Day Christopher
CIK 0001558685 Name as filed on the most recent filing
Filed as Day Christopher (118)
147 transaction lines · from 118 filings · filed 2013-06-12 to 2025-06-20 The span is the filing dates this catalog holds, not the entity's full filing history. Absence here is not evidence of absence at the SEC.
A line appears here when the filing that carries it names this CIK as a reporting owner, not only when the parser picked this CIK as the line's primary owner. That is why a joint filing appears on both owners' pages rather than vanishing from the second one. The catalog never merges two CIKs into one person and never splits one CIK into two: identity here is the SEC's own identifier and nothing else.
Issuers this insider has filed against
Ordered by last-seen filing date, newest first. Roles are as filed on the Form 4 and are not normalised.
This container could not be filled from the store. It is showing nothing because a read failed, not because no insider filed: those are different facts and this catalog will not let one stand in for the other. The last ingest the store recorded was 2026-08-20 05:22 UTC.
No issuer is recorded
The catalog holds no filing linking this CIK to an issuer.
Transactions
Every stored Form 4 line naming this reporting owner, newest transaction date first. Each row links to the filing it came from.
147 transactions · Newest transaction date first, id breaking the tie.
This container could not be filled from the store. It is showing nothing because a read failed, not because no insider filed: those are different facts and this catalog will not let one stand in for the other. The last ingest the store recorded was 2026-08-20 05:22 UTC.
| Direction | Date | Issuer | Code | Shares | Price | Value USD | Filing |
|---|---|---|---|---|---|---|---|
| 2025-06-17 |
Ambarella Inc AMBA |
S, Open-market sale | 342 disposed | 52.26 | 17,872.92 | Form 4, filing 0001280263-25-000029 | |
| 2025-03-18 |
Ambarella Inc AMBA |
S, Open-market sale | 479 disposed | 55.02 | 26,354.58 | Form 4, filing 0001280263-25-000022 | |
| 2025-03-06 |
Ambarella Inc AMBA |
S, Open-market sale | 834 disposed | 55.11 | 45,961.74 | Form 4, filing 0001280263-25-000015 | |
| 2025-01-03 |
Ambarella Inc AMBA |
S, Open-market sale | 1,247 disposed | 78.10 | 97,394.32 | Form 4, filing 0001280263-25-000002 | |
| 2024-12-18 |
Ambarella Inc AMBA |
S, Open-market sale | 848 disposed | 75.40 | 63,939.20 | Form 4, filing 0001280263-24-000065 | |
| 2024-12-18 |
Ambarella Inc AMBA |
S, Open-market sale | 81 disposed | 75.41 | 6,108.15 | Form 4, filing 0001280263-24-000065 | |
| 2024-12-16 |
Ambarella Inc AMBA |
S, Open-market sale | 482 disposed | 75.41 | 36,347.62 | Form 4, filing 0001280263-24-000063 | |
| 2024-12-02 |
Ambarella Inc AMBA |
S, Open-market sale | 1,278 disposed | 71.61 | 91,511.32 | Form 4, filing 0001280263-24-000055 | |
| 2024-10-03 |
Ambarella Inc AMBA |
S, Open-market sale | 2,904 disposed | 58.00 | 168,432.00 | Form 4, filing 0001280263-24-000053 | |
| 2024-09-17 |
Ambarella Inc AMBA |
S, Open-market sale | 483 disposed | 53.54 | 25,859.82 | Form 4, filing 0001280263-24-000049 | |
| 2024-07-08 |
Ambarella Inc AMBA |
S, Open-market sale | 1,408 disposed | 61.66 | 86,817.28 | Form 4, filing 0001280263-24-000035 | |
