ALLEGRO MICROSYSTEMS, INC.
ALGM · Semiconductors & Related Devices · 186.2M shares · +110%/yr ↑ dilution · EDGAR filings ↗
Reference price $52.72 · est. market cap ~$9.8B — last insider sale, 2026-06-03 (estimated from the dated SEC Form 4 price × shares outstanding — not a live quote)
Grade
C56Auto/industrial magnetic-sensor chipmaker recovering on revenue but still loss-making with thin interest coverage.
Strengths
- Revenue recovery — +22.8% (57th)
- Positive free cash flow — FCF $124.9M (62nd), FCF margin 14.0%
- Solid liquidity — current ratio 3.45 (60th)
Risks
- Net loss — net margin -1.7%, ROE -1.6%, net income -79.6% (26th)
- Thin interest coverage — 0.84 (44th) — below 1.0
- Automotive/industrial cyclicality — qualitative (per 10-K)
Notable findings
- Restatement, as administrative agent, collateral agent, a letter of credit issuer and a lender, and the other agents, lenders and letter of credit issuers parties thereto (as amended, restated, supplemented or o 8-K ↗
- No interest coverageInterest coverage 0.84 (cannot cover interest)
- Exec changeRecent 8-K item 5.02 8-K ↗
- Net lossNet loss (net margin -1.7%)
- Fund exitedNotable fund(s) exited this quarter: VANGUARD GROUP INC
- Chronic dilutionShare count +110%/yr over 4y (dilution, book value/share -93%)
- Strong balance sheetStrong balance sheet — $169M cash & investments
- New fund positionNotable fund(s) opened this quarter: Bridgewater Associates, LP
- Insider sellingInsider selling — 10 open-market sale(s) by 8 insider(s) (cluster of 8 insiders, ~$4M, last 6mo) Form 4 ↗
- Notable holderHeld by 6 notable fund(s): FMR LLC, STATE STREET CORP, GOLDMAN SACHS GROUP INC +3 more (as of 2026-03-31)
Quarterly revenue
Last 4 quarters · from SEC filings.
Key metrics
Gross margin
46.3%
Operating margin
2.1%
Net margin
-1.7%
Return on equity
-1.6%
Return on assets
-1.1%
ROIC
1.2%
Revenue growth (QoQ)
6.1%
Debt / equity
0.3×
Net debt / EBITDA
1.4×
Interest coverage
0.8×
Current ratio
3.5×
Free cash flow
$125M
EBITDA
$86M
Tangible book value
$513M
Cash & investments
$169M
Stock comp / revenue
5.4%
Insider transactions · last 18 months
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| 2026-06-17 | WHITE BRIAN C | Grant | 594 | — |
| 2026-06-03 | Madormo Richard | Sell | 5.0K | $52.72 |
| 2026-05-22 | Coleman Troy | Sell | 4.5K | $45.72 |
| 2026-05-21 | Webster Roald Graham | Sell | 5.2K | $44.88 |
| 2026-05-18 | Kent Ian | Sell | 2.6K | $41.56 |
| 2026-05-16 | Kent Ian | Tax withheld | 2.3K | $43.10 |
| 2026-05-16 | Hagen Erin | Tax withheld | 5.8K | $43.10 |
| 2026-05-16 | D'Antilio Derek | Tax withheld | 38K | $43.10 |
| 2026-05-16 | Madormo Richard | Tax withheld | 5.4K | $43.10 |
| 2026-05-16 | Webster Roald Graham | Tax withheld | 4.3K | $43.10 |
| 2026-05-16 | Doogue Michael | Tax withheld | 61K | $43.10 |
| 2026-05-16 | Briansky Sharon | Tax withheld | 14K | $43.10 |
| 2026-05-16 | Coleman Troy | Tax withheld | 9.7K | $43.10 |
| 2026-05-14 | Lynch Susan D | Sell | 17K | $45.46 |
| 2026-05-13 | Briansky Sharon | Grant | 16K | — |
| 2026-05-13 | Willett Robert | Grant | 1.1K | — |
| 2026-05-13 | Kent Ian | Grant | 8.5K | — |
| 2026-05-13 | D'Antilio Derek | Grant | 29K | — |
| 2026-05-13 | D'Antilio Derek | Grant | 30K | — |
| 2026-05-13 | Madormo Richard | Grant | 20K | — |
| 2026-05-13 | Briansky Sharon | Grant | 2.6K | — |
| 2026-05-13 | Coleman Troy | Grant | 18K | — |
| 2026-05-13 | Doogue Michael | Grant | 77K | — |
| 2026-05-13 | Doogue Michael | Grant | 84K | — |
| 2026-05-13 | Hagen Erin | Grant | 9.1K | — |
| 2026-05-13 | Webster Roald Graham | Grant | 4.8K | — |
| 2026-05-13 | Webster Roald Graham | Grant | 544 | — |
| 2026-05-11 | Briansky Sharon | Sell | 8.9K | $47.54 |
| 2026-05-11 | Doogue Michael | Sell | 30K | $47.23 |
