United States Biotechnology & Medical Research

Aptose Biosciences Inc (APS)

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The most recent insider trading activity at Aptose Biosciences Inc. occurred on November 25, 2024, when CEO William G. Rice executed two separate buy transactions, each involving 100,000 shares. These purchases represent the only insider activity recorded within the last three months, reflecting a pattern of acquisition by company leadership.
Ticker: APS Exchange: TOR
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Insider trades have triggered activity signals for Aptose Biosciences Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Buy 25 Nov 2024
Value US$4,517,383.54 | Price 165.56 | Shares 22,050 (-12.4%)
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2024-11-27 2024-11-25 B Purchase
2.7
Rice, William Glenn

Director of Issuer, Senior Officer of Issuer

Executive Director
22,050 -12.4%
165.56
US$4,517,384 		22,050 -12.4% 165.56 US$4,517,384
2024-11-26 2024-11-25 B Purchase
3.6
Rice William G.

Chair, President & CEO

Executive Director
21,451 +28.9%
431.71
US$1,498,504 		21,451 +28.9% 431.71 US$1,498,504
2023-09-25 2023-09-22 B Purchase
0.6
Seizinger, Bernd Robert

Director of Issuer

Non-Executive Director
93,292 -7.9%
174.32
US$2,748,084 		93,292 -7.9% 174.32 US$2,748,084
2023-09-25 2023-09-22 B Purchase
0.6
Seizinger, Bernd Robert

Director of Issuer

Non-Executive Director
10,000
3.14
US$31,400 		10,000 3.14 US$31,400
2023-09-25 2023-09-22 B Purchase
2.9
Seizinger Bernd R.
Non-Executive Director
17,000 +inf%
3.14
US$53,380 		17,000 +inf% 3.14 US$53,380
2022-09-22 2022-09-19 B Purchase
2.7
Rice, William Glenn

Director of Issuer, Senior Officer of Issuer

Executive Director
4,300 +1.2%
0.68
US$2,939 		4,300 +1.2% 0.68 US$2,939
2022-09-22 2022-09-19 B Purchase
2.7
Rice, William Glenn

Director of Issuer, Senior Officer of Issuer

Executive Director
5,700 +1.6%
0.68
US$3,895 		5,700 +1.6% 0.68 US$3,895
2022-09-22 2022-09-19 B Purchase
0.8
Payne, Charles Fletcher

Senior Officer of Issuer

Officer
10,000
0.68
US$6,775 		10,000 0.68 US$6,775
2022-09-21 2022-09-19 B Purchase
3.6
Rice William G.

Chair, President & CEO

Executive Director
10,000 +2.8%
0.68
US$6,834 		10,000 +2.8% 0.68 US$6,834
2022-09-21 2022-09-19 B Purchase
0.8
Payne Fletcher

SR VP & Chief Fin. Officer

Officer
10,000 +inf%
0.68
US$6,775 		10,000 +inf% 0.68 US$6,775
2022-06-06 2022-06-06 B Purchase
3.6
Rice William G.

Chair, President & CEO

Executive Director
10,000 +2.9%
0.97
US$9,681 		10,000 +2.9% 0.97 US$9,681
2021-12-21 2021-12-20 B Purchase
1.7
BURGER DENIS R
Non-Executive Director
10,000 +46.1%
1.45
US$14,490 		10,000 +46.1% 1.45 US$14,490
2021-12-20 2021-12-16 B Purchase
1.5
PLATZER ERICH
Non-Executive Director
20,000 +4.1%
1.40
US$28,000 		20,000 +4.1% 1.40 US$28,000
2021-12-20 2021-12-16 B Purchase
1.5
PLATZER ERICH
Non-Executive Director
30,000 +6.6%
1.38
US$41,400 		30,000 +6.6% 1.38 US$41,400
2021-12-20 2021-12-16 B Purchase
1.5
PLATZER ERICH
Non-Executive Director
50,000 +12.3%
1.37
US$68,500 		50,000 +12.3% 1.37 US$68,500
2021-12-17 2021-12-16 B Purchase
3.6
Rice William G.

Chair, President & CEO

Executive Director
13,183 +4.0%
1.52
US$20,038 		13,183 +4.0% 1.52 US$20,038
2021-12-17 2021-12-15 B Purchase
1.5
PLATZER ERICH
Non-Executive Director
100,000 +32.8%
1.18
US$117,600 		100,000 +32.8% 1.18 US$117,600
2021-12-17 2021-12-15 B Purchase
1.5
PLATZER ERICH
Non-Executive Director
30,000 +10.9%
1.19
US$35,700 		30,000 +10.9% 1.19 US$35,700
2021-12-17 2021-12-15 B Purchase
1.5
PLATZER ERICH
Non-Executive Director
20,000 +7.8%
1.20
US$23,960 		20,000 +7.8% 1.20 US$23,960
2021-12-17 2021-12-15 B Purchase
1.5
PLATZER ERICH
Non-Executive Director
120,000 +88.9%
1.16
US$139,080 		120,000 +88.9% 1.16 US$139,080
2021-12-15 2021-12-15 B Purchase
3.6
Rice William G.

