Updated Jul 16, 2026
Lynch Susan D has filed 5 SEC Form 4 filings across 4 companies in the last 90 days — active on both sides. Lifetime open-market purchases: $214K. Lifetime open-market sales: $760K.

Susan D. Lynch is a corporate director whose SEC filings indicate board roles at Crane Co. (CR) and Allegro MicroSystems, Inc. (ALGM) as of February 2, 2026. The filings show she held the director role with these companies during the period covered and report no equity transactions (purchases or sales) in the most recent filing. Background details beyond the SEC filings are not publicly available in the provided context.
| Role | Insider |
|---|---|
| Notability | 40/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-04 | AADX | Applied Aerospace & Defense, Inc. | P — Open-market purchase | 8.0K | $20.00 | $160K |
| 2026-05-22 | ONTO | ONTO INNOVATION INC. | A — Grant or award | 761 | $0.00 | |
| 2026-05-15 | ALGM | ALLEGRO MICROSYSTEMS, INC. | S — Open-market sale | 16.7K | $45.46 | $760K |
| 2026-05-01 | CR | Crane Co | P — Open-market purchase | 150 | $177.38 | $27K |
| 2026-02-02 | CR | Crane Co | P — Open-market purchase | 50 | $177.55 | $9K |
| 2026-02-02 | CR | Crane Co | P — Open-market purchase | 100 | $184.56 | $18K |
| 2025-08-07 | ALGM | ALLEGRO MICROSYSTEMS, INC. | A — Grant or award | 5.9K | $0.00 |
Susan D. Lynch is a corporate director whose SEC filings indicate board roles at Crane Co. (CR) and Allegro MicroSystems, Inc. (ALGM) as of February 2, 2026. The filings show she held the director role with these companies during the period covered and report no equity transactions (purchases or sales) in the most recent filing. Background details beyond the SEC filings are not…
5 primary Form 4 filings in the last 90 days, covering 4 companies.
Recorded transactions: 4 open-market purchases ($214K) and 1 open-market sales ($760K) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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