Documents
| Period end | Filed | Form | Read here | EDGAR |
|---|---|---|---|---|
| 2026-04-30 | 2026-08-19 | 10-K | read · risk factors · MD&A | index · original · 0001493152-26-039261 |
| 2025-04-30 | 2025-07-24 | 10-K | read · risk factors · MD&A | index · original · 0001641172-25-020888 |
| 2024-04-30 | 2024-07-25 | 10-K | read · risk factors · MD&A | index · original · 0001493152-24-029074 |
| 2023-04-30 | 2023-07-28 | 10-K | read · risk factors · MD&A | index · original · 0001493152-23-025878 |
| 2022-04-30 | 2022-07-13 | 10-K | read · risk factors · MD&A | index · original · 0001493152-22-019173 |
| 2021-04-30 | 2021-07-19 | 10-K | read · risk factors · MD&A | index · original · 0001493152-21-017188 |
▾Risk registerwhich risk-factor headings appeared in which year
Descriptive and within-name: this is what changed in the wording of one firm's own filings.
A register needs two comparable years of risk-factor headings; 0 of the 6 cached 10-Ks for OPTT produced any.
2021-04-30: Item 1A could not be bounded safely in this filing, so nothing is read from it. The item extractor suppresses a section whose boundaries are doubtful rather than report a mis-bounded one — a wrong section is a wrong reading.
2022-04-30: Item 1A could not be bounded safely in this filing, so nothing is read from it. The item extractor suppresses a section whose boundaries are doubtful rather than report a mis-bounded one — a wrong section is a wrong reading.
2023-04-30: Item 1A could not be bounded safely in this filing, so nothing is read from it. The item extractor suppresses a section whose boundaries are doubtful rather than report a mis-bounded one — a wrong section is a wrong reading.
2024-04-30: Item 1A could not be bounded safely in this filing, so nothing is read from it. The item extractor suppresses a section whose boundaries are doubtful rather than report a mis-bounded one — a wrong section is a wrong reading.
2025-04-30: Item 1A could not be bounded safely in this filing, so nothing is read from it. The item extractor suppresses a section whose boundaries are doubtful rather than report a mis-bounded one — a wrong section is a wrong reading.
2026-04-30: Item 1A could not be bounded safely in this filing, so nothing is read from it. The item extractor suppresses a section whose boundaries are doubtful rather than report a mis-bounded one — a wrong section is a wrong reading.
The filer's own 10-K text · 6 filings read
Rows are the filing's own headings, verbatim — nothing is summarized or generated.
A blank cell means the filer did not print that heading that year — not that the risk ended.
Gates: 5+ captions · 50% of Item 1A · match at Jaccard 0.6.
▾Filing languagedocument length, negation and hedging — chart it against price on GRAPH
6 filings measured
Descriptive and within-name: this is what changed in the wording of one firm's own filings.
| Filed | Period end | Document words | Item 1A words | Negation / 10k | Hedging / 10k | Filing |
|---|---|---|---|---|---|---|
| 2021-07-19 | 2021-04-30 | 37,245 | — | 64.44 | 176.67 | read · EDGAR ↗ |
| 2022-07-13 | 2022-04-30 | 42,418 | — | 60.82 | 151.59 | read · EDGAR ↗ |
| 2023-07-28 | 2023-04-30 | 38,655 | — | 59.24 | 172.03 | read · EDGAR ↗ |
| 2024-07-25 | 2024-04-30 | 39,317 | — | 64.6 | 172.95 | read · EDGAR ↗ |
| 2025-07-24 | 2025-04-30 | 44,137 | — | 65.48 | 153.16 | read · EDGAR ↗ |
| 2026-08-19 | 2026-04-30 | 46,974 | — | 61.52 | 160.73 | read · EDGAR ↗ |
plot against the price on GRAPH: Document length · Item 1A length · Negation per 10k words · Hedging per 10k words
The filer's own 10-K text · 6 filings measured
House wordlists, not a licensed dictionary and not tuned against returns.
9 negation words · 40 hedging words — hover to read both lists.
Each point sits at its filing date and is held flat until the next filing.