Hudson Bay Capital Management LP
CIK 1393825 · last filed 2023-08-24
Hudson Bay Capital Management LP is a corporate insider who has filed 22 SEC Form 4 insider transactions across 12 companies since 2015. The most recent filing, for MACAW, was dated Aug 24, 2023. Across all open-market trades the lifetime net is −$2.9M, making them a net seller over the disclosed history. The firm reports its address in Stamford, CT. 66 SEC filings were submitted jointly with Sander Gerber.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
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Disclosed Exposure
$0
Companies
12
Total Filings
22
Lifetime Open-Market Net
-$2.88M
Filer Profile
Reported Address
290 HARBOR DR3RD FLOOR
STAMFORD, CT 06902
Phone
(212) 571-1244
State of Incorporation
DE
Formerly Known As
Hudson Bay Capital Management, L.P. (2007–2011)
Related Filers
Sander Gerber — 66 joint filings, latest 2023-09-14
Hudson Bay Credit Management LLC — 7 joint filings, latest 2015-10-19
HWH International Inc. — 6 joint filings, latest 2026-05-08
Hudson Bay Master Fund Ltd. — 5 joint filings, latest 2024-08-30
INPIXON — 5 joint filings, latest 2023-02-09
Red Cat Holdings, Inc. — 4 joint filings, latest 2019-01-31
AMERICAN NOBLE GAS, INC. — 3 joint filings, latest 2020-02-06
BIMI Holdings Inc. — 3 joint filings, latest 2022-03-03
Profile details as reported on the filer's SEC submissions — for individual insiders the address is often in care of the issuer. Related filers are identified from jointly filed SEC submissions and shared reported addresses.
View filings on SEC EDGAR.
Holdings By Company
Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| Moringa Acquisition Corp (MACAW) Delisted | 10%+ Owner | 0 | $0.15 | $0 | $0 | 1 | 2023-08-24 |
| Mountain Crest Acquisition Corp. IV (MCAFU) Delisted | 10%+ Owner | 250,000 | $13.29 | $3.32M | $0 | 1 | 2023-06-29 |
| HWH International Inc. (ACAXW) Delisted | 10%+ Owner | 0 | $0.05 | $0 | $0 | 1 | 2023-05-03 |
| Twin Ridge Capital Acquisition Corp. (TRCA.WS) Delisted | 10%+ Owner | 850,353 | $0.04 | $32.4K | -$4.74M | 1 | 2023-04-27 |
| Model Performance Acquisition Corp (MPACW) Delisted | 10%+ Owner | 0 | $0.11 | $0 | $131.7K | 2 | 2022-12-19 |
| Yunhong International (ZGYHW) Delisted | 10%+ Owner | 700,000 | $0.62 | $434.0K | -$4.39M | 1 | 2021-10-26 |
| ADVENT TECHNOLOGIES HOLDINGS, INC. (AMCIW) Delisted | 10%+ Owner | 900,000 | $0.33 | $297.0K | $5.55M | 2 | 2020-12-01 |
| REVIVA PHARMACEUTICALS HOLDINGS, INC. (TZACW) Delisted | 10%+ Owner | 810,000 | — | — | -$879.6K | 1 | 2020-11-03 |
| SCVX Corp. (SCVX.WS) Delisted | Director | 2,371,149 | $0.15 | $355.7K | $0 | 2 | 2020-03-26 |
| Q/C TECHNOLOGIES, INC. (AKER) Delisted | 10%+ Owner | 120,152 | $4.94 | $593.6K | $948.4K | 3 | 2020-03-03 |
| Longevity Acquisition Corp (LOACU) Delisted | 10%+ Owner | 535,000 | — | — | $511.5K | 1 | 2018-09-18 |
| INNOVATE Corp. (HCHC) Delisted | 10%+ Owner | — | $3.68 | — | $0 | 1 | 2015-08-14 |
Recent Filings
22 filingsInsider activity across all companies, newest first. Form 4 rows are post-trade confirmations (buys, sells, grants, exercises). Notice (144) rows are pre-trade notices of intent to sell restricted or control stock under Rule 144 — they may not all execute. Compare adjacent dates to see which notices became actual sales.
| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2023-08-24 | Moringa Acquisition Corp (MACAW) Delisted | Other (J) | −401,271 | -$4.25M | EDGAR |
| 2023-06-29 | Mountain Crest Acquisition Corp. IV (MCAFU) Delisted | Other (J) | −865,904 | -$9.14M | EDGAR |
| 2023-05-03 | HWH International Inc. (ACAXW) Delisted | Other (J) | −1,845,192 | -$18.97M | EDGAR |
| 2023-04-27 | Twin Ridge Capital Acquisition Corp. (TRCA.WS) Delisted | Sell (S) | −460,000 | -$4.74M | EDGAR |
| 2022-12-19 | Model Performance Acquisition Corp (MPACW) Delisted | Other (J) | −806,528 | -$8.33M | EDGAR |
| 2022-11-28 | Model Performance Acquisition Corp (MPACW) Delisted | Buy (P) | +12,758 | $131.7K | EDGAR |
| 2021-10-26 | Yunhong International (ZGYHW) Delisted | Sell (S) | −400,000 | -$4.39M | EDGAR |
| 2020-12-01 | ADVENT TECHNOLOGIES HOLDINGS, INC. (AMCIW) Delisted | Sell (S) | −200,000 | -$2.25M | EDGAR |
| 2020-11-03 | REVIVA PHARMACEUTICALS HOLDINGS, INC. (TZACW) Delisted | Mixed | −80,000 | -$879.6K | EDGAR |
| 2020-03-27 | ADVENT TECHNOLOGIES HOLDINGS, INC. (AMCIW) Delisted | Buy (P) | +768,600 | $7.80M | EDGAR |
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Form 4 codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.