Comparable stake leader
Charles Gillespie
SEC ownership of Gambling.com Group Ltd
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001839799.
Disclosed value leader
Charles Gillespie
Comparable rows
50/50
Latest evidence
21 May 2026
- Public ticker
- GAMB on Nasdaq
- Parsed ownership sources
- 13D/G, 3/4/5, and 13F
- Largest SEC-reported holder
- Charles Gillespie
- Latest 13D/G holder
- Charles Gillespie
- Latest parsed ownership date
- 21 May 2026
- Issuer CIK
- 0001839799
- Issuer location
- St. Helier, Jersey
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 Gambling.com Group Ltd (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
Charles Gillespie
Disclosed value leader
Charles Gillespie
Comparable rows
50/50
Latest evidence
21 May 2026
13D/G
3/4/5
13F
Lead comparable stake: 11%
13D/G row: Charles Gillespie
Showing 1-8 of 50 holder rows.
Quick read
Charles Gillespie leads the comparable SEC ownership view at 11%.
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 Charles Gillespie's linked filing trail.
Comparable ownership
Top 5
Charles Gillespie
11%
AWM Investment Company, Inc.
7.1%
Edison Partners Management LLC
3.6%
Fintan Costello
0.3%
Michael Quartieri
0.3%
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 |
|---|---|---|---|---|---|
| Charles Gillespie |
13D/G
3/4/5
Director
|
11%
|
$28,195,528
3,894,410 shares
|
+$2,541,240 | 21 Nov 2025 |
| AWM Investment Company, Inc. |
13F
13D/G
Company
|
7.1%
from 13D/G
|
$9,647,531
2,486,477 shares
|
— | 31 Mar 2026 |
| Edison Partners Management LLC |
13D/G
|
3.6%
|
$5,497,338
1,290,455 shares
|
$0 | 31 Dec 2025 |
| Fintan Costello |
3/4/5
Director
|
0.3%
|
$411,745
106,120 shares
|
— | 21 May 2026 |
| Michael Quartieri |
3/4/5
Director
|
0.3%
|
$409,394
105,514 shares
|
— | 21 May 2026 |
| Par Gustaf Sundberg |
3/4/5
Director
|
0.2%
|
$298,233
68,876 shares
|
— | 18 Mar 2026 |
| Carol K. Anderson |
3/4/5
Director
|
0.19%
|
$262,873
67,751 shares
|
— | 20 May 2026 |
| Jayme Mendal |
3/4/5
Director
|
0.04%
|
$54,540
12,596 shares
|
— | 18 Mar 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 buying over the last 12 months. Net value: +$27,404.
Buys
$27,404
Insiders: 3
Sells
$0
Insiders: 0
Net
+$27,404
Shares: +8,458
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 8,458
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 8,458 | 0 | $27,404 | $0 | +$27,404 |
| 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 1-11 of 11 reporting-owner rows connected to Gambling.com Group Ltd. Open a relationship link for the CIK-to-CIK filing trail.
