Silverman David M

Officer · APH

As of 2026-09-16, Silverman David M has 26 Form 4 transactions on record across 1 company — 11 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Pattern in the record: open-market sales filed in August in multiple years since 2025 — a recurring calendar cadence, more consistent with scheduled activity than a one-off decision.

Reconstructed holdings

Direct: $9.3MIndirect: $1.4M$10.7Mas of 2026-09-16
  • Direct $9.3M
  • Indirect $1.4M
APHdirect120,000 sh$9.3M
APHindirect18,343 sh$1.4M

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

APH · 26 trades
2026-08-05: Sale, 120,000 sh ($20.9M)2026-08-05: Option exercise, 120,000 sh ($2.6M)2026-08-05: Option exercise, 120,000 sh ($0)2026-05-22: Award / grant, 70,690 sh ($0)2025-11-13: Gift, 18,343 sh ($1.2M)2025-11-13: Gift, 18,343 sh ($1.2M)2025-11-13: Gift, 29,012 sh ($1.1M)2025-11-13: Gift, 29,012 sh ($1.1M)2025-11-03: Sale, 120,000 sh ($16.9M)2025-11-03: Option exercise, 120,000 sh ($2.6M)2025-11-03: Option exercise, 120,000 sh ($0)2025-08-25: Sale, 100,000 sh ($11.0M)2025-08-25: Option exercise, 100,000 sh ($1.8M)2025-08-25: Option exercise, 100,000 sh ($0)2025-05-30: Sale, 100,000 sh ($8.9M)2025-05-30: Option exercise, 100,000 sh ($1.8M)2025-05-30: Option exercise, 100,000 sh ($0)2025-05-16: Award / grant, 91,572 sh ($0)2025-05-02: Sale, 87,500 sh ($7.0M)2025-05-02: Option exercise, 100,000 sh ($1.8M)2025-05-02: Option exercise, 100,000 sh ($0)2025-04-25: Sale, 100,000 sh ($7.6M)2025-04-25: Option exercise, 100,000 sh ($1.8M)2025-04-25: Option exercise, 100,000 sh ($0)2025-01-28: Gift, 14,000 sh ($0)2025-01-28: Gift, 14,000 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-08-05APHSale120,000 @ $174.24$20.9M−88.4% of holding15,672Form 4
2025-11-03APHSale120,000 @ $141.17$16.9M−90.6% of holding12,500Form 4
2025-08-25APHSale100,000 @ $110.42$11.0M−88.9% of holding12,500Form 4
2025-05-30APHSale100,000 @ $89.09$8.9M−88.9% of holding12,500Form 4
2025-05-02APHSale87,500 @ $80.03$7.0M−87.5% of holding12,500Form 4
2025-04-25APHSale100,000 @ $75.88$7.6M−100.0% of holding0Form 4
20 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-05APHOption exercise120,000135,672Form 4
2026-08-05APHOption exercise120,000120,000Form 4
2026-05-22APHAward / grant70,69070,690Form 4
2025-11-13APHGift18,34318,343Form 4
2025-11-13APHGift18,34373,375Form 4
2025-11-13APHGift29,012116,048Form 4
2025-11-13APHGift29,01229,012Form 4
2025-11-03APHOption exercise120,000132,500Form 4
2025-11-03APHOption exercise120,000240,000Form 4
2025-08-25APHOption exercise100,000112,500Form 4
2025-08-25APHOption exercise100,0000Form 4
2025-05-30APHOption exercise100,000112,500Form 4
2025-05-30APHOption exercise100,000100,000Form 4
2025-05-16APHAward / grant91,57291,572Form 4
2025-05-02APHOption exercise100,000100,000Form 4
2025-05-02APHOption exercise100,000200,000Form 4
2025-04-25APHOption exercise100,000100,000Form 4
2025-04-25APHOption exercise100,000300,000Form 4
2025-01-28APHGift14,0000Form 4
2025-01-28APHGift14,00014,000Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.