Oelschlager Kristen M

Officer · CSTL

As of 2026-09-16, Oelschlager Kristen M has 55 Form 4 transactions on record across 1 company — 33 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 August in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $442KIndirect: $2.6M$3.0Mas of 2026-09-16
  • Direct $442K
  • Indirect $2.6M
CSTLindirect72,649 sh$2.6M
CSTLdirect12,458 sh$442K

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

CSTL · 55 trades
2026-09-01: Sale, 3,952 sh ($132K)2026-09-01: Option exercise, 4,152 sh ($14K)2026-09-01: Sale, 200 sh ($7K)2026-09-01: Option exercise, 4,152 sh ($0)2026-08-25: Sale, 7,161 sh ($245K)2026-08-25: Sale, 5,223 sh ($181K)2026-08-24: Sale, 12,218 sh ($412K)2026-08-03: Sale, 4,486 sh ($135K)2026-08-03: Sale, 3,000 sh ($87K)2026-08-03: Sale, 1,100 sh ($34K)2026-07-01: Sale, 8,186 sh ($200K)2026-07-01: Sale, 400 sh ($10K)2026-06-16: Sale, 8,587 sh ($178K)2026-03-04: Withheld for tax, 6,792 sh ($191K)2026-03-04: Option exercise, 11,960 sh ($0)2026-03-04: Option exercise, 13,811 sh ($0)2026-03-04: Option exercise, 25,771 sh2026-03-04: Option exercise, 25,771 sh2026-03-03: Withheld for tax, 2,427 sh ($67K)2026-03-03: Award / grant, 48,367 sh ($0)2026-01-12: Award / grant, 9,207 sh ($0)2026-01-12: Award / grant, 9,207 sh ($0)2025-12-17: Sale, 14,888 sh ($585K)2025-12-10: Withheld for tax, 2,552 sh ($97K)2025-12-10: Option exercise, 6,170 sh ($0)2025-12-10: Option exercise, 6,170 sh2025-12-10: Option exercise, 6,170 sh2025-12-09: Withheld for tax, 4,691 sh ($179K)2025-12-09: Option exercise, 15,961 sh ($0)2025-12-09: Option exercise, 15,961 sh2025-12-09: Option exercise, 15,961 sh2025-11-11: Sale, 18,932 sh ($665K)2025-10-31: Sale, 12,678 sh ($317K)2025-08-27: Sale, 18,007 sh ($391K)2025-08-27: Sale, 12,677 sh ($279K)2025-08-08: Withheld for tax, 2,804 sh ($54K)2025-08-08: Option exercise, 10,640 sh ($0)2025-08-08: Option exercise, 10,640 sh ($0)2025-03-04: Withheld for tax, 3,640 sh ($81K)2025-03-04: Award / grant, 47,838 sh ($0)2025-03-04: Option exercise, 13,811 sh ($0)2025-03-04: Option exercise, 13,811 sh2025-03-04: Option exercise, 13,811 sh2024-12-10: Withheld for tax, 1,626 sh ($48K)2024-12-10: Withheld for tax, 530 sh ($16K)2024-12-10: Option exercise, 6,169 sh ($0)2024-12-10: Option exercise, 1,750 sh ($0)2024-12-10: Option exercise, 1,750 sh2024-12-10: Option exercise, 6,169 sh2024-12-10: Option exercise, 6,169 sh2024-12-10: Option exercise, 1,750 sh2024-12-09: Withheld for tax, 4,206 sh ($130K)2024-12-09: Option exercise, 15,961 sh ($0)2024-12-09: Option exercise, 15,961 sh2024-12-09: Option exercise, 15,961 sh

