SEC Filings for Atai Beckley N.V. (ATAI)

Last updated: 2026-03-20 21:07 UTC | Total filings: 328

Browse the latest SEC filings and forms submitted by Atai Beckley N.V. (ATAI). Access annual reports, quarterly statements, and other official disclosures.

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Form Filing Date Description Link
144 March 20, 2026 - View Document
144 Feb. 26, 2026 - View Document
S-8 POS Dec. 31, 2025 S-8 POS View Document
15-12G Dec. 31, 2025 15-12G View Document
POSASR Dec. 31, 2025 POSASR View Document
424B7 Dec. 5, 2025 424B7 View Document
8-K Dec. 5, 2025 8-K View Document
4 Nov. 26, 2025 FORM 4 View Document
10-Q Nov. 12, 2025 10-Q View Document
8-K Nov. 12, 2025 8-K View Document
3 Nov. 6, 2025 FORM 3 View Document
4 Nov. 6, 2025 FORM 4 View Document
4 Nov. 6, 2025 FORM 4 View Document
3 Nov. 6, 2025 FORM 3 View Document
4 Nov. 6, 2025 FORM 4 View Document
8-K Nov. 5, 2025 8-K View Document
8-K Nov. 5, 2025 8-K View Document
424B7 Nov. 5, 2025 427B7 View Document
8-K Nov. 4, 2025 8-K View Document
SCHEDULE 13D/A Oct. 29, 2025 - View Document
8-K Oct. 27, 2025 FORM 8-K View Document
425 Oct. 27, 2025 425 View Document
8-K Oct. 21, 2025 8-K View Document
8-K Oct. 20, 2025 8-K View Document
SCHEDULE 13D/A Oct. 20, 2025 - View Document
424B5 Oct. 17, 2025 424B5 View Document
8-K Oct. 16, 2025 FORM 8-K View Document
DEFA14A Oct. 16, 2025 DEFA14A View Document
424B5 Oct. 16, 2025 425B5 View Document
DEFA14A Oct. 10, 2025 DEFA14A View Document
8-K Oct. 10, 2025 8-K View Document
3 Oct. 3, 2025 FORM 3 View Document
4 Oct. 3, 2025 FORM 4 View Document
4 Oct. 2, 2025 4 View Document
8-K Sept. 29, 2025 FORM 8-K View Document
S-3ASR Sept. 29, 2025 S-3ASR View Document
DEFA14A Sept. 29, 2025 DEFA14A View Document
DEFM14A Sept. 24, 2025 DEFM14A View Document
DEFA14A Sept. 23, 2025 DEFA14A View Document
8-K Sept. 23, 2025 8-K View Document
SCHEDULE 13D/A Aug. 18, 2025 - View Document
4 Aug. 18, 2025 4 View Document
4 Aug. 15, 2025 FORM 4 View Document
8-K Aug. 14, 2025 8-K View Document
10-Q Aug. 14, 2025 10-Q View Document
DEFA14A Aug. 14, 2025 DEFA14A View Document
144 July 2, 2025 - View Document
DEFA14A July 2, 2025 DEFA14A View Document
DEFA14A July 2, 2025 DEFA14A View Document
144 July 1, 2025 - View Document
8-K July 1, 2025 8-K View Document
DEFA14A July 1, 2025 DEFA 14A View Document
4 June 27, 2025 FORM 4 View Document
4 June 27, 2025 FORM 4 View Document
4 June 27, 2025 FORM 4 View Document
4 June 27, 2025 FORM 4 View Document
4 June 27, 2025 FORM 4 View Document
4 June 27, 2025 FORM 4 View Document
4 June 27, 2025 FORM 4 View Document
DEFA14A June 18, 2025 DEFA14A View Document
144 June 4, 2025 - View Document
SCHEDULE 13D/A June 4, 2025 - View Document
4 June 4, 2025 FORM 4 View Document
DEFA14A June 3, 2025 DEFA14A View Document
8-K June 2, 2025 8-K View Document
DEFA14A June 2, 2025 DEFA14A View Document
DEFA14A June 2, 2025 DEFA14A View Document
DEFA14A June 2, 2025 DEFA14A View Document
SCHEDULE 13G/A May 27, 2025 - View Document
3 May 23, 2025 FORM 3 View Document
8-K May 21, 2025 8-K View Document
10-Q May 14, 2025 10-Q View Document
8-K May 14, 2025 8-K View Document
8-K May 8, 2025 8-K View Document
8-K April 30, 2025 8-K View Document
DEF 14A April 21, 2025 DEF 14A View Document
PRE 14A April 11, 2025 PRE 14A View Document
4 March 24, 2025 FORM 4 View Document
