Michael Withers
Insider
First SEC filing: Aug. 22, 2025 · Latest: June 4, 2026
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 7, 2026 | ACI | A | 85 | · | · | 6,067 Direct | +1.42% | Acquired | (price as of 2026-10-02) |
| Aug. 7, 2026 | ACI | A | 69 | · | · | 4,926 Direct | +1.42% | Acquired | (price as of 2026-10-02) |
| Aug. 7, 2026 | ACI | A | 1,069 | · | · | 76,594 Direct | +1.42% | Acquired | (price as of 2026-10-02) |
| Aug. 7, 2026 | ACI | A | 78 | · | · | 5,618 Direct | +1.41% | Acquired | (price as of 2026-10-02) |
| Aug. 7, 2026 | ACI | A | 163 | · | · | 11,693 Direct | +1.41% | Acquired | (price as of 2026-10-02) |
| Aug. 7, 2026 | ACI | A | 131 | · | · | 9,361 Direct | +1.42% | Acquired | (price as of 2026-10-02) |
| Aug. 7, 2026 | ACI | A | 677 | · | · | 48,522 Direct | +1.41% | Acquired | (price as of 2026-10-02) |
| Aug. 7, 2026 | ACI | A | 121 | · | · | 8,642 Direct | +1.42% | Acquired | (price as of 2026-10-02) |
| May 8, 2026 | ACI | A | 63 | · | · | 5,982 Direct | +1.06% | Acquired | (price as of 2026-10-02) |
| May 8, 2026 | ACI | A | 51 | · | · | 4,857 Direct | +1.06% | Acquired | (price as of 2026-10-02) |
| May 8, 2026 | ACI | A | 793 | · | · | 75,525 Direct | +1.06% | Acquired | (price as of 2026-10-02) |
| May 8, 2026 | ACI | A | 58 | · | · | 5,540 Direct | +1.06% | Acquired | (price as of 2026-10-02) |
| May 8, 2026 | ACI | A | 121 | · | · | 11,530 Direct | +1.06% | Acquired | (price as of 2026-10-02) |
| May 8, 2026 | ACI | A | 97 | · | · | 9,230 Direct | +1.06% | Acquired | (price as of 2026-10-02) |
| May 8, 2026 | ACI | A | 502 | · | · | 47,845 Direct | +1.06% | Acquired | (price as of 2026-10-02) |
| May 8, 2026 | ACI | A | 89 | · | · | 8,521 Direct | +1.06% | Acquired | (price as of 2026-10-02) |
| April 21, 2026 | ACI | M | 7,400 | $17.90 | $132,460 | 20,810 Direct | +55.18% | Acquired | -34.4% (price as of 2026-10-02) |
| April 21, 2026 | ACI | F | 3,131 | · | · | 17,679 Direct | -15.05% | Disposed | (price as of 2026-10-02) |
| April 21, 2026 | ACI | M | 5,375 | $17.90 | $96,212 | 23,054 Direct | +30.40% | Acquired | -34.4% (price as of 2026-10-02) |
| April 21, 2026 | ACI | F | 2,274 | · | · | 20,780 Direct | -9.86% | Disposed | (price as of 2026-10-02) |
| April 21, 2026 | ACI | M | 6,692 | $17.90 | $119,787 | 27,472 Direct | +32.20% | Acquired | -34.4% (price as of 2026-10-02) |
| April 21, 2026 | ACI | F | 2,988 | · | · | 24,484 Direct | -10.88% | Disposed | (price as of 2026-10-02) |
| April 21, 2026 | ACI | M | 7,400 | · | · | 8,381 Direct | -46.89% | Disposed | (price as of 2026-10-02) |
| April 21, 2026 | ACI | M | 5,375 | · | · | 3,006 Direct | -64.13% | Disposed | (price as of 2026-10-02) |
| April 21, 2026 | ACI | M | 6,692 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| April 16, 2026 | ACI | A | 47,343 | · | · | 47,343 Direct | · | Acquired | (price as of 2026-10-02) |
| April 16, 2026 | ACI | A | 15,781 | · | · | 15,781 Direct | · | Acquired | (price as of 2026-10-02) |
| April 16, 2026 | ACI | A | 15,781 | · | · | 15,781 Direct | · | Acquired | (price as of 2026-10-02) |
| April 16, 2026 | ACI | A | 15,781 | · | · | 15,781 Direct | · | Acquired | (price as of 2026-10-02) |
| March 11, 2026 | ACI | J | 6,403 | · | · | 13,410 Direct | -32.32% | Disposed | (price as of 2026-10-02) |
| March 2, 2026 | ACI | M | 6,818 | $17.90 | $122,042 | 13,672 Direct | +99.47% | Acquired | -34.4% (price as of 2026-10-02) |
| March 2, 2026 | ACI | F | 2,885 | $17.90 | $51,642 | 10,787 Direct | -21.10% | Disposed | -34.4% (price as of 2026-10-02) |
| March 2, 2026 | ACI | M | 5,478 | $17.90 | $98,056 | 16,265 Direct | +50.78% | Acquired | -34.4% (price as of 2026-10-02) |
| March 2, 2026 | ACI | F | 2,318 | $17.90 | $41,492 | 13,947 Direct | -14.25% | Disposed | -34.4% (price as of 2026-10-02) |
| March 2, 2026 | ACI | M | 5,704 | $17.90 | $102,102 | 19,651 Direct | +40.90% | Acquired | -34.4% (price as of 2026-10-02) |
| March 2, 2026 | ACI | F | 2,413 | $17.90 | $43,193 | 17,238 Direct | -12.28% | Disposed | -34.4% (price as of 2026-10-02) |
