SEC Filings for ALTA EQUIPMENT GROUP INC. (ALTG)

Last updated: 2026-03-25 21:10 UTC | Total filings: 432

Browse the latest SEC filings and forms submitted by ALTA EQUIPMENT GROUP INC. (ALTG). Access annual reports, quarterly statements, and other official disclosures.

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Form Filing Date Description Link
4/A March 25, 2026 4/A View Document
4/A March 25, 2026 4/A View Document
4/A March 25, 2026 4/A View Document
4 March 16, 2026 4 View Document
4 March 16, 2026 4 View Document
4 March 13, 2026 4 View Document
4 March 3, 2026 4 View Document
144 March 3, 2026 - View Document
144 March 3, 2026 - View Document
4 March 3, 2026 4 View Document
4 March 3, 2026 4 View Document
10-K Feb. 26, 2026 10-K View Document
8-K Feb. 26, 2026 8-K View Document
8-K Jan. 22, 2026 8-K View Document
SCHEDULE 13D/A Jan. 22, 2026 - View Document
8-K Jan. 7, 2026 8-K View Document
8-K Jan. 5, 2026 8-K View Document
4 Dec. 10, 2025 4 View Document
8-K Nov. 6, 2025 8-K View Document
10-Q Nov. 6, 2025 10-Q View Document
8-K Oct. 3, 2025 8-K View Document
10-Q Aug. 7, 2025 10-Q View Document
8-K Aug. 7, 2025 8-K View Document
4 July 16, 2025 4 View Document
8-K July 2, 2025 8-K View Document
S-8 June 17, 2025 S-8 View Document
4 June 3, 2025 4 View Document
8-K June 3, 2025 8-K View Document
4 June 3, 2025 4 View Document
4 June 3, 2025 4 View Document
4 June 3, 2025 4 View Document
4 June 2, 2025 4 View Document
8-K May 7, 2025 8-K View Document
10-Q May 7, 2025 10-Q View Document
8-K May 2, 2025 8-K View Document
DEFA14A April 15, 2025 DEFA14A View Document
ARS April 15, 2025 ARS View Document
DEF 14A April 15, 2025 DEF 14A View Document
8-K April 3, 2025 8-K View Document
3 April 2, 2025 OWNERSHIP DOCUMENT View Document
4 March 19, 2025 4 View Document
4 March 19, 2025 4 View Document
4 March 19, 2025 4 View Document
4 March 19, 2025 4 View Document
4 March 6, 2025 4 View Document
10-K March 5, 2025 10-K View Document
8-K March 5, 2025 8-K View Document
8-K Feb. 3, 2025 8-K View Document
4 Jan. 22, 2025 4 View Document
8-K Jan. 3, 2025 8-K View Document
4 Dec. 20, 2024 4 View Document
4 Dec. 18, 2024 4 View Document
UPLOAD Nov. 18, 2024 - View Document
SC 13G/A Nov. 13, 2024 SC 13G/A View Document
8-K Nov. 12, 2024 8-K View Document
10-Q Nov. 12, 2024 10-Q View Document
CORRESP Nov. 12, 2024 - View Document
SC 13G/A Nov. 8, 2024 - View Document
UPLOAD Nov. 7, 2024 - View Document
8-K Nov. 4, 2024 8-K View Document
4 Nov. 1, 2024 OWNERSHIP DOCUMENT View Document
SC 13G/A Oct. 24, 2024 - View Document
8-K Oct. 3, 2024 8-K View Document
CORRESP Oct. 1, 2024 - View Document
SC 13D/A Sept. 24, 2024 SC 13D/A View Document
4 Sept. 24, 2024 4 View Document
UPLOAD Sept. 11, 2024 - View Document
3 Sept. 9, 2024 3 View Document
CORRESP Sept. 4, 2024 - View Document
3 Sept. 4, 2024 - View Document
SC 13G Sept. 4, 2024 SC 13G View Document
8-K Sept. 4, 2024 8-K View Document
UPLOAD Aug. 20, 2024 - View Document
