MH Oil & Gas Related Equipment and Services

Ardmore Shipping Corp (ASC)

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Ardmore Shipping Corp experienced multiple divestments during May 2026. Directors and officers, including Curtis B. McWilliams and Helen Johanna de Jong, executed various sales of equity. These transactions concluded on May 18, 2026. No recent activity occurred within the last three months, rendering current market valuations irrelevant to this historical pattern of insider trading.
Ticker: ASC Exchange: NYS
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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 Ardmore Shipping Corp. 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
3.6
McWilliams Curtis B Non-Executive Director
Transaction date
Sale
Price
61.62
Quantity 66,101 -15.5%
Value US$2,455,950
2.7
de Jong Helen Johanna Non-Executive Director
Transaction date
Sale
Price
72.93
Quantity 21,562 -40.9%
Value US$3,539,448
3.6
McWilliams Curtis B Non-Executive Director
Transaction date
Sale
Price
487.15
Quantity 98,502 +19.7%
Value US$2,259,055
3.6
McWilliams Curtis B Director Non-Executive Director
Transaction date
Proposed sale
Price
19.00
Quantity 20,000
Value US$380,000
3.6
McWilliams Curtis B Non-Executive Director
Transaction date
Sale
Price
19.02
Quantity 303 -0.4%
Value US$5,763
3.6
McWilliams Curtis B Non-Executive Director
Transaction date
Sale
Price
19.05
Quantity 2,572 -3.2%
Value US$48,997
2.7
de Jong Helen Johanna Non-Executive Director
Transaction date
Sale
Price
19.02
Quantity 1,966 -6.9%
Value US$37,393
2.4
Tikka Kirsi Non-Executive Director
Transaction date
Sale
Price
18.93
Quantity 12,000 -25.3%
Value US$227,160
2.4
O'Driscoll Aideen Siobhan SVP & Sr. Dir. of Corp. Svcs Officer
Transaction date
Sale
Price
18.96
Quantity 15,848 -44.7%
Value US$300,478
2.4
Tikka Kirsi Director Non-Executive Director
Transaction date
Proposed sale
Price
18.93
Quantity 12,000
Value US$227,147
2.4
O'Driscoll Aideen Siobhan Officer Officer
Transaction date
Proposed sale
Price
18.96
Quantity 15,848
Value US$300,486
2.7
de Jong Helen Johanna Director Non-Executive Director
Transaction date
Proposed sale
Price
19.02
Quantity 3,500
Value US$66,564
Kelleher Bart B President Officer
Transaction date
Planned sale
Price
19.07
Quantity 8,000 -11.8%
Value US$152,560
Kelleher Bart B Officer Officer
Transaction date
Proposed sale
Price
19.07
Quantity 8,000
Value US$152,578
Gaina Robert Cristian Officer Officer
Transaction date
Proposed sale
Price
14.45
Quantity 7,229
Value US$104,459
Kelleher Bart B Officer Officer
Transaction date
Proposed sale
Price
16.18
Quantity 6,987
Value US$113,026
BERGLUND MATS Director Non-Executive Director
Transaction date
Proposed sale
Price
15.50
Quantity 5,000
Value US$77,500
2.7
de Jong Helen Johanna Director Non-Executive Director
Transaction date
Proposed sale
Price
14.79
Quantity 10,000
Value US$147,900
Kelleher Bart B Officer Officer
Transaction date
Proposed sale
Price
7.50
Quantity 16,000
Value US$120,000
Cameron Alistair Mark Officer Officer
Transaction date
Proposed sale
Price
12.80
Quantity 67,169
Value US$859,763
Gaina Robert Cristian Officer Officer
Transaction date
Proposed sale
Price
11.02
Quantity 6,000
Value US$66,120
Kelleher Bart B Officer Officer
Transaction date
Proposed sale
Price
9.78
Quantity 24,135
Value US$236,081
3.6
McWilliams Curtis B Director Non-Executive Director
Transaction date
Proposed sale
Price
9.76
Quantity 12,000
Value US$117,134
Gaina Robert Cristian Officer Officer
Transaction date
Proposed sale
Price
9.78
Quantity 983
Value US$9,614
Ruppelt Gernot Officer Officer
Transaction date
Proposed sale
Price
8.39
Quantity 2,162
Value US$18,140
Kelleher Bart B Officer Officer
Transaction date
Proposed sale
Price
9.06
Quantity 468
Value US$4,240
Ruppelt Gernot Officer Officer
Transaction date
Proposed sale
Price
9.06
Quantity 867
Value US$7,855
2.4
O'Driscoll Aideen Siobhan Officer Officer
Transaction date
Proposed sale
