United States Renewable Energy

Ocean Power Technologies Inc (OPTT)

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Ocean Power Technologies Inc. experienced recent insider trading activity in December 2025. President and CEO Philipp Stratmann acquired shares on December 15 and 16, while CFO Robert Patrick Powers also purchased stock on December 15. These acquisitions represent the most recent market movements by company leadership, occurring over three months ago.
Ticker: OPTT Exchange: ASE
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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 Ocean Power Technologies Inc. Upgrade to see score, net flow, insiders and the full signal context.

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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
2.6
Stratmann Philipp President and CEO Executive Director
Transaction date
Purchase
Price
358.80
Quantity 84,820 -20.5%
Value US$3,181,338
2.6
Stratmann Philipp President and CEO Executive Director
Transaction date
Purchase
Price
107.31
Quantity 65,626 -7.6%
Value US$124,625
2.6
Powers Robert Patrick CFO Officer
Transaction date
Purchase
Price
25.68
Quantity 95,117 +40.2%
Value US$1,177,465
2.6
Stratmann Philipp President and CEO Executive Director
Transaction date
Purchase
Price
0.50
Quantity 3,989 +0.8%
Value US$1,975
3.2
Slaiby Peter E. Non-Executive Director
Transaction date
Purchase
Price
0.19
Quantity 35,000 +16.9%
Value US$6,713
3.8
Cryan Terence James Non-Executive Director
Transaction date
Purchase
Price
0.15
Quantity 100,000 +38.7%
Value US$14,800
3.2
Slaiby Peter E. Non-Executive Director
Transaction date
Purchase
Price
0.39
Quantity 25,000 +34.9%
Value US$9,750
2.6
Powers Robert Patrick Senior VP and CFO Officer
Transaction date
Purchase
Price
0.40
Quantity 12,345 +74.6%
Value US$4,950
3.8
Cryan Terence James Non-Executive Director
Transaction date
Purchase
Price
0.00
Quantity 15,000
Value US$0
3.8
Cryan Terence James Non-Executive Director
Transaction date
Purchase
Price
0.00
Quantity 30,000
Value US$0
2.6
Stratmann Philipp President and CEO Executive Director
Transaction date
Purchase
Price
0.41
Quantity 12,115 +14.8%
Value US$4,999
1.5
WINTERS ROBERT K Non-Executive Director
Transaction date
Sale
Price
2.90
Quantity 25,000 -100.0%
Value US$72,398
Kirby George H III President, CEO Executive Director
Transaction date
Purchase
Price
0.55
Quantity 10,660 +8.3%
Value US$5,852
Kirby George H III President, CEO Executive Director
Transaction date
Purchase
Price
0.53
Quantity 4,264 +3.4%
Value US$2,260
Kirby George H III President, CEO Executive Director
Transaction date
Purchase
Price
0.52
Quantity 14,924 +13.7%
Value US$7,731
Glover Dean J Non-Executive Director
Transaction date
Purchase
Price
0.66
Quantity 50,000 +91.0%
Value US$33,200
Cryan Terence James Non-Executive Director
Transaction date
Purchase
Price
0.59
Quantity 2,162 +42.8%
Value US$1,283
Glover Dean J Non-Executive Director
Transaction date
Purchase
Price
0.55
Quantity 50,000 +1010.1%
Value US$27,395
FLUDDER STEVEN M Non-Executive Director
Transaction date
Purchase
Price
0.72
Quantity 12,000 +inf%
Value US$8,690
Kirby George H III President, CEO Executive Director
Transaction date
Purchase
Price
1.16
Quantity 7,000 +6.9%
Value US$8,120
Kirby George H III President, CEO Executive Director
Transaction date
Purchase
Price
3.16
Quantity 6,300 +8.6%
Value US$19,908
Kirby George H III President, CEO Executive Director
Transaction date
Purchase
Price
0.58
Quantity 7,000 +3.8%
Value US$4,060
Kirby George H III President, CEO Executive Director
Transaction date
Purchase
Price
0.60
Quantity 2,229 +1.2%
Value US$1,330
Heinz David R Chief Operating Officer Officer
Transaction date
Purchase
Price
0.51
Quantity 10,000 +7.3%
Value US$5,100
Heinz David R Chief Operating Officer Officer
Transaction date
Purchase
Price
0.52
Quantity 10,000 +7.9%
Value US$5,240
FEATHERSTONE MARK A Chief Financial Officer Officer
Transaction date
Purchase
Price
0.60
Quantity 5,000 +inf%
Value US$3,023
Heinz David R Chief Operating Officer Officer
Transaction date
Purchase
Price
0.59
Quantity 5,000 +4.1%
Value US$2,950
POSNER BRIAN M Chief Financial Officer Officer
Transaction date
Purchase
Price
3.65
Quantity 1,600 +11.9%
Value US$5,840
POSNER BRIAN M Chief Financial Officer Officer
Transaction date
Purchase
Price
3.66
Quantity 400 +3.1%
Value US$1,464
Taylor George W Executive Chairman Executive Director
Transaction date
Sale
Price
4.76
Quantity 13,000 -2.7%
Value US$61,880
Taylor George W Executive Chairman Executive Director
