SEC Filings for REVIVA PHARMACEUTICALS HOLDINGS, INC. (RVPH)

Last updated: 2026-03-30 23:17 UTC | Total filings: 399

Browse the latest SEC filings and forms submitted by REVIVA PHARMACEUTICALS HOLDINGS, INC. (RVPH). Access annual reports, quarterly statements, and other official disclosures.

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Form Filing Date Description Link
SCHEDULE 13G March 30, 2026 - View Document
10-K March 30, 2026 FORM 10-K View Document
S-8 March 30, 2026 FORM S-8 View Document
8-K March 30, 2026 FORM 8-K View Document
SCHEDULE 13G March 25, 2026 - View Document
SCHEDULE 13D/A March 24, 2026 - View Document
4 March 20, 2026 FORM 4 View Document
4 March 20, 2026 FORM 4 View Document
8-K March 19, 2026 FORM 8-K View Document
424B5 March 19, 2026 FORM 424B5 View Document
424B5 March 18, 2026 FORM 424B5 View Document
8-K March 5, 2026 FORM 8-K View Document
SCHEDULE 13G/A Feb. 17, 2026 - View Document
8-K Jan. 23, 2026 FORM 8-K View Document
SCHEDULE 13G/A Jan. 16, 2026 - View Document
8-K Dec. 23, 2025 FORM 8-K View Document
SCHEDULE 13D/A Dec. 22, 2025 - View Document
4 Dec. 19, 2025 FORM 4 View Document
4 Dec. 19, 2025 FORM 4 View Document
4 Dec. 19, 2025 FORM 4 View Document
4 Dec. 19, 2025 FORM 4 View Document
25-NSE Dec. 12, 2025 - View Document
DEFA14A Dec. 5, 2025 FORM DEFA14A View Document
10-Q Nov. 13, 2025 FORM 10-Q View Document
8-K Nov. 13, 2025 FORM 8-K View Document
ARS Nov. 4, 2025 ARS View Document
DEF 14A Nov. 4, 2025 FORM DEF 14A View Document
DEFA14A Nov. 4, 2025 FORM DEFA14A View Document
PRE 14A Oct. 24, 2025 FORM PRE 14A View Document
8-K Oct. 17, 2025 FORM 8-K View Document
SCHEDULE 13G Sept. 29, 2025 - View Document
8-K Sept. 26, 2025 FORM 8-K View Document
SCHEDULE 13D/A Sept. 24, 2025 - View Document
SCHEDULE 13D/A Sept. 24, 2025 - View Document
8-K Sept. 19, 2025 FORM 8-K View Document
424B5 Sept. 19, 2025 FORM 424B5 View Document
424B5 Sept. 18, 2025 FORM 424B5 View Document
SCHEDULE 13G/A Aug. 14, 2025 - View Document
8-K Aug. 14, 2025 FORM 8-K View Document
10-Q Aug. 14, 2025 FORM 10-Q View Document
SCHEDULE 13G Aug. 14, 2025 - View Document
SCHEDULE 13G/A Aug. 14, 2025 - View Document
SCHEDULE 13D/A July 1, 2025 - View Document
SCHEDULE 13D/A July 1, 2025 - View Document
SCHEDULE 13G July 1, 2025 - View Document
8-K June 26, 2025 FORM 8-K View Document
424B5 June 26, 2025 FORM 424B5 View Document
424B5 June 25, 2025 FORM 424B5 View Document
8-K June 6, 2025 FORM 8-K View Document
8-K June 2, 2025 FORM 8-K View Document
424B5 May 30, 2025 FORM 424B5 View Document
8-K May 30, 2025 FORM 8-K View Document
8-K May 15, 2025 FORM 8-K View Document
SCHEDULE 13G/A May 15, 2025 - View Document
10-Q May 15, 2025 FORM 10-Q View Document
10-K April 3, 2025 FORM 10-K View Document
S-8 April 3, 2025 FORM S-8 View Document
NT 10-K March 31, 2025 FORM NT 10-K View Document
