Schneyer Mark C.

Officer · ACAD

As of 2026-09-27, Schneyer Mark C. has 79 Form 4 transactions on record across 1 company — 32 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 2024 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $1.2MIndirect: $0$1.2Mas of 2026-09-27
  • Direct $1.2M
  • Indirect $0
ACADdirect60,423 sh$1.2M

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

ACAD · 79 trades
2026-08-06: Sale, 9,292 sh ($273K)2026-08-06: Option exercise, 14,292 sh ($255K)2026-08-06: Sale, 5,000 sh ($145K)2026-08-06: Option exercise, 14,292 sh ($0)2026-08-05: Sale, 5,849 sh ($170K)2026-08-05: Option exercise, 5,849 sh ($104K)2026-08-05: Option exercise, 5,849 sh ($0)2026-05-04: Sale, 3,506 sh ($76K)2026-05-01: Option exercise, 6,815 sh ($0)2026-05-01: Option exercise, 6,815 sh2026-05-01: Option exercise, 6,815 sh2026-04-07: Sale, 2,709 sh ($60K)2026-04-05: Option exercise, 5,276 sh ($0)2026-04-05: Option exercise, 5,276 sh2026-04-05: Option exercise, 5,276 sh2026-03-26: Sale, 3,171 sh ($69K)2026-03-26: Sale, 37 sh ($804)2026-03-25: Sale, 4,177 sh ($90K)2026-03-25: Option exercise, 6,178 sh ($0)2026-03-25: Option exercise, 6,178 sh2026-03-25: Option exercise, 6,178 sh2026-03-24: Option exercise, 8,138 sh ($0)2026-03-24: Option exercise, 8,138 sh2026-03-24: Option exercise, 8,138 sh2026-03-06: Award / grant, 26,382 sh ($0)2026-03-06: Award / grant, 90,691 sh ($0)2025-11-18: Sale, 10,262 sh ($243K)2025-11-17: Option exercise, 9,913 sh ($0)2025-11-17: Option exercise, 9,913 sh2025-11-17: Option exercise, 9,913 sh2025-11-17: Option exercise, 9,913 sh2025-11-17: Option exercise, 9,913 sh2025-09-15: Sale, 3,498 sh ($83K)2025-09-12: Award / grant, 6,815 sh ($0)2025-08-18: Sale, 22,000 sh ($554K)2025-05-16: Sale, 2,000 sh ($50K)2025-05-02: Sale, 3,498 sh ($51K)2025-05-01: Option exercise, 6,815 sh ($0)2025-05-01: Option exercise, 6,815 sh2025-05-01: Option exercise, 6,815 sh2025-04-08: Sale, 2,708 sh ($40K)2025-04-05: Option exercise, 5,275 sh ($0)2025-04-05: Option exercise, 5,275 sh2025-04-05: Option exercise, 5,275 sh2025-03-26: Sale, 3,171 sh ($54K)2025-03-25: Option exercise, 6,178 sh ($0)2025-03-25: Option exercise, 6,178 sh2025-03-25: Option exercise, 6,178 sh2025-03-24: Award / grant, 32,552 sh ($0)2025-03-24: Award / grant, 110,761 sh ($0)2025-02-24: Sale, 773 sh ($15K)2025-02-23: Option exercise, 1,353 sh ($0)2025-02-23: Option exercise, 1,353 sh2025-02-23: Option exercise, 1,353 sh2024-11-19: Sale, 10,259 sh ($172K)2024-11-17: Option exercise, 9,913 sh ($0)2024-11-17: Option exercise, 9,913 sh2024-11-17: Option exercise, 9,913 sh2024-11-17: Option exercise, 9,913 sh2024-11-17: Option exercise, 9,913 sh2024-08-19: Sale, 9,733 sh ($149K)2024-08-16: Award / grant, 13,629 sh ($0)2024-08-16: Award / grant, 5,275 sh ($0)2024-06-10: Sale, 975 sh ($14K)2024-06-08: Option exercise, 1,893 sh ($0)2024-06-08: Option exercise, 1,893 sh2024-05-02: Sale, 3,503 sh ($59K)2024-05-01: Option exercise, 6,814 sh ($0)2024-05-01: Option exercise, 6,814 sh2024-04-08: Sale, 2,716 sh ($49K)2024-04-05: Option exercise, 5,275 sh ($0)2024-04-05: Option exercise, 5,275 sh2024-03-27: Sale, 5,434 sh ($97K)2024-03-25: Award / grant, 10,550 sh ($0)2024-03-25: Award / grant, 24,714 sh ($0)2024-03-25: Award / grant, 80,564 sh ($0)2024-02-26: Sale, 772 sh ($19K)2024-02-23: Option exercise, 1,353 sh ($0)2024-02-23: Option exercise, 1,353 sh

