Comparable stake leader
BlackRock, Inc.
SEC ownership of Ardmore Shipping Corp
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001577437.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
15 May 2026
- Public ticker
- ASC on NYSE
- Parsed ownership sources
- 13F, 13D/G, and 3/4/5
- Largest SEC-reported holder
- BlackRock, Inc.
- Latest 13D/G holder
- BlackRock, Inc.
- Latest parsed ownership date
- 15 May 2026
- Issuer CIK
- 0001577437
- Issuer location
- Hamilton
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Ardmore Shipping Corp (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
15 May 2026
13F
13D/G
3/4/5
Lead comparable stake: 5%
13D/G row: BlackRock, Inc.
Showing 1-8 of 50 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 5%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
5%
TEEKAY TANKERS LTD.
3.8%
Gernot Ruppelt
0.37%
Curtis B. McWilliams
0.15%
Bart B. Kelleher
0.15%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
5%
from 13D/G
|
$48,495,896
3,180,059 shares
|
— | 31 Mar 2026 |
| TEEKAY TANKERS LTD. |
13D/G
|
3.8%
|
$18,402,120
1,550,305 shares
|
-$5,931,902 | 23 Sep 2025 |
| Gernot Ruppelt |
3/4/5
Chief Executive Officer, Director
|
0.37%
|
$2,412,082
151,133 shares
|
— | 18 Mar 2026 |
| Curtis B. McWilliams |
3/4/5
Director
|
0.15%
|
$1,175,842
60,673 shares
|
-$386,328 | 15 May 2026 |
| Bart B. Kelleher |
3/4/5
President
|
0.15%
|
$1,144,943
60,039 shares
|
-$152,560 | 05 May 2026 |
| Kirsi Tikka |
3/4/5
Director
|
0.09%
|
$671,466
35,471 shares
|
-$227,160 | 12 May 2026 |
| Helen Johanna de Jong |
3/4/5
Director
|
0.06%
|
$469,331
24,793 shares
|
-$66,432 | 15 May 2026 |
| Aideen Siobhan O'Driscoll |
3/4/5
SVP & Sr. Dir. of Corp. Svcs
|
0.05%
|
$371,862
19,613 shares
|
-$300,478 | 12 May 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$1,132,958.
Buys
$0
Insiders: 0
Sells
$1,132,958
Insiders: 5
Net
-$1,132,958
Shares: -59,348
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 59,348
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 59,348 | $0 | $1,132,958 | -$1,132,958 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-10 of 10 reporting-owner rows connected to Ardmore Shipping Corp. Open a relationship link for the CIK-to-CIK filing trail.
Rows
10
Largest Forms 3/4/5 holder
Gernot Ruppelt
Net 12M change
-$1,132,958
Latest report
15 May 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Gernot Ruppelt | Chief Executive Officer, Director | $2,412,082 | Mixed | 18 Mar 2026 | ||
| Curtis B. McWilliams | Director | $1,175,842 | -$386,328 | -25% | Filing P/S | 15 May 2026 |
| Bart B. Kelleher | President | $1,144,943 | -$152,560 | -12% | Filing P/S | 05 May 2026 |
| Kirsi Tikka | Director | $671,466 | -$227,160 | -25% | Filing P/S | 12 May 2026 |
| Helen Johanna de Jong | Director | $469,331 | -$66,432 | -12% | Filing P/S | 15 May 2026 |
| Aideen Siobhan O'Driscoll | SVP & Sr. Dir. of Corp. Svcs | $371,862 | -$300,478 | -45% | Filing P/S | 12 May 2026 |
| Mats Berglund | Director | $205,101 | Mixed | 18 Mar 2026 | ||
| James Alistair Fok | Director | $177,954 | Mixed | 18 Mar 2026 | ||
| Robert Cristian Gaina | Chief Operating Officer | $57,823 | Mixed | 18 Mar 2026 | ||
| John Mr Russell | Chief Financial Officer | Mixed | 18 Mar 2026 |
Recent insider transactions for Ardmore Shipping Corp
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Curtis B. McWilliams | ASC | Common Stock | Sale | -21.2% | $315,448 | $19.38 | -16,277 | 60,673 | 18 May 2026 | Direct |
| Helen Johanna de Jong | ASC | Common Stock | Sale | -5.83% | $29,039 | $18.93 | -1,534 | 24,793 | 15 May 2026 | Direct |
| Curtis B. McWilliams | ASC | Common Stock | Sale | -1.09% | $16,120 | $19.01 | -848 | 76,950 | 15 May 2026 | Direct |
| Curtis B. McWilliams | ASC | Common Stock | Sale | -0.39% | $5,763 | $19.02 | -303 | 77,798 | 13 May 2026 | Direct |
| Helen Johanna de Jong | ASC | Common Stock | Sale | -6.95% | $37,393 | $19.02 | -1,966 | 26,327 | 12 May 2026 | Direct |
| Curtis B. McWilliams | ASC | Common Stock | Sale | -3.19% | $48,997 | $19.05 | -2,572 | 78,101 | 12 May 2026 | Direct |
| Kirsi Tikka | ASC | Common Stock | Sale | -25.3% | $227,160 | $18.93 | -12,000 | 35,471 | 12 May 2026 | Direct |
| Aideen Siobhan O'Driscoll | ASC | Common Stock | Sale | -44.7% | $300,478 | $18.96 | -15,848 | 19,613 | 12 May 2026 | Direct |
| Bart B. Kelleher | ASC | Common Stock | Sale | -11.8% | $152,560 | $19.07 | -8,000 | 60,039 | 05 May 2026 | Direct |
* marks a reported price that did not pass the local price check.