Michael T Theilmann

CIK 1329101 · View on SEC EDGAR ↗

Insider

First SEC filing: June 26, 2020 · Latest: June 26, 2020

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Insider at

Insider transactions

0 buys (P) 1 sells (S) Net: $-1,935,000 + 87 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

87 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Oct. 16, 2025 ACI S 100,000 $19.35 $1,935,000 338,429 Direct -22.81% Disposed -38.2% (price as of 2026-08-20)
June 30, 2020 ACI P 2,500 $16.00 $40,000 40,441 Direct +6.59% Acquired -25.2% (price as of 2026-08-20)

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
Nov. 7, 2025 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (164) — — 164 Acquired
Nov. 7, 2025 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (329) — — 329 Acquired
Nov. 7, 2025 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (385) — — 385 Acquired
Nov. 7, 2025 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (180) — — 180 Acquired
Nov. 7, 2025 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (130) — — 130 Acquired
Nov. 7, 2025 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (134) — — 134 Acquired
Feb. 9, 2024 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (125) — — 125 Acquired
Feb. 9, 2024 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (193) — — 193 Acquired
Feb. 9, 2024 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (264) — — 264 Acquired
Feb. 9, 2024 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (315) — — 315 Acquired
Feb. 9, 2024 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (169) — — 169 Acquired
Feb. 9, 2024 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (133) — — 133 Acquired
Nov. 14, 2023 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (123) — — 123 Acquired
Nov. 14, 2023 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (190) — — 190 Acquired
Nov. 14, 2023 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (261) — — 261 Acquired
Nov. 14, 2023 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (310) — — 310 Acquired
Nov. 14, 2023 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (166) — — 166 Acquired
Nov. 14, 2023 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (132) — — 132 Acquired
Aug. 10, 2023 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (120) — — 120 Acquired
Aug. 10, 2023 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (186) — — 186 Acquired
Aug. 10, 2023 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (254) — — 254 Acquired
Aug. 10, 2023 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (303) — — 303 Acquired
Aug. 10, 2023 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (162) — — 162 Acquired
Aug. 10, 2023 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (128) — — 128 Acquired
May 10, 2023 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (128) — — 128 Acquired
May 10, 2023 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (197) — — 197 Acquired
May 10, 2023 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (270) — — 270 Acquired
May 10, 2023 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (320) — — 320 Acquired
May 10, 2023 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (172) — — 172 Acquired
May 10, 2023 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (136) — — 136 Acquired
April 24, 2023 ACI Performance-based restricted stock units Class A common stock, par value $0.01 (142,420) — — 142,420 Acquired
March 20, 2023 ACI Performance-Based Restricted Stock Units Class A common stock,par value $0.01 (54,688) — — 54,688 Acquired
March 20, 2023 ACI Time-Based Restricted Stock Units Class A common stock,par value $0.01 (54,688) — — 54,688 Acquired
Feb. 27, 2023 ACI Time-based Restricted Stock Units Class A common stock, par value $0.01 (14,688) — — 14,688 Disposed
Feb. 27, 2023 ACI Time-based Restricted Stock Units Class A common stock, par value $0.01 (23,240) — — 23,240 Disposed
Feb. 27, 2023 ACI Time-based Restricted StockUnits Class A common stock, par value $0.01 (23,737) — — 23,737 Disposed
Feb. 10, 2023 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (257) — — 257 Acquired
Feb. 10, 2023 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (246) — — 246 Acquired
Feb. 10, 2023 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (260) — — 260 Acquired
Jan. 20, 2023 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (11,174) — — 11,174 Acquired
Jan. 20, 2023 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (10,712) — — 10,712 Acquired
Jan. 20, 2023 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (11,298) — — 11,298 Acquired
Nov. 14, 2022 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (200) — — 200 Acquired
Nov. 14, 2022 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (200) — — 200 Acquired
Nov. 14, 2022 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (191) — — 191 Acquired
Nov. 14, 2022 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (202) — — 202 Acquired
Aug. 19, 2022 ACI Restricted Stock Units Class A common stock, par value $0.01 (31,444) — — 31,444 Acquired
Aug. 10, 2022 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (422) — — 422 Acquired
May 10, 2022 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (135) — — 135 Acquired
May 10, 2022 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (265) — — 265 Acquired
April 25, 2022 ACI Performance-based Restricted Stock Units Class A common stock, par value $0.01 (93,014) — — 93,014 Disposed
Feb. 28, 2022 ACI Time-based Restricted Stock Units Class A common stock, par value $0.01 (17,187) — — 17,187 Disposed
Feb. 28, 2022 ACI Time-based Restricted Stock Units Class A common stock, par value $0.01 (32,590) — — 32,590 Acquired
Feb. 28, 2022 ACI Performance-based Restricted Stock Units Class A common stock, par value $0.01 (32,590) — — 32,590 Acquired
Feb. 28, 2022 ACI Time-based Restricted StockUnits Class A common stock, par value $0.01 (23,736) — — 23,736 Disposed
Feb. 10, 2022 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (216) — — 216 Acquired
Nov. 12, 2021 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (175) — — 175 Acquired
Aug. 19, 2021 ACI Restricted Stock Units Class A common stock, par value $0.01 (31,444) — — 31,444 Acquired
Aug. 10, 2021 ACI Dividend Equivalent Units Class A common stock, par value $0.01 (176) — — 176 Acquired
May 12, 2021 ACI Performance Restricted Stock Units Class A common stock,par value $0.01 (50,993) — — 50,993 Acquired
May 12, 2021 ACI Restricted Stock Units Class A common stock,par value $0.01 (50,993) — — 50,993 Acquired
Feb. 27, 2021 ACI Restricted Stock Unit Class A common stock, par value $0.01 (23,736) — — 23,736 Disposed
Aug. 19, 2020 ACI Restricted Stock Unit Class A common stock, par value $0.01 (31,444) — — 31,444 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 2 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
June 26, 2020 ACI Restricted Stock Unit→ Class A common stock, par value $0.01 (94,332) 94,332 Direct
June 26, 2020 ACI Restricted Stock Unit→ Class A common stock, par value $0.01 (71,210) 71,210 Direct