Transaction date
Sale
Price
4.76
Quantity 12,000 -2.5%
Value US$57,120
Taylor George W Executive Chairman Executive Director
Transaction date
Sale
Price
4.78
Quantity 15,000 -3.0%
Value US$71,700
Taylor George W Executive Chairman Executive Director
Transaction date
Sale
Price
4.90
Quantity 10,000 -1.9%
Value US$49,000
Dunleavy Charles F Chief Executive Officer Executive Director
Transaction date
Sale
Price
5.60
Quantity 2,010 -1.0%
Value US$11,256
Taylor George W Executive Chairman Executive Director
Transaction date
Sale
Price
5.53
Quantity 18,000 -3.4%
Value US$99,540
Taylor George W Executive Chairman Executive Director
Transaction date
Sale
Price
5.62
Quantity 16,000 -2.9%
Value US$89,920
Taylor George W Executive Chairman Executive Director
Transaction date
Sale
Price
5.70
Quantity 6,000 -1.1%
Value US$34,200
Taylor George W Executive Chairman Executive Director
Transaction date
Sale
Price
5.76
Quantity 20,000 -3.5%
Value US$115,200
Taylor George W Executive Chairman Executive Director
Transaction date
Sale
Price
5.64
Quantity 26,204 -4.4%
Value US$147,791
Taylor George W Executive Chairman Executive Director
Transaction date
Sale
Price
5.79
Quantity 20,796 -3.3%
Value US$120,409
LOZIER PAUL F Non-Executive Director
Transaction date
Sale
Price
5.73
Quantity 4,000 -28.4%
Value US$22,910
Taylor George W Executive Chairman Executive Director
Transaction date
Sale
Price
5.68
Quantity 31,500 -4.8%
Value US$178,920
Taylor George W Executive Chairman Executive Director
Transaction date
Sale
Price
5.29
Quantity 14,060 -2.1%
Value US$74,377
Taylor George W Executive Chairman Executive Director
Transaction date
Sale
Price
5.24
Quantity 16,640 -2.4%
Value US$87,194
Taylor George W Executive Chairman Executive Director
Transaction date
Sale
Price
5.42
Quantity 2,800 -0.4%
Value US$15,176
Taylor George W Executive Chairman Executive Director
Transaction date
Sale
Price
5.29
Quantity 20,000 -2.8%
Value US$105,800
POSNER BRIAN M Chief Financial Officer Officer
Transaction date
Purchase
Price
5.44
Quantity 2,000 +inf%
Value US$10,880
Taylor George W Chief Executive Officer Executive Director Large shareholder
Transaction date
Sale
Price
8.97
Quantity 15,000 -2.1%
Value US$134,550
Taylor George W Chief Executive Officer Executive Director Large shareholder
Transaction date
Sale
Price
7.96
Quantity 35,000 -4.7%
Value US$278,600
PRESTON SEYMOUR S III Non-Executive Director
Transaction date
Purchase
Price
5.50
Quantity 3,000 +36.4%
Value US$16,500
CHATIGNY VICTOR J Non-Executive Director
Transaction date
Purchase
Price
4.79
Quantity 816 +8.9%
Value US$3,909
CHATIGNY VICTOR J Non-Executive Director
Transaction date
Purchase
Price
4.78
Quantity 1,384 +17.7%
Value US$6,616
CHATIGNY VICTOR J Non-Executive Director
Transaction date
Purchase
Price
4.77
Quantity 5,400 +225.0%
Value US$25,758
CHATIGNY VICTOR J Non-Executive Director
Transaction date
Purchase
Price
4.76
Quantity 1,115 +86.8%
Value US$5,307
CHATIGNY VICTOR J Non-Executive Director
Transaction date
Purchase
Price
4.75
Quantity 1,285 +inf%
Value US$6,104
Taylor George W Executive Chairman Executive Director Large shareholder
Transaction date
Sale
Price
5.23
Quantity 15,000 -2.0%
Value US$78,450
Taylor George W Executive Chairman Executive Director Large shareholder
Transaction date
Sale
Price
5.88
Quantity 15,578 -2.0%
Value US$91,599
Taylor George W Executive Chairman Executive Director Large shareholder
Transaction date
Sale
Price
5.97
Quantity 11,712 -1.5%
Value US$69,921
Taylor George W Executive Chairman Executive Director Large shareholder
Transaction date
Sale
Price
6.04
Quantity 22,710 -2.8%
Value US$137,168
Taylor George W Chief Executive Officer Executive Director Large shareholder
Transaction date
Sale
Price
5.57
Quantity 28,650 -3.4%
Value US$159,580
Taylor George W Chief Executive Officer Executive Director Large shareholder
Transaction date
Sale
Price
6.12
Quantity 9,150 -1.1%
Value US$55,998
Taylor George W Chief Executive Officer Executive Director Large shareholder
Transaction date
Sale
Price
6.46
Quantity 15,200 -1.8%
Value US$98,192
LOZIER PAUL F Non-Executive Director
Transaction date
Purchase
Price
6.50
Quantity 500 +5.2%
Value US$3,250
LOZIER PAUL F Non-Executive Director
Transaction date
Purchase
Price
6.32
Quantity 1,000 +11.6%
Value US$6,320
LOZIER PAUL F Non-Executive Director
Transaction date
Purchase
Price
6.75
Quantity 500 +6.2%
Value US$3,375
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2025-12-16 2025-12-16 B Purchase
2.6
Stratmann Philipp

