Castro, Leonardo De Oliveira — Insider Profile

Insider Profile

Castro, Leonardo De Oliveira

🔒 Follow — get an alert on any new filing

$STN

Companies Filed At

Open-Market Buys (2yr)

—

Buy Value (2yr, open-market)

May 19, 2026

Most Recent Trade

Credibility
Score

72%

Hit Rate

+6.8%

Avg 90d Return

+5.9%

Median 90d Return

Evaluated Trades

+30.7%

Best Trade

-11.5%

Worst Trade

Hit rate and returns are based on 68 open-market buys with evaluable 90-day outcomes. Score reflects historical conviction, not a guarantee of future performance. This insider has a solid track record of profitable timing.

Cross-Company Track Record

78%

Hit Rate · 90d

+1.8%

Median Alpha · 90d

Closed Buys Evaluated

83%

Beat XIU

All-insider base rate: 59% hit rate · +1.3% mean alpha (n=11504)

cluster buyer high frequency size concentrated

Entry: closing price on SEDI filing date (point-in-time). Exit: 90 calendar days later. Alpha vs XIU.TO (iShares TSX 60). Closed trades only. Not investment advice.

Research 18 closed buys with individual return outcomes available on the Research plan.

Date	Company	Role	Nature	Dir.	Shares	Price	Value	Score
May 19, 2026	$STN Stantec	—	Comp. Grant	Buy	1,089	—	—	45
Dec 31, 2025	$STN Stantec	—	Plan / DRIP	Buy	70	$132.99	$9K	45
Dec 31, 2025	$STN Stantec	—	Plan / DRIP	Buy	3	$132.99	$399	45
Dec 31, 2025	$STN Stantec	—	Plan / DRIP	Buy	4	$132.99	$532	45
Dec 31, 2025	$STN Stantec	—	Plan / DRIP	Buy	225	$90.87	$20K	45
Dec 31, 2025	$STN Stantec	—	Plan / DRIP	Buy	37	$138.64	$5K	45
Dec 31, 2025	$STN Stantec	—	Plan / DRIP	Buy	12	$139.84	$2K	45
Jun 20, 2025	$STN Stantec	—	Other	Sell	3,382	$143.72	$486K	45
Jun 20, 2025	$STN Stantec	—	Other	Sell	846	$133.69	$113K	45
May 20, 2025	$STN Stantec	—	Comp. Grant	Buy	1,340	—	—	45
May 20, 2025	$STN Stantec	—	Comp. Grant	Buy	575	$136.29	$78K	45
Dec 31, 2024	$STN Stantec	—	Plan / DRIP	Buy	57	$113.46	$6K	45
Dec 31, 2024	$STN Stantec	—	Plan / DRIP	Buy	77	$111.78	$9K	45
Dec 31, 2024	$STN Stantec	—	Plan / DRIP	Buy	3	$111.78	$335	45
Dec 31, 2024	$STN Stantec	—	Plan / DRIP	Buy	5	$111.78	$559	45
Dec 31, 2024	$STN Stantec	—	Plan / DRIP	Buy	240	$83.16	$20K	45
Dec 31, 2024	$STN Stantec	—	Plan / DRIP	Buy	15	$113.57	$2K	45
Jun 21, 2024	$STN Stantec	—	Other	Sell	3,199	$174.15	$557K	45
Jun 21, 2024	$STN Stantec	—	Other	Sell	801	$115.10	$92K	45
Dec 31, 2023	$STN Stantec	—	Plan / DRIP	Buy	20	$88.99	$2K	45
Dec 31, 2023	$STN Stantec	—	Plan / DRIP	Buy	82	$88.99	$7K	45
Dec 22, 2023	$STN Stantec	—	Open Market	Buy	1,000	$104.39	$104K	45
Aug 14, 2023	$STN Stantec	—	Open Market	Buy	113	$90.01	$10K	45
Aug 14, 2023	$STN Stantec	—	Open Market	Buy	446	$90.01	$40K	45
Aug 14, 2023	$STN Stantec	—	Open Market	Buy	554	$90.01	$50K	45
Jun 23, 2023	$STN Stantec	—	Other	Sell	4,605	$101.22	$466K	45
Jun 23, 2023	$STN Stantec	—	Other	Sell	1,150	$82.16	$94K	45
May 15, 2023	$STN Stantec	—	Comp. Grant	Buy	576	$80.64	$46K	45
May 15, 2023	$STN Stantec	—	Comp. Grant	Buy	2,302	$80.64	$186K	45
Feb 27, 2023	$STN Stantec	—	Open Market	Buy	1,500	$78.96	$118K	45
Dec 31, 2022	$STN Stantec	—	Plan / DRIP	Buy	6	$62.33	$374	45
Dec 31, 2022	$STN Stantec	—	Plan / DRIP	Buy	84	$64.00	$5K	45
Dec 31, 2022	$STN Stantec	—	Plan / DRIP	Buy	34	$62.77	$2K	45
Dec 31, 2022	$STN Stantec	—	Plan / DRIP	Buy	133	$62.77	$8K	45
Dec 31, 2022	$STN Stantec	—	Plan / DRIP	Buy	410	$48.38	$20K	45
Dec 31, 2022	$STN Stantec	—	Plan / DRIP	Buy	6	$62.33	$374	45
Dec 31, 2022	$STN Stantec	—	Plan / DRIP	Buy	116	$62.33	$7K	45
