United States Renewable Energy

Ocean Power Technologies Inc (OPTT)

Track

Ocean Power Technologies Inc. has seen no insider trading activity in the last 90 days. The most recent transactions occurred in December 2025, when the President and CEO and the CFO executed multiple share purchases. Prior to this, insider activity consisted exclusively of buy transactions dating back to 2024 and earlier.
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
Buy 16 Dec 2025
Value US$3,181,338.16 | Price 358.80 | Shares 84,820 (-20.5%)
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
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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