8-K March 31, 2025 FORM 8-K View Document
4 Feb. 18, 2025 FORM 4 View Document
4 Feb. 18, 2025 FORM 4 View Document
8-K Feb. 18, 2025 FORM 8-K View Document
SCHEDULE 13G/A Feb. 14, 2025 - View Document
SCHEDULE 13G/A Feb. 7, 2025 - View Document
SCHEDULE 13D/A Jan. 31, 2025 - View Document
SCHEDULE 13G Dec. 23, 2024 - View Document
SCHEDULE 13D/A Dec. 20, 2024 - View Document
8-K Dec. 18, 2024 FORM 8-K View Document
424B5 Dec. 18, 2024 FORM 424B5 View Document
8-K Dec. 16, 2024 FORM 8-K View Document
424B5 Dec. 16, 2024 FORM 424B5 View Document
4 Dec. 12, 2024 FORM 4 View Document
4 Dec. 12, 2024 FORM 4 View Document
8-K Dec. 12, 2024 FORM 8-K View Document
4 Dec. 12, 2024 FORM 4 View Document
4 Dec. 12, 2024 FORM 4 View Document
SC 13G Nov. 14, 2024 - View Document
10-Q Nov. 14, 2024 FORM 10-Q View Document
SC 13G/A Nov. 14, 2024 - View Document
8-K Nov. 14, 2024 FORM 8-K View Document
8-K Nov. 12, 2024 FORM 8-K View Document
DEF 14A Oct. 28, 2024 FORM DEF 14A View Document
ARS Oct. 28, 2024 - View Document
PRE 14A Oct. 17, 2024 FORM PRE 14A View Document
8-K Sept. 17, 2024 FORM 8-K View Document
4 Sept. 17, 2024 FORM 4 View Document
4 Sept. 17, 2024 FORM 4 View Document
SC 13D/A Aug. 23, 2024 SCHEDULE 13D/A View Document
SC 13D/A Aug. 23, 2024 SCHEDULE 13D/A View Document
424B5 Aug. 22, 2024 FORM 424B5 View Document
8-K/A Aug. 22, 2024 FORM 8-K/A View Document
UPLOAD Aug. 22, 2024 - View Document
8-K Aug. 21, 2024 FORM 8-K View Document
8-K Aug. 14, 2024 FORM 8-K View Document
SC 13G Aug. 14, 2024 - View Document
10-Q Aug. 14, 2024 FORM 10-Q View Document
CORRESP Aug. 7, 2024 - View Document
UPLOAD July 24, 2024 - View Document
8-K July 9, 2024 FORM 8-K View Document
SC 13D/A May 31, 2024 - View Document
424B5 May 29, 2024 FORM 424B5 View Document
8-K May 29, 2024 FORM 8-K View Document
S-8 May 17, 2024 FORM S-8 View Document
8-K May 15, 2024 FORM 8-K View Document
8-K May 14, 2024 FORM 8-K View Document
10-Q May 14, 2024 FORM 10-Q View Document
8-K April 15, 2024 FORM 8-K View Document
8-K April 15, 2024 FORM 8-K View Document
10-K April 15, 2024 FORM 10-K View Document
8-K April 15, 2024 FORM 8-K View Document
NT 10-K April 2, 2024 FORM NT 10-K View Document
SC 13D/A Feb. 16, 2024 SCHEDULE 13D/A View Document
SC 13G Feb. 14, 2024 - View Document
SC 13G/A Feb. 14, 2024 AMENDMENT NO. 2 View Document
424B4 Feb. 13, 2024 FORM 424B4 View Document
EFFECT Feb. 13, 2024 - View Document
CORRESP Feb. 9, 2024 - View Document
UPLOAD Feb. 9, 2024 - View Document
S-3 Feb. 2, 2024 FORM S-3 View Document
SC 13D/A Nov. 30, 2023 - View Document
4 Nov. 22, 2023 - View Document
424B5 Nov. 17, 2023 FORM 424B5 View Document
8-K Nov. 17, 2023 FORM 8-K View Document
4 Nov. 14, 2023 FORM 4 View Document
8-K/A Nov. 14, 2023 FORM 8-K/A View Document
10-Q Nov. 14, 2023 FORM 10-Q View Document
8-K Nov. 14, 2023 FORM 8-K View Document
4 Nov. 14, 2023 FORM 4 View Document
