SEC Filings for iTeos Therapeutics, Inc. (ITOS)

Last updated: 2026-01-07 13:41 UTC | Total filings: 389

Browse the latest SEC filings and forms submitted by iTeos Therapeutics, Inc. (ITOS). Access annual reports, quarterly statements, and other official disclosures.

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Form Filing Date Description Link
SC TO-T/A Aug. 15, 2025 SC TO-T/A View Document
SCHEDULE 13G/A Aug. 14, 2025 - View Document
10-Q Aug. 6, 2025 10-Q View Document
SC TO-T Aug. 1, 2025 SC TO-T View Document
SC 14D9 Aug. 1, 2025 SC 14D9 View Document
SCHEDULE 13G July 25, 2025 - View Document
SCHEDULE 13D/A July 22, 2025 - View Document
SC14D9C July 22, 2025 SC14D9C View Document
8-K July 21, 2025 8-K View Document
SC TO-C July 21, 2025 SC TO-C View Document
8-K June 17, 2025 8-K View Document
SCHEDULE 13D June 12, 2025 - View Document
4 June 11, 2025 4 View Document
144 June 10, 2025 - View Document
144 June 9, 2025 - View Document
144 June 6, 2025 - View Document
144 June 6, 2025 - View Document
4 June 6, 2025 4 View Document
4 June 6, 2025 4 View Document
DEFA14A June 5, 2025 DEFA14A View Document
144 June 5, 2025 - View Document
8-K June 5, 2025 8-K View Document
144 June 5, 2025 - View Document
144 June 4, 2025 - View Document
144 June 4, 2025 - View Document
SCHEDULE 13G June 4, 2025 - View Document
8-K May 28, 2025 8-K View Document
SCHEDULE 13D/A May 19, 2025 - View Document
SCHEDULE 13D May 16, 2025 - View Document
4 May 16, 2025 - View Document
4 May 15, 2025 - View Document
SCHEDULE 13G May 15, 2025 - View Document
SCHEDULE 13G/A May 15, 2025 - View Document
SCHEDULE 13D/A May 15, 2025 - View Document
4 May 15, 2025 - View Document
4 May 15, 2025 - View Document
SCHEDULE 13D/A May 14, 2025 - View Document
4 May 14, 2025 4 View Document
3 May 13, 2025 - View Document
SCHEDULE 13G/A May 13, 2025 - View Document
8-K May 13, 2025 8-K View Document
SCHEDULE 13G May 8, 2025 - View Document
10-Q April 28, 2025 10-Q View Document
ARS April 24, 2025 ARS View Document
DEF 14A April 24, 2025 DEF 14A View Document
DEFA14A April 24, 2025 DEFA14A View Document
SCHEDULE 13G April 15, 2025 - View Document
4 March 11, 2025 4 View Document
4 March 11, 2025 4 View Document
4 March 11, 2025 4 View Document
4 March 11, 2025 4 View Document
10-K March 5, 2025 10-K View Document
S-8 March 5, 2025 S-8 View Document
SCHEDULE 13G/A Feb. 14, 2025 - View Document
8-K Jan. 13, 2025 8-K View Document
4 Dec. 6, 2024 4 View Document
SC 13G Nov. 21, 2024 SCHEDULE 13G View Document
4 Nov. 19, 2024 4 View Document
SC 13D/A Nov. 18, 2024 - View Document
SC 13D/A Nov. 18, 2024 - View Document
SC 13G/A Nov. 14, 2024 - View Document
10-Q Nov. 12, 2024 10-Q View Document
SC 13G/A Nov. 8, 2024 - View Document
8-K Nov. 4, 2024 8-K View Document
SC 13G/A Oct. 21, 2024 - View Document
