Harmer Derek

Officer · ACEL

As of 2026-09-16, Harmer Derek has 68 Form 4 transactions on record across 1 company — 31 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 June in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $1.8MIndirect: $13K$1.8Mas of 2026-09-16
  • Direct $1.8M
  • Indirect $13K
ACELdirect157,767 sh$1.8M
ACELindirect1,100 sh$13K

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

ACEL · 68 trades
2026-09-14: Sale, 13,162 sh ($153K)2026-09-11: Sale, 26,324 sh ($306K)2026-07-15: Withheld for tax, 3,907 sh ($48K)2026-07-15: Option exercise, 13,333 sh ($0)2026-07-15: Option exercise, 13,333 sh ($0)2026-06-15: Sale, 20,000 sh ($260K)2026-06-05: Award / grant, 42,085 sh ($0)2026-03-16: Gift, 1,000 sh ($0)2026-03-15: Withheld for tax, 2,265 sh ($26K)2026-03-15: Option exercise, 7,728 sh ($0)2026-03-15: Option exercise, 7,728 sh ($0)2026-03-14: Withheld for tax, 6,750 sh ($76K)2026-03-14: Withheld for tax, 1,994 sh ($23K)2026-03-14: Withheld for tax, 541 sh ($6K)2026-03-14: Option exercise, 23,037 sh ($0)2026-03-14: Option exercise, 6,803 sh ($0)2026-03-14: Option exercise, 1,846 sh ($0)2026-03-14: Option exercise, 23,037 sh ($0)2026-03-14: Option exercise, 6,803 sh ($0)2026-03-14: Option exercise, 1,846 sh ($0)2026-03-13: Sale, 20,000 sh ($228K)2026-03-10: Sale, 2,092 sh ($24K)2026-03-10: Option exercise, 7,138 sh ($0)2026-03-10: Option exercise, 7,138 sh ($0)2026-02-25: Award / grant, 23,037 sh ($0)2025-12-24: Sale, 5,000 sh ($58K)2025-12-23: Sale, 5,000 sh ($58K)2025-12-15: Sale, 10,000 sh ($111K)2025-12-14: Withheld for tax, 542 sh ($6K)2025-12-14: Option exercise, 1,847 sh ($0)2025-12-14: Option exercise, 1,847 sh ($0)2025-09-14: Withheld for tax, 541 sh ($6K)2025-09-14: Option exercise, 1,846 sh ($0)2025-09-14: Option exercise, 1,846 sh ($0)2025-07-15: Withheld for tax, 3,907 sh ($47K)2025-07-15: Option exercise, 13,334 sh ($0)2025-07-15: Option exercise, 13,334 sh ($0)2025-06-23: Sale, 5,000 sh ($58K)2025-06-16: Sale, 5,000 sh ($57K)2025-06-14: Withheld for tax, 542 sh ($6K)2025-06-14: Option exercise, 1,847 sh ($0)2025-06-14: Option exercise, 1,847 sh ($0)2025-05-23: Gift, 1,000 sh ($0)2025-04-09: Sale, 5,000 sh ($53K)2025-03-19: Sale, 5,000 sh ($50K)2025-03-16: Withheld for tax, 593 sh ($6K)2025-03-16: Option exercise, 2,021 sh ($0)2025-03-16: Option exercise, 2,021 sh ($0)2025-03-15: Withheld for tax, 2,265 sh ($22K)2025-03-15: Option exercise, 7,728 sh ($0)2025-03-15: Option exercise, 7,728 sh ($0)2025-03-14: Withheld for tax, 1,994 sh ($20K)2025-03-14: Withheld for tax, 541 sh ($5K)2025-03-14: Option exercise, 1,846 sh ($0)2025-03-14: Option exercise, 6,804 sh ($0)2025-03-14: Option exercise, 1,846 sh ($0)2025-03-14: Option exercise, 6,804 sh ($0)2025-03-10: Award / grant, 21,414 sh ($0)2025-01-01: Withheld for tax, 4,844 sh ($52K)2025-01-01: Option exercise, 14,000 sh ($0)2025-01-01: Option exercise, 14,000 sh ($0)2024-12-16: Sale, 10,000 sh ($117K)2024-12-16: Withheld for tax, 593 sh ($7K)2024-12-16: Option exercise, 2,021 sh ($0)2024-12-16: Option exercise, 2,021 sh ($0)2024-12-14: Withheld for tax, 542 sh ($6K)2024-12-14: Option exercise, 1,847 sh ($0)2024-12-14: Option exercise, 1,847 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-09-14ACELSale13,162 @ $11.60$153K−7.7% of holding157,767Form 4