4 Aug. 19, 2024 4 View Document
4 Aug. 13, 2024 4 View Document
CORRESP Aug. 9, 2024 - View Document
10-Q Aug. 7, 2024 10-Q View Document
8-K Aug. 7, 2024 8-K View Document
4 Aug. 5, 2024 4 View Document
8-K Aug. 2, 2024 8-K View Document
4 July 31, 2024 4 View Document
SC 13D/A July 26, 2024 SC 13D/A View Document
4/A July 26, 2024 4/A View Document
4 July 26, 2024 4 View Document
4 July 23, 2024 4 View Document
4 July 12, 2024 4 View Document
UPLOAD July 11, 2024 - View Document
4 July 3, 2024 4 View Document
SC 13D/A July 3, 2024 SC 13D/A View Document
8-K July 3, 2024 8-K View Document
4 July 1, 2024 4 View Document
4 June 17, 2024 4 View Document
8-K June 10, 2024 8-K View Document
4 June 10, 2024 4 View Document
4 June 10, 2024 4 View Document
4 June 10, 2024 4 View Document
4 June 10, 2024 4 View Document
4 June 10, 2024 4 View Document
8-K June 6, 2024 8-K View Document
4 June 5, 2024 FORM 4 SUBMISSION View Document
SC 13G June 3, 2024 SC 13G View Document
SC 13D/A June 3, 2024 SC 13D/A View Document
4 May 31, 2024 FORM 4 SUBMISSION View Document
4 May 28, 2024 4 View Document
3 May 24, 2024 FORM 3 SUBMISSION View Document
8-K May 22, 2024 8-K View Document
SC 13D/A May 14, 2024 SC 13D/A View Document
10-Q May 8, 2024 10-Q View Document
8-K May 8, 2024 8-K View Document
8-K May 2, 2024 8-K View Document
DEFA14A April 25, 2024 DEFA14A View Document
DEF 14A April 25, 2024 DEF 14A View Document
ARS April 25, 2024 ARS View Document
3/A April 12, 2024 3/A View Document
8-K April 12, 2024 8-K View Document
SC 13D/A April 11, 2024 SC 13D/A View Document
8-K April 3, 2024 8-K View Document
4 March 21, 2024 4 View Document
4 March 21, 2024 4 View Document
4 March 21, 2024 4 View Document
4 March 21, 2024 4 View Document
8-K March 14, 2024 8-K View Document
10-K March 14, 2024 10-K View Document
4 March 4, 2024 4 View Document
4 March 4, 2024 4 View Document
4 March 4, 2024 4 View Document
3 March 1, 2024 OWNERSHIP DOCUMENT View Document
4 March 1, 2024 OWNERSHIP DOCUMENT View Document
3 March 1, 2024 OWNERSHIP DOCUMENT View Document
3 Feb. 26, 2024 3 View Document
8-K Feb. 26, 2024 8-K View Document
SC 13G/A Feb. 13, 2024 AMENDMENT NO. 2 TO THE SCHEDULE 13G View Document
SC 13G/A Feb. 13, 2024 AMENDMENT NO. 1 TO THE SCHEDULE 13G View Document
SC 13D/A Feb. 9, 2024 SC 13D/A View Document
8-K Feb. 2, 2024 8-K View Document
3 Feb. 1, 2024 3 View Document
SC 13G Jan. 25, 2024 - View Document
SC 13D/A Jan. 23, 2024 SC 13D/A View Document
8-K Jan. 22, 2024 8-K View Document
8-K Jan. 3, 2024 8-K View Document
SC 13D/A Dec. 22, 2023 SC 13D/A View Document
4 Nov. 28, 2023 4 View Document
4 Nov. 17, 2023 FORM 4 SUBMISSION View Document
10-Q Nov. 8, 2023 10-Q View Document
8-K Nov. 8, 2023 8-K View Document
8-K Nov. 3, 2023 8-K View Document
8-K Nov. 2, 2023 8-K View Document
8-K Oct. 16, 2023 8-K View Document
SC 13D/A Oct. 5, 2023 SC 13D/A View Document
8-K Oct. 3, 2023 8-K View Document
8-K Sept. 28, 2023 8-K View Document
4 Aug. 22, 2023 4 View Document