SC 13D/A Oct. 15, 2024 - View Document
SC 13D/A Oct. 15, 2024 - View Document
SC 13G Sept. 30, 2024 - View Document
8-K Sept. 16, 2024 8-K View Document
4 Aug. 9, 2024 4 View Document
10-Q Aug. 8, 2024 10-Q View Document
4 Aug. 5, 2024 4 View Document
3 Aug. 5, 2024 3 View Document
8-K June 13, 2024 8-K View Document
4 June 13, 2024 4 View Document
4 June 13, 2024 4 View Document
4 June 13, 2024 4 View Document
4 June 13, 2024 4 View Document
4 June 13, 2024 4 View Document
4 June 13, 2024 4 View Document
4 June 13, 2024 4 View Document
4 June 13, 2024 4 View Document
4 May 14, 2024 - View Document
SC 13D/A May 14, 2024 SC 13D/A View Document
4 May 14, 2024 - View Document
SC 13D/A May 14, 2024 - View Document
8-K May 13, 2024 8-K View Document
424B5 May 10, 2024 424B5 View Document
10-Q May 10, 2024 10-Q View Document
DEF 14A April 25, 2024 DEF 14A View Document
ARS April 25, 2024 ARS View Document
DEFA14A April 25, 2024 DEFA14A View Document
4 March 8, 2024 4 View Document
4 March 8, 2024 4 View Document
4 March 8, 2024 4 View Document
4 March 8, 2024 4 View Document
3 March 7, 2024 3 View Document
4 March 7, 2024 4 View Document
S-8 March 6, 2024 S-8 View Document
10-K March 6, 2024 10-K View Document
SC 13G Feb. 16, 2024 - View Document
SC 13G/A Feb. 14, 2024 AMENDMENT NO. 2 TO SCHEDULE 13G View Document
SC 13G/A Feb. 13, 2024 SCHEDULE 13G/A View Document
SC 13G/A Jan. 23, 2024 - View Document
8-K Jan. 10, 2024 8-K View Document
SC 13G/A Jan. 9, 2024 - View Document
4 Dec. 7, 2023 4 View Document
8-K Dec. 7, 2023 8-K View Document
4 Dec. 7, 2023 4 View Document
4 Dec. 7, 2023 4 View Document
4 Dec. 7, 2023 4 View Document
4 Dec. 7, 2023 4 View Document
3 Dec. 7, 2023 3 View Document
10-Q Nov. 7, 2023 10-Q View Document
SC 13G Oct. 24, 2023 - View Document
4 Oct. 12, 2023 FORM 4 SUBMISSION View Document
4 Aug. 25, 2023 - View Document
144 Aug. 23, 2023 - View Document
10-Q Aug. 8, 2023 10-Q View Document
8-K June 26, 2023 8-K View Document
8-K June 20, 2023 8-K View Document
4 June 15, 2023 FORM 4 SUBMISSION View Document
4 June 15, 2023 FORM 4 SUBMISSION View Document
4 June 15, 2023 FORM 4 SUBMISSION View Document
4 June 15, 2023 FORM 4 SUBMISSION View Document
4 June 15, 2023 FORM 4 SUBMISSION View Document
4 June 15, 2023 FORM 4 SUBMISSION View Document
4 June 15, 2023 FORM 4 SUBMISSION View Document
EFFECT May 19, 2023 - View Document
424B3 May 19, 2023 424B3 View Document
CORRESP May 17, 2023 - View Document
UPLOAD May 15, 2023 - View Document
10-Q May 10, 2023 10-Q View Document
S-3 May 10, 2023 S-3 View Document
ARS April 27, 2023 ARS View Document
DEF 14A April 27, 2023 DEF 14A View Document
DEFA14A April 27, 2023 DEFA14A View Document
4 March 29, 2023 FORM 4 SUBMISSION View Document
S-8 March 15, 2023 S-8 View Document
10-K March 15, 2023 10-K View Document
