WELTON MARK

Officer · IMAX

As of 2026-09-16, WELTON MARK has 30 Form 4 transactions on record across 1 company — 16 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.

Pattern in the record: open-market sales filed in December in multiple years since 2024 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $7.5MIndirect: $0$7.5Mas of 2026-09-16
  • Direct $7.5M
  • Indirect $0
IMAXdirect143,216 sh$7.5M

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

IMAX · 30 trades
2026-08-25: Sale, 30,000 sh ($1.6M)2026-03-07: Withheld for tax, 31,939 sh ($1.3M)2026-03-07: Withheld for tax, 19,781 sh ($807K)2026-03-07: Option exercise, 14,325 sh ($0)2026-03-07: Option exercise, 12,959 sh ($0)2026-03-07: Award / grant, 40,817 sh ($0)2026-03-07: Option exercise, 9,666 sh ($0)2026-03-07: Option exercise, 14,325 sh ($0)2026-03-07: Option exercise, 12,959 sh ($0)2026-03-07: Award / grant, 18,846 sh ($0)2026-03-07: Award / grant, 19,613 sh ($0)2026-03-07: Option exercise, 9,666 sh ($0)2025-12-15: Sale, 25,000 sh ($982K)2025-11-10: Sale, 49,504 sh ($1.7M)2025-11-10: Conversion, 49,504 sh ($1.1M)2025-11-10: Conversion, 49,504 sh ($1.1M)2025-03-07: Withheld for tax, 27,390 sh ($692K)2025-03-07: Withheld for tax, 21,007 sh ($531K)2025-03-07: Option exercise, 11,959 sh ($0)2025-03-07: Award / grant, 37,665 sh ($0)2025-03-07: Award / grant, 13,499 sh ($0)2025-03-07: Award / grant, 29,000 sh ($0)2025-03-07: Option exercise, 14,325 sh ($0)2025-03-07: Option exercise, 12,957 sh ($0)2025-03-07: Option exercise, 14,325 sh ($0)2025-03-07: Option exercise, 12,957 sh ($0)2025-03-07: Option exercise, 11,959 sh ($0)2024-12-09: Sale, 39,432 sh ($1.0M)2024-12-09: Conversion, 39,432 sh ($822K)2024-12-09: Conversion, 39,432 sh ($822K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-08-25IMAXSale30,000 @ $54.47$1.6M−17.3% of holding143,216Form 4
2025-12-15IMAXSale25,000 @ $39.28$982K−16.3% of holding128,323Form 4
2025-11-10IMAXSale49,504 @ $35.23$1.7M−24.4% of holding153,323Form 4
2024-12-09IMAXSale39,432 @ $25.51$1.0M−26.2% of holding111,315Form 4
26 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-03-07IMAXWithheld for tax31,939173,216Form 4
2026-03-07IMAXWithheld for tax19,781145,492Form 4
2026-03-07IMAXOption exercise14,32514,325Form 4
2026-03-07IMAXOption exercise12,9590Form 4
2026-03-07IMAXAward / grant40,817186,309Form 4
2026-03-07IMAXOption exercise9,666165,273Form 4
2026-03-07IMAXOption exercise14,325155,607Form 4
2026-03-07IMAXOption exercise12,959141,282Form 4
2026-03-07IMAXAward / grant18,846205,155Form 4
2026-03-07IMAXAward / grant19,61319,613Form 4
2026-03-07IMAXOption exercise9,66619,334Form 4
2025-11-10IMAXConversion49,5040Form 4
2025-11-10IMAXConversion49,504202,827Form 4
2025-03-07IMAXWithheld for tax27,390153,323Form 4
2025-03-07IMAXWithheld for tax21,007129,549Form 4
2025-03-07IMAXOption exercise11,9590Form 4
2025-03-07IMAXAward / grant37,665167,214Form 4
2025-03-07IMAXAward / grant13,499180,713Form 4
2025-03-07IMAXAward / grant29,00029,000Form 4
2025-03-07IMAXOption exercise14,32528,650Form 4
2025-03-07IMAXOption exercise12,95712,959Form 4
2025-03-07IMAXOption exercise14,325150,556Form 4
2025-03-07IMAXOption exercise12,957136,231Form 4
2025-03-07IMAXOption exercise11,959123,274Form 4
2024-12-09IMAXConversion39,432150,747Form 4
2024-12-09IMAXConversion39,4320Form 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.