President and CEO

Executive Director
84,820 -20.5%
358.80
US$3,181,338 		84,820 -20.5% 358.80 US$3,181,338
2025-12-15 2025-12-15 B Purchase
2.6
Stratmann Philipp

President and CEO

Executive Director
65,626 -7.6%
107.31
US$124,625 		65,626 -7.6% 107.31 US$124,625
2025-12-15 2025-12-15 B Purchase
2.6
Powers Robert Patrick

CFO

Officer
95,117 +40.2%
25.68
US$1,177,465 		95,117 +40.2% 25.68 US$1,177,465
2025-09-18 2025-09-17 B Purchase
2.6
Stratmann Philipp

President and CEO

Executive Director
3,989 +0.8%
0.50
US$1,975 		3,989 +0.8% 0.50 US$1,975
2024-11-26 2024-11-25 B Purchase
3.2
Slaiby Peter E.
Non-Executive Director
35,000 +16.9%
0.19
US$6,713 		35,000 +16.9% 0.19 US$6,713
2024-11-15 2024-11-13 B Purchase
3.8
Cryan Terence James
Non-Executive Director
100,000 +38.7%
0.15
US$14,800 		100,000 +38.7% 0.15 US$14,800
2023-10-02 2023-09-28 B Purchase
3.2
Slaiby Peter E.
Non-Executive Director
25,000 +34.9%
0.39
US$9,750 		25,000 +34.9% 0.39 US$9,750
2023-09-20 2023-09-18 B Purchase
2.6
Powers Robert Patrick

