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United States Biotechnology & Medical Research

Mateon Therapeutics Inc (MATN)

Track

Over the last 90 days, Mateon Therapeutics Inc. has seen 2 insider transactions, both classified as buys, totaling $15,013.25. The Chairman and CEO, Trieu Vuong, was the sole insider involved in these transactions. The company's last earnings report was on November 16, 2020.
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Ticker: MATN Exchange: OTC
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Trieu Vuong
CHAIRMAN AND CEO
1 purchase — total 100,000 USD
Buy 17 Jun 2026
Value US$3,407,764.72 | Price 129.33 | Shares 87,354
Buy 15 Jun 2026
Value US$1,123,839.67 | Price 478.72 | Shares 81,177
Buy 10 Jul 2025
Value US$520.00 | Price 0.01 | Shares 104,000
Buy 8 Jul 2025
Value US$473.68 | Price 0.01 | Shares 94,736
Buy 31 Jan 2025
Value US$1,785.70 | Price 0.03 | Shares 63,775
Buy 30 Jan 2025
Value US$2,800.08 | Price 0.03 | Shares 100,003
Buy 29 Jan 2025
Value US$5,125.85 | Price 0.03 | Shares 183,066
Buy 22 Nov 2024
Value US$8,626.62 | Price 0.03 | Shares 298,499
Buy 23 Aug 2024
Value US$10,000.00 | Price 0.02 | Shares 500,000
Buy 16 Jun 2023
Value US$2,600.00 | Price 0.03 | Shares 100,000
Buy 14 Jun 2023
Value US$13,040.00 | Price 0.03 | Shares 400,000
Buy 26 May 2023
Value US$4,326.88 | Price 0.03 | Shares 126,888
Buy 2 May 2023
Value US$4,500.00 | Price 0.05 | Shares 100,000
Buy 6 Dec 2022
Value US$6,000.00 | Price 0.05 | Shares 120,000
Buy 22 Nov 2022
Value US$5,600.00 | Price 0.08 | Shares 70,000
Buy 26 Sep 2022
Value US$1,360.00 | Price 0.07 | Shares 20,000
Buy 25 Aug 2022
Value US$6,560.00 | Price 0.08 | Shares 80,000
Buy 24 Nov 2020
Value US$1,561.80 | Price 0.19 | Shares 8,220
Buy 23 Nov 2020
Value US$3,816.72 | Price 0.19 | Shares 20,088
Buy 20 Nov 2020
Value US$6,179.94 | Price 0.20 | Shares 31,692
Buy 19 Nov 2020
Value US$9,595.00 | Price 0.19 | Shares 50,500
Buy 19 Nov 2020
Value US$4,097.57 | Price 0.18 | Shares 22,173
Buy 26 Mar 2020
Value US$360.00 | Price 0.12 | Shares 3,000
Buy 12 Apr 2018
Value US$0.00 | Price 0.00 | Shares 250,000
Buy 12 Apr 2018
Value US$0.00 | Price 0.00 | Shares 625,000
Buy 12 Apr 2018
Value US$0.00 | Price 0.00 | Shares 250,000
Buy 16 Dec 2016
Value US$3,532.25 | Price 0.36 | Shares 9,950
Buy 16 Dec 2016
Value US$2,572.50 | Price 0.35 | Shares 7,350
Buy 16 Dec 2016
Value US$4,318.00 | Price 0.34 | Shares 12,700
Buy 28 Jun 2013
Value US$8,250.00 | Price 2.75 | Shares 3,000
Buy 25 Jun 2013
Value US$5,572.00 | Price 2.79 | Shares 2,000
Buy 10 Aug 2007
Value US$25,056.42 | Price 3.58 | Shares 6,999
Buy 9 Aug 2007
Value US$10,743.58 | Price 3.58 | Shares 3,001