| March 2, 2026 | ACI | M | 4,568 | $17.90 | $81,767 | 21,806 Direct | +26.50% | Acquired | -34.4% (price as of 2026-10-02) |
| March 2, 2026 | ACI | F | 1,993 | $17.90 | $35,675 | 19,813 Direct | -9.14% | Disposed | -34.4% (price as of 2026-10-02) |
| March 2, 2026 | ACI | M | 6,818 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 2, 2026 | ACI | M | 5,478 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 2, 2026 | ACI | M | 5,704 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| March 2, 2026 | ACI | M | 4,568 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Feb. 6, 2026 | ACI | A | 56 | · | · | 6,818 Direct | +0.83% | Acquired | (price as of 2026-10-02) |
| Feb. 6, 2026 | ACI | A | 90 | · | · | 10,960 Direct | +0.83% | Acquired | (price as of 2026-10-02) |
| Feb. 6, 2026 | ACI | A | 104 | · | · | 12,649 Direct | +0.83% | Acquired | (price as of 2026-10-02) |
| Feb. 6, 2026 | ACI | A | 141 | · | · | 17,113 Direct | +0.83% | Acquired | (price as of 2026-10-02) |
| Feb. 6, 2026 | ACI | A | 113 | · | · | 13,701 Direct | +0.83% | Acquired | (price as of 2026-10-02) |
| Feb. 6, 2026 | ACI | A | 615 | · | · | 74,732 Direct | +0.83% | Acquired | (price as of 2026-10-02) |
| Feb. 6, 2026 | ACI | A | 61 | · | · | 19,285 Direct | +0.32% | Acquired | (price as of 2026-10-02) |
| Feb. 6, 2026 | ACI | A | 44 | · | · | 19,285 Direct | +0.23% | Acquired | (price as of 2026-10-02) |
| Feb. 6, 2026 | ACI | A | 37 | · | · | 15,259 Direct | +0.24% | Acquired | (price as of 2026-10-02) |
| Feb. 4, 2026 | ACI | M | 4,182 | · | · | 8,623 Direct | +94.17% | Acquired | (price as of 2026-10-02) |
| Feb. 4, 2026 | ACI | F | 1,769 | $16.86 | $29,825 | 6,854 Direct | -20.51% | Disposed | -30.3% (price as of 2026-10-02) |
| Feb. 4, 2026 | ACI | M | 4,182 | · | · | 8,363 Direct | -33.34% | Disposed | (price as of 2026-10-02) |
| Dec. 1, 2025 | ACI | M | 172 | $18.10 | $3,113 | 4,182 Direct | -3.95% | Disposed | -35.1% (price as of 2026-10-02) |
| Dec. 1, 2025 | ACI | M | 172 | $18.10 | $3,113 | 4,182 Direct | -3.95% | Disposed | -35.1% (price as of 2026-10-02) |
| Dec. 1, 2025 | ACI | M | 172 | $18.10 | $3,113 | 4,010 Direct | -4.11% | Disposed | -35.1% (price as of 2026-10-02) |
| Dec. 1, 2025 | ACI | M | 232 | $18.10 | $4,199 | 5,657 Direct | -3.94% | Disposed | -35.1% (price as of 2026-10-02) |
| Dec. 1, 2025 | ACI | M | 232 | $18.10 | $4,199 | 5,657 Direct | -3.94% | Disposed | -35.1% (price as of 2026-10-02) |
| Dec. 1, 2025 | ACI | M | 232 | $18.10 | $4,199 | 5,658 Direct | -3.94% | Disposed | -35.1% (price as of 2026-10-02) |
| Dec. 1, 2025 | ACI | M | 3,022 | $18.10 | $54,698 | 74,117 Direct | -3.92% | Disposed | -35.1% (price as of 2026-10-02) |
| Dec. 1, 2025 | ACI | M | 185 | $18.10 | $3,348 | 4,530 Direct | -3.92% | Disposed | -35.1% (price as of 2026-10-02) |
| Dec. 1, 2025 | ACI | M | 185 | $18.10 | $3,348 | 4,530 Direct | -3.92% | Disposed | -35.1% (price as of 2026-10-02) |
| Dec. 1, 2025 | ACI | M | 185 | $18.10 | $3,348 | 4,528 Direct | -3.93% | Disposed | -35.1% (price as of 2026-10-02) |
| Dec. 1, 2025 | ACI | M | 219 | $18.10 | $3,964 | 5,331 Direct | -3.95% | Disposed | -35.1% (price as of 2026-10-02) |
| Dec. 1, 2025 | ACI | M | 0 | $18.10 | · | 6,510 Direct | 0.00% | Disposed | -35.1% (price as of 2026-10-02) |
| Dec. 1, 2025 | ACI | M | 182 | $18.10 | $3,294 | 4,422 Direct | -3.95% | Disposed | -35.1% (price as of 2026-10-02) |
| Dec. 1, 2025 | ACI | M | 0 | $18.10 | · | 5,400 Direct | 0.00% | Disposed | -35.1% (price as of 2026-10-02) |
| Dec. 1, 2025 | ACI | M | 0 | $18.10 | · | 5,400 Direct | 0.00% | Disposed | -35.1% (price as of 2026-10-02) |
| Dec. 1, 2025 | ACI | M | 0 | $18.10 | · | 5,758 Direct | 0.00% | Disposed | -35.1% (price as of 2026-10-02) |
| Dec. 1, 2025 | ACI | M | 0 | $18.10 | · | 4,675 Direct | 0.00% | Disposed | -35.1% (price as of 2026-10-02) |
| Dec. 1, 2025 | ACI | M | 0 | $18.10 | · | 5,758 Direct | 0.00% | Disposed | -35.1% (price as of 2026-10-02) |