Price
9.06
Quantity 742
Value US$6,722
3.6
McWilliams Curtis B Director Non-Executive Director
Transaction date
Proposed sale
Price
17.80
Quantity 5,000
Value US$88,994
2.4
O'Driscoll Aideen Siobhan Officer Officer
Transaction date
Proposed sale
Price
17.56
Quantity 12,063
Value US$211,833
Gurnee Anthony Officer Officer
Transaction date
Proposed sale
Price
17.67
Quantity 159,611
Value US$2,820,326
Gurnee Anthony Officer Officer
Transaction date
Proposed sale
Price
17.61
Quantity 5,581
Value US$98,281
2.4
O'Driscoll Aideen Siobhan Officer Officer
Transaction date
Proposed sale
Price
16.98
Quantity 7,599
Value US$129,031
3.6
McWilliams Curtis B Director Non-Executive Director
Transaction date
Proposed sale
Price
17.02
Quantity 5,000
Value US$85,092
Gurnee Anthony Officer Officer
Transaction date
Proposed sale
Price
19.32
Quantity 50,000
Value US$966,000
Cameron Alistair Mark Officer Officer
Transaction date
Proposed sale
Price
19.84
Quantity 50,000
Value US$992,000
Cameron Alistair Mark Officer Officer
Transaction date
Proposed sale
Price
31.65
Quantity 63,688
Value US$2,015,441
Ruppelt Gernot Officer Officer
Transaction date
Proposed sale
Price
17.87
Quantity 27,000
Value US$482,490
Kelleher Bart B Officer Officer
Transaction date
Proposed sale
Price
17.87
Quantity 30,084
Value US$537,601
Ruppelt Gernot Officer Officer
Transaction date
Proposed sale
Price
16.76
Quantity 4,381
Value US$73,425
Cameron Alistair Mark Officer Officer
Transaction date
Proposed sale
Price
16.42
Quantity 30,343
Value US$498,232
Gurnee Anthony Officer Officer
Transaction date
Proposed sale
Price
16.42
Quantity 32,609
Value US$535,439
Ruppelt Gernot Officer Officer
Transaction date
Proposed sale
Price
16.42
Quantity 2,444
Value US$40,130
2.4
O'Driscoll Aideen Siobhan Officer Officer
Transaction date
Proposed sale
Price
16.67
Quantity 1,657
Value US$27,618
Gurnee Anthony Officer Officer
Transaction date
Proposed sale
Price
15.64
Quantity 136,026
Value US$2,127,446
Ruppelt Gernot Officer Officer
Transaction date
Proposed sale
Price
15.64
Quantity 19,824
Value US$310,047
Kelleher Bart B Officer Officer
Transaction date
Proposed sale
Price
16.02
Quantity 1,662
Value US$26,625
Ruppelt Gernot Officer Officer
Transaction date
Proposed sale
Price
15.94
Quantity 4,380
Value US$69,809
2.4
O'Driscoll Aideen Siobhan Officer Officer
Transaction date
Proposed sale
Price
15.71
Quantity 610
Value US$9,586
Ruppelt Gernot Officer Officer
Transaction date
Proposed sale
Price
15.90
Quantity 399
Value US$6,346
Cameron Alistair Mark Officer Officer
Transaction date
Proposed sale
Price
16.10
Quantity 4,247
Value US$68,385
2.4
Tikka Kirsi Director Non-Executive Director
Transaction date
Proposed sale
Price
15.81
Quantity 15,000
Value US$237,150
Gurnee Anthony Officer Officer
Transaction date
Proposed sale
Price
16.03
Quantity 8,964
Value US$143,687
2.4
O'Driscoll Aideen Siobhan Officer Officer
Transaction date
Proposed sale
Price
15.88
Quantity 334
Value US$5,305
2.7
de Jong Helen Johanna Officer Officer
Transaction date
Proposed sale
Price
16.16
Quantity 6,500
Value US$105,040
BERGLUND MATS Director Non-Executive Director
Transaction date
Proposed sale
Price
16.35
Quantity 10,000
Value US$163,500
Gurnee Anthony Officer Officer
Transaction date
Proposed sale
Price
13.76
Quantity 53,761
Value US$739,751
Kelleher Bart B Officer Officer
Transaction date
Proposed sale
Price
12.94
Quantity 22,553
Value US$291,835
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-05-19 2026-05-18 S Sale
3.6
McWilliams Curtis B
Non-Executive Director
66,101 -15.5%
61.62
US$2,455,950 		66,101 -15.5% 61.62 US$2,455,950
2026-05-19 2026-05-15 S Sale
2.7
de Jong Helen Johanna
Non-Executive Director
21,562 -40.9%
72.93
US$3,539,448 		21,562 -40.9% 72.93 US$3,539,448
2026-05-19 2026-05-15 S Sale
3.6
McWilliams Curtis B
Non-Executive Director
98,502 +19.7%
487.15
US$2,259,055 		98,502 +19.7% 487.15 US$2,259,055
2026-05-15 2026-05-15 PrS Proposed sale
3.6
McWilliams Curtis B

