Withers Michael

Officer · ACI

As of 2026-09-16, Withers Michael has 144 Form 4 transactions on record across 1 company — 144 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: $109KIndirect: $0$109Kas of 2026-09-16
  • Direct $109K
  • Indirect $0
ACIdirect8,642 sh$109K

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

ACI · 144 trades
2026-08-07: Award / grant, 85 sh2026-08-07: Award / grant, 121 sh2026-08-07: Award / grant, 677 sh2026-08-07: Award / grant, 131 sh2026-08-07: Award / grant, 163 sh2026-08-07: Award / grant, 78 sh2026-08-07: Award / grant, 1,069 sh2026-08-07: Award / grant, 69 sh2026-08-07: Award / grant, 85 sh2026-08-07: Award / grant, 121 sh2026-08-07: Award / grant, 677 sh2026-08-07: Award / grant, 131 sh2026-08-07: Award / grant, 163 sh2026-08-07: Award / grant, 78 sh2026-08-07: Award / grant, 1,069 sh2026-08-07: Award / grant, 69 sh2026-08-07: Award / grant, 85 sh2026-08-07: Award / grant, 121 sh2026-08-07: Award / grant, 677 sh2026-08-07: Award / grant, 131 sh2026-08-07: Award / grant, 163 sh2026-08-07: Award / grant, 78 sh2026-08-07: Award / grant, 1,069 sh2026-08-07: Award / grant, 69 sh2026-08-07: Award / grant, 85 sh2026-08-07: Award / grant, 121 sh2026-08-07: Award / grant, 677 sh2026-08-07: Award / grant, 131 sh2026-08-07: Award / grant, 163 sh2026-08-07: Award / grant, 78 sh2026-08-07: Award / grant, 1,069 sh2026-08-07: Award / grant, 69 sh2026-05-08: Award / grant, 502 sh2026-05-08: Award / grant, 89 sh2026-05-08: Award / grant, 502 sh2026-05-08: Award / grant, 97 sh2026-05-08: Award / grant, 121 sh2026-05-08: Award / grant, 58 sh2026-05-08: Award / grant, 793 sh2026-05-08: Award / grant, 51 sh2026-05-08: Award / grant, 63 sh2026-05-08: Award / grant, 793 sh2026-05-08: Award / grant, 89 sh2026-05-08: Award / grant, 97 sh2026-05-08: Award / grant, 121 sh2026-05-08: Award / grant, 58 sh2026-05-08: Award / grant, 51 sh2026-05-08: Award / grant, 63 sh2026-04-21: Option exercise, 7,400 sh ($132K)2026-04-21: Option exercise, 6,692 sh ($120K)2026-04-21: Option exercise, 5,375 sh ($96K)2026-04-21: Option exercise, 7,400 sh2026-04-21: Withheld for tax, 2,988 sh2026-04-21: Withheld for tax, 2,274 sh2026-04-21: Withheld for tax, 3,131 sh2026-04-21: Option exercise, 6,692 sh2026-04-21: Option exercise, 5,375 sh2026-04-21: Option exercise, 7,400 sh2026-04-21: Withheld for tax, 2,988 sh2026-04-21: Withheld for tax, 2,274 sh2026-04-21: Withheld for tax, 3,131 sh2026-04-21: Option exercise, 6,692 sh2026-04-21: Option exercise, 5,375 sh2026-04-16: Award / grant, 15,781 sh2026-04-16: Award / grant, 15,781 sh2026-04-16: Award / grant, 15,781 sh2026-04-16: Award / grant, 15,781 sh2026-04-16: Award / grant, 15,781 sh2026-04-16: Award / grant, 47,343 sh2026-04-16: Award / grant, 15,781 sh2026-04-16: Award / grant, 47,343 sh2026-03-11: Other acquisition, 6,403 sh ($0)2026-03-02: Option exercise, 6,818 sh ($122K)2026-03-02: Option exercise, 5,704 sh ($102K)2026-03-02: Option exercise, 5,478 sh ($98K)2026-03-02: Option exercise, 4,568 sh ($82K)2026-03-02: Withheld for tax, 2,885 sh ($52K)2026-03-02: Withheld for tax, 2,413 sh ($43K)2026-03-02: Withheld for tax, 2,318 sh ($41K)2026-03-02: Withheld for tax, 1,993 sh ($36K)2026-03-02: Option exercise, 5,478 sh2026-03-02: Option exercise, 5,704 sh2026-03-02: Option exercise, 6,818 sh2026-03-02: Option exercise, 4,568 sh2026-03-02: Option exercise, 5,704 sh2026-03-02: Option exercise, 5,478 sh2026-03-02: Option exercise, 6,818 sh2026-03-02: Option exercise, 4,568 sh2026-02-06: Award / grant, 90 sh2026-02-06: Award / grant, 104 sh2026-02-06: Award / grant, 56 sh2026-02-06: Award / grant, 37 sh2026-02-06: Award / grant, 44 sh2026-02-06: Award / grant, 61 sh2026-02-06: Award / grant, 615 sh2026-02-06: Award / grant, 113 sh2026-02-06: Award / grant, 141 sh2026-02-06: Award / grant, 104 sh2026-02-06: Award / grant, 90 sh2026-02-06: Award / grant, 56 sh2026-02-06: Award / grant, 37 sh2026-02-06: Award / grant, 44 sh2026-02-06: Award / grant, 61 sh2026-02-06: Award / grant, 615 sh2026-02-06: Award / grant, 113 sh2026-02-06: Award / grant, 141 sh2026-02-04: Withheld for tax, 1,769 sh ($30K)2026-02-04: Option exercise, 4,182 sh2026-02-04: Option exercise, 4,182 sh2026-02-04: Option exercise, 4,182 sh2026-02-04: Option exercise, 4,182 sh2025-12-01: Option exercise, 3,022 sh ($55K)2025-12-01: Option exercise, 232 sh ($4K)2025-12-01: Option exercise, 232 sh ($4K)2025-12-01: Option exercise, 219 sh ($4K)2025-12-01: Option exercise, 185 sh ($3K)2025-12-01: Option exercise, 185 sh ($3K)2025-12-01: Option exercise, 182 sh ($3K)2025-12-01: Option exercise, 172 sh ($3K)2025-12-01: Option exercise, 172 sh ($3K)2025-12-01: Option exercise, 0 sh ($0)2025-12-01: Option exercise, 0 sh ($0)2025-12-01: Option exercise, 0 sh ($0)2025-12-01: Option exercise, 0 sh ($0)2025-12-01: Option exercise, 0 sh ($0)2025-12-01: Option exercise, 0 sh ($0)2025-11-07: Award / grant, 148 sh2025-11-07: Award / grant, 110 sh2025-11-07: Award / grant, 91 sh2025-11-07: Award / grant, 57 sh2025-11-07: Award / grant, 39 sh2025-11-07: Award / grant, 47 sh2025-11-07: Award / grant, 62 sh2025-11-07: Award / grant, 647 sh2025-11-07: Award / grant, 119 sh2025-11-07: Award / grant, 148 sh2025-11-07: Award / grant, 110 sh2025-11-07: Award / grant, 91 sh2025-11-07: Award / grant, 57 sh2025-11-07: Award / grant, 39 sh2025-11-07: Award / grant, 47 sh2025-11-07: Award / grant, 62 sh2025-11-07: Award / grant, 647 sh2025-11-07: Award / grant, 119 sh

