ALLEGRO MICROSYSTEMS INC (ALGM) Stock Ownership

NASDAQ:ALGMUS01749D1054

Current stock price

38.27 USD
+0.23 (+0.6%)
At close:
38.2 USD
-0.07 (-0.18%)
After Hours:

ALGM Ownership information

ALGM Ownership Chart.ALGM Ownership Chart: showing Insider, Institutional ownership and shares available to the public.ALGM Ownership.InsiderInstitutionalPublic



Shares Outstanding185.29M
Float123.70M
Float Short Interest Percentage9.63%
Owners (insider)0.62%
Owners (institutional)74.55%
Owners (insider) change-0.05%
Owners (institutional) change-0.01%
ALGM Institutional Ownership HistoryALGM Institutional Ownership HistoryALGM Institutional Ownership History Dec 2021 Jun 2022 Dec 2022 Jun 2023 Dec 2023 Jun 2024 Dec 2024 Jun 2025 Dec 2025 50M 100M 150M
ALGM Historical Insider Transactions ChartALGM Historical Insider Buy and Sell Transactions ChartALGM Historical Insider Transactions May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 Feb 2026 Mar 2026 Apr 2026 0 100K 200K
DateNameTypeSharesPriceAmount
Mar 24, 2026Madormo RichardOther Disposition649832.58$ 211,704.84
Mar 2, 2026Briansky SharonOpen Market Sale972735.00$ 340,445.00
Mar 2, 2026Hagen ErinOpen Market Sale259835.00$ 90,930.00
Feb 27, 2026Briansky SharonOption Excercise910736.47$ 332,132.29
Feb 27, 2026D''Antilio DerekOption Excercise999536.47$ 364,517.65
Feb 27, 2026Hagen ErinOption Excercise199636.47$ 72,794.12
Feb 17, 2026Briansky SharonOpen Market Sale925841.56$ 384,762.48
Feb 13, 2026Briansky SharonOption Excercise899142.38$ 381,038.58
Feb 13, 2026D''Antilio DerekOption Excercise1780842.38$ 754,703.04
Dec 10, 2025Briansky SharonOpen Market Sale2787330.00$ 836,190.00
Nov 11, 2025Coleman TroyGrant735300.00$ 0.00
Aug 22, 2025Webster Roald GrahamOpen Market Sale826632.81$ 271,192.58
Aug 12, 2025Lury Richard R.Open Market Sale700031.81$ 222,672.80
Aug 7, 2025Raubacher JennieGrant59320.00$ 0.00
Aug 7, 2025Lynch Susan DGrant59320.00$ 0.00
Aug 7, 2025Lury Richard R.Grant59320.00$ 0.00
Aug 7, 2025MARTIN JOSEPH RGrant59320.00$ 0.00
Aug 7, 2025PUMA MARY GGrant59320.00$ 0.00
Aug 7, 2025Suzuki YoshihiroGrant59320.00$ 0.00
Aug 7, 2025Palepu Krishna G.Grant59320.00$ 0.00
Aug 4, 2025Hagen ErinOpen Market Sale504331.18$ 157,240.74
Jun 11, 2025Lury Richard R.Open Market Sale310030.45$ 94,395.00
Jun 4, 2025Lury Richard R.Open Market Sale684927.60$ 189,035.82
May 16, 2025Doogue MichaelOption Excercise2173027.51$ 597,792.30
May 16, 2025Webster Roald GrahamOption Excercise494827.51$ 136,119.48
May 16, 2025Briansky SharonOption Excercise1871227.51$ 514,767.12
May 16, 2025D''Antilio DerekOption Excercise2991127.51$ 822,851.61
May 16, 2025Hagen ErinOption Excercise489927.51$ 134,771.49
May 15, 2025Doogue MichaelGrant1502260.00$ 0.00
May 15, 2025Webster Roald GrahamGrant97650.00$ 0.00
May 15, 2025Briansky SharonGrant350530.00$ 0.00
May 15, 2025D''Antilio DerekGrant650980.00$ 0.00
May 15, 2025Madormo RichardGrant375570.00$ 0.00
May 15, 2025Hagen ErinGrant181530.00$ 0.00
May 13, 2025Doogue MichaelGrant184890.00$ 0.00
May 13, 2025Hagen ErinGrant12220.00$ 0.00
May 13, 2025Briansky SharonGrant146560.00$ 0.00
May 13, 2025Webster Roald GrahamGrant10020.00$ 0.00
May 13, 2025D''Antilio DerekGrant212950.00$ 0.00