Buy 7 Aug 2007
Value US$16,200.00 | Price 3.60 | Shares 4,500
Buy 6 Aug 2007
Value US$19,778.00 | Price 3.60 | Shares 5,500
Buy 2 May 2007
Value US$15,180.00 | Price 4.60 | Shares 3,300
Buy 1 May 2007
Value US$13,340.00 | Price 4.60 | Shares 2,900
Buy 1 May 2007
Value US$918.00 | Price 4.59 | Shares 200
Buy 1 May 2007
Value US$28,854.00 | Price 4.58 | Shares 6,300
Buy 1 May 2007
Value US$44,786.00 | Price 4.57 | Shares 9,800
Buy 1 May 2007
Value US$456.00 | Price 4.56 | Shares 100
Buy 1 May 2007
Value US$3,640.00 | Price 4.55 | Shares 800
Buy 1 May 2007
Value US$454.00 | Price 4.54 | Shares 100
Buy 1 May 2007
Value US$4,077.00 | Price 4.53 | Shares 900
Buy 1 May 2007
Value US$1,353.00 | Price 4.51 | Shares 300
Buy 1 May 2007
Value US$449.00 | Price 4.49 | Shares 100
Buy 1 May 2007
Value US$896.00 | Price 4.48 | Shares 200
Buy 15 Dec 2006
Value US$325,052.00 | Price 4.94 | Shares 65,800
Buy 5 Dec 2006
Value US$502,000.00 | Price 5.02 | Shares 100,000
Buy 22 Nov 2006
Value US$44,928.00 | Price 4.32 | Shares 10,400
Buy 22 Nov 2006
Value US$258.60 | Price 4.31 | Shares 60
Buy 21 Nov 2006
Value US$6,421.80 | Price 4.17 | Shares 1,540
Buy 21 Nov 2006
Value US$4,980.00 | Price 4.15 | Shares 1,200
Buy 21 Nov 2006
Value US$1,242.00 | Price 4.14 | Shares 300
Buy 21 Nov 2006
Value US$5,782.00 | Price 4.13 | Shares 1,400
Buy 21 Nov 2006
Value US$412.00 | Price 4.12 | Shares 100
Buy 15 Sep 2006
Value US$33,822.50 | Price 4.15 | Shares 8,150
Buy 15 Sep 2006
Value US$5,382.00 | Price 4.14 | Shares 1,300
Buy 15 Sep 2006
Value US$6,401.50 | Price 4.13 | Shares 1,550
Buy 15 Sep 2006
Value US$20,500.00 | Price 4.10 | Shares 5,000
Buy 15 Sep 2006
Value US$24,540.00 | Price 4.09 | Shares 6,000
Buy 15 Sep 2006
Value US$20,848.80 | Price 4.08 | Shares 5,110
Buy 15 Sep 2006
Value US$14,245.00 | Price 4.07 | Shares 3,500
Buy 15 Sep 2006
Value US$3,248.00 | Price 4.06 | Shares 800
Buy 15 Sep 2006
Value US$45,307.35 | Price 4.05 | Shares 11,187
Buy 15 Sep 2006
Value US$6,851.00 | Price 4.03 | Shares 1,700
Buy 15 Sep 2006
Value US$4,691.34 | Price 4.02 | Shares 1,167
Buy 31 Aug 2006
Value US$188,502.00 | Price 3.53 | Shares 53,400
Buy 30 Aug 2006
Value US$105,644.00 | Price 3.43 | Shares 30,800
Buy 2 Aug 2006
Value US$40,061.69 | Price 3.23 | Shares 12,403
Buy 1 Aug 2006
Value US$53,021.10 | Price 3.30 | Shares 16,067
Buy 1 Aug 2006
Value US$3,608.00 | Price 3.28 | Shares 1,100
Buy 1 Aug 2006
Value US$9,320.57 | Price 3.29 | Shares 2,833
Buy 1 Aug 2006
Value US$54,772.20 | Price 3.24 | Shares 16,905
Buy 31 Jul 2006
Value US$9,720.00 | Price 3.24 | Shares 3,000
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
2026-06-17 2026-06-17 B Purchase
Trieu Vuong