Aug 17, 2022	$STN Stantec	—	Open Market	Buy	1,000	$65.00	$65K	45
Aug 17, 2022	$STN Stantec	—	Open Market	Buy	500	$65.60	$33K	45
Aug 17, 2022	$STN Stantec	—	Open Market	Buy	1,000	$65.51	$66K	45
Aug 17, 2022	$STN Stantec	—	Open Market	Buy	1,000	$65.50	$66K	45
Aug 17, 2022	$STN Stantec	—	Open Market	Buy	1,000	$65.35	$65K	45
Aug 17, 2022	$STN Stantec	—	Open Market	Buy	1,000	$65.25	$65K	45
Aug 17, 2022	$STN Stantec	—	Open Market	Buy	970	$65.10	$63K	45
Aug 15, 2022	$STN Stantec	—	Open Market	Buy	1,000	$64.75	$65K	45
Jun 24, 2022	$STN Stantec	—	Other	Sell	1,427	$55.38	$79K	45
Jun 24, 2022	$STN Stantec	—	Other	Sell	5,707	$49.07	$280K	45
May 16, 2022	$STN Stantec	—	Comp. Grant	Buy	824	$54.50	$45K	45
May 16, 2022	$STN Stantec	—	Comp. Grant	Buy	3,293	$54.50	$179K	45
Dec 31, 2021	$STN Stantec	—	Comp. Grant	Buy	777	$53.45	$42K	45
Dec 31, 2021	$STN Stantec	—	Plan / DRIP	Buy	136	$60.74	$8K	45
Dec 31, 2021	$STN Stantec	—	Comp. Grant	Buy	3,104	$53.45	$166K	45
Dec 31, 2021	$STN Stantec	—	Plan / DRIP	Buy	34	$60.74	$2K	45
Dec 31, 2021	$STN Stantec	—	Plan / DRIP	Buy	300	$56.29	$17K	45
Dec 31, 2021	$STN Stantec	—	Plan / DRIP	Buy	1	$54.45	$54	45
Dec 31, 2021	$STN Stantec	—	Plan / DRIP	Buy	8	$54.45	$436	45
Dec 31, 2021	$STN Stantec	—	Plan / DRIP	Buy	121	$54.45	$7K	45
Dec 31, 2021	$STN Stantec	—	Plan / DRIP	Buy	6	$54.45	$327	45
Dec 31, 2021	$STN Stantec	—	Plan / DRIP	Buy	7	$54.45	$381	45
Dec 31, 2021	$STN Stantec	—	Plan / DRIP	Buy	226	$45.94	$10K	45
Dec 31, 2021	$STN Stantec	—	Plan / DRIP	Buy	14	$47.07	$659	45
May 20, 2021	$STN Stantec	—	Exercise	Buy	3,848	$32.98	$127K	45
May 20, 2021	$STN Stantec	—	Exercise	Sell	3,848	$32.98	$209K	45
Apr 23, 2021	$STN Stantec	—	Other	Sell	4,196	$38.58	$162K	45
Dec 31, 2020	$STN Stantec	—	Plan / DRIP	Buy	528	$29.38	$16K	45
Dec 31, 2020	$STN Stantec	—	Plan / DRIP	Buy	7	$40.23	$282	45
Dec 31, 2020	$STN Stantec	—	Plan / DRIP	Buy	9	$40.23	$362	45
Dec 31, 2020	$STN Stantec	—	Plan / DRIP	Buy	33	$41.79	$1K	45
Dec 31, 2020	$STN Stantec	—	Plan / DRIP	Buy	194	$41.72	$8K	45
Dec 31, 2020	$STN Stantec	—	Plan / DRIP	Buy	397	$40.34	$16K	45
Dec 31, 2020	$STN Stantec	—	Plan / DRIP	Buy	2	$40.23	$80	45
Dec 31, 2020	$STN Stantec	—	Plan / DRIP	Buy	9	$40.23	$362	45
Dec 31, 2020	$STN Stantec	—	Plan / DRIP	Buy	150	$40.23	$6K	45
Dec 31, 2020	$STN Stantec	—	Comp. Grant	Buy	1,110	$42.00	$47K	45
Dec 31, 2020	$STN Stantec	—	Comp. Grant	Buy	4,443	$42.00	$187K	45
Aug 12, 2020	$STN Stantec	—	Exercise	Sell	4,863	$32.01	$156K	45
Aug 12, 2020	$STN Stantec	—	Open Market	Buy	7,692	$43.71	$336K	45
Aug 12, 2020	$STN Stantec	—	Exercise	Buy	7,692	$32.98	$254K	45
Aug 12, 2020	$STN Stantec	—	Open Market	Buy	13,564	$43.77	$594K	45
Aug 12, 2020	$STN Stantec	—	Exercise	Buy	13,564	$31.75	$431K	45
Aug 12, 2020	$STN Stantec	—	Open Market	Buy	4,863	$43.90	$214K	45
Aug 12, 2020	$STN Stantec	—	Exercise	Buy	4,863	$32.01	$156K	45
Aug 12, 2020	$STN Stantec	—	Exercise	Sell	13,564	$31.75	$431K	45
Aug 12, 2020	$STN Stantec	—	Exercise	Sell	7,692	$32.98	$254K	45
Apr 24, 2020	$STN Stantec	—	Other	Sell	4,500	$39.84	$179K	45
Mar 02, 2020	$STN Stantec	—	Open Market	Buy	3,964	$40.83	$162K	45
Mar 02, 2020	$STN Stantec	—	Exercise	Buy	11,930	$32.83	$392K	45
Mar 02, 2020	$STN Stantec	—	Exercise	Buy	3,964	$32.90	$130K	45
Mar 02, 2020	$STN Stantec	—	Exercise	Sell	3,964	$32.90	$130K	45
Mar 02, 2020	$STN Stantec	—	Exercise	Sell	11,930	$32.83	$392K	45
Mar 02, 2020	$STN Stantec	—	Open Market	Buy	11,930	$40.67	$485K	45

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