4 March 24, 2025 FORM 4 View Document
144 March 24, 2025 - View Document
4 March 24, 2025 4 View Document
4 March 24, 2025 FORM 4 View Document
4 March 24, 2025 FORM 4 View Document
4 March 24, 2025 FORM 4 View Document
144 March 21, 2025 - View Document
144 March 21, 2025 - View Document
144 March 21, 2025 - View Document
144 March 21, 2025 - View Document
144 March 21, 2025 - View Document
144 March 21, 2025 - View Document
144 March 20, 2025 - View Document
8-K March 20, 2025 8-K View Document
4 March 19, 2025 FORM 4 View Document
4 March 19, 2025 FORM 4 View Document
4 March 19, 2025 FORM 4 View Document
4 March 19, 2025 FORM 4 View Document
4 March 19, 2025 FORM 4 View Document
8-K March 17, 2025 8-K View Document
10-K March 17, 2025 10-K View Document
4 March 6, 2025 FORM 4 View Document
4 March 6, 2025 FORM 4 View Document
4 March 5, 2025 FORM 4 View Document
SCHEDULE 13D/A March 5, 2025 - View Document
SCHEDULE 13D Feb. 24, 2025 - View Document
4 Feb. 19, 2025 4 View Document
8-K Feb. 13, 2025 FORM 8-K View Document
424B5 Feb. 13, 2025 424B5 View Document
424B5 Feb. 12, 2025 424B5 View Document
8-K Jan. 24, 2025 8-K View Document
8-K Jan. 10, 2025 8-K View Document
4 Jan. 10, 2025 FORM 4 View Document
3 Jan. 10, 2025 FORM 3 View Document
3 Jan. 10, 2025 FORM 3 View Document
4 Jan. 3, 2025 FORM 4 View Document
3 Dec. 13, 2024 FORM 3 View Document
10-Q/A Nov. 14, 2024 10-Q/A View Document
10-Q Nov. 13, 2024 10-Q View Document
8-K Nov. 13, 2024 8-K View Document
8-K Oct. 4, 2024 8-K View Document
4 Oct. 4, 2024 4 View Document
4 Oct. 4, 2024 4 View Document
4 Oct. 4, 2024 4 View Document
4 Oct. 4, 2024 4 View Document
4 Sept. 27, 2024 FORM 4 View Document
SC 13D/A Sept. 27, 2024 SC 13D/A View Document
8-K Aug. 14, 2024 8-K View Document
8-K Aug. 13, 2024 8-K View Document
10-Q Aug. 13, 2024 10-Q View Document
4 June 14, 2024 FORM 4 View Document
4 June 14, 2024 FORM 4 View Document
4 June 14, 2024 FORM 4 View Document
4 June 14, 2024 FORM 4 View Document
4 June 14, 2024 FORM 4 View Document
4 June 14, 2024 FORM 4 View Document
4 June 14, 2024 FORM 4 View Document
8-K June 5, 2024 8-K View Document
3 June 4, 2024 FORM 3 View Document
3 June 4, 2024 FORM 3 View Document
8-K May 23, 2024 8-K View Document
4 May 20, 2024 FORM 4 View Document
10-Q May 15, 2024 10-Q View Document
8-K May 15, 2024 8-K View Document
144 May 3, 2024 - View Document
SC 13D/A May 3, 2024 SC 13D/A View Document
4 May 3, 2024 4 View Document
DEF 14A April 22, 2024 DEF 14A View Document
4 April 17, 2024 4 View Document
PRE 14A April 12, 2024 PRE 14A View Document
144 April 8, 2024 - View Document
144 April 5, 2024 - View Document
4 April 4, 2024 FORM 4 View Document
4 April 4, 2024 FORM 4 View Document
144 April 4, 2024 - View Document
144 April 4, 2024 - View Document
4 April 4, 2024 FORM 4 View Document
144 April 3, 2024 - View Document
10-K March 28, 2024 10-K View Document
8-K March 28, 2024 8-K View Document
4 March 15, 2024 FORM 4 View Document
4 March 15, 2024 FORM 4 View Document
4 March 15, 2024 FORM 4 View Document
4 March 15, 2024 FORM 4 View Document
4 March 12, 2024 4 View Document
SC 13D/A March 12, 2024 SC 13D/A View Document
SC 13G/A Feb. 13, 2024 SC 13G/A View Document
8-K Feb. 6, 2024 8-K View Document
8-K Jan. 23, 2024 8-K View Document
4 Jan. 9, 2024 4 View Document
8-K Jan. 9, 2024 8-K View Document
