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Date Issuer Insider Transaction Amount New Balance ⓘ
The balance of securities held by registered holder at the time of the transaction. Insiders may direct multiple registered holders and hold multiple security types.
Filed 2026-06-03 13:50
Tx date 2026-06-01 		$CSU
Constellation Software Inc. 		Symons, Barry Alan
5 - Senior Officer of Issuer
Holder: IA Securities (Indirect Ownership)
Common Shares
30 - Acquisition or disposition under a purchase/ownership plan 		$-14,583,450
-5,000 vol
$2,916 each 		37,000
Filed 2026-05-20 08:30
Tx date 2026-05-20 		$CSU
Constellation Software Inc. 		McKay, Damian
5 - Senior Officer of Issuer
Holder: Damian Kevin McKay (Indirect Ownership)
Common Shares
30 - Acquisition or disposition under a purchase/ownership plan 		$946,987
+360 vol
$2,630 each 		1,602
Filed 2026-05-05 11:44
Tx date 2026-05-05 		$CSU
Constellation Software Inc. 		Dufton, Michael Joseph
5 - Senior Officer of Issuer
Holder: Computershare (Indirect Ownership)
Common Shares
30 - Acquisition or disposition under a purchase/ownership plan 		$1,037,679
+435 vol
$2,385 each 		3,420
Filed 2026-05-01 13:35
Tx date 2026-05-01 		$CSU
Constellation Software Inc. 		Baksh, Jamal Nizam
4 - Director of Issuer, 5 - Senior Officer of Issuer
Holder: Computershare Trust Company (Indirect Ownership)
Common Shares
30 - Acquisition or disposition under a purchase/ownership plan 		$353,049
+148 vol
$2,385 each 		1,592
Filed 2026-04-30 15:45
Tx date 2025-08-28 		$CSU
Constellation Software Inc. 		van Poelje, Robin
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Holder: RVANPOE001 (Indirect Ownership)
Common Shares
30 - Acquisition or disposition under a purchase/ownership plan
-142 vol 		0
Filed 2026-04-30 15:45
Tx date 2025-08-28 		$CSU
Constellation Software Inc. 		van Poelje, Robin
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Holder: RVANPOE001 (Indirect Ownership)
Common Shares
99 - Correction of information
+2 vol 		142
Filed 2026-04-30 15:44
Tx date 2025-08-28 		$CSU
Constellation Software Inc. 		van Poelje, Robin
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Common Shares
30 - Acquisition or disposition under a purchase/ownership plan
-142 vol
Filed 2026-04-30 15:44
Tx date 2025-08-28 		$CSU
Constellation Software Inc. 		van Poelje, Robin
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Common Shares
99 - Correction of information
+2 vol
Filed 2026-04-30 11:12
Tx date 2025-08-28 		$CSU
Constellation Software Inc. 		van Poelje, Robin
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Common Shares
30 - Acquisition or disposition under a purchase/ownership plan
-142 vol
Filed 2026-04-30 11:12
Tx date 2025-08-28 		$CSU
Constellation Software Inc. 		van Poelje, Robin
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Common Shares
30 - Acquisition or disposition under a purchase/ownership plan
-142 vol 		-140
Filed 2026-04-30 11:11
Tx date 2025-08-28 		$CSU
Constellation Software Inc. 		van Poelje, Robin
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Common Shares
99 - Correction of information
+2 vol 		2
Filed 2026-04-30 11:11
Tx date 2025-08-28 		$CSU
Constellation Software Inc. 		van Poelje, Robin
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Common Shares
99 - Correction of information
+2 vol
Filed 2026-04-30 10:54
Tx date 2024-05-27 		$CSU
Constellation Software Inc. 		van Poelje, Robin
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Holder: RVANPOE001 (Indirect Ownership)
Common Shares
10 - Acquisition or disposition in the public market 		$-421,490
-113 vol
$3,730 each
Filed 2024-05-30 13:13
Tx date 2024-05-27 		$CSU
Constellation Software Inc. 		van Poelje, Robin
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Holder: RVANPOE001 (Indirect Ownership)
Common Shares
10 - Acquisition or disposition in the public market 		$-421,490
-113 vol
$3,730 each
Filed 2026-04-20 13:44
Tx date 2026-04-20 		$CSU
Constellation Software Inc. 		Cunningham, Lawrence
4 - Director of Issuer
Holder: Lawrence A. Cunningham (Indirect Ownership)
Common Shares
30 - Acquisition or disposition under a purchase/ownership plan 		$113,256
+44 vol
$2,574 each 		1,093
Filed 2026-04-16 14:04
Tx date 2026-04-16 		$CSU
Constellation Software Inc. 		Kittel, Robert
4 - Director of Issuer
Direct Ownership
Common Shares
30 - Acquisition or disposition under a purchase/ownership plan 		$104,960
+44 vol
$2,385 each 		1,247
Filed 2026-04-16 13:22
Tx date 2026-04-13 		$CSU
Constellation Software Inc. 		Beattie, Brian Robert
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Common Shares
10 - Acquisition or disposition in the public market 		$605,909
+254 vol
$2,385 each 		23,033
Filed 2026-04-15 10:57
Tx date 2026-04-15 		$CSU
Constellation Software Inc. 		Dennison, Mark
5 - Senior Officer of Issuer
Holder: Mark Dennison (Indirect Ownership)
Common Shares
30 - Acquisition or disposition under a purchase/ownership plan 		$405,529
+170 vol
$2,385 each 		-788
Filed 2026-04-13 16:46
Tx date 2026-04-13 		$CSU
Constellation Software Inc. 		Zinman, Daniel
5 - Senior Officer of Issuer
Holder: Computer Share (Indirect Ownership)
Common Shares
30 - Acquisition or disposition under a purchase/ownership plan 		$615,451
+258 vol
$2,385 each 		10,851
Filed 2026-04-10 16:36
Tx date 2015-12-31 		$CSU
Constellation Software Inc. 		van Poelje, Robin
7 - Director or Senior Officer of Insider or Subsidiary of Issuer (other than in 4,5,6)
Direct Ownership
Common Shares
00 - Opening Balance-Initial SEDI Report