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-08-06ACADSale9,292 @ $29.34$273K−12.0% of holding67,828Form 4
2026-08-06ACADSale5,000 @ $29.00$145K−6.1% of holding77,120Form 4
2026-08-05ACADSale5,849 @ $29.00$170K−7.9% of holding67,828Form 4
2026-05-04ACADSale3,506 @ $21.79$76K−5.0% of holding66,145Form 4
2026-04-07ACADSale2,709 @ $22.20$60K−4.1% of holding62,836Form 4
2026-03-26ACADSale3,171 @ $21.65$69K−5.0% of holding60,306Form 4
2026-03-26ACADSale37 @ $21.72$804−0.1% of holding60,269Form 4
2026-03-25ACADSale4,177 @ $21.47$90K−6.8% of holding57,299Form 4
2025-11-18ACADSale10,262 @ $23.69$243K−16.1% of holding53,338Form 4
2025-09-15ACADSale3,498 @ $23.65$83K−7.5% of holding43,447Form 4
2025-08-18ACADSale22,000 @ $25.18$554K−35.4% of holding40,130Form 4
2025-05-16ACADSale2,000 @ $25.00$50K−3.1% of holding62,130Form 4
2025-05-02ACADSale3,498 @ $14.60$51K−5.3% of holding62,773Form 4
2025-04-08ACADSale2,708 @ $14.82$40K−4.4% of holding59,456Form 4
2025-03-26ACADSale3,171 @ $17.05$54K−5.3% of holding56,889Form 4
2025-02-24ACADSale773 @ $19.96$15K−1.4% of holding53,882Form 4
2024-11-19ACADSale10,259 @ $16.81$172K−16.1% of holding53,302Form 4
2024-08-19ACADSale9,733 @ $15.28$149K−18.2% of holding43,735Form 4
2024-06-10ACADSale975 @ $14.79$14K−2.7% of holding34,564Form 4
2024-05-02ACADSale3,503 @ $16.94$59K−9.9% of holding32,053Form 4
2024-04-08ACADSale2,716 @ $17.87$49K−8.6% of holding28,742Form 4
2024-03-27ACADSale5,434 @ $17.90$97K−17.2% of holding26,183Form 4
2024-02-26ACADSale772 @ $24.67$19K−3.5% of holding21,067Form 4
56 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-06ACADOption exercise14,29282,120Form 4
2026-08-06ACADOption exercise14,29260,423Form 4
2026-08-05ACADOption exercise5,84973,677Form 4
2026-08-05ACADOption exercise5,84974,715Form 4
2026-05-01ACADOption exercise6,8156,815Form 4
2026-05-01ACADOption exercise6,81569,651Form 4
2026-05-01ACADOption exercise6,81569,651Form 4
2026-04-05ACADOption exercise5,2760Form 4
2026-04-05ACADOption exercise5,27665,545Form 4
2026-04-05ACADOption exercise5,27665,545Form 4
2026-03-25ACADOption exercise6,17812,358Form 4
2026-03-25ACADOption exercise6,17863,477Form 4
2026-03-25ACADOption exercise6,17863,477Form 4
2026-03-24ACADOption exercise8,13824,414Form 4
2026-03-24ACADOption exercise8,13861,476Form 4
2026-03-24ACADOption exercise8,13861,476Form 4
2026-03-06ACADAward / grant26,38226,382Form 4
2026-03-06ACADAward / grant90,69190,691Form 4
2025-11-17ACADOption exercise9,9130Form 4
2025-11-17ACADOption exercise9,91363,600Form 4
2025-11-17ACADOption exercise9,91363,600Form 4
2025-11-17ACADOption exercise9,91353,687Form 4
2025-11-17ACADOption exercise9,91353,687Form 4
2025-09-12ACADAward / grant6,81546,945Form 4
2025-05-01ACADOption exercise6,81513,630Form 4
2025-05-01ACADOption exercise6,81566,271Form 4
2025-05-01ACADOption exercise6,81566,271Form 4
2025-04-05ACADOption exercise5,2755,276Form 4
2025-04-05ACADOption exercise5,27562,164Form 4
2025-04-05ACADOption exercise5,27562,164Form 4
2025-03-25ACADOption exercise6,17818,536Form 4
2025-03-25ACADOption exercise6,17860,060Form 4
2025-03-25ACADOption exercise6,17860,060Form 4
2025-03-24ACADAward / grant32,55232,552Form 4
2025-03-24ACADAward / grant110,761110,761Form 4
2025-02-23ACADOption exercise1,3530Form 4
2025-02-23ACADOption exercise1,35354,655Form 4
2025-02-23ACADOption exercise1,35354,655Form 4
2024-11-17ACADOption exercise9,9139,913Form 4
2024-11-17ACADOption exercise9,91363,561Form 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.