4 Aug. 16, 2023 4 View Document
4 Aug. 16, 2023 4 View Document
4 Aug. 15, 2023 4 View Document
10-Q Aug. 9, 2023 10-Q View Document
8-K Aug. 9, 2023 8-K View Document
8-K Aug. 2, 2023 8-K View Document
8-K July 25, 2023 8-K View Document
424B5 July 24, 2023 424B5 View Document
424B5 July 20, 2023 424B5 View Document
8-K July 20, 2023 8-K View Document
8-K July 3, 2023 8-K View Document
8-K June 30, 2023 8-K View Document
4 June 13, 2023 FORM 4 SUBMISSION View Document
4 June 13, 2023 FORM 4 SUBMISSION View Document
4 June 13, 2023 FORM 4 SUBMISSION View Document
4 June 13, 2023 FORM 4 SUBMISSION View Document
8-K June 12, 2023 8-K View Document
S-8 June 8, 2023 S-8 View Document
4 June 5, 2023 4 View Document
4 May 23, 2023 4 View Document
SC 13D May 19, 2023 SC 13D View Document
8-K May 10, 2023 8-K View Document
10-Q May 10, 2023 10-Q View Document
EFFECT May 3, 2023 - View Document
8-K May 2, 2023 8-K View Document
CORRESP May 1, 2023 - View Document
DEF 14A April 27, 2023 DEF 14A View Document
DEFA14A April 27, 2023 DEFA14A View Document
ARS April 27, 2023 ARS View Document
4 April 4, 2023 FORM 4 SUBMISSION View Document
4 April 4, 2023 FORM 4 SUBMISSION View Document
8-K April 4, 2023 8-K View Document
4 April 4, 2023 FORM 4 SUBMISSION View Document
UPLOAD March 30, 2023 - View Document
S-3 March 23, 2023 S-3 View Document
8-K March 23, 2023 8-K View Document
4 March 20, 2023 FORM 4 SUBMISSION View Document
4 March 20, 2023 FORM 4 SUBMISSION View Document
4 March 20, 2023 FORM 4 SUBMISSION View Document
4 March 14, 2023 FORM 4 SUBMISSION View Document
8-K March 9, 2023 8-K View Document
10-K March 9, 2023 10-K View Document
8-K March 7, 2023 8-K View Document
SC 13G March 3, 2023 THE SCHEDULE 13G View Document
SC 13G/A Feb. 14, 2023 SC 13G/A View Document
SC 13G/A Feb. 13, 2023 SC 13G/A View Document
8-K Feb. 1, 2023 8-K View Document
8-K Jan. 4, 2023 8-K View Document
10-Q Nov. 9, 2022 10-Q View Document
8-K Nov. 9, 2022 8-K View Document
8-K Nov. 3, 2022 8-K View Document
8-K Nov. 1, 2022 8-K View Document
8-K Oct. 18, 2022 8-K View Document
8-K Oct. 4, 2022 8-K View Document
4 Sept. 22, 2022 FORM 4 SUBMISSION View Document
UPLOAD Aug. 30, 2022 - View Document
CORRESP Aug. 19, 2022 - View Document
UPLOAD Aug. 10, 2022 - View Document
8-K Aug. 9, 2022 8-K View Document
10-Q Aug. 9, 2022 10-Q View Document
8-K Aug. 2, 2022 8-K View Document
8-K July 12, 2022 8-K View Document
8-K July 6, 2022 8-K View Document
8-K July 1, 2022 8-K View Document
8-K June 23, 2022 8-K View Document
8-K June 14, 2022 8-K View Document
4 June 13, 2022 FORM 4 SUBMISSION View Document
4 June 13, 2022 FORM 4 SUBMISSION View Document
4 June 13, 2022 FORM 4 SUBMISSION View Document
4 June 13, 2022 FORM 4 SUBMISSION View Document
4 May 27, 2022 FORM 4 SUBMISSION View Document
4 May 20, 2022 FORM 4 SUBMISSION View Document
4 May 16, 2022 FORM 4 SUBMISSION View Document
4 May 16, 2022 FORM 4 SUBMISSION View Document
8-K May 10, 2022 8-K View Document
