Hartje Karen

Officer · SEZL

As of 2026-09-16, Hartje Karen has 63 Form 4 transactions on record across 1 company — 6 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: $3.9MIndirect: $0$3.9Mas of 2026-09-16
  • Direct $3.9M
  • Indirect $0
SEZLdirect33,661 sh$3.9M

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

SEZL · 63 trades
2025-11-12: Withheld for tax, 5,310 sh ($308K)2025-10-06: Sale, 3,591 sh ($303K)2025-10-06: Sale, 830 sh ($72K)2025-10-06: Sale, 651 sh ($56K)2025-10-06: Sale, 412 sh ($36K)2025-09-30: Withheld for tax, 5,309 sh ($447K)2025-07-07: Sale, 2,407 sh ($402K)2025-07-07: Sale, 1,840 sh ($309K)2025-07-07: Sale, 887 sh ($150K)2025-07-07: Sale, 200 sh ($34K)2025-07-07: Sale, 150 sh ($27K)2025-07-01: Withheld for tax, 5,310 sh ($890K)2025-05-09: Sale, 55,913 sh ($4.7M)2025-05-09: Sale, 44,650 sh ($3.8M)2025-05-09: Sale, 16,292 sh ($1.4M)2025-05-09: Sale, 4,501 sh ($391K)2025-05-09: Option exercise, 16,362 sh ($142K)2025-05-09: Option exercise, 14,562 sh ($77K)2025-05-09: Option exercise, 68,496 sh ($22K)2025-05-09: Option exercise, 68,496 sh ($0)2025-05-09: Option exercise, 14,562 sh ($0)2025-05-09: Option exercise, 16,362 sh ($0)2025-05-08: Sale, 91,156 sh ($6.3M)2025-05-08: Sale, 38,682 sh ($3.0M)2025-05-08: Sale, 35,539 sh ($2.7M)2025-05-08: Sale, 38,573 sh ($2.6M)2025-05-08: Sale, 24,229 sh ($1.8M)2025-05-08: Sale, 17,735 sh ($1.3M)2025-05-08: Sale, 14,004 sh ($1.1M)2025-05-08: Sale, 15,218 sh ($1.0M)2025-05-08: Sale, 9,517 sh ($664K)2025-05-08: Sale, 8,845 sh ($645K)2025-05-08: Sale, 6,090 sh ($451K)2025-05-08: Sale, 6,798 sh ($445K)2025-05-08: Option exercise, 40,530 sh ($352K)2025-05-08: Sale, 2,916 sh ($230K)2025-05-08: Option exercise, 38,346 sh ($204K)2025-05-08: Sale, 1,894 sh ($136K)2025-05-08: Option exercise, 193,902 sh ($62K)2025-05-08: Option exercise, 38,346 sh ($0)2025-05-08: Option exercise, 193,902 sh ($0)2025-05-08: Option exercise, 40,530 sh ($0)2025-04-01: Withheld for tax, 10,440 sh ($379K)2025-03-20: Award / grant, 1,000 sh ($232K)2025-03-20: Withheld for tax, 456 sh ($106K)2025-02-18: Sale, 2,217 sh ($778K)2025-02-18: Option exercise, 200 sh ($10K)2025-02-18: Option exercise, 200 sh ($6K)2025-02-18: Option exercise, 1,337 sh ($3K)2025-02-18: Option exercise, 1,337 sh ($0)2025-02-18: Option exercise, 200 sh ($0)2025-02-18: Option exercise, 200 sh ($0)2025-02-14: Sale, 3,202 sh ($1.1M)2025-02-14: Option exercise, 599 sh ($31K)2025-02-14: Option exercise, 684 sh ($22K)2025-02-14: Option exercise, 588 sh ($1K)2025-02-14: Option exercise, 588 sh ($0)2025-02-14: Option exercise, 599 sh ($0)2025-02-14: Option exercise, 684 sh ($0)2025-01-16: Sale, 3,457 sh ($1.1M)2025-01-16: Option exercise, 3,457 sh ($110K)2025-01-16: Option exercise, 3,457 sh ($0)2025-01-01: Withheld for tax, 438 sh ($112K)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2025-10-06SEZLSale3,591 @ $84.32$303K−3.0% of holding117,946Form 4
2025-10-06SEZLSale830 @ $86.46$72K−0.7% of holding116,465Form 4
2025-10-06SEZLSale651 @ $85.37$56K−0.6% of holding117,295Form 4
2025-10-06SEZLSale412 @ $87.39$36K−0.4% of holding116,053Form 4
2025-07-07SEZLSale2,407 @ $166.86$402K−1.8% of holding129,923Form 4
2025-07-07SEZLSale1,840 @ $167.85$309K−1.4% of holding128,083Form 4
