Nottenburg Richard N
Director · APLD, CHRN, VRNT
As of 2026-09-16, Nottenburg Richard N has 30 Form 4 transactions on record across 3 companies — 18 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
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
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-08-04 | APLD | Sale | 75,000 @ $31.15 | $2.3M | −36.0% of holding | 133,378 | Form 4 |
| 2026-04-30 | APLD | Sale | 12,500 @ $34.59 | $432K | −5.7% of holding | 208,378 | Form 4 |
| 2026-04-28 | APLD | Sale | 12,500 @ $32.00 | $400K | −5.4% of holding | 220,878 | Form 4 |
| 2026-01-15 | APLD | Sale | 12,000 @ $35.45 | $425K | −4.9% of holding | 233,378 | Form 4 |
| 2026-01-14 | APLD | Sale | 11,606 @ $35.28 | $409K | −4.5% of holding | 245,378 | Form 4 |
| 2025-10-31 | APLD | Sale | 9,375 @ $35.91 | $337K | −3.6% of holding | 249,237 | Form 4 |
| 2025-10-30 | APLD | Sale | 5,000 @ $34.80 | $174K | −1.9% of holding | 258,612 | Form 4 |
| 2025-10-24 | APLD | Sale | 34,375 @ $33.23 | $1.1M | −11.5% of holding | 263,612 | Form 4 |
| 2025-09-03 | APLD | Sale | 20,000 @ $15.26 | $305K | −6.3% of holding | 297,987 | Form 4 |
| 2025-08-08 | APLD | Sale | 11,250 @ $14.22 | $160K | −3.4% of holding | 317,987 | Form 4 |
| 2025-08-04 | APLD | Sale | 13,686 @ $12.50 | $171K | −4.0% of holding | 329,237 | Form 4 |
| 2025-01-17 | APLD | Sale | 20,000 @ $8.85 | $177K | −5.5% of holding | 342,923 | Form 4 |
18 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-05-14 | CHRN | Award / grant | 200,000 | 200,000 | Form 4 |
| 2025-11-26 | VRNT | Option exercise | 8,980 | 0 | Form 4 |
| 2025-11-26 | VRNT | Disposition | 6,859 | 0 | Form 4 |
| 2025-11-26 | VRNT | Option exercise | 8,980 | 8,980 | Form 4 |
| 2025-11-26 | VRNT | Option exercise | 8,980 | 0 | Form 4 |
| 2025-11-26 | VRNT | Disposition | 8,980 | 0 | Form 4 |
| 2025-11-26 | VRNT | Option exercise | 8,980 | 8,980 | Form 4 |
| 2025-11-26 | VRNT | Disposition | 6,859 | 0 | Form 4 |
| 2025-11-26 | VRNT | Disposition | 8,980 | 0 | Form 4 |
| 2025-11-09 | APLD | Award / grant | 7,747 | 256,984 | Form 4 |
| 2025-04-22 | VRNT | Award / grant | 8,980 | 8,980 | Form 4 |
| 2025-04-22 | VRNT | Award / grant | 8,980 | 8,980 | Form 4 |
| 2025-04-10 | VRNT | Option exercise | 6,859 | 6,859 | Form 4 |
| 2025-04-10 | VRNT | Option exercise | 6,859 | 0 | Form 4 |
| 2025-04-10 | VRNT | Option exercise | 6,859 | 0 | Form 4 |
| 2024-12-27 | APLD | Award / grant | 28,606 | 362,923 | Form 4 |
| 2024-04-22 | VRNT | Award / grant | 6,859 | 6,859 | Form 4 |
| 2024-04-22 | VRNT | Award / grant | 6,859 | 6,859 | Form 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.