Johnston Ian A

Officer · AMRZ

As of 2026-09-16, Johnston Ian A has 18 Form 4 transactions on record across 1 company — 5 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $964KIndirect: $0$964Kas of 2026-09-16
  • Direct $964K
  • Indirect $0
AMRZdirect25,110 sh$964K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

AMRZ · 18 trades
2026-03-10: Purchase, 4,250 sh ($250K)2026-02-27: Withheld for tax, 1,941 sh ($126K)2026-02-27: Award / grant, 4,257 sh ($0)2026-02-19: Purchase, 995 sh ($64K)2026-02-19: Purchase, 205 sh ($13K)2025-08-08: Purchase, 5,370 sh ($256K)2025-08-08: Purchase, 1,459 sh ($70K)2025-08-08: Purchase, 1,041 sh ($50K)2025-08-08: Purchase, 750 sh ($36K)2025-08-08: Purchase, 575 sh ($27K)2025-08-08: Purchase, 500 sh ($24K)2025-08-08: Purchase, 300 sh ($14K)2025-08-08: Purchase, 150 sh ($7K)2025-08-08: Purchase, 111 sh ($5K)2025-08-08: Purchase, 100 sh ($5K)2025-08-08: Purchase, 100 sh ($5K)2025-08-08: Purchase, 44 sh ($2K)2025-06-23: Other acquisition, 6,844 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-03-10AMRZPurchase4,250 @ $58.94$250K+20.4% of holding25,110Form 4
2026-02-19AMRZPurchase995 @ $63.92$64K+5.7% of holding18,339Form 4
2026-02-19AMRZPurchase205 @ $63.91$13K+1.1% of holding18,544Form 4
2025-08-08AMRZPurchase5,370 @ $47.73$256K+78.5% of holding12,214Form 4
2025-08-08AMRZPurchase1,459 @ $47.68$70K+11.9% of holding13,673Form 4
2025-08-08AMRZPurchase1,041 @ $47.67$50K+7.6% of holding14,714Form 4
2025-08-08AMRZPurchase750 @ $47.71$36K+5.1% of holding15,464Form 4
2025-08-08AMRZPurchase575 @ $47.69$27K+3.7% of holding16,039Form 4
2025-08-08AMRZPurchase500 @ $47.74$24K+3.1% of holding16,539Form 4
2025-08-08AMRZPurchase300 @ $47.72$14K+1.8% of holding16,839Form 4
2025-08-08AMRZPurchase150 @ $47.70$7K+0.9% of holding16,989Form 4
2025-08-08AMRZPurchase111 @ $47.73$5K+0.7% of holding17,100Form 4
2025-08-08AMRZPurchase100 @ $47.75$5K+0.6% of holding17,300Form 4
2025-08-08AMRZPurchase100 @ $47.72$5K+0.6% of holding17,200Form 4
2025-08-08AMRZPurchase44 @ $47.66$2K+0.3% of holding17,344Form 4
3 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-02-27AMRZWithheld for tax1,94120,860Form 4
2026-02-27AMRZAward / grant4,25722,801Form 4
2025-06-23AMRZOther acquisition6,8446,844Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.