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-09-01CSTLSale3,952 @ $33.36$132K−22.6% of holding13,556Form 4
2026-09-01CSTLSale200 @ $34.02$7K−1.5% of holding13,356Form 4
2026-08-25CSTLSale7,161 @ $34.26$245K−8.4% of holding77,872Form 4
2026-08-25CSTLSale5,223 @ $34.64$181K−6.7% of holding72,649Form 4
2026-08-24CSTLSale12,218 @ $33.69$412K−12.6% of holding85,033Form 4
2026-08-03CSTLSale4,486 @ $30.00$135K−23.8% of holding14,388Form 4
2026-08-03CSTLSale3,000 @ $29.12$87K−13.7% of holding18,874Form 4
2026-08-03CSTLSale1,100 @ $30.62$34K−7.6% of holding13,288Form 4
2026-07-01CSTLSale8,186 @ $24.40$200K−26.9% of holding22,274Form 4
2026-07-01CSTLSale400 @ $24.78$10K−1.8% of holding21,874Form 4
2026-06-16CSTLSale8,587 @ $20.71$178K−22.0% of holding30,460Form 4
2025-12-17CSTLSale14,888 @ $39.31$585K−54.7% of holding12,323Form 4
2025-11-11CSTLSale18,932 @ $35.10$665K−60.6% of holding12,323Form 4
2025-10-31CSTLSale12,678 @ $25.04$317K−31.5% of holding27,569Form 4
2025-08-27CSTLSale18,007 @ $21.69$391K−10.5% of holding153,793Form 4
2025-08-27CSTLSale12,677 @ $22.02$279K−8.2% of holding141,116Form 4
39 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-09-01CSTLOption exercise4,15217,508Form 4
2026-09-01CSTLOption exercise4,15212,458Form 4
2026-03-04CSTLWithheld for tax6,79239,047Form 4
2026-03-04CSTLOption exercise11,96035,878Form 4
2026-03-04CSTLOption exercise13,81127,621Form 4
2026-03-04CSTLOption exercise25,77145,839Form 4
2026-03-04CSTLOption exercise25,77145,839Form 4
2026-03-03CSTLWithheld for tax2,42720,068Form 4
2026-03-03CSTLAward / grant48,36748,367Form 4
2026-01-12CSTLAward / grant9,20721,530Form 4
2026-01-12CSTLAward / grant9,2079,207Form 4
2025-12-10CSTLWithheld for tax2,55227,211Form 4
2025-12-10CSTLOption exercise6,1700Form 4
2025-12-10CSTLOption exercise6,17029,763Form 4
2025-12-10CSTLOption exercise6,17029,763Form 4
2025-12-09CSTLWithheld for tax4,69123,593Form 4
2025-12-09CSTLOption exercise15,96115,961Form 4
2025-12-09CSTLOption exercise15,96128,284Form 4
2025-12-09CSTLOption exercise15,96128,284Form 4
2025-08-08CSTLWithheld for tax2,804171,800Form 4
2025-08-08CSTLOption exercise10,6400Form 4
2025-08-08CSTLOption exercise10,640174,604Form 4
2025-03-04CSTLWithheld for tax3,640163,964Form 4
2025-03-04CSTLAward / grant47,83847,838Form 4
2025-03-04CSTLOption exercise13,81141,432Form 4
2025-03-04CSTLOption exercise13,811167,604Form 4
2025-03-04CSTLOption exercise13,811167,604Form 4
2024-12-10CSTLWithheld for tax1,626152,522Form 4
2024-12-10CSTLWithheld for tax530147,979Form 4
2024-12-10CSTLOption exercise6,1696,170Form 4
2024-12-10CSTLOption exercise1,7500Form 4
2024-12-10CSTLOption exercise1,750148,509Form 4
2024-12-10CSTLOption exercise6,169154,148Form 4
2024-12-10CSTLOption exercise6,169154,148Form 4
2024-12-10CSTLOption exercise1,750148,509Form 4
2024-12-09CSTLWithheld for tax4,206146,759Form 4
2024-12-09CSTLOption exercise15,96131,922Form 4
2024-12-09CSTLOption exercise15,961150,965Form 4
2024-12-09CSTLOption exercise15,961150,965Form 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.