| 2026-03-24 | Madormo Richard | Disposition | 6.5K | $32.58 |
| 2026-03-02 | Hagen Erin | Sell | 2.6K | $35.00 |
| 2026-03-02 | Briansky Sharon | Sell | 9.7K | $35.00 |
| 2026-02-27 | D'Antilio Derek | Tax withheld | 10.0K | $36.47 |
| 2026-02-27 | Hagen Erin | Tax withheld | 2.0K | $36.47 |
| 2026-02-27 | Briansky Sharon | Tax withheld | 9.1K | $36.47 |
| 2026-02-17 | Briansky Sharon | Sell | 9.3K | $41.56 |
| 2026-02-13 | Briansky Sharon | Tax withheld | 9.0K | $42.38 |
| 2026-02-13 | D'Antilio Derek | Tax withheld | 18K | $42.38 |
| 2026-02-02 | Kent Ian | Grant | 9.2K | — |
| 2025-12-10 | Briansky Sharon | Sell | 28K | $30.00 |
| 2025-11-11 | Coleman Troy | Grant | 74K | — |
| 2025-08-22 | Webster Roald Graham | Sell | 8.3K | $32.81 |
| 2025-08-12 | Lury Richard R. | Sell | 7.0K | $31.81 |
| 2025-08-07 | Lury Richard R. | Grant | 5.9K | — |
| 2025-08-07 | Lynch Susan D | Grant | 5.9K | — |
| 2025-08-07 | Palepu Krishna G. | Grant | 5.9K | — |
| 2025-08-07 | MARTIN JOSEPH R | Grant | 5.9K | — |
| 2025-08-07 | PUMA MARY G | Grant | 5.9K | — |
| 2025-08-07 | Raubacher Jennie | Grant | 5.9K | — |
| 2025-08-07 | Suzuki Yoshihiro | Grant | 5.9K | — |
| 2025-08-04 | Hagen Erin | Sell | 5.0K | $31.18 |
| 2025-06-11 | Lury Richard R. | Sell | 3.1K | $30.45 |
| 2025-06-04 | Lury Richard R. | Sell | 6.8K | $27.60 |
| 2025-05-16 | Briansky Sharon | Tax withheld | 19K | $27.51 |
| 2025-05-16 | Doogue Michael | Tax withheld | 22K | $27.51 |
| 2025-05-16 | D'Antilio Derek | Tax withheld | 30K | $27.51 |
| 2025-05-16 | Webster Roald Graham | Tax withheld | 4.9K | $27.51 |
| 2025-05-16 | Hagen Erin | Tax withheld | 4.9K | $27.51 |
| 2025-05-15 | Webster Roald Graham | Grant | 9.8K | — |
| 2025-05-15 | Doogue Michael | Grant | 150K | — |
| 2025-05-15 | Madormo Richard | Grant | 38K | — |
| 2025-05-15 | Hagen Erin | Grant | 18K | — |
| 2025-05-15 | Briansky Sharon | Grant | 35K | — |
| 2025-05-15 | D'Antilio Derek | Grant | 65K | — |
| 2025-05-13 | Doogue Michael | Grant | 18K | — |
| 2025-05-13 | D'Antilio Derek | Grant | 21K | — |
| 2025-05-13 | Webster Roald Graham | Grant | 1.0K | — |
| 2025-05-13 | Hagen Erin | Grant | 1.2K | — |
| 2025-05-13 | Briansky Sharon | Grant | 15K | — |
| 2025-02-27 | D'Antilio Derek | Grant | 21K | — |
| 2025-02-27 | Hagen Erin | Grant | 4.6K | — |
| 2025-02-27 | Briansky Sharon | Grant | 19K | — |
| 2025-01-31 | Palepu Krishna G. | Grant | 4.0K | — |
All non-derivative Form 4 activity (SEC), newest first.
Supply chain
Customers (0)
Suppliers (4)
Named in the 10-K; linked when we track them.
Notable events (8-K)
| Date | Items | |
|---|---|---|
| 2026-06-18 | Exec/director changeReg FDExhibits | filing ↗ |
| 2026-05-13 | Exec/director changeReg FDExhibits | filing ↗ |
| 2026-05-07 | ResultsExhibits | filing ↗ |
| 2026-01-29 | ResultsExhibits | filing ↗ |
| 2026-01-21 | Material agreementDebt obligationExhibits | filing ↗ |
| 2026-01-16 | Reg FDExhibits | filing ↗ |
| 2025-10-30 | ResultsExhibits | filing ↗ |
| 2025-08-08 | Shareholder voteExhibits | filing ↗ |
Recent filings
| Form | Filed | Period | Accession |
|---|---|---|---|
| 8-K | 2026-06-18 | 2026-06-17 | 0001193125-26-275011 ↗ |
| 10-K | 2026-05-21 | 2026-03-27 | 0001193125-26-233537 ↗ |
| 8-K | 2026-05-13 | 2026-05-11 | 0001193125-26-221635 ↗ |
| 8-K | 2026-05-07 | 2026-05-07 | 0001193125-26-210309 ↗ |
| 10-Q | 2026-01-30 | 2025-12-26 | 0001193125-26-030636 ↗ |
| 8-K | 2026-01-29 | 2026-01-29 | 0001193125-26-028160 ↗ |
| 8-K | 2026-01-21 | 2026-01-21 | 0001193125-26-018091 ↗ |
| 8-K | 2026-01-16 | 2026-01-15 | 0001193125-26-014666 ↗ |
| 10-Q | 2025-10-31 | 2025-09-26 | 0001193125-25-259807 ↗ |
| 8-K | 2025-10-30 | 2025-10-30 | 0001193125-25-257395 ↗ |
| 8-K | 2025-08-08 | 2025-08-07 | 0000950170-25-105827 ↗ |
| 10-Q | 2025-08-01 | 2025-06-27 | 0000950170-25-101117 ↗ |