| Dec. 1, 2025 | ACI | M | 0 | $18.10 | · | 4,674 Direct | 0.00% | Disposed | -35.1% (price as of 2026-10-02) |
| Dec. 1, 2025 | ACI | M | 0 | $18.10 | · | 5,757 Direct | 0.00% | Disposed | -35.1% (price as of 2026-10-02) |
| Dec. 1, 2025 | ACI | M | 0 | $18.10 | · | 4,674 Direct | 0.00% | Disposed | -35.1% (price as of 2026-10-02) |
| Nov. 7, 2025 | ACI | A | 57 | · | · | 6,762 Direct | +0.85% | Acquired | (price as of 2026-10-02) |
| Nov. 7, 2025 | ACI | A | 91 | · | · | 10,870 Direct | +0.84% | Acquired | (price as of 2026-10-02) |
| Nov. 7, 2025 | ACI | A | 110 | · | · | 13,061 Direct | +0.85% | Acquired | (price as of 2026-10-02) |
| Nov. 7, 2025 | ACI | A | 148 | · | · | 17,668 Direct | +0.84% | Acquired | (price as of 2026-10-02) |
| Nov. 7, 2025 | ACI | A | 119 | · | · | 14,143 Direct | +0.85% | Acquired | (price as of 2026-10-02) |
| Nov. 7, 2025 | ACI | A | 647 | · | · | 77,139 Direct | +0.85% | Acquired | (price as of 2026-10-02) |
| Nov. 7, 2025 | ACI | A | 62 | · | · | 7,339 Direct | +0.85% | Acquired | (price as of 2026-10-02) |
| Nov. 7, 2025 | ACI | A | 47 | · | · | 5,550 Direct | +0.85% | Acquired | (price as of 2026-10-02) |
| Nov. 7, 2025 | ACI | A | 39 | · | · | 4,604 Direct | +0.85% | Acquired | (price as of 2026-10-02) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Aug. 7, 2026 | ACI | Dividend Equivalent Units | Performance-Based Restricted Stock Units | · | · | 85 | Acquired |
| Aug. 7, 2026 | ACI | Dividend Equivalent Units | Class A common stock,par value $0.01 | · | · | 69 | Acquired |
| Aug. 7, 2026 | ACI | Dividend Equivalent Units | Time-based Restricted Stock Units | · | · | 1,069 | Acquired |
| Aug. 7, 2026 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 78 | Acquired |
| Aug. 7, 2026 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 163 | Acquired |
| Aug. 7, 2026 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 131 | Acquired |
| Aug. 7, 2026 | ACI | Dividend Equivalent Units | Time-based Restricted StockUnits | · | · | 677 | Acquired |
| Aug. 7, 2026 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 121 | Acquired |
| May 8, 2026 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 63 | Acquired |
| May 8, 2026 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 51 | Acquired |
| May 8, 2026 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 793 | Acquired |
| May 8, 2026 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 58 | Acquired |
| May 8, 2026 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 121 | Acquired |
| May 8, 2026 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 97 | Acquired |
| May 8, 2026 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 502 | Acquired |
| May 8, 2026 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 89 | Acquired |
| April 21, 2026 | ACI | Performance-Based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 7,400 | Disposed |
| April 21, 2026 | ACI | Performance-Based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 5,375 | Disposed |
| April 21, 2026 | ACI | Performance-Based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 6,692 | Disposed |
| April 16, 2026 | ACI | Time-based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 47,343 | Acquired |
| April 16, 2026 | ACI | Performance-Based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 15,781 | Acquired |
| April 16, 2026 | ACI | Performance-Based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 15,781 | Acquired |
| April 16, 2026 | ACI | Performance-Based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 15,781 | Acquired |
| March 2, 2026 | ACI | Time-based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 6,818 | Disposed |
| March 2, 2026 | ACI | Time-based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 5,478 | Disposed |
| March 2, 2026 | ACI | Time-based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 5,704 | Disposed |
| March 2, 2026 | ACI | Time-based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 4,568 | Disposed |
