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Canada Chemicals

Chatham Rock Phosphate Ltd (NZP)

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Over the last 90 days, Chatham Rock Phosphate Ltd. saw three insider transactions totaling CAD 7,940 in buys and CAD 4,880 in sells. Director Christopher David Castle was involved in all transactions, with recent buys in March 2026 and a sell in May 2026. The stock has experienced a 33.3% decline over the past 90 days.
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Ticker: NZP Exchange: CVE
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Castle, Christopher David
Director of Issuer, Senior Officer of Issuer
1 sale — total 4,880 CAD
Sale 11 May 2026
Value CA$779,072.32 | Price 402.34 | Shares 4,457
Buy 24 Mar 2026
Value CA$3,236,139.61 | Price 489.99 | Shares 85,287
Buy 23 Mar 2026
Value CA$4,010.00 | Price 0.04 | Shares 100,000
Buy 23 Dec 2025
Value CA$37,285.75 | Price 0.05 | Shares 745,715
Sale 27 Nov 2025
Value CA$2,410.00 | Price 0.05 | Shares 50,000
Sale 19 Nov 2025
Value CA$9,231.05 | Price 0.05 | Shares 195,573
Sale 18 Nov 2025
Value CA$12,461.40 | Price 0.05 | Shares 258,000
Sale 11 Nov 2025
Value CA$9,526.55 | Price 0.05 | Shares 182,152
Buy 24 Jul 2025
Value CA$79,083.50 | Price 0.05 | Shares 1,581,670
Buy 24 Jul 2025
Value CA$10,800.00 | Price 0.06 | Shares 180,000
Sale 17 Jun 2025
Value CA$121.80 | Price 0.06 | Shares 2,000
Sale 17 Jun 2025
Value CA$149.18 | Price 0.06 | Shares 2,520
Sale 16 Jun 2025
Value CA$1,572.12 | Price 0.06 | Shares 25,480
Sale 16 Jun 2025
Value CA$1,779.00 | Price 0.06 | Shares 30,000
Sale 5 Jun 2025
Value CA$1,206.00 | Price 0.06 | Shares 20,000
Sale 29 May 2025
Value CA$5,016.00 | Price 0.06 | Shares 80,000
Buy 10 Sep 2024
Value CA$8,000.00 | Price 0.08 | Shares 100,000
Buy 16 Aug 2024
Value CA$4,000.00 | Price 0.08 | Shares 50,000
Buy 16 Aug 2024
Value CA$4,000.00 | Price 0.08 | Shares 50,000
Buy 10 May 2024
Value CA$4,400.00 | Price 0.08 | Shares 55,000
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-05-15 2026-05-11 S Sale
2.1
Castle, Christopher David

Director of Issuer, Senior Officer of Issuer

Executive Director
4,457 -9.0%
402.34
CA$779,072 		4,457 -9.0% 402.34 CA$779,072
2026-03-25 2026-03-24 B Purchase
2.1
Castle, Christopher David

Director of Issuer, Senior Officer of Issuer

Executive Director
85,287 +42.1%
489.99
CA$3,236,140 		85,287 +42.1% 489.99 CA$3,236,140
2026-03-25 2026-03-23 B Purchase
2.1
Castle, Christopher David

Director of Issuer, Senior Officer of Issuer

Executive Director
5,297 -12.6%
427.47
CA$218,144 		5,297 -12.6% 427.47 CA$218,144
2025-12-23 2025-12-23 B Purchase
2.1
Castle, Christopher David

Director of Issuer, Senior Officer of Issuer

Executive Director
745,715 +210.5%
0.05
CA$37,286 		745,715 +210.5% 0.05 CA$37,286
2025-11-28 2025-11-27 S Sale
2.1
Castle, Christopher David

Director of Issuer, Senior Officer of Issuer

Executive Director
50,000 -12.4%
0.05
CA$2,410 		50,000 -12.4% 0.05 CA$2,410
2025-11-21 2025-11-19 S Sale
2.1
Castle, Christopher David

Director of Issuer, Senior Officer of Issuer

Executive Director
195,573 -32.6%
0.05
CA$9,231 		195,573 -32.6% 0.05 CA$9,231
2025-11-19 2025-11-18 S Sale
2.1
Castle, Christopher David

Director of Issuer, Senior Officer of Issuer

Executive Director
258,000 -30.1%
0.05
CA$12,461 		258,000 -30.1% 0.05 CA$12,461
2025-11-12 2025-11-11 S Sale
2.1
Castle, Christopher David

Director of Issuer, Senior Officer of Issuer

Executive Director
182,152 -17.5%
0.05
CA$9,527 		182,152 -17.5% 0.05 CA$9,527
2025-07-27 2025-07-24 B Purchase
1.8
Hochwimmer, Georg

10% Security Holder of Issuer

Large shareholder
1,581,670 +15.2%
0.05
CA$79,084 		1,581,670 +15.2% 0.05 CA$79,084
2025-07-25 2025-07-24 B Purchase
2.1
Castle, Christopher David

Director of Issuer, Senior Officer of Issuer

Executive Director
180,000
0.06
CA$10,800 		180,000 0.06 CA$10,800
2025-06-18 2025-06-17 S Sale
2.1
Castle, Christopher David

Director of Issuer

Non-Executive Director
2,000 -0.2%
0.06
CA$122 		2,000 -0.2% 0.06 CA$122
2025-06-18 2025-06-17 S Sale
2.1
Castle, Christopher David

Director of Issuer

Non-Executive Director
2,520 -0.3%
0.06
CA$149 		2,520 -0.3% 0.06 CA$149
2025-06-18 2025-06-16 S Sale
2.1
Castle, Christopher David

Director of Issuer

Non-Executive Director
25,480
0.06
CA$1,572 		25,480 0.06 CA$1,572
2025-06-18 2025-06-16 S Sale
2.1
Castle, Christopher David

Director of Issuer

Non-Executive Director
30,000 -3.3%
0.06
CA$1,779 		30,000 -3.3% 0.06 CA$1,779
2025-06-09 2025-06-05 S Sale
2.1
Castle, Christopher David

Director of Issuer

Non-Executive Director
20,000 -2.1%
0.06
CA$1,206 		20,000 -2.1% 0.06 CA$1,206
2025-06-02 2025-05-29 S Sale
2.1
Castle, Christopher David

Director of Issuer

Non-Executive Director
80,000 -7.8%
0.06
CA$5,016 		80,000 -7.8% 0.06 CA$5,016
2024-09-11 2024-09-10 B Purchase
2.8
Randall, Colin

Director of Issuer

Non-Executive Director
100,000 +1.5%
0.08
CA$8,000 		100,000 +1.5% 0.08 CA$8,000
2024-08-16 2024-08-16 B Purchase
2.2
Sanders, Linda

Director of Issuer

Non-Executive Director
50,000 +17.0%
0.08
CA$4,000 		50,000 +17.0% 0.08 CA$4,000
2024-08-16 2024-08-16 B Purchase
2.1
Castle, Christopher David

Director of Issuer

Non-Executive Director
50,000 +5.2%
0.08
CA$4,000 		50,000 +5.2% 0.08 CA$4,000
2024-05-13 2024-05-10 B Purchase
2.8
Randall, Colin

Director of Issuer

Non-Executive Director
55,000 +0.8%
0.08
CA$4,400 		55,000 +0.8% 0.08 CA$4,400
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