Rows
11
Largest Forms 3/4/5 holder
Charles Gillespie
Net 12M change
+$27,403
Latest report
21 May 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Charles Gillespie | Director | $15,160,838 | +$12,506 | +0.08% | Mixed | 21 May 2026 |
| Kevin Ross McCrystle | CEO, Director | $3,246,107 | +$2,391 | +0.07% | Filing P/S | 21 May 2026 |
| Martin Elias Mark | Cfo | $2,602,549 | +$12,506 | +0.48% | Filing P/S | 15 Apr 2026 |
| Fintan Costello | Director | $411,745 | Median | 21 May 2026 | ||
| Michael Quartieri | Director | $409,394 | Median | 21 May 2026 | ||
| Par Gustaf Sundberg | Director | $298,233 | Mixed | 18 Mar 2026 | ||
| Carol K. Anderson | Director | $262,873 | Median | 20 May 2026 | ||
| Susan Elisabeth Ball | Director | $218,474 | Mixed | 21 May 2026 | ||
| Jayme Mendal | Director | $54,540 | Mixed | 18 Mar 2026 | ||
| Ellen Monaghan | SVP People | $10,922 | Median | 01 Apr 2026 | ||
| Johnny Hartnett | Director | Mixed | 20 May 2026 |
Recent insider transactions for Gambling.com Group Ltd
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Michael Quartieri | GAMB | Ordinary Shares | Award | 179.4% | 67,751 | 105,514 | 21 May 2026 | Direct | ||
| Kevin Ross McCrystle | GAMB | Restricted Stock Units | Award | 642.8% | 542,360 | 626,735 | 21 May 2026 | Direct | ||
| Charles Gillespie | GAMB | Restricted Stock Units | Award | 159.2% | 172,391 | 280,661 | 21 May 2026 | Direct | ||
| Fintan Costello | GAMB | Ordinary Shares | Award | 176.6% | 67,751 | 106,120 | 21 May 2026 | Direct | ||
| Susan Elisabeth Ball | GAMB | Stock Options | Award | 73.3% | 102,312 | 241,906 | 21 May 2026 | Direct | ||
| Martin Elias Mark | GAMB | Ordinary Shares | Purchase | 0.48% | $12,506 | $3.24 | 3,860 | 803,256 | 15 Apr 2026 | Direct |
| Kevin Ross McCrystle | GAMB | Ordinary Shares | Purchase | 0.07% | $2,391 | $3.24 | 738 | 1,001,885 | 15 Apr 2026 | Direct |
| Charles Gillespie | GAMB | Ordinary Shares | Purchase | 1.73% | $12,506 | $3.24 | 3,860 | 226,641 | 15 Apr 2026 | Direct |
| Kevin Ross McCrystle | GAMB | Ordinary Shares | Options Exercise | 1.01% | 10,011 | 1,001,147 | 06 Apr 2026 | Direct | ||
| Kevin Ross McCrystle | GAMB | Restricted Stock Units | Options Exercise | -17.3% | -17,700 | 84,375 | 06 Apr 2026 | Direct | ||
| Martin Elias Mark | GAMB | Ordinary Shares | Options Exercise | 1.46% | 11,508 | 799,396 | 06 Apr 2026 | Direct | ||
| Martin Elias Mark | GAMB | Restricted Stock Units | Options Exercise | -5.12% | -11,508 | 213,257 | 06 Apr 2026 | Direct | ||
| Charles Gillespie | GAMB | Ordinary Shares | Options Exercise | 11.4% | 22,757 | 222,781 | 06 Apr 2026 | Direct | ||
| Charles Gillespie | GAMB | Restricted Stock Units | Options Exercise | -17.4% | -22,757 | 108,270 | 06 Apr 2026 | Direct | ||
| Ellen Monaghan | GAMB | Ordinary Shares | Options Exercise | 71.6% | 1,175 | 2,815 | 01 Apr 2026 | Direct | ||
| Ellen Monaghan | GAMB | Restricted Stock Units | Options Exercise | -4.4% | -2,459 | 53,489 | 01 Apr 2026 | Direct | ||
| Ellen Monaghan | GAMB | Restricted Stock Units | Award | 229.8% | 38,985 | 55,948 | 01 Apr 2026 | Direct | ||
| Martin Elias Mark | GAMB | Ordinary Shares | Options Exercise | 1.28% | 9,990 | 787,888 | 01 Apr 2026 | Direct | ||
| Martin Elias Mark | GAMB | Restricted Stock Units | Award | 248.5% | 160,272 | 224,765 | 01 Apr 2026 | Direct | ||
| Martin Elias Mark | GAMB | Restricted Stock Units | Options Exercise | -13.4% | -9,990 | 64,493 | 01 Apr 2026 | Direct | ||
| Kevin Ross McCrystle | GAMB | Ordinary Shares | Options Exercise | 0.94% | 9,233 | 991,136 | 01 Apr 2026 | Direct | ||
| Kevin Ross McCrystle | GAMB | Restricted Stock Units | Options Exercise | -13.8% | -16,326 | 102,075 | 01 Apr 2026 | Direct | ||
| Charles Gillespie | GAMB | Ordinary Shares | Options Exercise | 11.7% | 20,919 | 200,024 | 01 Apr 2026 | Direct | ||
| Charles Gillespie | GAMB | Restricted Stock Units | Options Exercise | -13.8% | -20,919 | 131,027 | 01 Apr 2026 | Direct |
* marks a reported price that did not pass the local price check.