| Feb. 6, 2026 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 56 | Acquired |
| Feb. 6, 2026 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 90 | Acquired |
| Feb. 6, 2026 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 104 | Acquired |
| Feb. 6, 2026 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 141 | Acquired |
| Feb. 6, 2026 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 113 | Acquired |
| Feb. 6, 2026 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 615 | Acquired |
| Feb. 6, 2026 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 61 | Acquired |
| Feb. 6, 2026 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 44 | Acquired |
| Feb. 6, 2026 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 37 | Acquired |
| Feb. 4, 2026 | ACI | Time-based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 4,182 | Disposed |
| Dec. 1, 2025 | ACI | Time-based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 172 | Disposed |
| Dec. 1, 2025 | ACI | Time-based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 172 | Disposed |
| Dec. 1, 2025 | ACI | Time-based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 172 | Disposed |
| Dec. 1, 2025 | ACI | Time-based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 232 | Disposed |
| Dec. 1, 2025 | ACI | Time-based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 232 | Disposed |
| Dec. 1, 2025 | ACI | Time-based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 232 | Disposed |
| Dec. 1, 2025 | ACI | Time-based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 3,022 | Disposed |
| Dec. 1, 2025 | ACI | Time-based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 185 | Disposed |
| Dec. 1, 2025 | ACI | Time-based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 185 | Disposed |
| Dec. 1, 2025 | ACI | Time-based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 185 | Disposed |
| Dec. 1, 2025 | ACI | Performance-Based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 219 | Disposed |
| Dec. 1, 2025 | ACI | Performance-Based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 0 | Disposed |
| Dec. 1, 2025 | ACI | Performance-Based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 182 | Disposed |
| Dec. 1, 2025 | ACI | Performance-Based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 0 | Disposed |
| Dec. 1, 2025 | ACI | Performance-Based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 0 | Disposed |
| Dec. 1, 2025 | ACI | Performance-Based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 0 | Disposed |
| Dec. 1, 2025 | ACI | Performance-Based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 0 | Disposed |
| Dec. 1, 2025 | ACI | Performance-Based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 0 | Disposed |
| Dec. 1, 2025 | ACI | Performance-Based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 0 | Disposed |
| Dec. 1, 2025 | ACI | Performance-Based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 0 | Disposed |
| Dec. 1, 2025 | ACI | Performance-Based Restricted Stock Units | Class A common stock par value $0.01 | · | · | 0 | Disposed |
| Nov. 7, 2025 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 57 | Acquired |
| Nov. 7, 2025 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 91 | Acquired |
| Nov. 7, 2025 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 110 | Acquired |
| Nov. 7, 2025 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 148 | Acquired |
| Nov. 7, 2025 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 119 | Acquired |
| Nov. 7, 2025 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 647 | Acquired |
| Nov. 7, 2025 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 62 | Acquired |
| Nov. 7, 2025 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 47 | Acquired |
| Nov. 7, 2025 | ACI | Dividend Equivalent Units | Class A common stock, par value $0.01 | · | · | 39 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.