4 Nov. 14, 2023 FORM 4 View Document
4 Nov. 14, 2023 FORM 4 View Document
8-K Nov. 14, 2023 FORM 8-K View Document
8-K Oct. 30, 2023 FORM 8-K View Document
ARS Oct. 4, 2023 - View Document
8-K Oct. 4, 2023 FORM 8-K View Document
DEF 14A Oct. 4, 2023 FORM DEF 14A View Document
8-K Aug. 17, 2023 FORM 8-K View Document
8-K Aug. 14, 2023 FORM 8-K View Document
10-Q Aug. 14, 2023 FORM 10-Q View Document
8-K July 24, 2023 FORM 8-K View Document
8-K June 23, 2023 FORM 8-K View Document
10-Q May 15, 2023 FORM 10-Q View Document
8-K May 15, 2023 FORM 8-K View Document
SC 13D/A May 5, 2023 SCHEDULE 13D/A View Document
4 April 27, 2023 FORM 4 View Document
4 April 27, 2023 FORM 4 View Document
8-K April 27, 2023 FORM 8-K View Document
424B3 April 5, 2023 FORM 424B3 View Document
EFFECT April 4, 2023 - View Document
S-8 March 30, 2023 FORM S-8 View Document
8-K March 30, 2023 FORM 8-K View Document
10-K March 30, 2023 FORM 10-K View Document
POS AM March 30, 2023 FORM POS AM View Document
SC 13G/A Feb. 14, 2023 AMENDMENT NO. 1 View Document
8-K Jan. 4, 2023 FORM 8-K View Document
4 Nov. 21, 2022 FORM 4 View Document
8-K Nov. 14, 2022 FORM 8-K View Document
4 Nov. 14, 2022 FORM 4 View Document
4 Nov. 14, 2022 FORM 4 View Document
4 Nov. 14, 2022 FORM 4 View Document
8-K Nov. 14, 2022 FORM 8-K View Document
10-Q Nov. 14, 2022 FORM 10-Q View Document
4 Nov. 14, 2022 FORM 4 View Document
424B4 Oct. 18, 2022 FORM 424B4 View Document
EFFECT Oct. 17, 2022 - View Document
CORRESP Oct. 13, 2022 - View Document
UPLOAD Oct. 12, 2022 - View Document
DEF 14A Oct. 11, 2022 FORM DEF 14A View Document
S-1 Oct. 6, 2022 - View Document
4 Oct. 3, 2022 FORM 4 View Document
D Sept. 19, 2022 - View Document
SC 13D/A Sept. 12, 2022 SC 13D/A View Document
4 Sept. 12, 2022 OWNERSHIP DOCUMENT View Document
8-K Sept. 7, 2022 FORM 8-K View Document
424B5 Sept. 7, 2022 FORM 424B5 View Document
8-K Aug. 15, 2022 FORM 8-K View Document
10-Q Aug. 15, 2022 FORM 10-Q View Document
8-K July 28, 2022 FORM 8-K View Document
8-K July 27, 2022 FORM 8-K View Document
4 June 30, 2022 FORM 4 View Document
8-K June 27, 2022 FORM 8-K View Document
8-K May 16, 2022 FORM 8-K View Document
10-Q May 16, 2022 FORM 10-Q View Document
424B3 March 23, 2022 FORM 424B3 View Document
424B3 March 23, 2022 FORM 424B3 View Document
EFFECT March 22, 2022 - View Document
EFFECT March 22, 2022 - View Document
POS AM March 18, 2022 - View Document
POS AM March 18, 2022 - View Document
8-K March 15, 2022 FORM 8-K View Document
10-K March 15, 2022 FORM 10-K View Document
424B3 Feb. 2, 2022 FORM 424B3 View Document
424B3 Feb. 2, 2022 FORM 424B3 View Document
EFFECT Feb. 2, 2022 - View Document
8-K Feb. 1, 2022 FORM 8-K View Document
CORRESP Jan. 31, 2022 - View Document
UPLOAD Jan. 31, 2022 - View Document
8-K Jan. 26, 2022 FORM 8-K View Document
S-3 Jan. 26, 2022 FORM S-3 View Document
SC 13G/A Jan. 5, 2022 SABBY 13G-A RVPH 1.05.22 View Document
