UPTD SEC filings, in plain English
Everything TradeUP Acquisition Corp. has filed with the SEC that we hold — 40 filings, newest first, 4 with a plain-English summary of what changed and why it matters. Every row links to the primary document on EDGAR, so you can check the source rather than trust us.
The feed
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What changed: Estrella Immunopharma, Inc. filed an 8-K on August 21, 2026, reporting that Nasdaq notified the company on August 17, 2026, of non-compliance with the $1.00 minimum bid price requirement due to closing prices below that threshold for 30 consecutive business days from July 6 through August 14, 2026. Why it matters: Investors should note that while trading continues under symbol ESLA, the company has an initial compliance period until February 16, 2027, to restore the stock price above $1.00 for ten consecutive days or implement a reverse stock split, otherwise facing potential delisting.
What changed: Q2 2026 10-Q of Estrella Immunopharma, Inc. (Nasdaq: ESLA). Cash and equivalents fell to $146,670 at June 30, 2026 from $1,384,302 at December 31, 2025, and total assets to $1,824,681 from $3,176,975. Total current liabilities fell to $9,256,014 from $13,543,033, principally because the related-party accrued liability fell to $8,304,999 from $12,393,333, while derivative liabilities rose to $687,224 from $356,505. The stockholders' deficit narrowed to $(7,431,333) from $(10,366,058) and the accumulated deficit is $41,589,218. Why it matters: Cash of $146,670 stands against $9.26 million of current liabilities, of which $8.30 million is owed to a related party. R&D spending, almost all of it paid to that related party, fell about 70% year over year.
going-concern doubtnothing moved · 1 with no prior record of ours
- Going-concern doubt
- stated · unchanged
The clause …“Stockholders, thereby regaining compliance with Nasdaq Listing Rule 5620(a). Going Concern In assessing the Company’s liquidity and the substantial doubt about its ability to continue as a going concern, the Company monitors and”…
Read from stored SEC filing text by a regex — no model is involved — and each side links to the filing it came from. “Not previously extracted” is a statement about our record, not about the company: the clause may be present in wording we do not match.
What changed: Estrella Immunopharma, Inc., successor to TradeUP Acquisition Corp., reported the results of its combined 2025/2026 annual meeting held virtually on June 29, 2026. Of 43,034,228 shares outstanding on the May 20, 2026 record date, holders of 30,351,608 were present or represented, about 70.5%. One proposal was put: stockholders ratified Macias Gini O'Connell LLP as independent registered public accounting firm for the year ending December 31, 2026, with 30,351,203 for, 400 against, 5 abstaining and no broker non-votes. Why it matters: A single-proposal annual meeting ratifying an auditor changes nothing about the company's obligations or capital. It is recorded for the governance history and as confirmation of who audits the accounts.
What changed: Estrella Immunopharma, Inc., successor to TradeUP Acquisition Corp., called a combined 2025/2026 annual meeting for June 29, 2026 at 10:00 a.m. ET, record date May 20, 2026, with 43,034,228 shares outstanding on the record date. Business is limited to ratifying the independent registered public accounting firm for the year ending December 31, 2026 and any other properly brought business; a quorum requires a majority in voting power of outstanding shares. A stockholder list is available for examination from June 19, 2026. Why it matters: No trust, deadline or redemption right remains for UPTD holders. Combining the 2025 and 2026 annual meetings into one mid-2026 event means the company skipped an annual meeting cycle, which is usually a cost and bandwidth signal at a small-cap issuer rather than a governance dispute. The 43,034,228 share count is the base against which any future financing dilution should be measured.
trust account, combination deadlinenothing moved · 2 with no prior record of ours
- Trust account
- $9.7Mnot matched in this filing
- Combination deadline
- 2024-07-14not matched in this filing
Read from stored SEC filing text by a regex — no model is involved — and each side links to the filing it came from. “Not previously extracted” is a statement about our record, not about the company: the clause may be present in wording we do not match.
- What changed vs 2025-11-12going concern APPEARED
going-concern doubt1 moved
- Going-concern doubt
- not statedstated
SpacBrain reads this as the substantial-doubt sentence is in this filing and not in the previous one.
The clause …“hold a joint 2025/2026 annual meeting of shareholders prior to such deadline. Going Concern In assessing the Company’s liquidity and the substantial doubt about its ability to continue as a going concern, the Company monitors and”…
Read from stored SEC filing text by a regex — no model is involved — and each side links to the filing it came from. “Not previously extracted” is a statement about our record, not about the company: the clause may be present in wording we do not match.
going-concern doubtnothing moved · 1 with no prior record of ours
- Going-concern doubt
- stated · unchanged
The clause …“equivalents. ● Our recurring losses and need for additional financing raise substantial doubt about our ability to continue as a going concern. If we are unable to obtain sufficient funding, we may be forced to delay, reduce, or”…
Read from stored SEC filing text by a regex — no model is involved — and each side links to the filing it came from. “Not previously extracted” is a statement about our record, not about the company: the clause may be present in wording we do not match.
In plain English
Redemption deadlinethe last day to hand shares back for cash
Set by the filing that calls the meeting. Tender after it and the company is under no obligation to pay you the trust value.
Cash in trust / trust per sharethe cash the company is holding for each public share
Filed quarterly in the 10-Q's XBRL. It earns interest between filings, so the figure on a given day is slightly higher than the last filed one — where we show that we label it an estimate.
Accession numberthe SEC's unique id for one filing
Every figure on this page carries the accession of the filing that states it, so you can open the primary document rather than trust us.