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ALGMNasdaq · Semiconductors & Related Devices

ALLEGRO MICROSYSTEMS, INC.

Alert me on ALGM
0
Insider buys, 6 months
1
Congress trades, 6 months
0
Signals, 6 months

Six months

ALGM stock chart by TradingView

After each filing

14
Oct 12 Buy Rep. Gilbert Cisneros House
1 week
+0.8%S&P −1.2%
1 month
Result in2 trading days
3 months
Result in44 trading days
6 months
Result in107 trading days
Aug 19 Sale Raubacher Jennie Insider
1 week
−3.8%S&P −0.4%
1 month
−11.1%S&P −0.7%
3 months
Result in6 trading days
6 months
Result in69 trading days
Aug 13 Sale Hagen Erin Insider
1 week
−15.7%S&P −2.0%
1 month
−23.3%S&P −2.2%
3 months
Result in2 trading days
6 months
Result in65 trading days
Jun 5 Sale Madormo Richard Insider
1 week
+8.7%S&P +0.6%
1 month
+10.9%S&P +1.3%
3 months
−21.1%S&P +4.7%
6 months
Result in18 trading days
May 27 Sale Coleman Troy Insider
1 week
+8.4%S&P +0.5%
1 month
+18.1%S&P −2.6%
3 months
−24.7%S&P +2.3%
6 months
Result in11 trading days
Show all 14
May 23 Sale Webster Roald Graham Insider
1 week
−0.8%S&P +1.2%
1 month
+18.5%S&P −1.9%
3 months
−26.2%S&P +2.3%
6 months
Result in10 trading days
May 20 Sale Kent Ian Insider
1 week
+15.3%S&P +1.8%
1 month
+38.9%S&P +0.7%
3 months
−16.1%S&P +3.1%
6 months
Result in7 trading days
May 16 Sale Lynch Susan D Insider
1 week
+22.8%S&P +1.6%
1 month
+30.5%S&P +0.3%
3 months
−4.7%S&P +4.2%
6 months
Result in5 trading days
May 14 Sale Briansky Sharon Insider
1 week
−0.6%S&P −0.7%
1 month
+22.3%S&P +0.9%
3 months
−1.3%S&P +4.0%
6 months
Result in3 trading days
May 14 Sale Doogue Michael Insider
1 week
−0.6%S&P −0.7%
1 month
+22.3%S&P +0.9%
3 months
−1.3%S&P +4.0%
6 months
Result in3 trading days
Mar 4 Sale Hagen Erin Insider
1 week
−3.0%S&P −1.3%
1 month
−4.3%S&P −4.0%
3 months
+55.9%S&P +10.4%
6 months
+4.1%S&P +12.3%
Mar 4 Sale Briansky Sharon Insider
1 week
−3.0%S&P −1.3%
1 month
−4.3%S&P −4.0%
3 months
+55.9%S&P +10.4%
6 months
+4.1%S&P +12.3%
Feb 19 Sale Briansky Sharon Insider
1 week
+1.4%S&P +0.7%
1 month
−17.4%S&P −5.0%
3 months
+22.3%S&P +8.6%
6 months
+2.6%S&P +12.0%
Dec 13, 2025 Sale Briansky Sharon Insider
1 week
+0.1%S&P +0.9%
1 month
+22.3%S&P +2.0%
3 months
+18.0%S&P −2.6%
6 months
+102.0%S&P +9.5%

Every purchase and sale on this ticker reported by a member of Congress or an insider, measured from the close of the first trading day after it became public to the close 1 week, 1 month, 3 months and 6 months later, each beside the S&P over the same days.

Filings for ALGM

66 held · newest 566 held · newest 2
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See all 66 filings for ALGM

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Government contracts, last 12 months

Awards of $10M and up, from USAspending · context, not a signal
No contracts of $10M or more in the last 12 months.

Lobbying

Last four quarters
No lobbying reports on file.