4 March 10, 2023 FORM 4 SUBMISSION View Document
4 March 10, 2023 FORM 4 SUBMISSION View Document
4 March 10, 2023 FORM 4 SUBMISSION View Document
4 March 10, 2023 FORM 4 SUBMISSION View Document
4 March 10, 2023 FORM 4 SUBMISSION View Document
5 March 10, 2023 FORM 5 SUBMISSION View Document
8-K March 10, 2023 8-K View Document
SC 13G/A Feb. 14, 2023 ITEOS THERAPEUTICS, INC. View Document
SC 13G/A Feb. 14, 2023 AMENDMENT NO. 1 TO THE SCHEDULE 13G View Document
SC 13G Feb. 9, 2023 SCHEDULE 13G View Document
8-K Feb. 3, 2023 8-K View Document
SC 13G/A Jan. 26, 2023 - View Document
SC 13G/A Jan. 20, 2023 - View Document
8-K Jan. 9, 2023 8-K View Document
10-Q Nov. 10, 2022 10-Q View Document
UPLOAD Aug. 25, 2022 - View Document
CORRESP Aug. 12, 2022 - View Document
10-Q Aug. 10, 2022 10-Q View Document
UPLOAD July 13, 2022 - View Document
SC 13G July 8, 2022 - View Document
8-K June 13, 2022 8-K View Document
4 June 10, 2022 FORM 4 SUBMISSION View Document
4 June 10, 2022 OWNERSHIP DOCUMENT View Document
4 June 10, 2022 FORM 4 SUBMISSION View Document
4 June 10, 2022 FORM 4 SUBMISSION View Document
4 June 10, 2022 FORM 4 SUBMISSION View Document
4 June 10, 2022 FORM 4 SUBMISSION View Document
4 June 10, 2022 FORM 4 SUBMISSION View Document
4 June 10, 2022 FORM 4 SUBMISSION View Document
4 June 10, 2022 FORM 4 SUBMISSION View Document
4 June 10, 2022 FORM 4 SUBMISSION View Document
10-Q May 12, 2022 10-Q View Document
4 May 11, 2022 FORM 4 SUBMISSION View Document
SC 13D/A May 11, 2022 SC 13D/A View Document
4 May 2, 2022 FORM 4 SUBMISSION View Document
SC 13G May 2, 2022 SCHEDULE 13G View Document
DEFA14A April 25, 2022 DEFA14A View Document
DEF 14A April 25, 2022 DEF 14A View Document
4 April 19, 2022 FORM 4 SUBMISSION View Document
4 March 24, 2022 FORM 4 SUBMISSION View Document
10-K March 23, 2022 10-K View Document
S-8 March 23, 2022 S-8 View Document
4 March 22, 2022 FORM 4 SUBMISSION View Document
SC 13D/A March 21, 2022 SC 13D/A View Document
4 March 18, 2022 FORM 4 SUBMISSION View Document
4 March 14, 2022 FORM 4 SUBMISSION View Document
4 March 14, 2022 FORM 4 SUBMISSION View Document
4 March 14, 2022 FORM 4 SUBMISSION View Document
4 March 14, 2022 FORM 4 SUBMISSION View Document
4 March 14, 2022 FORM 4 SUBMISSION View Document
4 March 2, 2022 FORM 4 SUBMISSION View Document
4 Feb. 24, 2022 FORM 4 SUBMISSION View Document
4 Feb. 14, 2022 FORM 4 SUBMISSION View Document
SC 13G/A Feb. 14, 2022 ITEOS THERAPEUTICS, INC. View Document
SC 13G/A Feb. 10, 2022 JANUS HENDERSON GROUP PLC OWNS <5% View Document
4 Jan. 26, 2022 FORM 4 SUBMISSION View Document
4 Jan. 18, 2022 FORM 4 SUBMISSION View Document
8-K Jan. 11, 2022 8-K View Document
SC 13D/A Jan. 6, 2022 SC 13D/A View Document
4 Jan. 6, 2022 FORM 4 SUBMISSION View Document
4 Jan. 6, 2022 FORM 4 SUBMISSION View Document
