Comparable stake leader
Marc Gabelli
SEC ownership of LGL GROUP INC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000061004.
Disclosed value leader
Marc Gabelli
Comparable rows
1/41
Latest evidence
01 Oct 2026
- Public ticker
- LGL on NYSE
- Parsed ownership sources
-
13D/G, 3/4/5, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Marc Gabelli
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
1 of 41
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Marc Gabelli
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
01 Oct 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0000061004
- Issuer location
- Arlington, VA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of LGL GROUP INC (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
Marc Gabelli
Disclosed value leader
Marc Gabelli
Comparable rows
1/41
Latest evidence
01 Oct 2026
13D/G
3/4/5
13F
Lead comparable stake: 35%
40 rows are not safely comparable across share classes.
13D/G row: Marc Gabelli
Showing 1-8 of 41 holder rows.
Quick read
Marc Gabelli leads the comparable SEC ownership view at 35%.
1 of 41 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 Marc Gabelli's linked filing trail.
Comparable ownership
Top 1
Marc Gabelli
35%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 41 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Marc Gabelli |
13D/G
3/4/5
GABELLI MARC · Director, 10%+ Owner
|
35%
Reported 13D/G
· 15 Jul 2026
|
$30,315,245
4,387,727 shares
|
$0 | 15 Jul 2026 |
| Mario J. Gabelli |
3/4/5
10%+ Owner
|
—
mixed-class rows
|
$25,320,864
2,437,244 shares
mixed-class rows
|
+$453,088 | 16 Jul 2026 |
| GAMCO INVESTORS, INC. ET AL |
13F
Company
|
—
denominator unverified
|
$4,635,097
670,781 shares
|
— | 30 Jun 2026 |
| BARD ASSOCIATES INC |
13F
Company
|
—
denominator unverified
|
$3,378,458
488,923 shares
|
— | 30 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
—
denominator unverified
|
$1,718,462
248,692 shares
|
— | 30 Jun 2026 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
—
denominator unverified
|
$1,171,204
169,494 shares
|
— | 30 Jun 2026 |
| Jason D. Lamb |
3/4/5
Chief Executive Officer
|
—
mixed-class rows
|
$690,910
150,000 shares
mixed-class rows
|
— | 15 Jul 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
—
denominator unverified
|
$685,748
99,240 shares
|
— | 30 Jun 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: +$453,088.
Buys
$453,088
Insiders: 1
Sells
$0
Insiders: 0
Net
+$453,088
Shares: +95,387
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 95,387
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 95,387 | 0 | $453,088 | $0 | +$453,088 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 21 reporting-owner rows connected to LGL GROUP INC. Open a relationship link for the CIK-to-CIK filing trail.
Rows
21
Largest Forms 3/4/5 holder
Marc Gabelli
Net 12M change
+$453.09K
Full value: +$453,088 · USD · 12-month changeLatest report
01 Oct 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Marc Gabelli | Director, 10%+ Owner | $30,315,243 | Mixed | 15 Jul 2026 | ||
| Mario J. Gabelli | 10%+ Owner | $25,320,864 | +$453,088 | +1.8% | Mixed | 16 Jul 2026 |
| Jason D. Lamb | Chief Executive Officer | $690,910 | Mixed | 15 Jul 2026 | ||
| Timothy Foufas | Co-Chief Executive Officer, Director | $457,353 | Mixed | 25 Mar 2025 | ||
| Michael J. Ferrantino Jr. | Director | $333,705 | Mixed | 25 Mar 2025 | ||
| Donald H. Hunter | Director | $277,347 | Mixed | 28 Dec 2021 | ||
| Ivan Arteaga | Director | $209,378 | Mixed | 28 Dec 2021 | ||
| Manjit Kalha | Director | $199,007 | Mixed | 26 Mar 2026 | ||
| Christopher Bruns | Vice President / Controller | $136,970 | Median | 01 Oct 2026 | ||
| Patrick Huvane | EVP - Business Development | $126,035 | Mixed | 15 Jul 2026 | ||
| Linda M. Biles | Vice President / Controller | $108,591 | Mixed | 16 Jan 2026 | ||
| Bel Lazar | Director | $74,705 | Mixed | 28 Dec 2021 | ||
| John S. Mega | Director | $69,298 | Mixed | 28 Dec 2021 | ||
| Tiffany Renee Hayden | Vice President | $67,600 | Mixed | 15 Jul 2026 | ||
| DeRemer Darlene T. | Director | $41,681 | Mixed | 26 Mar 2026 | ||
| Kaan Kerem Aslansan | Director | $41,681 | Mixed | 26 Mar 2026 | ||
| Herve Francois | Director | $41,681 | Mixed | 26 Mar 2026 | ||
| James W. Tivy | Chief Financial Officer | $31,380 | Mixed | 07 Oct 2022 | ||