8-K Jan. 4, 2024 8-K View Document
8-K Jan. 4, 2024 8-K View Document
4 Nov. 20, 2023 - View Document
8-K Nov. 14, 2023 8-K View Document
10-Q Nov. 14, 2023 10-Q View Document
8-K Oct. 13, 2023 8-K View Document
8-K Sept. 29, 2023 8-K View Document
4 Sept. 14, 2023 4 View Document
SC 13D/A Sept. 7, 2023 SC 13D/A View Document
4 Sept. 5, 2023 4 View Document
8-K Aug. 31, 2023 8-K View Document
8-K Aug. 10, 2023 8-K View Document
10-Q Aug. 10, 2023 10-Q View Document
8-K May 31, 2023 8-K View Document
4 May 25, 2023 4 View Document
4 May 25, 2023 4 View Document
4 May 25, 2023 4 View Document
4 May 25, 2023 4 View Document
4 May 25, 2023 4 View Document
4 May 25, 2023 4 View Document
3 May 19, 2023 FORM 3 SUBMISSION View Document
8-K May 17, 2023 8-K View Document
10-Q May 11, 2023 10-Q View Document
8-K May 11, 2023 8-K View Document
DEF 14A April 28, 2023 DEF 14A View Document
PRE 14A April 14, 2023 PRE 14A View Document
4 March 30, 2023 FORM 4 SUBMISSION View Document
4 March 29, 2023 FORM 4 SUBMISSION View Document
8-K March 24, 2023 8-K View Document
10-K March 24, 2023 10-K View Document
4 March 16, 2023 FORM 4 SUBMISSION View Document
4 March 16, 2023 FORM 4 SUBMISSION View Document
4 March 16, 2023 FORM 4 SUBMISSION View Document
4 March 16, 2023 FORM 4 SUBMISSION View Document
4 March 16, 2023 FORM 4 SUBMISSION View Document
SC 13G/A Feb. 10, 2023 SC 13G/A View Document
3 Dec. 2, 2022 FORM 3 SUBMISSION View Document
4 Dec. 2, 2022 FORM 4 SUBMISSION View Document
8-K Nov. 10, 2022 8-K View Document
10-Q Nov. 10, 2022 10-Q View Document
424B5 Nov. 10, 2022 424B5 View Document
8-K Nov. 10, 2022 8-K View Document
8-K Nov. 8, 2022 8-K View Document
8-K Oct. 14, 2022 8-K View Document
DEF 14A Sept. 19, 2022 DEF14A View Document
PRE 14A Sept. 9, 2022 PRE 14A View Document
3 Aug. 17, 2022 FORM 3 SUBMISSION View Document
10-Q Aug. 15, 2022 10-Q View Document
8-K Aug. 15, 2022 8-K View Document
8-K Aug. 15, 2022 8-K View Document
8-K Aug. 1, 2022 8-K View Document
EFFECT July 11, 2022 - View Document
CORRESP July 7, 2022 - View Document
UPLOAD July 6, 2022 - View Document
S-3 July 1, 2022 S-3 View Document
8-K June 17, 2022 8-K View Document
8-K May 27, 2022 8-K View Document
4 May 27, 2022 FORM 4 SUBMISSION View Document
4 May 27, 2022 FORM 4 SUBMISSION View Document
4 May 27, 2022 FORM 4 SUBMISSION View Document
4 May 27, 2022 FORM 4 SUBMISSION View Document
4 May 27, 2022 FORM 4 SUBMISSION View Document
4 May 27, 2022 FORM 4 SUBMISSION View Document
10-Q May 16, 2022 10-Q View Document
8-K May 16, 2022 8-K View Document
4 May 3, 2022 FORM 4 SUBMISSION View Document
4 May 2, 2022 FORM 4 SUBMISSION View Document
DEF 14A April 29, 2022 - View Document
4 April 28, 2022 FORM 4 SUBMISSION View Document
4 April 26, 2022 FORM 4 SUBMISSION View Document
4 April 20, 2022 FORM 4 SUBMISSION View Document
4 April 18, 2022 FORM 4 SUBMISSION View Document
PRE 14A April 18, 2022 PRE 14A View Document
4 April 14, 2022 FORM 4 SUBMISSION View Document
4 April 12, 2022 FORM 4 SUBMISSION View Document
4 April 7, 2022 FORM 4 SUBMISSION View Document
10-K March 30, 2022 10-K View Document
8-K March 30, 2022 8-K View Document
4 March 4, 2022 FORM 4 SUBMISSION View Document
4/A March 4, 2022 FORM 4/A SUBMISSION View Document
4 March 4, 2022 FORM 4 SUBMISSION View Document
4 March 4, 2022 FORM 4 SUBMISSION View Document