2026-09-11ACELSale26,324 @ $11.63$306K−13.3% of holding170,929Form 4
2026-06-15ACELSale20,000 @ $13.00$260K−9.6% of holding187,827Form 4
2026-03-13ACELSale20,000 @ $11.39$228K−10.0% of holding179,963Form 4
2026-03-10ACELSale2,092 @ $11.45$24K−1.0% of holding199,963Form 4
2025-12-24ACELSale5,000 @ $11.50$58K−2.5% of holding194,917Form 4
2025-12-23ACELSale5,000 @ $11.50$58K−2.4% of holding199,917Form 4
2025-12-15ACELSale10,000 @ $11.11$111K−4.7% of holding204,917Form 4
2025-06-23ACELSale5,000 @ $11.50$58K−2.4% of holding202,880Form 4
2025-06-16ACELSale5,000 @ $11.36$57K−2.3% of holding207,880Form 4
2025-04-09ACELSale5,000 @ $10.50$53K−2.3% of holding211,575Form 4
2025-03-19ACELSale5,000 @ $10.00$50K−2.3% of holding216,575Form 4
2024-12-16ACELSale10,000 @ $11.70$117K−4.8% of holding199,413Form 4
55 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-07-15ACELWithheld for tax3,907197,253Form 4
2026-07-15ACELOption exercise13,3330Form 4
2026-07-15ACELOption exercise13,333201,160Form 4
2026-06-05ACELAward / grant42,08542,085Form 4
2026-03-16ACELGift1,0001,100Form 4
2026-03-15ACELWithheld for tax2,265207,827Form 4
2026-03-15ACELOption exercise7,7287,728Form 4
2026-03-15ACELOption exercise7,728210,092Form 4
2026-03-14ACELWithheld for tax6,750202,364Form 4
2026-03-14ACELWithheld for tax1,994186,077Form 4
2026-03-14ACELWithheld for tax541181,268Form 4
2026-03-14ACELOption exercise23,0370Form 4
2026-03-14ACELOption exercise6,8030Form 4
2026-03-14ACELOption exercise1,8460Form 4
2026-03-14ACELOption exercise23,037209,114Form 4
2026-03-14ACELOption exercise6,803188,071Form 4
2026-03-14ACELOption exercise1,846181,809Form 4
2026-03-10ACELOption exercise7,13814,276Form 4
2026-03-10ACELOption exercise7,138202,055Form 4
2026-02-25ACELAward / grant23,03723,037Form 4
2025-12-14ACELWithheld for tax542214,917Form 4
2025-12-14ACELOption exercise1,847215,459Form 4
2025-12-14ACELOption exercise1,8471,846Form 4
2025-09-14ACELWithheld for tax541213,612Form 4
2025-09-14ACELOption exercise1,846214,153Form 4
2025-09-14ACELOption exercise1,8463,693Form 4
2025-07-15ACELWithheld for tax3,907212,307Form 4
2025-07-15ACELOption exercise13,334216,214Form 4
2025-07-15ACELOption exercise13,33413,333Form 4
2025-06-14ACELWithheld for tax542212,880Form 4
2025-06-14ACELOption exercise1,8475,539Form 4
2025-06-14ACELOption exercise1,847213,422Form 4
2025-05-23ACELGift1,0001,100Form 4
2025-03-16ACELWithheld for tax593221,575Form 4
2025-03-16ACELOption exercise2,0210Form 4
2025-03-16ACELOption exercise2,021222,168Form 4
2025-03-15ACELWithheld for tax2,265220,147Form 4
2025-03-15ACELOption exercise7,728222,412Form 4
2025-03-15ACELOption exercise7,72815,456Form 4
2025-03-14ACELWithheld for tax1,994214,684Form 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.