Senior VP and CFO

Officer
12,345 +74.6%
0.40
US$4,950 		12,345 +74.6% 0.40 US$4,950
2023-09-19 2023-09-18 B Purchase
3.8
Cryan Terence James
Non-Executive Director
15,000
0.00
US$0 		15,000 0.00 US$0
2023-09-19 2023-09-15 B Purchase
3.8
Cryan Terence James
Non-Executive Director
30,000
0.00
US$0 		30,000 0.00 US$0
2023-09-18 2023-09-15 B Purchase
2.6
Stratmann Philipp

President and CEO

Executive Director
12,115 +14.8%
0.41
US$4,999 		12,115 +14.8% 0.41 US$4,999
2021-01-04 2020-12-30 S Sale
1.5
WINTERS ROBERT K
Non-Executive Director
25,000 -100.0%
2.90
US$72,398 		25,000 -100.0% 2.90 US$72,398
2018-11-06 2018-11-06 B Purchase Kirby George H III

President, CEO

Executive Director
10,660 +8.3%
0.55
US$5,852 		10,660 +8.3% 0.55 US$5,852
2018-11-06 2018-11-05 B Purchase Kirby George H III

President, CEO

Executive Director
4,264 +3.4%
0.53
US$2,260 		4,264 +3.4% 0.53 US$2,260
2018-11-06 2018-11-02 B Purchase Kirby George H III

President, CEO

Executive Director
14,924 +13.7%
0.52
US$7,731 		14,924 +13.7% 0.52 US$7,731
2018-09-24 2018-09-20 B Purchase Glover Dean J Non-Executive Director
50,000 +91.0%
0.66
US$33,200 		50,000 +91.0% 0.66 US$33,200
2018-09-21 2018-09-19 B Purchase Cryan Terence James Non-Executive Director
2,162 +42.8%
0.59
US$1,283 		2,162 +42.8% 0.59 US$1,283
2018-09-20 2018-09-18 B Purchase Glover Dean J Non-Executive Director
50,000 +1010.1%
0.55
US$27,395 		50,000 +1010.1% 0.55 US$27,395
2018-08-17 2018-08-15 B Purchase FLUDDER STEVEN M Non-Executive Director
12,000 +inf%
0.72
US$8,690 		12,000 +inf% 0.72 US$8,690
2018-03-20 2018-03-20 B Purchase Kirby George H III

President, CEO

Executive Director
7,000 +6.9%
1.16
US$8,120 		7,000 +6.9% 1.16 US$8,120
2016-10-25 2016-10-24 B Purchase Kirby George H III

President, CEO

Executive Director
6,300 +8.6%
3.16
US$19,908 		6,300 +8.6% 3.16 US$19,908
2015-07-17 2015-07-16 B Purchase Kirby George H III

President, CEO

Executive Director
7,000 +3.8%
0.58
US$4,060 		7,000 +3.8% 0.58 US$4,060
2015-07-17 2015-07-15 B Purchase Kirby George H III

President, CEO

Executive Director
2,229 +1.2%
0.60
US$1,330 		2,229 +1.2% 0.60 US$1,330
2015-01-22 2015-01-20 B Purchase Heinz David R

Chief Operating Officer

Officer
10,000 +7.3%
0.51
US$5,100 		10,000 +7.3% 0.51 US$5,100
2015-01-22 2015-01-20 B Purchase Heinz David R

Chief Operating Officer

Officer
10,000 +7.9%
0.52
US$5,240 		10,000 +7.9% 0.52 US$5,240
2014-12-18 2014-12-17 B Purchase FEATHERSTONE MARK A

Chief Financial Officer

Officer
5,000 +inf%
0.60
US$3,023 		5,000 +inf% 0.60 US$3,023
2014-12-17 2014-12-16 B Purchase Heinz David R