4 Jan. 6, 2022 FORM 4 SUBMISSION View Document
4 Jan. 5, 2022 FORM 4 SUBMISSION View Document
4 Jan. 4, 2022 FORM 4 SUBMISSION View Document
4 Jan. 4, 2022 FORM 4 SUBMISSION View Document
4 Dec. 28, 2021 FORM 4 SUBMISSION View Document
4 Dec. 22, 2021 FORM 4 SUBMISSION View Document
4 Dec. 22, 2021 FORM 4 SUBMISSION View Document
4 Dec. 17, 2021 FORM 4 SUBMISSION View Document
4 Dec. 10, 2021 FORM 4 SUBMISSION View Document
SC 13D/A Dec. 10, 2021 SC 13D/A View Document
4 Dec. 7, 2021 FORM 4 SUBMISSION View Document
4 Dec. 7, 2021 FORM 4 SUBMISSION View Document
4 Dec. 7, 2021 FORM 4 SUBMISSION View Document
4 Dec. 2, 2021 FORM 4 SUBMISSION View Document
4 Dec. 2, 2021 FORM 4 SUBMISSION View Document
4 Dec. 2, 2021 FORM 4 SUBMISSION View Document
4 Nov. 30, 2021 FORM 4 SUBMISSION View Document
4 Nov. 30, 2021 FORM 4 SUBMISSION View Document
4 Nov. 30, 2021 FORM 4 SUBMISSION View Document
4 Nov. 24, 2021 FORM 4 SUBMISSION View Document
4 Nov. 24, 2021 FORM 4 SUBMISSION View Document
4 Nov. 24, 2021 FORM 4 SUBMISSION View Document
4 Nov. 24, 2021 FORM 4 SUBMISSION View Document
4 Nov. 19, 2021 FORM 4 SUBMISSION View Document
10-Q Nov. 10, 2021 10-Q View Document
4 Nov. 3, 2021 FORM 4 SUBMISSION View Document
4 Oct. 25, 2021 FORM 4 SUBMISSION View Document
4 Oct. 19, 2021 FORM 4 SUBMISSION View Document
SC 13D/A Oct. 19, 2021 SC 13D/A View Document
4 Oct. 18, 2021 FORM 4 SUBMISSION View Document
4 Oct. 18, 2021 FORM 4 SUBMISSION View Document
4 Oct. 18, 2021 FORM 4 SUBMISSION View Document
4 Oct. 14, 2021 FORM 4 SUBMISSION View Document
4 Oct. 14, 2021 FORM 4 SUBMISSION View Document
4 Oct. 14, 2021 FORM 4 SUBMISSION View Document
4 Oct. 12, 2021 FORM 4 SUBMISSION View Document
4 Oct. 12, 2021 FORM 4 SUBMISSION View Document
4 Oct. 12, 2021 FORM 4 SUBMISSION View Document
4 Oct. 12, 2021 FORM 4 SUBMISSION View Document
4 Oct. 5, 2021 FORM 4 SUBMISSION View Document
4 Oct. 5, 2021 FORM 4 SUBMISSION View Document
4 Oct. 5, 2021 FORM 4 SUBMISSION View Document
4 Sept. 30, 2021 FORM 4 SUBMISSION View Document
4 Sept. 30, 2021 FORM 4 SUBMISSION View Document
4 Sept. 30, 2021 FORM 4 SUBMISSION View Document
4 Sept. 27, 2021 FORM 4 SUBMISSION View Document
4 Sept. 27, 2021 FORM 4 SUBMISSION View Document
4 Sept. 27, 2021 FORM 4 SUBMISSION View Document
4 Sept. 27, 2021 FORM 4 SUBMISSION View Document
4 Sept. 23, 2021 FORM 4 SUBMISSION View Document
4 Sept. 23, 2021 FORM 4 SUBMISSION View Document
4 Sept. 23, 2021 FORM 4 SUBMISSION View Document
SC 13D/A Sept. 21, 2021 SC 13D/A View Document
4 Sept. 20, 2021 FORM 4 SUBMISSION View Document
4 Sept. 20, 2021 FORM 4 SUBMISSION View Document
4 Sept. 20, 2021 FORM 4 SUBMISSION View Document
4 Sept. 16, 2021 FORM 4 SUBMISSION View Document
4 Sept. 16, 2021 FORM 4 SUBMISSION View Document
4 Sept. 16, 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. 8, 2021 FORM 4 SUBMISSION View Document
