M-tron Industries, Inc. (MPTI) - 13D/13G Filings

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Time period
Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2026-05-14
3:24 pm
Purchase
2026-03-3113GM-TRON INDS INC
MPTI
BANK OF AMERICA CORP /DE/
BAC
212,437
6.100%
212,437increase
(New Position)
Filing
History
2026-04-27
4:12 pm
Purchase
2026-03-3113GM-TRON INDS INC
MPTI
BlackRock Inc.
BLK
282,630
7.600%
282,630increase
(New Position)
Filing
History
2026-03-27
4:02 pm
Purchase
2026-03-2613DM-TRON INDS INC
MPTI
GAMCO INVESTORS, INC. ET AL
GBL
168,400
4.700%
4,471increase
(+2.73%)
Filing
History
2024-12-16
4:00 pm
Sale
2024-12-1313DM-TRON INDS INC
MPTI
GAMCO INVESTORS, INC. ET AL
GBL
163,929
5.600%
-1,650decrease
(-1.00%)
Filing
History
2024-11-27
4:09 pm
Sale
2024-11-2613DM-TRON INDS INC
MPTI
GAMCO INVESTORS, INC. ET AL
GBL
165,579
5.600%
-10,928decrease
(-6.19%)
Filing
History
2024-11-15
4:06 pm
Unchanged
2024-11-1413DM-TRON INDS INC
MPTI
GAMCO INVESTORS, INC. ET AL
GBL
176,507
5.970%
0
(Unchanged)
Filing
History
2024-11-08
4:13 pm
Sale
2024-11-0713DM-TRON INDS INC
MPTI
GAMCO INVESTORS, INC. ET AL
GBL
176,507
6.100%
-5,641decrease
(-3.10%)
Filing
History
2024-08-21
4:31 pm
Sale
2024-08-2013DM-TRON INDS INC
MPTI
GAMCO INVESTORS, INC. ET AL
GBL
182,148
6.290%
-16,845decrease
(-8.47%)
Filing
History
2024-03-07
4:04 pm
Sale
2024-03-0413DM-TRON INDS INC
MPTI
GAMCO INVESTORS, INC. ET AL
GBL
198,993
6.920%
-15,455decrease
(-7.21%)
Filing
History
2024-01-16
4:16 pm
Sale
2024-01-0513DM-TRON INDS INC
MPTI
GABELLI MARC70,439
2.450%
-845decrease
(-1.19%)
Filing
History
2024-01-08
4:14 pm
Sale
2024-01-0313DM-TRON INDS INC
MPTI
GABELLI MARC71,284
2.480%
-73,788decrease
(-50.86%)
Filing
History
2023-12-26
4:15 pm
Sale
2023-12-2213DM-TRON INDS INC
MPTI
GABELLI MARC145,072
5.040%
-37,310decrease
(-20.46%)
Filing
History
2023-12-12
4:17 pm
Sale
2023-12-0513DM-TRON INDS INC
MPTI
GABELLI MARC182,382
6.350%
-45,686decrease
(-20.03%)
Filing
History
2023-12-11
4:09 pm
Sale
2023-12-0813DM-TRON INDS INC
MPTI
GAMCO INVESTORS, INC. ET AL
GBL
214,448
7.460%
-27,875decrease
(-11.50%)
Filing
History
2023-12-05
4:52 pm
Sale
2023-12-0113DM-TRON INDS INC
MPTI
GABELLI MARC228,068
7.930%
-95,491decrease
(-29.51%)
Filing
History
2023-12-05
4:49 pm
Purchase
2023-11-2813DM-TRON INDS INC
MPTI
GABELLI MARC323,559
11.260%
323,559increase
(New Position)
Filing
History
2023-11-15
4:07 pm
Sale
2023-11-1313DM-TRON INDS INC
MPTI
GAMCO INVESTORS, INC. ET AL
GBL
242,323
8.430%
-6,186decrease
(-2.49%)
Filing
History
2023-10-10
4:13 pm
Sale
2023-10-0913DM-TRON INDS INC
MPTI
GAMCO INVESTORS, INC. ET AL
GBL
248,509
8.840%
-9,588decrease
(-3.71%)
Filing
History
2022-10-14
4:14 pm
Purchase
2022-10-0713DM-TRON INDS INC
MPTI
GAMCO INVESTORS, INC. ET AL
GBL
258,097
9.260%
258,097increase
(New Position)
Filing
History