Chief Operating Officer

Officer
5,000 +4.1%
0.59
US$2,950 		5,000 +4.1% 0.59 US$2,950
2011-07-21 2011-07-21 B Purchase POSNER BRIAN M

Chief Financial Officer

Officer
1,600 +11.9%
3.65
US$5,840 		1,600 +11.9% 3.65 US$5,840
2011-07-21 2011-07-21 B Purchase POSNER BRIAN M

Chief Financial Officer

Officer
400 +3.1%
3.66
US$1,464 		400 +3.1% 3.66 US$1,464
2011-04-20 2011-04-20 S Sale Taylor George W

Executive Chairman

Executive Director
13,000 -2.7%
4.76
US$61,880 		13,000 -2.7% 4.76 US$61,880
2011-04-19 2011-04-19 S Sale Taylor George W

Executive Chairman

Executive Director
12,000 -2.5%
4.76
US$57,120 		12,000 -2.5% 4.76 US$57,120
2011-04-19 2011-04-18 S Sale Taylor George W

Executive Chairman

Executive Director
15,000 -3.0%
4.78
US$71,700 		15,000 -3.0% 4.78 US$71,700
2011-04-19 2011-04-15 S Sale Taylor George W

Executive Chairman

Executive Director
10,000 -1.9%
4.90
US$49,000 		10,000 -1.9% 4.90 US$49,000
2011-01-19 2011-01-14 S Sale Dunleavy Charles F

Chief Executive Officer

Executive Director
2,010 -1.0%
5.60
US$11,256 		2,010 -1.0% 5.60 US$11,256
2011-01-18 2011-01-14 S Sale Taylor George W

Executive Chairman

Executive Director
18,000 -3.4%
5.53
US$99,540 		18,000 -3.4% 5.53 US$99,540
2011-01-18 2011-01-13 S Sale Taylor George W

Executive Chairman

Executive Director
16,000 -2.9%
5.62
US$89,920 		16,000 -2.9% 5.62 US$89,920
2011-01-13 2011-01-12 S Sale Taylor George W

Executive Chairman

Executive Director
6,000 -1.1%
5.70
US$34,200 		6,000 -1.1% 5.70 US$34,200
2011-01-13 2011-01-11 S Sale Taylor George W

Executive Chairman

Executive Director
20,000 -3.5%
5.76
US$115,200 		20,000 -3.5% 5.76 US$115,200
2010-12-20 2010-12-17 S Sale Taylor George W

Executive Chairman

Executive Director
26,204 -4.4%
5.64
US$147,791 		26,204 -4.4% 5.64 US$147,791
2010-12-20 2010-12-16 S Sale Taylor George W

Executive Chairman

Executive Director
20,796 -3.3%
5.79
US$120,409 		20,796 -3.3% 5.79 US$120,409
2010-10-14 2010-10-12 S Sale LOZIER PAUL F Non-Executive Director
4,000 -28.4%
5.73
US$22,910 		4,000 -28.4% 5.73 US$22,910
2010-10-13 2010-10-12 S Sale Taylor George W

Executive Chairman

Executive Director
31,500 -4.8%
5.68
US$178,920 		31,500 -4.8% 5.68 US$178,920
2010-10-13 2010-10-11 S Sale Taylor George W

Executive Chairman

Executive Director
14,060 -2.1%
5.29
US$74,377 		14,060 -2.1% 5.29 US$74,377
2010-10-08 2010-10-06 S Sale Taylor George W

Executive Chairman

Executive Director
16,640 -2.4%
5.24
US$87,194 		16,640 -2.4% 5.24 US$87,194
2010-10-06 2010-10-05 S Sale Taylor George W

Executive Chairman

Executive Director
2,800 -0.4%
5.42
US$15,176 		2,800 -0.4% 5.42 US$15,176
2010-10-06 2010-10-04 S Sale Taylor George W

Executive Chairman

Executive Director
20,000 -2.8%
5.29
US$105,800 		20,000 -2.8% 5.29 US$105,800
2010-07-20 2010-07-16 B Purchase POSNER BRIAN M

