Kristen M Oelschlager

CIK 1856565 · Chief Operating Officer · last filed 2026-03-05

Kristen M Oelschlager is a Chief Operating Officer who has filed 25 SEC Form 4 insider transactions across 1 company since 2021. The most recent filing, for CSTL, was dated Mar 5, 2026. Across all open-market trades the lifetime net is −$3.9M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $3.0M 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

$2.96M

Companies

1

Total Filings

25

Lifetime Open-Market Net

-$3.93M

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
CSTL Chief Operating Officer 143,090 $20.70 $2.96M -$3.93M 25 2026-03-05

Recent Filings

25 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-03-05 CSTL Mixed +16,552 -$258.2K EDGAR
2026-01-14 CSTL Grant (A) +9,207 $0 EDGAR
2025-12-19 CSTL Sell (S) −14,888 -$585.3K EDGAR
2025-12-11 CSTL Mixed +14,888 -$276.5K EDGAR
2025-11-13 CSTL Sell (S) −18,932 -$664.5K EDGAR
2025-11-04 CSTL Sell (S) −12,678 -$317.5K EDGAR
2025-11-04 CSTL Sell (S) −18,007 -$390.6K EDGAR
2025-08-29 CSTL Sell (S) −12,677 -$279.1K EDGAR
2025-08-29 CSTL Sell (S) −18,007 -$390.6K EDGAR
2025-08-12 CSTL Mixed +7,836 -$54.3K 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.