Zartler William A

Director · Officer · Ten-percent owner · SEI, ARIS

As of 2026-09-16, Zartler William A has 29 Form 4 transactions on record across 2 companies — 18 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: $84.9MIndirect: $0$84.9Mas of 2026-09-16
  • Direct $84.9M
  • Indirect $0
SEIdirect1,314,883 sh$84.9M

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

ARIS · 21 trades
2025-10-15: Disposition, 488,474 sh2025-10-15: Disposition, 139,473 sh2025-10-15: Disposition, 162,712 sh2025-10-15: Disposition, 56,497 sh2025-10-15: Disposition, 584,270 sh2025-10-15: Disposition, 488,474 sh2025-10-15: Disposition, 1,064,617 sh2025-10-15: Disposition, 488,474 sh2025-10-15: Disposition, 1,064,617 sh2025-10-15: Disposition, 139,473 sh2025-10-15: Disposition, 162,712 sh2025-10-15: Disposition, 56,497 sh2025-10-15: Disposition, 584,270 sh2025-10-15: Disposition, 488,474 sh2025-10-15: Disposition, 1,064,617 sh2025-10-15: Disposition, 1,064,617 sh2025-03-06: Award / grant, 83,725 sh ($0)2025-03-01: Withheld for tax, 41,545 sh ($1.3M)2025-02-12: Withheld for tax, 16,499 sh ($463K)2025-02-12: Award / grant, 54,935 sh ($0)2024-12-16: Withheld for tax, 27,012 sh ($697K)
SEI · 8 trades
2026-03-01: Award / grant, 150,000 sh ($0)2026-03-01: Award / grant, 115,656 sh ($0)2025-09-09: Purchase, 10,000 sh ($248K)2025-05-21: Purchase, 10,000 sh ($218K)2025-03-07: Purchase, 10,000 sh ($232K)2025-03-06: Award / grant, 10,000 sh ($241K)2025-03-01: Withheld for tax, 81,114 sh ($2.8M)2025-03-01: Award / grant, 225,378 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2025-09-09SEIPurchase10,000 @ $24.83$248K+1.0% of holding1,049,227Form 4
2025-05-21SEIPurchase10,000 @ $21.78$218K+1.0% of holding1,039,227Form 4
2025-03-07SEIPurchase10,000 @ $23.23$232K+1.0% of holding1,029,227Form 4
26 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-03-01SEIAward / grant150,0001,199,227Form 4
2026-03-01SEIAward / grant115,6561,314,883Form 4
2025-10-15ARISDisposition488,4740Form 4
2025-10-15ARISDisposition139,4730Form 4
2025-10-15ARISDisposition162,7120Form 4
2025-10-15ARISDisposition56,4970Form 4
2025-10-15ARISDisposition584,2700Form 4
2025-10-15ARISDisposition488,4740Form 4
2025-10-15ARISDisposition1,064,6170Form 4
2025-10-15ARISDisposition488,4740Form 4
2025-10-15ARISDisposition1,064,6170Form 4
2025-10-15ARISDisposition139,4730Form 4
2025-10-15ARISDisposition162,7120Form 4
2025-10-15ARISDisposition56,4970Form 4
2025-10-15ARISDisposition584,2700Form 4
2025-10-15ARISDisposition488,4740Form 4
2025-10-15ARISDisposition1,064,6170Form 4
2025-10-15ARISDisposition1,064,6170Form 4
2025-03-06SEIAward / grant10,0001,019,227Form 4
2025-03-06ARISAward / grant83,725584,270Form 4
2025-03-01SEIWithheld for tax81,1141,009,227Form 4
2025-03-01ARISWithheld for tax41,545500,545Form 4
2025-03-01SEIAward / grant225,3781,090,341Form 4
2025-02-12ARISWithheld for tax16,499542,090Form 4
2025-02-12ARISAward / grant54,935558,589Form 4
2024-12-16ARISWithheld for tax27,012503,654Form 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.