022	$CIGI Colliers International	—	Open Market	Buy	5	—	—	53

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.