CHAIRMAN AND CEO

Executive Director Large shareholder
87,354 -39.8%
129.33
US$3,407,765 		87,354 -39.8% 129.33 US$3,407,765
2026-06-17 2026-06-15 B Purchase
Trieu Vuong

CHAIRMAN AND CEO

Executive Director Large shareholder
81,177 -25.5%
478.72
US$1,123,840 		81,177 -25.5% 478.72 US$1,123,840
2025-07-10 2025-07-10 B Purchase
Trieu Vuong

CHAIRMAN AND CEO

Executive Director Large shareholder
42,044 +49.1%
219.56
US$4,835,114 		42,044 +49.1% 219.56 US$4,835,114
2025-07-10 2025-07-08 B Purchase
Trieu Vuong

CHAIRMAN AND CEO

Executive Director Large shareholder
94,736 +0.1%
0.01
US$474 		94,736 +0.1% 0.01 US$474
2025-01-31 2025-01-31 B Purchase
Trieu Vuong

CHAIRMAN AND CEO

Executive Director Large shareholder
63,775 +0.1%
0.03
US$1,786 		63,775 +0.1% 0.03 US$1,786
2025-01-31 2025-01-30 B Purchase
Trieu Vuong

CHAIRMAN AND CEO

Executive Director Large shareholder
100,003 +0.1%
0.03
US$2,800 		100,003 +0.1% 0.03 US$2,800
2025-01-31 2025-01-29 B Purchase
Trieu Vuong

CHAIRMAN AND CEO

Executive Director Large shareholder
183,066 +0.2%
0.03
US$5,126 		183,066 +0.2% 0.03 US$5,126
2024-11-26 2024-11-22 B Purchase
Trieu Vuong

CHAIRMAN AND CEO

Executive Director Large shareholder
298,499 +0.3%
0.03
US$8,627 		298,499 +0.3% 0.03 US$8,627
2024-08-27 2024-08-23 B Purchase
Trieu Vuong

CHAIRMAN AND CEO

Executive Director Large shareholder
500,000 +0.5%
0.02
US$10,000 		500,000 +0.5% 0.02 US$10,000
2023-06-20 2023-06-16 B Purchase
Trieu Vuong

CHAIRMAN AND CEO

Executive Director Large shareholder
100,000 +0.1%
0.03
US$2,600 		100,000 +0.1% 0.03 US$2,600
2023-06-16 2023-06-14 B Purchase
Trieu Vuong

CHAIRMAN AND CEO

Executive Director Large shareholder
400,000 +0.4%
0.03
US$13,040 		400,000 +0.4% 0.03 US$13,040
2023-05-31 2023-05-26 B Purchase
Trieu Vuong

CHAIRMAN AND CEO

Executive Director Large shareholder
126,888 +0.1%
0.03
US$4,327 		126,888 +0.1% 0.03 US$4,327
2023-05-02 2023-05-02 B Purchase
Trieu Vuong

CHAIRMAN AND CEO

Executive Director Large shareholder
100,000 +0.1%
0.05
US$4,500 		100,000 +0.1% 0.05 US$4,500
2022-12-07 2022-12-06 B Purchase
Trieu Vuong

CHAIRMAN AND CEO

Executive Director Large shareholder
120,000 +0.1%
0.05
US$6,000 		120,000 +0.1% 0.05 US$6,000
2022-11-25 2022-11-22 B Purchase
Trieu Vuong

CHAIRMAN AND CEO

Executive Director Large shareholder
70,000 +0.1%
0.08
US$5,600 		70,000 +0.1% 0.08 US$5,600
2022-09-28 2022-09-26 B Purchase
Trieu Vuong

CHAIRMAN AND CEO

Executive Director Large shareholder
20,000 +0.0%
0.07
US$1,360 		20,000 +0.0% 0.07 US$1,360
2022-08-29 2022-08-25 B Purchase
Trieu Vuong

CHAIRMAN AND CEO

Executive Director Large shareholder
80,000 +0.1%
0.08
US$6,560 		80,000 +0.1% 0.08 US$6,560
2020-11-24 2020-11-24 B Purchase
Shah Amit B.

