REVIVA PHARMACEUTICALS HOLDINGS, INC. — All Filings
395 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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10-K
10-K/A
10-Q
25-NSE
3
4
424B3
424B4
424B5
425
8-A12B
8-K
8-K/A
ARS
CERT
CORRESP
D
DEF 14A
DEFA14A
DRS
EFFECT
NT 10-K
POS AM
POS EX
PRE 14A
S-1
S-1/A
S-1MEF
S-3
S-4
S-4/A
S-8
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13D/A
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| UPLOAD | — | 0000000000-20-010592 | Nov 5, 2020 | — |
| 425 | FORM 8-K | 0001104659-20-121478 | Nov 5, 2020 | — |
| 4 | PRIMARY DOCUMENT | 0001076809-20-000213 | Nov 4, 2020 | Nov 2, 2020 |
| SC 13G/A | TZAC 13GA | 0001393825-20-000133 | Nov 4, 2020 | — |
| 4 | PRIMARY DOCUMENT | 0001393825-20-000131 | Nov 3, 2020 | Mar 20, 2020 |
| S-4/A | S-4/A | 0001104659-20-120670 | Nov 3, 2020 | — |
| CORRESP | — | 0001104659-20-120671 | Nov 2, 2020 | — |
| 8-K | FORM 8-K | 0001104659-20-118598 | Oct 27, 2020 | Oct 22, 2020 |
| 425 | FORM 8-K | 0001104659-20-118599 | Oct 27, 2020 | — |
| 425 | FORM 8-K | 0001104659-20-117008 | Oct 22, 2020 | — |
| 8-K | FORM 8-K | 0001104659-20-117007 | Oct 22, 2020 | Oct 21, 2020 |
| UPLOAD | — | 0000000000-20-009817 | Oct 16, 2020 | — |
| 10-Q | FORM 10-Q | 0001104659-20-114968 | Oct 14, 2020 | Aug 31, 2020 |
| SC 13G | — | 0001076809-20-000178 | Oct 13, 2020 | — |
| 425 | 425 | 0001104659-20-112433 | Oct 6, 2020 | — |
| 8-K | FORM 8-K | 0001104659-20-112431 | Oct 6, 2020 | — |
| S-4/A | S-4/A | 0001104659-20-112359 | Oct 6, 2020 | — |
| CORRESP | — | 0001104659-20-112361 | Oct 5, 2020 | — |
| 4 | PRIMARY DOCUMENT | 0001076809-20-000171 | Oct 1, 2020 | — |
| 8-K | FORM 8-K | 0001104659-20-108939 | Sep 25, 2020 | — |
| 4 | PRIMARY DOCUMENT | 0001076809-20-000162 | Sep 21, 2020 | Sep 17, 2020 |
| 4 | PRIMARY DOCUMENT | 0001076809-20-000158 | Sep 16, 2020 | Sep 14, 2020 |
| 425 | FORM 8-K | 0001104659-20-104852 | Sep 14, 2020 | — |
| 8-K | FORM 8-K | 0001104659-20-104851 | Sep 14, 2020 | — |
| DEFA14A | DEFA14A | 0001104659-20-104853 | Sep 14, 2020 | — |
| UPLOAD | — | 0000000000-20-008599 | Sep 11, 2020 | — |
| 3 | PRIMARY DOCUMENT | 0001076809-20-000154 | Sep 11, 2020 | Sep 1, 2020 |
| DEF 14A | DEF 14A | 0001104659-20-103469 | Sep 9, 2020 | Sep 24, 2020 |
| PRE 14A | PRE 14A | 0001104659-20-098396 | Aug 25, 2020 | Sep 24, 2020 |
| 8-K | FORM 8-K | 0001104659-20-096546 | Aug 18, 2020 | — |
| S-4 | S-4 | 0001104659-20-094004 | Aug 12, 2020 | — |
| 425 | 425 | 0001104659-20-087696 | Jul 29, 2020 | — |
| 8-K | FORM 8-K | 0001104659-20-087859 | Jul 29, 2020 | Jul 24, 2020 |
| 8-K | FORM 8-K | 0001104659-20-087685 | Jul 29, 2020 | — |
| 8-K | FORM 8-K | 0001104659-20-086490 | Jul 24, 2020 | Jul 20, 2020 |
| 425 | FORM 8-K | 0001104659-20-086491 | Jul 24, 2020 | — |
| 8-K | FORM 8-K | 0001104659-20-085054 | Jul 21, 2020 | — |
| 425 | FORM 8-K | 0001104659-20-085055 | Jul 21, 2020 | — |
| 10-Q | FORM 10-Q | 0001104659-20-081769 | Jul 7, 2020 | May 31, 2020 |
| 8-K | FORM 8-K | 0001104659-20-064743 | May 21, 2020 | — |
| 3 | PRIMARY DOCUMENT | 0000812291-20-000005 | May 15, 2020 | May 7, 2020 |
| 4 | PRIMARY DOCUMENT | 0000812291-20-000006 | May 15, 2020 | May 8, 2020 |
| DEF 14A | DEF 14A | 0001104659-20-057470 | May 6, 2020 | May 21, 2020 |
| 10-K | FORM 10-K | 0001104659-20-055760 | May 4, 2020 | Feb 29, 2020 |
| PRE 14A | PRE 14A | 0001104659-20-049026 | Apr 21, 2020 | — |
| 8-K | FORM 8-K | 0001104659-20-022437 | Feb 18, 2020 | — |
| 8-K | FORM 8-K | 0001104659-20-021688 | Feb 14, 2020 | Feb 10, 2020 |
| SC 13G/A | — | 0001357550-20-000035 | Feb 13, 2020 | — |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001104659-20-011895 | Feb 6, 2020 | Feb 18, 2020 |
| PRE 14A | PRE 14A | 0001104659-20-004788 | Jan 16, 2020 | — |