10-Q May 10, 2022 10-Q View Document
DEFA14A April 27, 2022 DEFA14A View Document
4 April 27, 2022 FORM 4 SUBMISSION View Document
DEF 14A April 27, 2022 DEF 14A View Document
4 April 27, 2022 FORM 4 SUBMISSION View Document
4 April 27, 2022 FORM 4 SUBMISSION View Document
4 April 27, 2022 FORM 4 SUBMISSION View Document
4 April 27, 2022 FORM 4 SUBMISSION View Document
4 April 27, 2022 FORM 4 SUBMISSION View Document
3 April 22, 2022 FORM 3 SUBMISSION View Document
8-K April 18, 2022 8-K View Document
8-K April 5, 2022 8-K View Document
10-K March 31, 2022 10-K View Document
8-K March 31, 2022 8-K View Document
NT 10-K March 10, 2022 NT 10-K - FILING EXTENSION View Document
4 Feb. 17, 2022 FORM 4 SUBMISSION View Document
4 Feb. 17, 2022 FORM 4 SUBMISSION View Document
SC 13G/A Feb. 14, 2022 - View Document
SC 13G/A Feb. 14, 2022 SCHEDULE 13G/A View Document
SC 13G Feb. 4, 2022 SC 13G View Document
8-K Jan. 6, 2022 8-K View Document
8-K Jan. 5, 2022 8-K View Document
8-K Jan. 4, 2022 8-K View Document
8-K Dec. 16, 2021 8-K View Document
8-K Dec. 15, 2021 8-K View Document
8-K Dec. 2, 2021 8-K View Document
8-K Nov. 18, 2021 8-K View Document
4 Nov. 16, 2021 FORM 4 SUBMISSION View Document
8-K Nov. 12, 2021 8-K View Document
10-Q Nov. 12, 2021 10-Q View Document
4 Nov. 4, 2021 FORM 4 SUBMISSION View Document
8-K Oct. 6, 2021 8-K GIBSON ACQUISITION View Document
8-K Oct. 4, 2021 8-K View Document
4 Sept. 16, 2021 FORM 4 SUBMISSION View Document
8-K Sept. 2, 2021 8-K View Document
8-K Aug. 12, 2021 8-K View Document
10-Q Aug. 12, 2021 ALTG_10-Q_6.30.21 View Document
4 Aug. 3, 2021 FORM 4 SUBMISSION View Document
EFFECT July 16, 2021 - View Document
424B3 July 16, 2021 HOWELL 424B3 View Document
EFFECT July 12, 2021 - View Document
424B3 July 12, 2021 424B3 View Document
POS AM July 9, 2021 POS AM View Document
8-K July 2, 2021 8-K DIVIDEND PAYMENT JULY_2021 View Document
POS AM July 1, 2021 POS AM View Document
4 June 25, 2021 FORM 4 SUBMISSION View Document
4 June 11, 2021 FORM 4 SUBMISSION View Document
8-K June 11, 2021 8-K View Document
8-K May 28, 2021 8-K - CFO RSU SELL/BUY View Document
SC 13D/A May 19, 2021 SC 13D/A View Document
4 May 18, 2021 FORM 4 SUBMISSION View Document
10-Q May 13, 2021 ALTG-10Q-03.31.2021 View Document
8-K May 13, 2021 8-K-ER-2021-Q1 View Document
DEFA14A April 27, 2021 DEFA14A View Document
DEF 14A April 27, 2021 DEF 14A View Document
4 April 20, 2021 FORM 4 SUBMISSION View Document
4 April 20, 2021 FORM 4 SUBMISSION View Document
8-K April 12, 2021 8-K View Document
25-NSE April 12, 2021 - View Document
8-K April 5, 2021 8-K OFFERING_MEMO_FINAL View Document
8-K March 25, 2021 8-K OFFERING MEMORANDUM View Document
DEF 14C March 22, 2021 DEF 14C - WARRANTS View Document
8-K March 22, 2021 8K_WARRANTS_DEF 14C View Document
10-K March 18, 2021 10-K View Document
8-K March 18, 2021 8-K 2020 Y-END ER View Document
SC 13D/A March 11, 2021 AMENDMENT NO. 5 TO SCHEDULE 13D View Document