CHIEF FINANCIAL OFFICER

Officer
8,220 +15.9%
0.19
US$1,562 		8,220 +15.9% 0.19 US$1,562
2020-11-24 2020-11-23 B Purchase
Shah Amit B.

CHIEF FINANCIAL OFFICER

Officer
20,088 +63.4%
0.19
US$3,817 		20,088 +63.4% 0.19 US$3,817
2020-11-24 2020-11-20 B Purchase
Shah Amit B.

CHIEF FINANCIAL OFFICER

Officer
31,692 +inf%
0.20
US$6,180 		31,692 +inf% 0.20 US$6,180
2020-11-23 2020-11-19 B Purchase
Trieu Vuong

CHIEF EXECUTIVE OFFICER

Officer
50,500 +0.3%
0.19
US$9,595 		50,500 +0.3% 0.19 US$9,595
2020-11-23 2020-11-19 B Purchase
Park Chulho

CHIEF TECHNOLOGY OFFICER

Officer
22,173 +0.8%
0.18
US$4,098 		22,173 +0.8% 0.18 US$4,098
2020-03-27 2020-03-26 B Purchase
Trieu Vuong

CHIEF EXECUTIVE OFFICER
3,000 +0.0%
0.12
US$360 		3,000 +0.0% 0.12 US$360
2018-04-16 2018-04-12 B Purchase Reynolds Donald Rogers Non-Executive Director
250,000
0.00
US$0 		250,000 0.00 US$0
2018-04-16 2018-04-12 B Purchase Schwieterman William D

President and CEO

Executive Director
625,000
0.00
US$0 		625,000 0.00 US$0
2018-04-16 2018-04-12 B Purchase LOAR MATTHEW M

Chief Financial Officer
250,000
0.00
US$0 		250,000 0.00 US$0
2016-12-20 2016-12-16 B Purchase Reynolds Donald Rogers Non-Executive Director
9,950 +49.6%
0.36
US$3,532 		9,950 +49.6% 0.36 US$3,532
2016-12-20 2016-12-16 B Purchase Reynolds Donald Rogers Non-Executive Director
7,350 +57.9%
0.35
US$2,572 		7,350 +57.9% 0.35 US$2,572
2016-12-20 2016-12-16 B Purchase Reynolds Donald Rogers Non-Executive Director
12,700 +inf%
0.34
US$4,318 		12,700 +inf% 0.34 US$4,318
2013-07-01 2013-06-28 B Purchase LANGECKER PETER

Chief Executive Officer

Executive Director
3,000 +150.0%
2.75
US$8,250 		3,000 +150.0% 2.75 US$8,250
2013-06-26 2013-06-25 B Purchase LANGECKER PETER