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
144 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-07ACIAward / grant856,067Form 4
2026-08-07ACIAward / grant1218,642Form 4
2026-08-07ACIAward / grant67748,522Form 4
2026-08-07ACIAward / grant1319,361Form 4
2026-08-07ACIAward / grant16311,693Form 4
2026-08-07ACIAward / grant785,618Form 4
2026-08-07ACIAward / grant1,06976,594Form 4
2026-08-07ACIAward / grant694,926Form 4
2026-08-07ACIAward / grant856,067Form 4
2026-08-07ACIAward / grant1218,642Form 4
2026-08-07ACIAward / grant67748,522Form 4
2026-08-07ACIAward / grant1319,361Form 4
2026-08-07ACIAward / grant16311,693Form 4
2026-08-07ACIAward / grant785,618Form 4
2026-08-07ACIAward / grant1,06976,594Form 4
2026-08-07ACIAward / grant694,926Form 4
2026-08-07ACIAward / grant856,067Form 4
2026-08-07ACIAward / grant1218,642Form 4
2026-08-07ACIAward / grant67748,522Form 4
2026-08-07ACIAward / grant1319,361Form 4
2026-08-07ACIAward / grant16311,693Form 4
2026-08-07ACIAward / grant785,618Form 4
2026-08-07ACIAward / grant1,06976,594Form 4
2026-08-07ACIAward / grant694,926Form 4
2026-08-07ACIAward / grant856,067Form 4
2026-08-07ACIAward / grant1218,642Form 4
2026-08-07ACIAward / grant67748,522Form 4
2026-08-07ACIAward / grant1319,361Form 4
2026-08-07ACIAward / grant16311,693Form 4
2026-08-07ACIAward / grant785,618Form 4
2026-08-07ACIAward / grant1,06976,594Form 4
2026-08-07ACIAward / grant694,926Form 4
2026-05-08ACIAward / grant50247,845Form 4
2026-05-08ACIAward / grant898,521Form 4
2026-05-08ACIAward / grant50247,845Form 4
2026-05-08ACIAward / grant979,230Form 4
2026-05-08ACIAward / grant12111,530Form 4
2026-05-08ACIAward / grant585,540Form 4
2026-05-08ACIAward / grant79375,525Form 4
2026-05-08ACIAward / grant514,857Form 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.