Director

Non-Executive Director
20,000
19.00
US$380,000 		20,000 19.00 US$380,000
2026-05-14 2026-05-13 S Sale
3.6
McWilliams Curtis B
Non-Executive Director
303 -0.4%
19.02
US$5,763 		303 -0.4% 19.02 US$5,763
2026-05-14 2026-05-12 S Sale
3.6
McWilliams Curtis B
Non-Executive Director
2,572 -3.2%
19.05
US$48,997 		2,572 -3.2% 19.05 US$48,997
2026-05-14 2026-05-12 S Sale
2.7
de Jong Helen Johanna
Non-Executive Director
1,966 -6.9%
19.02
US$37,393 		1,966 -6.9% 19.02 US$37,393
2026-05-13 2026-05-12 S Sale
2.4
Tikka Kirsi
Non-Executive Director
12,000 -25.3%
18.93
US$227,160 		12,000 -25.3% 18.93 US$227,160
2026-05-13 2026-05-12 S Sale
2.4
O'Driscoll Aideen Siobhan

SVP & Sr. Dir. of Corp. Svcs

Officer
15,848 -44.7%
18.96
US$300,478 		15,848 -44.7% 18.96 US$300,478
2026-05-12 2026-05-12 PrS Proposed sale
2.4
Tikka Kirsi

Director

Non-Executive Director
12,000
18.93
US$227,147 		12,000 18.93 US$227,147
2026-05-12 2026-05-12 PrS Proposed sale
2.4
O'Driscoll Aideen Siobhan

Officer

Officer
15,848
18.96
US$300,486 		15,848 18.96 US$300,486
2026-05-12 2026-05-12 PrS Proposed sale
2.7
de Jong Helen Johanna

Director

Non-Executive Director
3,500
19.02
US$66,564 		3,500 19.02 US$66,564
2026-05-06 2026-05-05 PlS Planned sale
Kelleher Bart B

President

Officer
8,000 -11.8%
19.07
US$152,560 		8,000 -11.8% 19.07 US$152,560
2026-05-05 2026-05-05 PrS Proposed sale
Kelleher Bart B

Officer

Officer
8,000
19.07
US$152,578 		8,000 19.07 US$152,578
2026-03-12 2026-03-12 PrS Proposed sale
Gaina Robert Cristian

