InsidersTradesSigma
Total declarations
Companies
▲ Purchases (70 ops.)
▼ Sales (87 ops.)
Insider track record
CEODisclosed buys
70
Disclosed sells
87
T+90 hit rate
41%
T+90 mean return
+1.3%
Across 17 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the full record of transactions filed by Gabelli Mario J, Chairman and Chief Executive Officer. Officer active across 20 companies, notably Gamco Investors, INC. et AL. In total, 218 disclosures have been logged. Split: 70 buys · 87 sells. Total volume traded: €109.3m. Activity tracked since 3 May 2021. The latest transaction was filed on 26 December 2025 (Acquisition). Regulator: SEC (Form 4). All data is openly available.
Companies and markets linked to Gabelli Mario J
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations218 total
621,928 shares@ US$6.909.55% mcap45.3% of flowCommon StockSEC:0000807249-26-000053:0
572,324 shares@ US$6.908.79% mcap41.7% of flowCommon StockSEC:0000807249-26-000053:1
156,197 shares@ US$5.004.4% of flowCommon Stock, Par Value $0.001SEC:0001185533-26-000012:0
84,168 shares@ US$5.002.4% of flowCommon Stock, Par Value $0.001SEC:0001185533-26-000012:1
190,000 shares@ US$10.0028.3% of flowSeries B Cumulative Preferred SharesSEC:0001185533-26-000011:0
25,000 shares@ US$4.05843.8% of flowCommon Stock, Par Value $0.001SEC:0001185533-26-000010:0
Canonical exit: 25 May 2026 (T+90)
800 shares@ US$8.520.1% of flowCommon Shares, Par Value $0.001SEC:0001185533-26-000009:0
4,500 shares@ US$29.09330.3% of flowCommon Shares, Par Value $0.001SEC:0001185533-26-000008:0
Canonical exit: 18 May 2026 (T+90)
5,500 shares@ US$28.71740.4% of flowCommon Shares, Par Value $0.001SEC:0001185533-26-000007:0
Canonical exit: 27 Apr 2026 (T+90)
169,993 shares@ US$4.7564.4% of flowCommon StockSEC:0000807249-26-000011:0
3,800 shares@ US$9.580.1% of flowCommon Shares, Par Value $0.001SEC:0001185533-26-000006:0
Canonical exit: 12 Apr 2026 (T+90)
800 shares@ US$8.390.1% of flowCommon Shares, Par Value $0.001SEC:0001185533-26-000005:0
990 shares@ US$9.580.0% of flowCommon Shares, Par Value $0.001SEC:0001185533-26-000004:0
Canonical exit: 8 Apr 2026 (T+90)
1,300 shares@ US$22.2553.2% of flowCommon SharesSEC:0001185533-26-000002:0
500,000 shares@ US$10.008.9% of flowSeries E Cumulative Preferred SharesSEC:0001185533-26-000001:0
Canonical exit: 26 Mar 2026 (T+90)
400,000 shares@ US$10.009.5% of flowSeries M Cumulative Preferred SharesSEC:0001185533-25-000018:0
Canonical exit: 26 Mar 2026 (T+90)
95,387 shares@ US$4.7535.6% of flowCommon StockSEC:0000807249-25-000183:0
Canonical exit: 30 Mar 2026 (T+90)
500,000 shares@ US$10.0024.9% of flowSeries Q Cumulative Preferred SharesSEC:0001185533-25-000017:0
Canonical exit: 26 Mar 2026 (T+90)
100,000 shares@ US$10.001.9% of flowSeries G Cumulative Preferred SharesSEC:0001185533-25-000016:0
Canonical exit: 26 Mar 2026 (T+90)
16,750 shares@ US$100.008.3% of flowSeries N Cumulative Preferred StockSEC:0001185533-25-000015:0
9,000 shares@ US$4.201.5% of flowCommon Stock, Par Value $0.001SEC:0001185533-25-000014:0
9,000 shares@ US$4.18171.5% of flowCommon Stock, Par Value $0.001SEC:0001185533-25-000013:0
2,000 shares@ US$4.18170.3% of flowCommon Stock, Par Value $0.001SEC:0001185533-25-000012:0
2,000 shares@ US$4.15380.3% of flowCommon Stock, Par Value $0.001SEC:0001185533-25-000011:0
2,500 shares@ US$9.68770.0% of flowCommon Shares, Par Value $0.001SEC:0001185533-25-000010:0
Canonical exit: 3 Mar 2026 (T+90)
25 of 218 declarations
About Gabelli Mario J
Mario J. Gabelli is Chairman and Chief Executive Officer, and a declarant associated with M-tron Industries, Inc. He has filed 216 filings in total, and across the recent filings tracked, the reported buys amount to EUR 95,990,847 and the reported sells to EUR 13,333,981, between 2016-01-04 and 2026-04-29.
