Christopher Burke Gaskill

CIK 1854269 · VP & General Counsel · last filed 2026-01-29

Christopher Burke Gaskill is a VP & General Counsel who has filed 18 SEC Form 4 insider transactions across 2 companies since 2021. The most recent filing, for CSL, was dated Jan 29, 2026. Across all open-market trades the lifetime net is −$477.4K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $297.4K across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$297.4K

Companies

2

Total Filings

18

Lifetime Open-Market Net

-$477.4K

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
CSL VP & General Counsel 865 $343.77 $297.4K $0 1 2026-01-29
Summit Materials, Inc. (SUM) Delisted See Remarks 0 $52.49 $0 -$477.4K 17 2025-02-10

Recent Filings

18 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-01-29 CSL Grant (A) +865 $0 EDGAR
2025-02-10 Summit Materials, Inc. (SUM) Delisted Disp (D) −44,693 -$2.35M EDGAR
2025-01-17 Summit Materials, Inc. (SUM) Delisted Mixed +4,641 -$200.9K EDGAR
2024-12-11 Summit Materials, Inc. (SUM) Delisted Mixed −169 -$41.5K EDGAR
2024-03-08 Summit Materials, Inc. (SUM) Delisted Mixed +8,301 -$273.8K EDGAR
2024-03-04 Summit Materials, Inc. (SUM) Delisted Mixed +4,755 -$164.7K EDGAR
2023-12-06 Summit Materials, Inc. (SUM) Delisted Gift (G) −224 $0 EDGAR
2023-03-01 Summit Materials, Inc. (SUM) Delisted Mixed +4,628 -$112.9K EDGAR
2023-02-24 Summit Materials, Inc. (SUM) Delisted Grant (A) $0 EDGAR
2022-08-01 Summit Materials, Inc. (SUM) Delisted Mixed +3,918 -$84.4K EDGAR
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.