Aptose Biosciences Inc.
Total Trades
4
Buys
4
Sells
0
Largest Trade
$50K–$100K
Insiders
3
Institutional Funds
6
Inst. Value
$1K–$15K
Activist Filings
9
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Rice William G. | Chair | BUY | $15K–$50K | 100K | $0.20 | Nov 26, 2024 |
| Seizinger Bernd R. | Director | BUY | $50K–$100K | 17K | $3.14 | Sep 25, 2023 |
| Rice William G. | Chair | BUY | $1K–$15K | 10K | $0.68 | Sep 21, 2022 |
| Payne Fletcher | SR VP & Chief Fin.… | BUY | $1K–$15K | 10K | $0.68 | Sep 21, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2024 · 6 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| NATIONS FINANCIAL GROUP INC, /IA/ /ADV | 20K | $1K–$15K | SH |
| Gleason Group, Inc. | 1K | <$1K | SH |
| Newbridge Financial Services Group, Inc. | 832 | <$1K | SH |
| HighMark Wealth Management LLC | 300 | <$1K | SH |
| CALDWELL SUTTER CAPITAL, INC. | 92 | <$1K | SH |
| Pacific Capital Wealth Advisors, Inc. | 6 | <$1K | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
Hanmi Pharmaceutical Co., Ltd.
SC 13D/A · Mar 21, 2025
19.9%
509K shares
Hanmi Pharmaceutical Co., Ltd.
SC 13D/A · Apr 26, 2024
19.0%
3.0M shares
Nantahala Capital Management, LLC
SC 13G/A · Feb 14, 2024
1.5%
120K shares
Hanmi Pharmaceutical Co., Ltd.
SC 13D/A · Feb 2, 2024
22.2%
3.0M shares
Hanmi Pharmaceutical Co., Ltd.
SC 13D · Sep 11, 2023
12.1%
884K shares
Nantahala Capital Management, LLC
SC 13G/A · Feb 14, 2023
6.6%
6.1M shares
Bios Special Opportunity Fund, LP
SC 13G · Jan 17, 2023
3.6%
3.3M shares
Nantahala Capital Management, LLC
SC 13G/A · Feb 14, 2022
8.5%
7.6M shares
SC 13G/A · Feb 11, 2022
0.0%
0 shares