4 Dec. 10, 2021 FORM 4 View Document
8-K Dec. 10, 2021 FORM 8-K View Document
4 Dec. 10, 2021 FORM 4 View Document
4 Dec. 10, 2021 FORM 4 View Document
4 Dec. 10, 2021 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES View Document
8-K Nov. 15, 2021 FORM 8-K View Document
10-Q Nov. 15, 2021 FORM 10-Q View Document
424B3 Nov. 15, 2021 FORM 424B3 View Document
424B3 Nov. 15, 2021 FORM 424B3 View Document
DEF 14A Oct. 26, 2021 FORM DEF 14A View Document
424B3 Sept. 21, 2021 FORM 424B3 View Document
424B3 Sept. 21, 2021 FORM 424B3 View Document
8-K Sept. 20, 2021 FORM 8-K View Document
424B3 Aug. 16, 2021 FORM 424B3 View Document
424B3 Aug. 16, 2021 FORM 424B3 View Document
10-Q Aug. 16, 2021 FORM 10-Q View Document
8-K Aug. 16, 2021 FORM 8-K View Document
4 June 16, 2021 FORM 4 View Document
8-K June 16, 2021 FORM 8-K View Document
4 June 16, 2021 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES View Document
4 June 16, 2021 FORM 4 View Document
4 June 16, 2021 FORM 4 View Document
SC 13D/A June 14, 2021 SCHEDULE 13D/A View Document
SC 13G June 3, 2021 - View Document
SC 13D/A June 3, 2021 SC 13D/A View Document
4 June 3, 2021 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES View Document
3 June 3, 2021 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES View Document
424B4 May 28, 2021 FORM 424B4 View Document
POS EX May 28, 2021 FORM POS EX View Document
EFFECT May 26, 2021 - View Document
S-1MEF May 26, 2021 FORM S-1MEF View Document
CORRESP May 25, 2021 - View Document
S-1/A May 25, 2021 FORM S-1/A View Document
CORRESP May 25, 2021 - View Document
S-1/A May 19, 2021 FORM S-1/A View Document
424B3 May 17, 2021 FORM 424B3 View Document
10-Q May 17, 2021 FORM 10-Q View Document
424B4 May 17, 2021 FORM 424B4 View Document
EFFECT May 14, 2021 - View Document
POS AM May 12, 2021 FORM POS AM View Document
S-1/A May 10, 2021 FORM S-1/A View Document
8-K May 10, 2021 FORM 8-K View Document
8-K May 7, 2021 FORM 8-K View Document
10-K/A May 7, 2021 FORM 10-K/A View Document
UPLOAD April 21, 2021 - View Document
S-1 April 19, 2021 FORM S-1 View Document
4 April 15, 2021 FORM 4 View Document
8-K April 15, 2021 FORM 8-K View Document
4 April 15, 2021 FORM 4 View Document
424B4 March 29, 2021 FORM 424B4 View Document
EFFECT March 26, 2021 - View Document
POS AM March 25, 2021 FORM POS AM View Document
10-K/A March 24, 2021 FORM 10-K/A View Document
10-K March 22, 2021 FORM 10-K View Document
S-8 March 22, 2021 FORM S-8 View Document
8-K March 22, 2021 FORM 8-K View Document
8-K March 4, 2021 FORM 8-K View Document
8-K/A Jan. 20, 2021 FORM 8-K/A View Document
SC 13D/A Jan. 19, 2021 SCHEDULE SC 13D/A View Document
SC 13D/A Jan. 19, 2021 SCHEDULE 13D/A View Document
SC 13D/A Jan. 19, 2021 SC 13D/A View Document
424B3 Jan. 14, 2021 424B3 View Document
10-Q Jan. 14, 2021 FROM 10-Q View Document