Officer

Officer
7,229
14.45
US$104,459 		7,229 14.45 US$104,459
2026-03-03 2026-03-03 PrS Proposed sale
Kelleher Bart B

Officer

Officer
6,987
16.18
US$113,026 		6,987 16.18 US$113,026
2026-02-25 2026-02-25 PrS Proposed sale
BERGLUND MATS

Director

Non-Executive Director
5,000
15.50
US$77,500 		5,000 15.50 US$77,500
2026-02-23 2026-02-23 PrS Proposed sale
2.7
de Jong Helen Johanna

Director

Non-Executive Director
10,000
14.79
US$147,900 		10,000 14.79 US$147,900
2026-02-20 2026-02-20 PrS Proposed sale
Kelleher Bart B

Officer

Officer
16,000
7.50
US$120,000 		16,000 7.50 US$120,000
2025-11-07 2025-11-07 PrS Proposed sale
Cameron Alistair Mark

Officer

Officer
67,169
12.80
US$859,763 		67,169 12.80 US$859,763
2025-08-05 2025-08-05 PrS Proposed sale
Gaina Robert Cristian

Officer

Officer
6,000
11.02
US$66,120 		6,000 11.02 US$66,120
2025-06-24 2025-06-24 PrS Proposed sale
Kelleher Bart B

Officer

Officer
24,135
9.78
US$236,081 		24,135 9.78 US$236,081
2025-06-17 2025-06-12 PrS Proposed sale
3.6
McWilliams Curtis B

Director

Non-Executive Director
12,000
9.76
US$117,134 		12,000 9.76 US$117,134
2025-03-13 2025-03-13 PrS Proposed sale
Gaina Robert Cristian

Officer

Officer
983
9.78
US$9,614 		983 9.78 US$9,614
2025-03-04 2025-03-04 PrS Proposed sale
Ruppelt Gernot

Officer

Officer
2,162
8.39
US$18,140 		2,162 8.39 US$18,140
2025-03-03 2025-03-03 PrS Proposed sale
Kelleher Bart B

Officer

Officer
468
9.06
US$4,240 		468 9.06 US$4,240
2025-03-03 2025-03-03 PrS Proposed sale
Ruppelt Gernot

Officer

Officer
867
9.06
US$7,855 		867 9.06 US$7,855
2025-03-03 2025-03-03 PrS Proposed sale
2.4
O'Driscoll Aideen Siobhan

Officer

Officer
742
9.06
US$6,722 		742 9.06 US$6,722
2024-09-26 2024-09-26 PrS Proposed sale
3.6
McWilliams Curtis B

Director

Non-Executive Director
5,000
17.80
US$88,994 		5,000 17.80 US$88,994
2024-09-19 2024-09-19 PrS Proposed sale
2.4
O'Driscoll Aideen Siobhan

Officer

Officer
12,063
17.56
US$211,833 		12,063 17.56 US$211,833
2024-09-17 2024-09-17 PrS Proposed sale
Gurnee Anthony

Officer

Officer
159,611
17.67
US$2,820,326 		159,611 17.67 US$2,820,326
2024-09-16 2024-09-16 PrS Proposed sale
Gurnee Anthony

Officer

Officer
5,581
17.61
US$98,281 		5,581 17.61 US$98,281
2024-09-12 2024-09-12 PrS Proposed sale
2.4
O'Driscoll Aideen Siobhan

Officer

Officer
7,599
16.98
US$129,031 		7,599 16.98 US$129,031
2024-09-09 2024-09-09 PrS Proposed sale
3.6
McWilliams Curtis B

Director

Non-Executive Director
5,000
17.02
US$85,092 		5,000 17.02 US$85,092
2024-08-12 2024-08-12 PrS Proposed sale
Gurnee Anthony

Officer

Officer
50,000
19.32
US$966,000 		50,000 19.32 US$966,000
2024-08-05 2024-08-05 PrS Proposed sale
Cameron Alistair Mark

Officer

Officer
50,000
19.84
US$992,000 		50,000 19.84 US$992,000
2024-05-20 2024-05-20 PrS Proposed sale
Cameron Alistair Mark