| 2024-06-18 |
Ambarella Inc AMBA |
S, Open-market sale | 487 disposed | 55.48 | 27,018.76 | Form 4, filing 0001280263-24-000030 | |
| 2024-03-18 |
Ambarella Inc AMBA |
S, Open-market sale | 416 disposed | 49.27 | 20,496.32 | Form 4, filing 0001280263-24-000021 | |
| 2024-03-08 |
Ambarella Inc AMBA |
S, Open-market sale | 302 disposed | 57.16 | 17,262.32 | Form 4, filing 0001280263-24-000015 | |
| 2023-12-19 |
Ambarella Inc AMBA |
S, Open-market sale | 360 disposed | 63.04 | 22,694.40 | Form 4, filing 0001280263-23-000070 | |
| 2023-09-18 |
Ambarella Inc AMBA |
S, Open-market sale | 351 disposed | 57.30 | 20,112.30 | Form 4, filing 0001280263-23-000062 | |
| 2023-07-12 |
Ambarella Inc AMBA |
S, Open-market sale | 2,285 disposed | 82.50 | 188,522.78 | Form 4, filing 0001280263-23-000050 | |
| 2023-06-20 |
Ambarella Inc AMBA |
S, Open-market sale | 354 disposed | 84.80 | 30,019.20 | Form 4, filing 0001280263-23-000047 | |
| 2023-06-13 |
Ambarella Inc AMBA |
S, Open-market sale | 3,000 disposed | 86.94 | 260,824.20 | Form 4, filing 0001280263-23-000035 | |
| 2023-06-09 |
Ambarella Inc AMBA |
S, Open-market sale | 4,286 disposed | 82.97 | 355,616.71 | Form 4, filing 0001280263-23-000034 | |
| 2023-04-13 |
Ambarella Inc AMBA |
S, Open-market sale | 3,675 disposed | 69.24 | 254,457.00 | Form 4, filing 0001280263-23-000031 | |
| 2023-03-17 |
Ambarella Inc AMBA |
S, Open-market sale | 2,420 disposed | 76.85 | 185,977.00 | Form 4, filing 0001280263-23-000022 | |
| 2023-03-09 |
Ambarella Inc AMBA |
S, Open-market sale | 358 disposed | 82.25 | 29,445.50 | Form 4, filing 0001280263-23-000009 | |
| 2022-12-20 |
Ambarella Inc AMBA |
S, Open-market sale | 2,214 disposed | 81.57 | 180,595.98 | Form 4, filing 0001280263-22-000102 | |
| 2022-12-20 |
Ambarella Inc AMBA |
S, Open-market sale | 238 disposed | 81.82 | 19,473.16 | Form 4, filing 0001280263-22-000102 | |
| 2022-12-16 |
Ambarella Inc AMBA |
S, Open-market sale | 663 disposed | 83.77 | 55,539.51 | Form 4, filing 0001280263-22-000102 | |
| 2022-12-14 |
Ambarella Inc AMBA |
S, Open-market sale | 2,000 disposed | 90.82 | 181,640.00 | Form 4, filing 0001280263-22-000091 | |
| 2022-12-14 |
Ambarella Inc AMBA |
S, Open-market sale | 333 disposed | 90.82 | 30,244.63 | Form 4, filing 0001280263-22-000091 | |
| 2022-09-16 |
Ambarella Inc AMBA |
S, Open-market sale | 670 disposed | 63.25 | 42,377.50 | Form 4, filing 0001280263-22-000081 | |
| 2022-06-16 |
Ambarella Inc AMBA |
S, Open-market sale | 704 disposed | 66.27 | 46,654.08 | Form 4, filing 0001280263-22-000063 | |
| 2022-03-16 |
Ambarella Inc AMBA |
S, Open-market sale | 7,405 disposed | 91.20 | 675,336.00 | Form 4, filing 0001280263-22-000031 | |
| 2022-03-14 |
Ambarella Inc AMBA |
S, Open-market sale | 713 disposed | 84.42 | 60,191.46 | Form 4, filing 0001280263-22-000024 | |
| 2021-12-27 |
Ambarella Inc AMBA |
S, Open-market sale | 724 disposed | 205.00 | 148,420.00 | Form 4, filing 0001280263-21-000159 | |
| 2021-12-16 |
Ambarella Inc AMBA |
S, Open-market sale | 890 disposed | 188.86 | 168,085.40 | Form 4, filing 0001280263-21-000147 | |
| 2021-12-07 |
Ambarella Inc AMBA |
S, Open-market sale | 2,522 disposed | 205.00 | 517,010.00 | Form 4, filing 0001280263-21-000126 | |
| 2021-12-07 |
Ambarella Inc AMBA |