2025-07-07SEZLSale887 @ $168.73$150K−0.7% of holding127,196Form 4
2025-07-07SEZLSale200 @ $172.20$34K−0.2% of holding126,996Form 4
2025-07-07SEZLSale150 @ $179.00$27K−0.1% of holding126,846Form 4
2025-05-09SEZLSale55,913 @ $83.49$4.7M−22.0% of holding197,773Form 4
2025-05-09SEZLSale44,650 @ $84.85$3.8M−22.6% of holding153,123Form 4
2025-05-09SEZLSale16,292 @ $85.77$1.4M−10.6% of holding136,831Form 4
2025-05-09SEZLSale4,501 @ $86.77$391K−3.3% of holding132,330Form 4
2025-05-08SEZLSale91,156 @ $68.73$6.3M−22.5% of holding313,717Form 4
2025-05-08SEZLSale38,682 @ $77.40$3.0M−18.4% of holding171,186Form 4
2025-05-08SEZLSale35,539 @ $76.30$2.7M−14.5% of holding209,868Form 4
2025-05-08SEZLSale38,573 @ $67.83$2.6M−8.7% of holding404,873Form 4
2025-05-08SEZLSale24,229 @ $75.30$1.8M−9.0% of holding245,407Form 4
2025-05-08SEZLSale17,735 @ $70.83$1.3M−5.8% of holding286,465Form 4
2025-05-08SEZLSale14,004 @ $78.27$1.1M−8.2% of holding157,182Form 4
2025-05-08SEZLSale15,218 @ $66.85$1.0M−3.3% of holding443,446Form 4
2025-05-08SEZLSale9,517 @ $69.79$664K−3.0% of holding304,200Form 4
2025-05-08SEZLSale8,845 @ $72.91$645K−3.1% of holding275,726Form 4
2025-05-08SEZLSale6,090 @ $74.13$451K−2.2% of holding269,636Form 4
2025-05-08SEZLSale6,798 @ $65.45$445K−1.5% of holding458,664Form 4
2025-05-08SEZLSale2,916 @ $79.02$230K−1.9% of holding154,266Form 4
2025-05-08SEZLSale1,894 @ $71.98$136K−0.7% of holding284,571Form 4
2025-02-18SEZLSale2,217 @ $350.96$778K−6.2% of holding33,310Form 4
2025-02-14SEZLSale3,202 @ $352.39$1.1M−8.7% of holding33,790Form 4
2025-01-16SEZLSale3,457 @ $316.32$1.1M−9.0% of holding35,121Form 4
33 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2025-11-12SEZLWithheld for tax5,31033,661Form 4
2025-09-30SEZLWithheld for tax5,309121,537Form 4
2025-07-01SEZLWithheld for tax5,310127,020Form 4
2025-05-09SEZLOption exercise16,362253,686Form 4
2025-05-09SEZLOption exercise14,562237,324Form 4
2025-05-09SEZLOption exercise68,496222,762Form 4
2025-05-09SEZLOption exercise68,4960Form 4
2025-05-09SEZLOption exercise14,5620Form 4
2025-05-09SEZLOption exercise16,3620Form 4
2025-05-08SEZLOption exercise40,530465,462Form 4
2025-05-08SEZLOption exercise38,346424,932Form 4
2025-05-08SEZLOption exercise193,902386,586Form 4
2025-05-08SEZLOption exercise38,34614,562Form 4
2025-05-08SEZLOption exercise193,90268,496Form 4
2025-05-08SEZLOption exercise40,53016,362Form 4
2025-04-01SEZLWithheld for tax10,440192,684Form 4
2025-03-20SEZLAward / grant1,00034,310Form 4
2025-03-20SEZLWithheld for tax45633,854Form 4
2025-02-18SEZLOption exercise20034,190Form 4
2025-02-18SEZLOption exercise20033,990Form 4
2025-02-18SEZLOption exercise1,33735,527Form 4
2025-02-18SEZLOption exercise1,33743,733Form 4
2025-02-18SEZLOption exercise2009,482Form 4
2025-02-18SEZLOption exercise2008,818Form 4
2025-02-14SEZLOption exercise59936,404Form 4
2025-02-14SEZLOption exercise68435,805Form 4
2025-02-14SEZLOption exercise58836,992Form 4
2025-02-14SEZLOption exercise58845,070Form 4
2025-02-14SEZLOption exercise5999,682Form 4
2025-02-14SEZLOption exercise6849,018Form 4
2025-01-16SEZLOption exercise3,45738,578Form 4
2025-01-16SEZLOption exercise3,4579,702Form 4
2025-01-01SEZLWithheld for tax43835,121Form 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.