8-K March 3, 2021 8-K WARRANT EXCHANGE View Document
PRE 14C March 3, 2021 PRE 14C View Document
SC 13G/A Feb. 16, 2021 AMENDMENT NO. 1 View Document
SC 13G Feb. 16, 2021 SC 13G View Document
SC 13G/A Feb. 16, 2021 - View Document
SC 13G/A Feb. 16, 2021 SC 13G/A View Document
SC 13G/A Feb. 8, 2021 FORM SC 13G/A View Document
SC 13G Jan. 21, 2021 SC 13G View Document
8-K Jan. 5, 2021 8-K VANTAGE ANNOUNCEMENT View Document
CERT Dec. 30, 2020 NYSE CERTIFICATION View Document
8-K Dec. 22, 2020 8-K View Document
8-K Dec. 22, 2020 8-K VANTAGE ANNOUNCEMENT View Document
424B1 Dec. 21, 2020 424B1 View Document
FWP Dec. 18, 2020 FWP View Document
POS462B Dec. 18, 2020 POS462B View Document
8-A12B Dec. 18, 2020 8-A12B View Document
S-1MEF Dec. 18, 2020 S-1MEF View Document
EFFECT Dec. 17, 2020 - View Document
CORRESP Dec. 16, 2020 - View Document
S-1/A Dec. 16, 2020 S-1/A View Document
S-1/A Dec. 15, 2020 S-1/A View Document
UPLOAD Dec. 8, 2020 - View Document
S-1 Dec. 3, 2020 S-1 View Document
4 Nov. 18, 2020 FORM 4 SUBMISSION View Document
4 Nov. 18, 2020 FORM 4 SUBMISSION View Document
424B3 Nov. 12, 2020 424B3(2) View Document
10-Q Nov. 12, 2020 10-Q View Document
8-K Nov. 12, 2020 8-K View Document
424B3 Nov. 12, 2020 424B3 View Document
424B3 Nov. 3, 2020 424B3 View Document
EFFECT Nov. 3, 2020 - View Document
8-K Nov. 2, 2020 8-K View Document
CORRESP Oct. 30, 2020 - View Document
UPLOAD Oct. 29, 2020 - View Document
S-1 Oct. 26, 2020 S-1 View Document
8-K Oct. 15, 2020 8-K View Document
8-K Sept. 10, 2020 8-K View Document
8-K Aug. 21, 2020 8-K View Document
10-Q Aug. 13, 2020 10-Q View Document
424B3 Aug. 13, 2020 424B3 View Document
8-K Aug. 13, 2020 8-K View Document
8-K July 31, 2020 8-K View Document
S-8 July 20, 2020 S-8 View Document
8-K July 1, 2020 8-K View Document
SC 13G June 26, 2020 - View Document
8-K June 18, 2020 8-K View Document
8-K June 15, 2020 8-K View Document
8-K June 2, 2020 8-K View Document
10-Q May 14, 2020 10-Q View Document
424B3 May 14, 2020 424B3 View Document
8-K May 14, 2020 8-K View Document
EFFECT April 3, 2020 - View Document
424B3 April 3, 2020 - View Document
UPLOAD April 1, 2020 - View Document
CORRESP April 1, 2020 - View Document
8-K/A March 31, 2020 FORM 8-K/A View Document
S-1 March 25, 2020 REGISTRATION STATEMENT View Document
8-K/A March 25, 2020 AMENDMENT TO CURRENT REPORT View Document
8-K March 25, 2020 CURRENT REPORT View Document
10-K March 25, 2020 ANNUAL REPORT View Document
SC 13D/A March 17, 2020 AMENDMENT NO. 4 TO SCHEDULE 13D View Document
8-K March 4, 2020 8-K View Document
SC 13D/A March 3, 2020 AMENDMENT NO. 3 TO SCHEDULE 13D/A View Document
SC 13D/A Feb. 24, 2020 FORM SC 13D/A View Document
SC 13D Feb. 24, 2020 SCHEDULE 13D View Document
SC 13D/A Feb. 24, 2020 AMENDMENT NO. 1 TO SCHEDULE 13D View Document
3 Feb. 19, 2020 - View Document
3 Feb. 19, 2020 - View Document
3 Feb. 19, 2020 - View Document
4 Feb. 19, 2020 - View Document
4 Feb. 19, 2020 - View Document
4 Feb. 19, 2020 - View Document