4 Sept. 8, 2021 FORM 4 SUBMISSION View Document
4 Sept. 8, 2021 FORM 4 SUBMISSION View Document
4 Sept. 3, 2021 FORM 4 SUBMISSION View Document
4 Aug. 31, 2021 FORM 4 SUBMISSION View Document
4 Aug. 25, 2021 FORM 4 SUBMISSION View Document
10-Q Aug. 11, 2021 10-Q View Document
8-K Aug. 10, 2021 8-K View Document
4 Aug. 5, 2021 FORM 4 SUBMISSION View Document
8-K July 28, 2021 8-K View Document
4 June 25, 2021 FORM 4 SUBMISSION View Document
4 June 25, 2021 FORM 4 SUBMISSION View Document
4 June 25, 2021 FORM 4 SUBMISSION View Document
4 June 21, 2021 FORM 4 SUBMISSION View Document
4 June 21, 2021 FORM 4 SUBMISSION View Document
4 June 21, 2021 FORM 4 SUBMISSION View Document
4 June 21, 2021 FORM 4 SUBMISSION View Document
4 June 21, 2021 FORM 4 SUBMISSION View Document
4 June 21, 2021 FORM 4 SUBMISSION View Document
4 June 21, 2021 FORM 4 SUBMISSION View Document
4 June 21, 2021 FORM 4 SUBMISSION View Document
4 June 21, 2021 FORM 4 SUBMISSION View Document
4 June 16, 2021 FORM 4 SUBMISSION View Document
4 June 16, 2021 FORM 4 SUBMISSION View Document
8-K June 16, 2021 8-K View Document
8-K June 14, 2021 8-K View Document
4 June 10, 2021 FORM 4 SUBMISSION View Document
4/A June 3, 2021 FORM 4/A SUBMISSION View Document
4 June 3, 2021 FORM 4 SUBMISSION View Document
4 May 26, 2021 FORM 4 SUBMISSION View Document
4 May 19, 2021 FORM 4 SUBMISSION View Document
10-Q May 13, 2021 10-Q View Document
8-K May 13, 2021 8-K View Document
DEF 14A May 5, 2021 DEF 14A View Document
DEFA14A May 5, 2021 DEFA14A View Document
8-K May 4, 2021 8-K View Document
4 May 3, 2021 FORM 4 SUBMISSION View Document
4 May 3, 2021 FORM 4 SUBMISSION View Document
3 May 3, 2021 FORM 3 SUBMISSION View Document
3 May 3, 2021 FORM 3 SUBMISSION View Document
4 April 13, 2021 FORM 4 SUBMISSION View Document
4 April 13, 2021 FORM 4 SUBMISSION View Document
4 April 13, 2021 FORM 4 SUBMISSION View Document
8-K April 12, 2021 8-K View Document
4 April 9, 2021 FORM 4 SUBMISSION View Document
4 April 9, 2021 FORM 4 SUBMISSION View Document
4 April 9, 2021 FORM 4 SUBMISSION View Document
4 April 5, 2021 OWNERSHIP DOCUMENT View Document
10-K March 24, 2021 10-K View Document
S-8 March 24, 2021 S-8 View Document
8-K March 24, 2021 8-K View Document
8-K March 22, 2021 8-K View Document
4 March 3, 2021 FORM 4 SUBMISSION View Document
4 March 3, 2021 FORM 4 SUBMISSION View Document
4 March 3, 2021 FORM 4 SUBMISSION View Document
4 March 3, 2021 FORM 4 SUBMISSION View Document
4 March 3, 2021 FORM 4 SUBMISSION View Document
SC 13G Feb. 12, 2021 JANUS HENDERSON GROUP PLC OWNS >5% View Document
SC 13G Feb. 4, 2021 - View Document
8-K Jan. 11, 2021 8-K View Document
4 Nov. 12, 2020 FORM 4 SUBMISSION View Document
3 Nov. 12, 2020 FORM 3 SUBMISSION View Document
10-Q Nov. 12, 2020 10-Q View Document
