This is a small, routine Form 144 filing by a venture capital affiliate. The sale amount is immaterial. Monitor for any cluster of insider selling ahead of earnings, but this single filing carries no actionable signal.
Price Chart
Executive Summary
MPM Asset Management Investors BV2014 LLC, a venture capital affiliate, filed a Form 144 indicating intent to sell 12,515 shares of Werewolf Therapeutics (HOWL) with an approximate value of $9,006. The sale is small relative to the $35M market cap (0.03%) and appears to be a routine portfolio reduction by an early investor.
Key Facts
- Selling shareholder: MPM Asset Management Investors BV2014 LLC
- Proposed sale: 12,515 shares of common stock
- Approximate value: $9,005.79 (based on average price ~$0.72/share)
- Shares acquired on May 4, 2021 via private placement
- Market cap: $35M; sale represents ~0.026% of market cap
- Recent insider activity (30d): 3 sells totaling $155K
Financial Impact
~$9K worth of shares sold; negligible relative to $35M market cap
Risk Factors
- Additional selling by the same entity could signal reduced conviction
- No material risk from this filing alone
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001628280-26-029397 |
| Document: 0001628280-26-029397-index.html | 0001628280-26-029397 |
| Document: 0001628280-26-029397.txt | 0001628280-26-029397 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 26, 2026 today | S-4/A | $0.9806 | awaiting T+5 | — | $0.9810 (−0.04%) |
Sep 22, 2026 4w ago | S-4 | $0.9894 $0.9223 | ▲ +6.78% | ▲ +6.11% | $0.9810 (+0.85%) |
Sep 21, 2026 5w ago | SC 13G | $0.9800 $0.9300 | ▼ −5.10% | ▼ −4.08% | $0.9810 (+0.10%) |
Aug 21, 2026 9w ago | 425 | $0.8740 $0.9433 | ▲ +7.93% | ▲ +7.46% | $0.9810 (+12.24%) |
Aug 21, 2026 9w ago | 8-K | $0.8740 $0.9433 | ▲ +7.93% | ▲ +7.46% | $0.9810 (+12.24%) |
Aug 21, 2026 9w ago | Press Release | $0.8740 $0.9433 | ▼ −7.93% | ▼ −7.46% | $0.9810 (−12.24%) |
Jul 31, 2026 12w ago | 8-K | $0.3531 $0.3971 | ▲ +12.46% | ▲ +8.95% | $0.9810 (+177.82%) |
Jul 31, 2026 12w ago | Press Release | $0.3531 $0.3971 | ▲ +12.46% | ▲ +8.95% | $0.9810 (+177.82%) |
Jun 29, 2026 17w ago | 144 | $0.3599 $0.3200 | ▲ +11.09% | ▲ +11.69% | $0.9810 (−172.58%) |
Jun 29, 2026 17w ago | 144 | $0.3599 $0.3200 | ▲ +11.09% | ▲ +11.69% | $0.9810 (−172.58%) |
US Market Status
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