4 March 4, 2022 FORM 4 SUBMISSION View Document
SC 13G March 1, 2022 - View Document
3 Feb. 28, 2022 FORM 3 SUBMISSION View Document
SC 13G Feb. 10, 2022 SC 13G View Document
4 Jan. 19, 2022 FORM 4 SUBMISSION View Document
4 Dec. 28, 2021 FORM 4 SUBMISSION View Document
8-K Dec. 15, 2021 8-K View Document
SC 13D/A Dec. 1, 2021 SC 13D/A View Document
SC 13D/A Nov. 29, 2021 SC 13D/A View Document
8-K Nov. 15, 2021 8-K View Document
10-Q Nov. 15, 2021 10-Q View Document
4/A Oct. 14, 2021 FORM 4/A SUBMISSION View Document
4 Sept. 13, 2021 FORM 4 SUBMISSION View Document
4 Sept. 13, 2021 FORM 4 SUBMISSION View Document
4 Sept. 13, 2021 FORM 4 SUBMISSION View Document
4 Sept. 13, 2021 FORM 4 SUBMISSION View Document
4 Sept. 13, 2021 FORM 4 SUBMISSION View Document
4 Sept. 13, 2021 FORM 4 SUBMISSION View Document
4 Sept. 13, 2021 FORM 4 SUBMISSION View Document
3/A Aug. 25, 2021 FORM 3/A SUBMISSION View Document
3/A Aug. 25, 2021 FORM 3/A SUBMISSION View Document
10-Q/A Aug. 20, 2021 10-Q/A View Document
8-K Aug. 16, 2021 8-K View Document
10-Q Aug. 16, 2021 10-Q View Document
8-K Aug. 11, 2021 8-K View Document
8-K July 13, 2021 8-K View Document
S-8 June 28, 2021 S-8 View Document
4 June 24, 2021 FORM 4 SUBMISSION View Document
4 June 24, 2021 FORM 4 SUBMISSION View Document
4 June 24, 2021 FORM 4 SUBMISSION View Document
4 June 24, 2021 FORM 4 SUBMISSION View Document
4 June 24, 2021 FORM 4 SUBMISSION View Document
4 June 24, 2021 FORM 4 SUBMISSION View Document
4 June 24, 2021 FORM 4 SUBMISSION View Document
4 June 24, 2021 FORM 4 SUBMISSION View Document
4 June 24, 2021 FORM 4 SUBMISSION View Document
4 June 22, 2021 FORM 4 SUBMISSION View Document
4 June 22, 2021 FORM 4 SUBMISSION View Document
424B4 June 21, 2021 424B4 View Document
SEC STAFF LETTER June 17, 2021 - View Document
3 June 17, 2021 FORM 3 SUBMISSION View Document
EFFECT June 17, 2021 - View Document
S-1MEF June 17, 2021 S-1MEF View Document
3 June 17, 2021 FORM 3 SUBMISSION View Document
3 June 17, 2021 FORM 3 SUBMISSION View Document
3 June 17, 2021 FORM 3 SUBMISSION View Document
3 June 17, 2021 FORM 3 SUBMISSION View Document
3 June 17, 2021 FORM 3 SUBMISSION View Document
3 June 17, 2021 FORM 3 SUBMISSION View Document
3 June 17, 2021 FORM 3 SUBMISSION View Document
3 June 17, 2021 FORM 3 SUBMISSION View Document
3 June 17, 2021 FORM 3 SUBMISSION View Document
3 June 17, 2021 FORM 3 SUBMISSION View Document
3 June 17, 2021 FORM 3 SUBMISSION View Document
CERT June 17, 2021 - View Document
S-1/A June 15, 2021 S-1/A View Document
CORRESP June 15, 2021 - View Document
CORRESP June 15, 2021 - View Document
8-A12B June 14, 2021 8-A12B View Document
S-1/A June 11, 2021 S-1/A View Document
CORRESP June 10, 2021 - View Document
CORRESP June 8, 2021 - View Document
S-1/A June 8, 2021 S-1/A View Document
S-1/A June 4, 2021 S-1/A View Document
UPLOAD June 4, 2021 - View Document
S-1/A May 27, 2021 S-1/A View Document
3 May 24, 2021 FORM 3 SUBMISSION View Document
SC 13D May 24, 2021 SC 13D View Document
SC 13D May 24, 2021 SC 13D View Document
CORRESP May 11, 2021 - View Document
SEC STAFF LETTER May 7, 2021 - View Document
UPLOAD May 6, 2021 - View Document
CORRESP May 5, 2021 - View Document
S-1 April 20, 2021 S-1 View Document
CORRESP April 20, 2021 - View Document
UPLOAD March 4, 2021 - View Document
DRS Feb. 1, 2021 - View Document