| Colin J. Kilrain | Director | $11,885 | Mixed | 26 Mar 2026 | ||
| Christopher L. Nossokoff | Vice President - Finance | $0 | Mixed | 16 Apr 2024 |
Recent insider transactions for LGL GROUP INC
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Mario J. Gabelli | LGL | Common Stock | Exercise of in-the-money or at-the-money derivative security | 100% | 572,324 | 1,144,648 | 16 Jul 2026 | By: GGCP, Inc. | ||
| Mario J. Gabelli | LGL | Common Stock | Exercise of in-the-money or at-the-money derivative security | 92.7% | 621,928 | 1,292,596 | 16 Jul 2026 | Direct | ||
| Mario J. Gabelli | LGL | Subscription Rights (right to purchase) | Exercise of in-the-money or at-the-money derivative security | -100% | -572,324 | 0 | 16 Jul 2026 | By: GGCP, Inc. | ||
| Mario J. Gabelli | LGL | Subscription Rights (right to purchase) | Exercise of in-the-money or at-the-money derivative security | -100% | -621,928 | 0 | 16 Jul 2026 | Direct | ||
| Tiffany Renee Hayden | LGL | Subscription Rights (right to purchase) | Sale | -100% | -10,000 | 0 | 15 Jul 2026 | Direct | ||
| Marc Gabelli | LGL | Common Stock | Exercise of in-the-money or at-the-money derivative security | 164% | 1,477,660 | 2,378,606 | 15 Jul 2026 | Shares held by Ltd. Partnership | ||
| Marc Gabelli | LGL | Common Stock | Exercise of in-the-money or at-the-money derivative security | 1195.3% | 1,854,015 | 2,009,121 | 15 Jul 2026 | Direct | ||
| Marc Gabelli | LGL | Subscription Rights (right to purchase) | Exercise of in-the-money or at-the-money derivative security | -100% | -764,303 | 0 | 15 Jul 2026 | Shares held by Ltd. Partnership | ||
| Marc Gabelli | LGL | Subscription Rights (right to purchase) | Exercise of in-the-money or at-the-money derivative security | -100% | -114,523 | 0 | 15 Jul 2026 | Direct | ||
| Jason D. Lamb | LGL | Common Stock | Exercise of in-the-money or at-the-money derivative security | 100% | 50,000 | 100,000 | 15 Jul 2026 | Direct | ||
| Jason D. Lamb | LGL | Subscription Rights (right to purchase) | Exercise of in-the-money or at-the-money derivative security | 50,000 | 0 | 15 Jul 2026 | Direct | |||
| Patrick Huvane | LGL | Common Stock | Exercise of in-the-money or at-the-money derivative security | 111.6% | 9,621 | 18,242 | 15 Jul 2026 | Direct | ||
| Patrick Huvane | LGL | Subscription Rights (right to purchase) | Exercise of in-the-money or at-the-money derivative security | 8,621 | 0 | 15 Jul 2026 | Direct | |||
| Mario J. Gabelli | LGL | Subscription Rights (right to purchase) | Sale | -1.54% | -10,342 | 660,326 | 15 Jun 2026 | Direct | ||
| Colin J. Kilrain | LGL | Common Stock | Award | 2,067 | 2,067 | 26 Mar 2026 | Direct | |||
| Manjit Kalha | LGL | Common Stock | Award | 6.89% | 2,067 | 32,060 | 26 Mar 2026 | Direct | ||
| Herve Francois | LGL | Common Stock | Award | 39.9% | 2,067 | 7,249 | 26 Mar 2026 | Direct | ||
| DeRemer Darlene T. | LGL | Common Stock | Award | 39.9% | 2,067 | 7,249 | 26 Mar 2026 | Direct | ||
| Kaan Kerem Aslansan | LGL | Common Stock | Award | 39.9% | 2,067 | 7,249 | 26 Mar 2026 | Direct | ||
| Marc Gabelli | LGL | Common Stock | Award | 1.43% | 2,067 | 146,381 | 26 Mar 2026 | Direct | ||
| Patrick Huvane | LGL | Common Stock | Tax liability | -13.8% | -1,379 | 8,621 | 21 Jan 2026 | Direct | ||
| Jason D. Lamb | LGL | Common Stock | Award | 50,000 | 50,000 | 16 Jan 2026 | Direct | |||
| Jason D. Lamb | LGL | Stock Option (right to buy) | Award | 50,000 | 50,000 | 16 Jan 2026 | Direct | |||
| Mario J. Gabelli | LGL | Common Stock | Options Exercise | 34% | 169,993 | 670,668 | 16 Jan 2026 | Direct | ||
| Marc Gabelli | LGL | Common Stock | Award | 53% | 50,000 | 144,314 | 16 Jan 2026 | Direct | ||
| Marc Gabelli | LGL | Common Stock | Options Exercise | 9.97% | 8,552 | 94,314 | 16 Jan 2026 | Direct | ||
| Marc Gabelli | LGL | Stock Options | Award | 150,000 | 100,000 | 16 Jan 2026 | Direct | |||
| Patrick Huvane | LGL | Common Stock | Award | 10,000 | 10,000 | 16 Jan 2026 | Direct | |||
| Tiffany Renee Hayden | LGL | Common Stock | Award | 10,000 | 10,000 | 16 Jan 2026 | Direct | |||
| Linda M. Biles | LGL | Common Stock | Award | 113.4% | 10,000 | 18,820 | 16 Jan 2026 | Direct | ||
| Mario J. Gabelli | LGL | Common Stock | Purchase | 20% | $453,088 | $4.75 | 95,387 | 572,324 | 30 Dec 2025 | By: GGCP, Inc. |
* marks a reported price that did not pass the local price check.