Chief Executive Officer

Executive Director
2,000 +inf%
2.79
US$5,572 		2,000 +inf% 2.79 US$5,572
2007-08-13 2007-08-10 B Purchase FICKLING ROY H Non-Executive Director
6,999 +13.2%
3.58
US$25,056 		6,999 +13.2% 3.58 US$25,056
2007-08-13 2007-08-09 B Purchase FICKLING ROY H Non-Executive Director
3,001 +6.0%
3.58
US$10,744 		3,001 +6.0% 3.58 US$10,744
2007-08-08 2007-08-07 B Purchase FICKLING ROY H Non-Executive Director
4,500 +9.9%
3.60
US$16,200 		4,500 +9.9% 3.60 US$16,200
2007-08-07 2007-08-06 B Purchase FICKLING ROY H Non-Executive Director
5,500 +13.8%
3.60
US$19,778 		5,500 +13.8% 3.60 US$19,778
2007-05-03 2007-05-02 B Purchase SHIEBLER WILLIAM N Non-Executive Director
3,300 +1.8%
4.60
US$15,180 		3,300 +1.8% 4.60 US$15,180
2007-05-03 2007-05-01 B Purchase SHIEBLER WILLIAM N Non-Executive Director
2,900 +1.6%
4.60
US$13,340 		2,900 +1.6% 4.60 US$13,340
2007-05-03 2007-05-01 B Purchase SHIEBLER WILLIAM N Non-Executive Director
200 +0.1%
4.59
US$918 		200 +0.1% 4.59 US$918
2007-05-03 2007-05-01 B Purchase SHIEBLER WILLIAM N Non-Executive Director
6,300 +3.6%
4.58
US$28,854 		6,300 +3.6% 4.58 US$28,854
2007-05-03 2007-05-01 B Purchase SHIEBLER WILLIAM N Non-Executive Director
9,800 +6.0%
4.57
US$44,786 		9,800 +6.0% 4.57 US$44,786
2007-05-03 2007-05-01 B Purchase SHIEBLER WILLIAM N Non-Executive Director
100 +0.1%
4.56
US$456 		100 +0.1% 4.56 US$456
2007-05-03 2007-05-01 B Purchase SHIEBLER WILLIAM N Non-Executive Director
800 +0.5%
4.55
US$3,640 		800 +0.5% 4.55 US$3,640
2007-05-03 2007-05-01 B Purchase SHIEBLER WILLIAM N Non-Executive Director
100 +0.1%
4.54
US$454 		100 +0.1% 4.54 US$454
2007-05-03 2007-05-01 B Purchase SHIEBLER WILLIAM N Non-Executive Director
900 +0.6%
4.53
US$4,077 		900 +0.6% 4.53 US$4,077
2007-05-03 2007-05-01 B Purchase SHIEBLER WILLIAM N Non-Executive Director
300 +0.2%
4.51
US$1,353 		300 +0.2% 4.51 US$1,353
2007-05-03 2007-05-01 B Purchase SHIEBLER WILLIAM N Non-Executive Director
100 +0.1%
4.49
US$449 		100 +0.1% 4.49 US$449
2007-05-03 2007-05-01 B Purchase SHIEBLER WILLIAM N Non-Executive Director
200 +0.1%
4.48
US$896 		200 +0.1% 4.48 US$896
2006-12-18 2006-12-15 B Purchase SODERBERG PER OLOF Non-Executive Director
65,800 +11.3%
4.94
US$325,052 		65,800 +11.3% 4.94 US$325,052
2006-12-07 2006-12-05 B Purchase SODERBERG PER OLOF Non-Executive Director
100,000 +20.7%
5.02
US$502,000 		100,000 +20.7% 5.02 US$502,000
2006-11-22 2006-11-22 B Purchase CITRON JOEL TOMAS Non-Executive Director
10,400 +3.3%
4.32
US$44,928 		10,400 +3.3% 4.32 US$44,928
2006-11-22 2006-11-22 B Purchase CITRON JOEL TOMAS Non-Executive Director
60 +0.0%
4.31
US$259 		60 +0.0% 4.31 US$259
2006-11-22 2006-11-21 B Purchase CITRON JOEL TOMAS Non-Executive Director
1,540 +0.5%
4.17
US$6,422 		1,540 +0.5% 4.17 US$6,422
2006-11-22 2006-11-21 B Purchase CITRON JOEL TOMAS Non-Executive Director
1,200 +0.4%
4.15
US$4,980 		1,200 +0.4% 4.15 US$4,980
2006-11-22 2006-11-21 B Purchase CITRON JOEL TOMAS Non-Executive Director
300 +0.1%
4.14
US$1,242 		300 +0.1% 4.14 US$1,242
2006-11-22 2006-11-21 B Purchase CITRON JOEL TOMAS Non-Executive Director
1,400 +0.5%
4.13
US$5,782 		1,400 +0.5% 4.13 US$5,782
2006-11-22 2006-11-21 B Purchase CITRON JOEL TOMAS Non-Executive Director
100 +0.0%
4.12
US$412 		100 +0.0% 4.12 US$412
2006-09-18 2006-09-15 B Purchase Chin Richard