Chief Financial Officer

Officer
2,000 +inf%
5.44
US$10,880 		2,000 +inf% 5.44 US$10,880
2009-10-19 2009-10-16 S Sale Taylor George W

Chief Executive Officer

Executive Director Large shareholder
15,000 -2.1%
8.97
US$134,550 		15,000 -2.1% 8.97 US$134,550
2009-10-19 2009-10-15 S Sale Taylor George W

Chief Executive Officer

Executive Director Large shareholder
35,000 -4.7%
7.96
US$278,600 		35,000 -4.7% 7.96 US$278,600
2009-10-14 2009-10-13 B Purchase PRESTON SEYMOUR S III Non-Executive Director
3,000 +36.4%
5.50
US$16,500 		3,000 +36.4% 5.50 US$16,500
2009-09-23 2009-09-22 B Purchase CHATIGNY VICTOR J Non-Executive Director
816 +8.9%
4.79
US$3,909 		816 +8.9% 4.79 US$3,909
2009-09-23 2009-09-22 B Purchase CHATIGNY VICTOR J Non-Executive Director
1,384 +17.7%
4.78
US$6,616 		1,384 +17.7% 4.78 US$6,616
2009-09-23 2009-09-22 B Purchase CHATIGNY VICTOR J Non-Executive Director
5,400 +225.0%
4.77
US$25,758 		5,400 +225.0% 4.77 US$25,758
2009-09-23 2009-09-22 B Purchase CHATIGNY VICTOR J Non-Executive Director
1,115 +86.8%
4.76
US$5,307 		1,115 +86.8% 4.76 US$5,307
2009-09-23 2009-09-22 B Purchase CHATIGNY VICTOR J Non-Executive Director
1,285 +inf%
4.75
US$6,104 		1,285 +inf% 4.75 US$6,104
2009-07-20 2009-07-17 S Sale Taylor George W

Executive Chairman

Executive Director Large shareholder
15,000 -2.0%
5.23
US$78,450 		15,000 -2.0% 5.23 US$78,450
2009-04-15 2009-04-15 S Sale Taylor George W

Executive Chairman

Executive Director Large shareholder
15,578 -2.0%
5.88
US$91,599 		15,578 -2.0% 5.88 US$91,599
2009-04-15 2009-04-14 S Sale Taylor George W

Executive Chairman

Executive Director Large shareholder
11,712 -1.5%
5.97
US$69,921 		11,712 -1.5% 5.97 US$69,921
2009-04-15 2009-04-13 S Sale Taylor George W

Executive Chairman

Executive Director Large shareholder
22,710 -2.8%
6.04
US$137,168 		22,710 -2.8% 6.04 US$137,168
2009-01-15 2009-01-15 S Sale Taylor George W

Chief Executive Officer

Executive Director Large shareholder
28,650 -3.4%
5.57
US$159,580 		28,650 -3.4% 5.57 US$159,580
2009-01-15 2009-01-14 S Sale Taylor George W

Chief Executive Officer

Executive Director Large shareholder
9,150 -1.1%
6.12
US$55,998 		9,150 -1.1% 6.12 US$55,998
2009-01-15 2009-01-13 S Sale Taylor George W

Chief Executive Officer

Executive Director Large shareholder
15,200 -1.8%
6.46
US$98,192 		15,200 -1.8% 6.46 US$98,192
2008-10-14 2008-10-10 B Purchase LOZIER PAUL F Non-Executive Director
500 +5.2%
6.50
US$3,250 		500 +5.2% 6.50 US$3,250
2008-10-14 2008-10-10 B Purchase LOZIER PAUL F Non-Executive Director
1,000 +11.6%
6.32
US$6,320 		1,000 +11.6% 6.32 US$6,320
2008-10-14 2008-10-09 B Purchase LOZIER PAUL F Non-Executive Director
500 +6.2%
6.75
US$3,375 		500 +6.2% 6.75 US$3,375
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