4 Feb. 19, 2020 - View Document
3 Feb. 19, 2020 - View Document
3 Feb. 19, 2020 - View Document
4 Feb. 19, 2020 - View Document
25-NSE Feb. 18, 2020 - View Document
8-K12B Feb. 14, 2020 FOR REGISTRATION OF CERTAIN CLASSES View Document
SC 13G Feb. 14, 2020 SC 13G View Document
8-A12B/A Feb. 14, 2020 AMENDMENT NO. 1 TO FORM 8-A View Document
SC 13G/A Feb. 14, 2020 AQR CAPITAL MANAGEMENT LLC View Document
SC 13G/A Feb. 14, 2020 SC 13G View Document
SC 13G/A Feb. 13, 2020 B. RILEY PRINCIPAL MERGER CORP. View Document
4 Feb. 12, 2020 - View Document
8-K Feb. 11, 2020 CURRENT REPORT View Document
4 Feb. 10, 2020 - View Document
SC 13G Feb. 10, 2020 FORM SC 13G View Document
8-K Feb. 7, 2020 CURRENT REPORT View Document
DEFA14A Feb. 7, 2020 DEFINITIVE ADDITIONAL MATERIALS View Document
4 Feb. 5, 2020 - View Document
DEFA14A Feb. 4, 2020 DEFINITIVE ADDITIONAL MATERIALS View Document
8-K Feb. 4, 2020 CURRENT REPORT View Document
4 Jan. 28, 2020 OWNERSHIP DOCUMENT View Document
DEFM14A Jan. 23, 2020 PROXY STATEMENT View Document
8-K Jan. 13, 2020 CURRENT REPORT View Document
DEFA14A Jan. 13, 2020 DEFINITIVE ADDITIONAL MATERIALS View Document
DEFA14A Dec. 13, 2019 CURRENT REPORT View Document
8-K Dec. 13, 2019 CURRENT REPORT View Document
8-K Dec. 13, 2019 CURRENT REPORT View Document
DEFA14A Dec. 13, 2019 FORM DEFA14A View Document
PREM14A Dec. 13, 2019 PRELIMINARY PROXY STATEMENT View Document
10-Q Nov. 12, 2019 QUARTERLY REPORT View Document
8-K Aug. 23, 2019 CURRENT REPORT View Document
10-Q Aug. 13, 2019 QUARTERLY REPORT View Document
10-Q May 21, 2019 FORM 10-Q View Document
8-K April 22, 2019 FORM 8-K View Document
SC 13G April 18, 2019 B. RILEY PRINCIPAL MERGER CORP. View Document
8-K April 17, 2019 FORM 8-K View Document
SC 13G April 16, 2019 AQR CAPITAL MANAGEMENT LLC View Document
SC 13D April 15, 2019 SC 13D View Document
4 April 12, 2019 FORM 4 View Document
4 April 11, 2019 FORM 4 View Document
8-K April 11, 2019 FORM 8-K View Document
3 April 9, 2019 FORM 3 View Document
3 April 9, 2019 FORM 3 View Document
3 April 9, 2019 FORM 3 View Document
424B4 April 9, 2019 424B4 View Document
3 April 8, 2019 FORM 3 View Document
3 April 8, 2019 FORM 3 View Document
3 April 8, 2019 FORM 3 View Document
3 April 8, 2019 FORM 3 View Document
3 April 8, 2019 FORM 3 View Document
3 April 8, 2019 FORM 3 View Document
EFFECT April 8, 2019 - View Document
3 April 8, 2019 FORM 3 View Document
CERT April 5, 2019 NYSE CERTIFICATION View Document
8-A12B April 5, 2019 8-A12B View Document
S-1/A April 4, 2019 FORM S1A View Document
CORRESP April 4, 2019 - View Document
CORRESP April 4, 2019 - View Document
S-1/A March 26, 2019 S-1/A View Document
UPLOAD March 14, 2019 - View Document
CORRESP March 14, 2019 - View Document
S-1 March 14, 2019 FORM S1 View Document
DRS/A March 8, 2019 - View Document
DRS/A March 4, 2019 - View Document
DRS/A Feb. 7, 2019 - View Document
UPLOAD Jan. 30, 2019 - View Document
DRS Dec. 10, 2018 - View Document