8-K Nov. 12, 2020 8-K View Document
4/A Oct. 21, 2020 FORM 4/A SUBMISSION View Document
4/A Oct. 21, 2020 FORM 4/A SUBMISSION View Document
4/A Oct. 21, 2020 FORM 4/A SUBMISSION View Document
4/A Oct. 21, 2020 FORM 4/A SUBMISSION View Document
4/A Oct. 21, 2020 FORM 4/A SUBMISSION View Document
4/A Oct. 21, 2020 FORM 4/A SUBMISSION View Document
4/A Oct. 21, 2020 FORM 4/A SUBMISSION View Document
10-Q Sept. 1, 2020 10-Q View Document
8-K Sept. 1, 2020 8-K View Document
SC 13D Aug. 7, 2020 SC 13D View Document
SC 13D Aug. 7, 2020 SC 13D View Document
SC 13D Aug. 5, 2020 SCHEDULE 13D View Document
4 July 30, 2020 FORM 4 SUBMISSION View Document
4 July 30, 2020 FORM 4 SUBMISSION View Document
4 July 29, 2020 FORM 4 SUBMISSION View Document
4 July 29, 2020 FORM 4 SUBMISSION View Document
4 July 29, 2020 OWNERSHIP DOCUMENT View Document
4 July 29, 2020 FORM 4 SUBMISSION View Document
8-K July 28, 2020 8-K View Document
S-8 July 28, 2020 S-8 View Document
424B4 July 27, 2020 424B4 View Document
4 July 24, 2020 FORM 4 SUBMISSION View Document
4 July 24, 2020 FORM 4 SUBMISSION View Document
4 July 24, 2020 FORM 4 SUBMISSION View Document
4 July 24, 2020 FORM 4 SUBMISSION View Document
4 July 24, 2020 FORM 4 SUBMISSION View Document
4 July 24, 2020 FORM 4 SUBMISSION View Document
4 July 24, 2020 FORM 4 SUBMISSION View Document
4 July 24, 2020 FORM 4 SUBMISSION View Document
SEC STAFF LETTER July 23, 2020 - View Document
EFFECT July 23, 2020 - View Document
S-1MEF July 23, 2020 S-1MEF View Document
3 July 23, 2020 OWNERSHIP DOCUMENT View Document
3 July 23, 2020 FORM 3 SUBMISSION View Document
3 July 23, 2020 FORM 3 SUBMISSION View Document
3 July 23, 2020 FORM 3 SUBMISSION View Document
3 July 23, 2020 FORM 3 SUBMISSION View Document
3 July 23, 2020 FORM 3 SUBMISSION View Document
3 July 23, 2020 FORM 3 SUBMISSION View Document
3 July 23, 2020 FORM 3 SUBMISSION View Document
3 July 23, 2020 FORM 3 SUBMISSION View Document
3 July 23, 2020 FORM 3 SUBMISSION View Document
3 July 23, 2020 FORM 3 SUBMISSION View Document
3 July 23, 2020 FORM 3 SUBMISSION View Document
3 July 23, 2020 FORM 3 SUBMISSION View Document
3 July 23, 2020 FORM 3 SUBMISSION View Document
3 July 23, 2020 FORM 3 SUBMISSION View Document
3 July 23, 2020 FORM 3 SUBMISSION View Document
3 July 23, 2020 FORM 3 SUBMISSION View Document
CERT July 23, 2020 - View Document
8-A12B July 21, 2020 8-A12B View Document
CORRESP July 21, 2020 - View Document
CORRESP July 21, 2020 - View Document
CORRESP July 20, 2020 - View Document
S-1/A July 20, 2020 S-1/A View Document
UPLOAD July 9, 2020 - View Document
SEC STAFF LETTER July 8, 2020 - View Document
CORRESP June 24, 2020 - View Document
S-1 June 24, 2020 S-1 View Document
UPLOAD June 19, 2020 - View Document
DRS May 22, 2020 - View Document
D April 9, 2020 - View Document