President and CEO

Executive Director
8,150 +8.4%
4.15
US$33,822 		8,150 +8.4% 4.15 US$33,822
2006-09-18 2006-09-15 B Purchase Chin Richard

President and CEO

Executive Director
1,300 +1.4%
4.14
US$5,382 		1,300 +1.4% 4.14 US$5,382
2006-09-18 2006-09-15 B Purchase Chin Richard

President and CEO

Executive Director
1,550 +1.6%
4.13
US$6,402 		1,550 +1.6% 4.13 US$6,402
2006-09-18 2006-09-15 B Purchase Chin Richard

President and CEO

Executive Director
5,000 +5.6%
4.10
US$20,500 		5,000 +5.6% 4.10 US$20,500
2006-09-18 2006-09-15 B Purchase Chin Richard

President and CEO

Executive Director
6,000 +7.2%
4.09
US$24,540 		6,000 +7.2% 4.09 US$24,540
2006-09-18 2006-09-15 B Purchase Chin Richard

President and CEO

Executive Director
5,110 +6.5%
4.08
US$20,849 		5,110 +6.5% 4.08 US$20,849
2006-09-18 2006-09-15 B Purchase Chin Richard

President and CEO

Executive Director
3,500 +4.7%
4.07
US$14,245 		3,500 +4.7% 4.07 US$14,245
2006-09-18 2006-09-15 B Purchase Chin Richard

President and CEO

Executive Director
800 +1.1%
4.06
US$3,248 		800 +1.1% 4.06 US$3,248
2006-09-18 2006-09-15 B Purchase Chin Richard

President and CEO

Executive Director
11,187 +17.8%
4.05
US$45,307 		11,187 +17.8% 4.05 US$45,307
2006-09-18 2006-09-15 B Purchase Chin Richard

President and CEO

Executive Director
1,700 +2.8%
4.03
US$6,851 		1,700 +2.8% 4.03 US$6,851
2006-09-18 2006-09-15 B Purchase Chin Richard

President and CEO

Executive Director
1,167 +1.9%
4.02
US$4,691 		1,167 +1.9% 4.02 US$4,691
2006-08-31 2006-08-31 B Purchase SODERBERG PER OLOF Non-Executive Director
53,400 +12.4%
3.53
US$188,502 		53,400 +12.4% 3.53 US$188,502
2006-08-31 2006-08-30 B Purchase SODERBERG PER OLOF Non-Executive Director
30,800 +7.7%
3.43
US$105,644 		30,800 +7.7% 3.43 US$105,644
2006-08-03 2006-08-02 B Purchase SHIEBLER WILLIAM N Non-Executive Director
12,403 +8.3%
3.23
US$40,062 		12,403 +8.3% 3.23 US$40,062
2006-08-03 2006-08-01 B Purchase Chin Richard

President and CEO

Executive Director
16,067 +36.6%
3.30
US$53,021 		16,067 +36.6% 3.30 US$53,021
2006-08-03 2006-08-01 B Purchase Chin Richard

President and CEO

Executive Director
1,100 +2.6%
3.28
US$3,608 		1,100 +2.6% 3.28 US$3,608
2006-08-03 2006-08-01 B Purchase Chin Richard

President and CEO

Executive Director
2,833 +7.1%
3.29
US$9,321 		2,833 +7.1% 3.29 US$9,321
2006-08-02 2006-08-01 B Purchase SHIEBLER WILLIAM N Non-Executive Director
16,905 +12.8%
3.24
US$54,772 		16,905 +12.8% 3.24 US$54,772
2006-08-02 2006-07-31 B Purchase SHIEBLER WILLIAM N Non-Executive Director
3,000 +2.3%
3.24
US$9,720 		3,000 +2.3% 3.24 US$9,720
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