424B4 Jan. 12, 2021 424B4 View Document
EFFECT Jan. 11, 2021 - View Document
SC 13G/A Jan. 8, 2021 TZAC 13GA View Document
SC 13G/A Jan. 7, 2021 SABBY 13G-A RVPH 1.07.21 View Document
S-1/A Jan. 7, 2021 S-1/A View Document
CORRESP Jan. 7, 2021 - View Document
UPLOAD Jan. 4, 2021 - View Document
S-1 Dec. 29, 2020 FORM S-1 View Document
4 Dec. 28, 2020 OWNERSHIP DOCUMENT View Document
4 Dec. 28, 2020 OWNERSHIP DOCUMENT View Document
SC 13D Dec. 21, 2020 SCHEDULE 13D View Document
3 Dec. 18, 2020 OWNERSHIP DOCUMENT View Document
8-K Dec. 18, 2020 FORM 8-K View Document
3 Dec. 18, 2020 OWNERSHIP DOCUMENT View Document
3 Dec. 18, 2020 OWNERSHIP DOCUMENT View Document
3 Dec. 18, 2020 OWNERSHIP DOCUMENT View Document
3 Dec. 18, 2020 OWNERSHIP DOCUMENT View Document
3 Dec. 18, 2020 OWNERSHIP DOCUMENT View Document
SC 13G Dec. 18, 2020 SABBY 13G TZAC 12.18.20 View Document
25-NSE Dec. 14, 2020 - View Document
8-K Dec. 14, 2020 FORM 8-K View Document
3 Dec. 10, 2020 PRIMARY DOCUMENT View Document
4 Dec. 10, 2020 PRIMARY DOCUMENT View Document
8-K Dec. 9, 2020 8-K View Document
4 Dec. 9, 2020 PRIMARY DOCUMENT View Document
4 Dec. 9, 2020 PRIMARY DOCUMENT View Document
4 Dec. 4, 2020 PRIMARY DOCUMENT View Document
4 Dec. 1, 2020 PRIMARY DOCUMENT View Document
4 Nov. 25, 2020 PRIMARY DOCUMENT View Document
8-K Nov. 19, 2020 FORM 8-K View Document
425 Nov. 19, 2020 FORM 8-K View Document
4 Nov. 18, 2020 PRIMARY DOCUMENT View Document
4 Nov. 13, 2020 PRIMARY DOCUMENT View Document
8-K Nov. 13, 2020 FORM 8-K View Document
424B3 Nov. 12, 2020 424B3 View Document
EFFECT Nov. 10, 2020 - View Document
4 Nov. 10, 2020 PRIMARY DOCUMENT View Document
CORRESP Nov. 9, 2020 - View Document
425 Nov. 6, 2020 FORM 8-K View Document
S-4/A Nov. 6, 2020 S-4/A View Document
8-K Nov. 6, 2020 8-K View Document
425 Nov. 5, 2020 FORM 8-K View Document
8-K Nov. 5, 2020 FORM 8-K View Document
UPLOAD Nov. 5, 2020 - View Document
4 Nov. 4, 2020 PRIMARY DOCUMENT View Document
SC 13G/A Nov. 4, 2020 TZAC 13GA View Document
4 Nov. 3, 2020 PRIMARY DOCUMENT View Document
S-4/A Nov. 3, 2020 S-4/A View Document
CORRESP Nov. 2, 2020 - View Document
425 Oct. 27, 2020 FORM 8-K View Document
8-K Oct. 27, 2020 FORM 8-K View Document
8-K Oct. 22, 2020 FORM 8-K View Document
425 Oct. 22, 2020 FORM 8-K View Document
UPLOAD Oct. 16, 2020 - View Document
10-Q Oct. 14, 2020 FORM 10-Q View Document
SC 13G Oct. 13, 2020 - View Document
425 Oct. 6, 2020 425 View Document
S-4/A Oct. 6, 2020 S-4/A View Document
8-K Oct. 6, 2020 FORM 8-K View Document
CORRESP Oct. 5, 2020 - View Document
4 Oct. 1, 2020 PRIMARY DOCUMENT View Document
8-K Sept. 25, 2020 FORM 8-K View Document
4 Sept. 21, 2020 PRIMARY DOCUMENT View Document
4 Sept. 16, 2020 PRIMARY DOCUMENT View Document
425 Sept. 14, 2020 FORM 8-K View Document
8-K Sept. 14, 2020 FORM 8-K View Document
DEFA14A Sept. 14, 2020 DEFA14A View Document