Chair, President & CEO

Executive Director
17,822 +5.7%
1.12
US$19,961 		17,822 +5.7% 1.12 US$19,961
2021-11-29 2021-11-26 B Purchase
3.6
Rice William G.

Chair, President & CEO

Executive Director
8,643 +2.8%
2.31
US$19,965 		8,643 +2.8% 2.31 US$19,965
2021-11-19 2021-11-19 B Purchase
Bejar Rafael

Sr. VP, Chief Medical Officer

Officer
10,000 +inf%
2.56
US$25,600 		10,000 +inf% 2.56 US$25,600
2021-08-05 2021-08-05 S Sale
Wilson Donald R. Jr.
Large shareholder
60,000 -0.7%
2.62
US$157,200 		60,000 -0.7% 2.62 US$157,200
2021-08-05 2021-08-03 B Purchase
Wilson Donald R. Jr.
Large shareholder
57,199 +0.6%
2.65
US$151,406 		57,199 +0.6% 2.65 US$151,406
2021-06-23 2021-06-22 S Sale
3.5
Whitehead Warren
Non-Executive Director
9,600 -39.0%
3.24
US$31,104 		9,600 -39.0% 3.24 US$31,104
2021-06-23 2021-06-21 S Sale
3.5
Whitehead Warren
Non-Executive Director
15,400 -38.5%
3.35
US$51,590 		15,400 -38.5% 3.35 US$51,590
2020-12-28 2020-12-22 S Sale
3.5
Whitehead Warren
Non-Executive Director
10,000 -20.0%
4.11
US$41,100 		10,000 -20.0% 4.11 US$41,100
2020-12-28 2020-12-22 S Sale
3.5
Whitehead Warren
Non-Executive Director
10,000 -16.7%
4.01
US$40,100 		10,000 -16.7% 4.01 US$40,100
2020-07-10 2020-07-10 S Sale
3.6
Chow Gregory K.

Executive VP & CFO

Officer
126,668 -35.2%
6.05
US$766,341 		126,668 -35.2% 6.05 US$766,341
2020-07-10 2020-07-10 S Sale
3.6
Rice William G.

Chair, President & CEO

Executive Director
168,891 -36.2%
6.05
US$1,021,791 		168,891 -36.2% 6.05 US$1,021,791
2020-07-10 2020-07-10 S Sale
3.5
Marango Jotin

Senior VP, Chief Bus. Officer

Officer
62,835 -35.1%
6.05
US$380,152 		62,835 -35.1% 6.05 US$380,152
2020-07-02 2020-07-02 S Sale
3.5
Marango Jotin

Senior VP, Chief Bus. Officer

Officer
20,946 -10.5%
6.34
US$132,793 		20,946 -10.5% 6.34 US$132,793
2020-06-25 2020-06-24 S Sale
3.5
Whitehead Warren
Non-Executive Director
5,000 -11.1%
6.78
US$33,900 		5,000 -11.1% 6.78 US$33,900
2020-06-25 2020-06-24 S Sale
3.5
Whitehead Warren
Non-Executive Director
12,000 -21.1%
6.73
US$80,760 		12,000 -21.1% 6.73 US$80,760
2020-06-25 2020-06-23 S Sale
3.5
Whitehead Warren
Non-Executive Director
5,000 -10.0%
7.17
US$35,850 		5,000 -10.0% 7.17 US$35,850
2020-06-25 2020-06-23 S Sale
3.5
Whitehead Warren
Non-Executive Director
13,000 -20.6%
7.08
US$92,040 		13,000 -20.6% 7.08 US$92,040
2020-03-26 2020-03-25 B Purchase
3.6
Rice William G.

Chair, President & CEO

Executive Director
3,400 +0.7%
5.82
US$19,803 		3,400 +0.7% 5.82 US$19,803
2019-10-28 2019-10-24 B Purchase
3.6
Rice William G.

Chairman, President & CEO

Executive Director
10,000 +6.5%
1.92
US$19,200 		10,000 +6.5% 1.92 US$19,200
2019-06-07 2019-06-05 B Purchase
3.6
Chow Gregory K.

Senior VP & CFO
7,500 +5.9%
1.84
US$13,815 		7,500 +5.9% 1.84 US$13,815
2019-04-19 2019-04-18 B Purchase
3.6
Rice William G.

Chair, President & CEO

Executive Director
10,000 +7.0%
1.85
US$18,507 		10,000 +7.0% 1.85 US$18,507
2019-03-15 2019-03-14 B Purchase
3.6
Rice William G.

Chair, President & CEO

Executive Director
10,000 +7.5%
1.90
US$18,993 		10,000 +7.5% 1.90 US$18,993
2019-03-14 2019-03-13 B Purchase
3.6
Chow Gregory K.

Senior VP & CFO

Officer
5,000 +4.1%
1.79
US$8,928 		5,000 +4.1% 1.79 US$8,928
2019-03-14 2019-03-13 B Purchase
3.6
Chow Gregory K.

Senior VP & CFO

Officer
10,000 +8.9%
1.74
US$17,394 		10,000 +8.9% 1.74 US$17,394
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