Kersten Dirk
Director · DYN
As of 2026-09-16, Kersten Dirk has 25 Form 4 transactions on record across 1 company — 20 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.
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 |
|---|---|---|---|---|---|---|---|
| 2026-07-27 | DYN | Sale | 256,072 @ $25.50 | $6.5M | −6.7% of holding | 3,592,184 | Form 4 |
| 2026-07-27 | DYN | Sale | 5,388 @ $26.04 | $140K | −0.1% of holding | 3,586,796 | Form 4 |
| 2026-06-23 | DYN | Sale | 71,629 @ $21.04 | $1.5M | −1.8% of holding | 3,849,913 | Form 4 |
| 2026-06-23 | DYN | Sale | 1,657 @ $21.47 | $36K | −0.0% of holding | 3,848,256 | Form 4 |
| 2026-06-22 | DYN | Sale | 190,676 @ $20.57 | $3.9M | −4.6% of holding | 3,921,542 | Form 4 |
| 2026-06-18 | DYN | Sale | 46,901 @ $20.07 | $941K | −1.1% of holding | 4,112,218 | Form 4 |
| 2026-06-17 | DYN | Sale | 37,454 @ $20.14 | $754K | −0.9% of holding | 4,159,119 | Form 4 |
| 2026-04-22 | DYN | Sale | 2,652 @ $20.00 | $53K | −0.1% of holding | 4,196,573 | Form 4 |
| 2026-04-21 | DYN | Sale | 8,300 @ $20.01 | $166K | −0.2% of holding | 4,199,225 | Form 4 |
| 2026-04-20 | DYN | Sale | 125,274 @ $20.07 | $2.5M | −2.9% of holding | 4,207,525 | Form 4 |
| 2026-04-17 | DYN | Sale | 211,974 @ $20.29 | $4.3M | −4.7% of holding | 4,332,799 | Form 4 |
| 2026-04-16 | DYN | Sale | 11,116 @ $21.10 | $235K | −0.2% of holding | 4,551,430 | Form 4 |
| 2026-04-16 | DYN | Sale | 6,657 @ $20.06 | $134K | −0.1% of holding | 4,544,773 | Form 4 |
| 2026-04-15 | DYN | Sale | 81,840 @ $20.27 | $1.7M | −1.8% of holding | 4,562,546 | Form 4 |
| 2026-03-11 | DYN | Sale | 129,672 @ $19.52 | $2.5M | −2.7% of holding | 4,644,386 | Form 4 |
| 2026-03-10 | DYN | Sale | 281,858 @ $19.80 | $5.6M | −5.6% of holding | 4,774,058 | Form 4 |
| 2026-03-10 | DYN | Sale | 219,758 @ $19.32 | $4.2M | −4.2% of holding | 5,055,916 | Form 4 |
| 2026-03-10 | DYN | Sale | 9,482 @ $18.21 | $173K | −0.2% of holding | 5,275,674 | Form 4 |
| 2026-03-09 | DYN | Sale | 177,690 @ $17.72 | $3.1M | −3.3% of holding | 5,285,156 | Form 4 |
| 2024-12-09 | DYN | Sale | 34,437 @ $29.18 | $1.0M | −0.6% of holding | 5,400,545 | Form 4 |
| 2024-12-06 | DYN | Sale | 101,675 @ $29.34 | $3.0M | −1.8% of holding | 5,434,982 | Form 4 |
| 2024-12-05 | DYN | Sale | 3,806 @ $29.05 | $111K | −0.1% of holding | 5,536,657 | Form 4 |
| 2024-12-04 | DYN | Sale | 135,039 @ $29.39 | $4.0M | −2.4% of holding | 5,540,463 | Form 4 |
2 award / exercise / gift records — not counted as purchases
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.