ZSTK
ZeroStack Corp.Price
Daily candles with volume. Pins mark insider trades, rating changes, 13F stakes, reports, catalysts and short-interest jumps.
- B Jul 20 1 insider buy $3.5M at $0.7549
- X Jul 31 Short interest falls 35.2% to 28.0K
- S Aug 19 1 insider sell $7.6K at $7.57
- R Aug 19 ZeroStack Corp. completed a transformative transaction, acquiring 92…
- E Aug 25 Trading halt: Halt Resumed: ZSTK — trading resumed after LUDP (Volatilit…
- X Aug 31 Short interest jumps 347.6% to 119.0K
- R Sep 3 ZeroStack Corp. (ZSTK) received SEC effectiveness on September 2, 20…
- X Oct 15 Short interest falls 28.6% to 69.3K
Signal stack
Where each data set points today.
- InsidersBULLISH
1 insider bought $3.5M. 1 insider sold $7.6K.
- InstitutionsMIXED
Q2 2026: 0 added (0 new), 2 trimmed or exited.
- Short sellersCOVERING
Short interest −28.6% to 69.3K shares. 3.7 days to cover, ≈0.3% of shares.
- TrendDOWNTREND
33% below its 50-day average.
Who's buying
13F· Q2 2026| Fund | Move | Value |
|---|---|---|
| UBS Group AG | TRIM | $1.3K |
| MORGAN STANLEY | NEAR_EXIT | $21.00 |
Quarterly 13F filings are due 45 days after each quarter ends.
The Street
Price is below the lowest target. Median implies +264%.Targets as of Oct 27, 2026.
Insider ledger
Form 4| Date | Insider | Type | Value |
|---|---|---|---|
| Aug 19, 2026 | Rong Rudy President | SELL | $7.6K |
| Jul 20, 2026 | Heinrich Michael Executive Chairman | AWARD | 500,000 sh |
| Jul 20, 2026 | Heinrich Michael Executive Chairman | BUY | $3.5M |
| Jul 20, 2026 | Reis-Faria Daniel CEO | EXERCISE | $150.0M |
| Jul 20, 2026 | Reis-Faria Daniel CEO | AWARD | 500,000 sh |
| Jul 20, 2026 | Reis-Faria Daniel CEO | EXERCISE | $595.47 |
| Jul 20, 2026 | Vaiman Dany CFO | AWARD | 250,000 sh |
| May 5, 2026 | LEVENTHAL MANFRED Director | AWARD | 35,000 sh |
Earnings setup
Estimates| Period | EPS est. | Range | 30D rev. | Revenue |
|---|---|---|---|---|
| Current Q | -$0.12 | -$0.12–-$0.12 | — | $7.4M |
| Next Q | -$0.12 | -$0.12–-$0.12 | — | $7.5M |
| Current FY | -$4.02 | -$4.02–-$4.02 | — | $29.5M |
| Next FY | — | — | — | $0.00 |
Short side
FINRA· Oct 15, 2026| Aug 25, 2026 | Volatility Pause | Resumed |
| Aug 21, 2026 | Volatility Pause | Resumed |
| Aug 20, 2026 | Volatility Pause | Resumed |
| Aug 19, 2026 | Volatility Pause | Resumed |
| Aug 19, 2026 | Volatility Pause | Resumed |
SecBot reports
7 filings · 0 bullish · 2 bearish · 2 mixed · 3 neutral- NEUTRAL SC 13GOct 19, 2026
Hack VC Management, LLC and affiliated entities filed a Schedule 13G disclosing aggregate…
Monitor for any future conversion of this 13G to a 13D, which would signal activist intent. The 8.6% stake is significant but passive — no immediate catalyst. Track any additional purchases or sales…
- NEUTRAL EFFECTSep 16, 2026
ZeroStack Corp. (ZSTK) received SEC effectiveness on September 15, 2026, for its shelf…
Monitor for any subsequent prospectus supplement or takedown notice that would signal an actual offering. The shelf's activation is a prerequisite for future capital raises but does not itself…
- BEARISH EFFECTSep 3, 2026
ZeroStack Corp. (ZSTK) received SEC effectiveness on September 2, 2026, for four separate shelf…
The simultaneous effectiveness of four shelf registrations signals a high likelihood of near-term capital raising. Traders should watch for a prospectus supplement or takedown announcement, which…
- MIXED 8-KAug 19, 2026
ZeroStack Corp. completed a transformative transaction, acquiring 925,925,926 MemeCore ($M) tokens…
This is a binary event: the $1B token acquisition at a massive premium is a strong near-term catalyst, but the potential for massive future dilution (up to 36M+ shares) and the appointment of the…
All ZSTK filing & press-release reports (7)
- SC 13G reportOct 19, 2026
- EFFECT reportSep 16, 2026
- EFFECT reportSep 3, 2026
- 8-K reportAug 19, 2026
- 8-K reportJul 20, 2026
- EFFECT reportJun 18, 2026
- S-4 reportJun 10, 2026