S, Open-market sale | 781 disposed | 219.20 | 171,195.20 | Form 4, filing 0001280263-21-000126 | |
| 2021-12-07 |
Ambarella Inc AMBA |
S, Open-market sale | 193 disposed | 198.00 | 38,214.00 | Form 4, filing 0001280263-21-000126 | |
| 2021-12-03 |
Ambarella Inc AMBA |
S, Open-market sale | 832 disposed | 192.69 | 160,318.08 | Form 4, filing 0001280263-21-000119 | |
| 2021-06-29 |
Ambarella Inc AMBA |
S, Open-market sale | 786 disposed | 108.00 | 84,888.00 | Form 4, filing 0001280263-21-000067 | |
| 2021-06-16 |
Ambarella Inc AMBA |
S, Open-market sale | 1,445 disposed | 101.39 | 146,508.55 | Form 4, filing 0001280263-21-000061 | |
| 2021-06-14 |
Ambarella Inc AMBA |
S, Open-market sale | 1,412 disposed | 105.00 | 148,260.00 | Form 4, filing 0001280263-21-000046 | |
| 2021-03-31 |
Ambarella Inc AMBA |
S, Open-market sale | 285 disposed | 99.82 | 28,447.90 | Form 4, filing 0001280263-21-000042 | |
| 2021-03-17 |
Ambarella Inc AMBA |
S, Open-market sale | 2,585 disposed | 108.00 | 279,180.00 | Form 4, filing 0001280263-21-000023 | |
| 2021-03-17 |
Ambarella Inc AMBA |
S, Open-market sale | 2,000 disposed | 112.00 | 224,000.00 | Form 4, filing 0001280263-21-000023 | |
| 2021-03-16 |
Ambarella Inc AMBA |
S, Open-market sale | 5,616 disposed | 112.00 | 628,992.00 | Form 4, filing 0001280263-21-000023 | |
| 2021-03-11 |
Ambarella Inc AMBA |
S, Open-market sale | 498 disposed | 118.00 | 58,764.00 | Form 4, filing 0001280263-21-000012 | |
| 2021-03-09 |
Ambarella Inc AMBA |
S, Open-market sale | 350 disposed | 109.70 | 38,395.00 | Form 4, filing 0001280263-21-000012 | |
| 2020-12-17 |
Ambarella Inc AMBA |
S, Open-market sale | 1,642 disposed | 89.68 | 147,255.55 | Form 4, filing 0001280263-20-000153 | |
| 2020-12-16 |
Ambarella Inc AMBA |
S, Open-market sale | 1,237 disposed | 91.30 | 112,935.87 | Form 4, filing 0001280263-20-000153 | |
| 2020-12-16 |
Ambarella Inc AMBA |
S, Open-market sale | 908 disposed | 90.25 | 81,947.00 | Form 4, filing 0001280263-20-000153 |
This column is intentionally blank
No transaction line is stored for this reporting owner, though the catalog holds filings naming them. That happens when the filings report only holdings or only positions the store does not carry, and when a parse failed; each filing page states its own parse status.
- S, Open-market sale
- Open-market sale
Every value is as reported on the Form 4. A price the filing did not report is marked Not reported and no value is computed from it. Codes outside the open market, drawn in grey behind a dashed rule, are compensation and administrative machinery rather than a decision to trade at the prevailing price.
What this insider's stored lines contain
Exact counts over every stored line for this entity. This is a statement of composition, not a filter: the only filter this page offers is the open-market one above, because that is the only one an index serves today.
- Open-market purchase 0
- Open-market sale 147
- Option exercise 0
- Grant or award 0
- Tax withholding 0
- Disposition to the issuer 0
- In-the-money option exercise 0
How to cite this page
ebomi catalog. Day Christopher, insider transactions. Retrieved 2026-08-20 from https://ebomi.com/insider/0001558685
Balogh, A. Insider trading. Scientific Data 10, 237 (2023) doi:10.1038/s41597-023-02147-6