3 Sept. 11, 2020 PRIMARY DOCUMENT View Document
UPLOAD Sept. 11, 2020 - View Document
DEF 14A Sept. 9, 2020 DEF 14A View Document
PRE 14A Aug. 25, 2020 PRE 14A View Document
8-K Aug. 18, 2020 FORM 8-K View Document
S-4 Aug. 12, 2020 S-4 View Document
8-K July 29, 2020 FORM 8-K View Document
425 July 29, 2020 425 View Document
8-K July 29, 2020 FORM 8-K View Document
8-K July 24, 2020 FORM 8-K View Document
425 July 24, 2020 FORM 8-K View Document
8-K July 21, 2020 FORM 8-K View Document
425 July 21, 2020 FORM 8-K View Document
10-Q July 7, 2020 FORM 10-Q View Document
8-K May 21, 2020 FORM 8-K View Document
3 May 15, 2020 PRIMARY DOCUMENT View Document
4 May 15, 2020 PRIMARY DOCUMENT View Document
DEF 14A May 6, 2020 DEF 14A View Document
10-K May 4, 2020 FORM 10-K View Document
PRE 14A April 21, 2020 PRE 14A View Document
8-K Feb. 18, 2020 FORM 8-K View Document
SC 13G Feb. 14, 2020 SCHEDULE 13G View Document
8-K Feb. 14, 2020 FORM 8-K View Document
SC 13G/A Feb. 13, 2020 - View Document
DEF 14A Feb. 6, 2020 DEFINITIVE PROXY STATEMENT View Document
PRE 14A Jan. 16, 2020 PRE 14A View Document
10-Q Jan. 10, 2020 FORM 10-Q View Document
10-Q Oct. 8, 2019 FORM 10-Q View Document
10-Q July 3, 2019 FORM 10-Q View Document
10-K May 22, 2019 FORM 10-K View Document
SC 13G April 2, 2019 - View Document
SC 13G Feb. 14, 2019 - View Document
SC 13G/A Feb. 13, 2019 - View Document
SC 13G Feb. 5, 2019 TZACU 13G View Document
10-Q Jan. 9, 2019 10-Q View Document
8-K Oct. 17, 2018 FORM 8-K View Document
10-Q Oct. 11, 2018 10-Q View Document
8-K Sept. 5, 2018 FORM 8-K View Document
4 Sept. 4, 2018 OWNERSHIP DOCUMENT View Document
SC 13D Sept. 4, 2018 SC 13D View Document
4 Sept. 4, 2018 OWNERSHIP DOCUMENT View Document
4 Sept. 4, 2018 OWNERSHIP DOCUMENT View Document
8-K Aug. 29, 2018 FORM 8-K View Document
3 Aug. 28, 2018 - View Document
SC 13G Aug. 28, 2018 - View Document
8-K Aug. 24, 2018 8-K View Document
4 Aug. 24, 2018 FORM 4 View Document
4 Aug. 24, 2018 FORM 4 View Document
4 Aug. 24, 2018 FORM 4 View Document
424B4 Aug. 22, 2018 PROSPECTUS View Document
8-A12B Aug. 20, 2018 8-A12B View Document
3 Aug. 20, 2018 FORM 3 View Document
3 Aug. 20, 2018 OWNERSHIP DOCUMENT View Document
3 Aug. 20, 2018 OWNERSHIP DOCUMENT View Document
3 Aug. 20, 2018 OWNERSHIP DOCUMENT View Document
EFFECT Aug. 20, 2018 - View Document
3 Aug. 20, 2018 FORM 3 View Document
3 Aug. 20, 2018 FORM 3 View Document
3 Aug. 20, 2018 FORM 3 View Document
3 Aug. 20, 2018 FORM 3 View Document
S-1MEF Aug. 20, 2018 S-1MEF View Document
CORRESP Aug. 20, 2018 - View Document
CORRESP Aug. 20, 2018 - View Document
CERT Aug. 20, 2018 - View Document
S-1/A Aug. 16, 2018 AMENDMENT NO. 2 TO FORM S-1 View Document
S-1/A Aug. 6, 2018 S-1/A View Document
CORRESP July 20, 2018 - View Document
S-1 July 20, 2018 S-1 View Document
UPLOAD July 16, 2018 - View Document
DRS June 19, 2018 - View Document