Latest filing published 20 Oct 2026 for Custom Health Holdings Inc., €19k.
Filing timeline
BuySaleInsider track record
Michael Castanho: trading record in brief
Most of Michael Castanho's record dates from 2026: 23 of the 37 filings, against 10 in 2023 and 4 in 2024. The last twelve months also hold 23, made up of 11 purchases and 2 sales.
Michael Castanho is a director of Atha Energy Corp. (20 filings) and of Custom Health Holdings Inc. (17), where the senior officer role is added. Both are listed in Toronto. In all, there are 24 open-market purchases worth EUR 178,311 (median EUR 6,781), which is 92% of market trades, and 2 sales worth EUR 48,552.
The most recent purchase is also the largest: EUR 18,668 on October 20, 2026 at Custom Health Holdings, ahead of EUR 17,880 on July 9, 2026 and EUR 17,589 at Atha Energy on March 20, 2024. The two sales, of EUR 32,391 and EUR 16,162, took place at Atha Energy on July 20 and July 21, 2026.
The count of trades by Castanho within 30 days of colleagues is 4, 1 and 1. In the same direction: 4, 1 and 0. Names in order: Troy Darren Boisjoli (Atha Energy Corp.), Kevin George Knight (Custom Health Holdings Inc.) and Andrew Aertker (Custom Health Holdings Inc.).
Across 23 purchases, the stored 90-day result is a median of 7.7%, with 57% positive (stored past results, not a forecast).
Companies and markets linked to Michael Castanho
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
- 5,000 shares@ CA$5.900.020% mcap12.9% of flowCommon SharesTSXSEDI:4793358Canonical exit: 18 Jan 2027 (T+90)
- 3,000 shares@ CA$7.470.015% mcap9.7% of flowCommon SharesTSXSEDI:4777583
- 2,000 shares@ CA$7.740.010% mcap6.7% of flowCommon SharesTSXSEDI:4775564
- 2,500 sharesCommon SharesTSXSEDI:4774165
- 2,500 shares@ CA$6.77560.0091% mcap8.4% of flowCommon SharesTSXSEDI:4768471
- 1,000 shares@ CA$7.1960.0039% mcap3.6% of flowCommon SharesTSXSEDI:4768470
- 25,000 shares@ CA$1.040.0071% mcap33.3% of flowCommon SharesTSXSEDI:4754945
- 50,000 shares@ CA$1.040.014% mcap66.7% of flowCommon SharesTSXSEDI:4754944
- 250,000 sharesCommon SharesTSXSEDI:4754943
- 250,000 sharesRights Restricted Share UnitsTSXSEDI:4754941
- 250,000 sharesRights Restricted Share UnitsTSXSEDI:4753953
- 175,000 sharesOptionsTSXSEDI:4753949
- 3,000 shares@ CA$6.2240.0100% mcap9.2% of flowCommon SharesTSXSEDI:4752198Canonical exit: 11 Oct 2026 (T+90)
- 2,500 shares@ CA$6.000.0080% mcap7.4% of flowCommon SharesTSXSEDI:4751727Canonical exit: 8 Oct 2026 (T+90)
- 2,500 shares@ CA$5.770.0077% mcap7.1% of flowCommon SharesTSXSEDI:4751724Canonical exit: 8 Oct 2026 (T+90)
- 5,000 shares@ CA$5.79960.015% mcap14.2% of flowCommon SharesTSXSEDI:4750391Canonical exit: 7 Oct 2026 (T+90)
- 2,500 shares@ CA$5.91480.0079% mcap7.2% of flowCommon SharesTSXSEDI:4750389Canonical exit: 7 Oct 2026 (T+90)
- 2,000 shares@ CA$6.250.0067% mcap6.1% of flowCommon SharesTSXSEDI:4748629Canonical exit: 5 Oct 2026 (T+90)
- 1,000 shares@ CA$6.9870.0037% mcap3.4% of flowCommon SharesTSXSEDI:4748627Canonical exit: 5 Oct 2026 (T+90)
- 1,000 shares@ CA$7.000.0037% mcap3.4% of flowCommon SharesTSXSEDI:4744863Canonical exit: 30 Sept 2026 (T+90)
- 1,000 shares@ CA$7.0750.0038% mcap3.5% of flowCommon SharesTSXSEDI:4741490Canonical exit: 27 Sept 2026 (T+90)
- 2,000 shares@ CA$7.87357.7% of flowCommon SharesTSXSEDI:4741075Canonical exit: 24 Sept 2026 (T+90)
- Common SharesTSXSEDI:4741074
- Common SharesTSXSEDI:4687125
- 800,000 shares@ CA$0.7953.6% of flowCommon SharesTSXSEDI:4687126
25 of 44 declarations