Officer

Officer
63,688
31.65
US$2,015,441 		63,688 31.65 US$2,015,441
2024-05-08 2024-05-08 PrS Proposed sale
Ruppelt Gernot

Officer

Officer
27,000
17.87
US$482,490 		27,000 17.87 US$482,490
2024-05-08 2024-05-08 PrS Proposed sale
Kelleher Bart B

Officer

Officer
30,084
17.87
US$537,601 		30,084 17.87 US$537,601
2024-04-02 2024-04-02 PrS Proposed sale
Ruppelt Gernot

Officer

Officer
4,381
16.76
US$73,425 		4,381 16.76 US$73,425
2024-04-01 2024-04-01 PrS Proposed sale
Cameron Alistair Mark

Officer

Officer
30,343
16.42
US$498,232 		30,343 16.42 US$498,232
2024-04-01 2024-04-01 PrS Proposed sale
Gurnee Anthony

Officer

Officer
32,609
16.42
US$535,439 		32,609 16.42 US$535,439
2024-04-01 2024-04-01 PrS Proposed sale
Ruppelt Gernot

Officer

Officer
2,444
16.42
US$40,130 		2,444 16.42 US$40,130
2024-04-01 2024-04-01 PrS Proposed sale
2.4
O'Driscoll Aideen Siobhan

Officer

Officer
1,657
16.67
US$27,618 		1,657 16.67 US$27,618
2024-03-12 2024-03-12 PrS Proposed sale
Gurnee Anthony

Officer

Officer
136,026
15.64
US$2,127,446 		136,026 15.64 US$2,127,446
2024-03-12 2024-03-12 PrS Proposed sale
Ruppelt Gernot

Officer

Officer
19,824
15.64
US$310,047 		19,824 15.64 US$310,047
2024-03-05 2024-03-05 PrS Proposed sale
Kelleher Bart B

Officer

Officer
1,662
16.02
US$26,625 		1,662 16.02 US$26,625
2024-03-05 2024-03-05 PrS Proposed sale
Ruppelt Gernot

Officer

Officer
4,380
15.94
US$69,809 		4,380 15.94 US$69,809
2024-03-05 2024-03-05 PrS Proposed sale
2.4
O'Driscoll Aideen Siobhan

Officer

Officer
610
15.71
US$9,586 		610 15.71 US$9,586
2024-03-04 2024-03-04 PrS Proposed sale
Ruppelt Gernot

Officer

Officer
399
15.90
US$6,346 		399 15.90 US$6,346
2024-03-04 2024-03-04 PrS Proposed sale
Cameron Alistair Mark

Officer

Officer
4,247
16.10
US$68,385 		4,247 16.10 US$68,385
2024-03-04 2024-03-04 PrS Proposed sale
2.4
Tikka Kirsi

Director

Non-Executive Director
15,000
15.81
US$237,150 		15,000 15.81 US$237,150
2024-03-04 2024-03-04 PrS Proposed sale
Gurnee Anthony

Officer

Officer
8,964
16.03
US$143,687 		8,964 16.03 US$143,687
2024-03-04 2024-03-04 PrS Proposed sale
2.4
O'Driscoll Aideen Siobhan

Officer

Officer
334
15.88
US$5,305 		334 15.88 US$5,305
2024-02-22 2024-02-22 PrS Proposed sale
2.7
de Jong Helen Johanna

Officer

Officer
6,500
16.16
US$105,040 		6,500 16.16 US$105,040
2024-02-20 2024-02-20 PrS Proposed sale
BERGLUND MATS

Director

Non-Executive Director
10,000
16.35
US$163,500 		10,000 16.35 US$163,500
2023-12-08 2023-12-08 PrS Proposed sale
Gurnee Anthony

Officer

Officer
53,761
13.76
US$739,751 		53,761 13.76 US$739,751
2023-10-11 2023-10-11 PrS Proposed sale
Kelleher Bart B

Officer

Officer
22,553
12.94
US$291,835 		22,553 12.94 US$291,835
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