Johnston Ian A Insider Trading Activity

Corporate InsiderCFO · CIK 2069237

Total trades

$823K

Total volume

Mar 10, 2026

Last activity

AMRZ

Amrize Ltd

Johnston Ian A has been net-buying over the last 12 months with 14 purchases and 0 sales across 1 company.

AMRZ is the most-traded position with 14 trades. The largest single transaction was a purchase of AMRZ for $256K on Aug 8, 2025.

Performance Scorecard

Forward stock performance after each transaction by Johnston Ian A. Buy returns measure price movement after open-market purchases; sell-avoided measures the loss avoided after open-market sales. Success rate counts trades where the insider's direction was right.

PERIOD	AVG BUY RETURN	AVG SELL AVOIDED	SUCCESS RATE	TRADES
30 days	+10.0%	—	79%	14
90 days	-0.8%	—	79%	14
120 days	+5.6%	—	79%	14

Performance based on stock price movement after each transaction date. Past results do not predict future returns. Not financial advice.

Price & Trades

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AMRZ · Amrize Ltd

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Recent Trades

DATE	TICKER	TYPE	SHARES	PRICE	VALUE	Δ OWNED	ROLE
Mar 10, 2026	AMRZ	Buy	4,250	$58.94	$250K	+20.4%	CFO
Feb 19, 2026	AMRZ	Buy	995	$63.92	$64K	+5.7%	CFO
Feb 19, 2026	AMRZ	Buy	205	$63.91	$13K	+1.1%	CFO
Aug 8, 2025	AMRZ	Buy	5,370	$47.73	$256K	+78.5%	CFO
Aug 8, 2025	AMRZ	Buy	1,459	$47.68	$70K	+11.9%	CFO
Aug 8, 2025	AMRZ	Buy	1,041	$47.67	$50K	+7.6%	CFO
Aug 8, 2025	AMRZ	Buy	750	$47.71	$36K	+5.1%	CFO
Aug 8, 2025	AMRZ	Buy	575	$47.69	$27K	+3.7%	CFO
Aug 8, 2025	AMRZ	Buy	500	$47.74	$24K	+3.1%	CFO
Aug 8, 2025	AMRZ	Buy	300	$47.72	$14K	+1.8%	CFO
Aug 8, 2025	AMRZ	Buy	150	$47.70	$7K	+0.9%	CFO
Aug 8, 2025	AMRZ	Buy	111	$47.73	$5K	+0.7%	CFO
Aug 8, 2025	AMRZ	Buy	100	$47.72	$5K	+0.6%	CFO
Aug 8, 2025	AMRZ	Buy	44	$47.66	$2K	+0.3%	CFO