Hartung Michael P
Officer · FLEX
As of 2026-09-16, Hartung Michael P has 50 Form 4 transactions on record across 1 company — 36 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 $26.2M
- Indirect $0
| FLEX | direct | 243,175 sh | $26.2M |
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 |
|---|---|---|---|---|---|---|---|
| 2026-08-18 | FLEX | Sale | 1,272 @ $120.74 | $154K | −0.5% of holding | 243,651 | Form 4 |
| 2026-08-18 | FLEX | Sale | 1,007 @ $119.79 | $121K | −0.4% of holding | 244,923 | Form 4 |
| 2026-08-18 | FLEX | Sale | 272 @ $121.76 | $33K | −0.1% of holding | 243,379 | Form 4 |
| 2026-08-18 | FLEX | Sale | 196 @ $122.60 | $24K | −0.1% of holding | 243,183 | Form 4 |
| 2026-08-18 | FLEX | Sale | 8 @ $123.25 | $986 | −0.0% of holding | 243,175 | Form 4 |
| 2026-06-18 | FLEX | Sale | 4,801 @ $145.36 | $698K | −1.9% of holding | 246,030 | Form 4 |
| 2026-06-18 | FLEX | Sale | 2,368 @ $144.89 | $343K | −0.9% of holding | 250,831 | Form 4 |
| 2026-06-18 | FLEX | Sale | 100 @ $146.26 | $15K | −0.0% of holding | 245,930 | Form 4 |
| 2026-06-17 | FLEX | Sale | 10,949 @ $145.19 | $1.6M | −4.1% of holding | 254,306 | Form 4 |
| 2026-06-17 | FLEX | Sale | 5,118 @ $144.19 | $738K | −1.9% of holding | 265,255 | Form 4 |
| 2026-06-17 | FLEX | Sale | 4,900 @ $143.18 | $702K | −1.8% of holding | 270,373 | Form 4 |
| 2026-06-17 | FLEX | Sale | 1,107 @ $145.77 | $161K | −0.4% of holding | 253,199 | Form 4 |
| 2026-06-17 | FLEX | Sale | 553 @ $141.78 | $78K | −0.2% of holding | 275,273 | Form 4 |
| 2026-06-15 | FLEX | Sale | 3,966 @ $149.01 | $591K | −1.7% of holding | 232,130 | Form 4 |
| 2026-06-15 | FLEX | Sale | 1,448 @ $146.07 | $212K | −0.6% of holding | 238,857 | Form 4 |
| 2026-06-15 | FLEX | Sale | 1,409 @ $147.13 | $207K | −0.6% of holding | 237,448 | Form 4 |
| 2026-06-15 | FLEX | Sale | 1,352 @ $148.01 | $200K | −0.6% of holding | 236,096 | Form 4 |
| 2026-06-15 | FLEX | Sale | 28 @ $149.60 | $4K | −0.0% of holding | 232,102 | Form 4 |
| 2026-05-11 | FLEX | Sale | 6,623 @ $143.76 | $952K | −2.7% of holding | 235,242 | Form 4 |
| 2026-05-11 | FLEX | Sale | 5,260 @ $142.94 | $752K | −2.1% of holding | 241,865 | Form 4 |
| 2026-05-11 | FLEX | Sale | 2,536 @ $144.45 | $366K | −1.1% of holding | 232,706 | Form 4 |
| 2026-05-11 | FLEX | Sale | 2,160 @ $139.67 | $302K | −0.9% of holding | 251,142 | Form 4 |
| 2026-05-11 | FLEX | Sale | 2,129 @ $140.59 | $299K | −0.8% of holding | 249,013 | Form 4 |
| 2026-05-11 | FLEX | Sale | 1,888 @ $141.49 | $267K | −0.8% of holding | 247,125 | Form 4 |
| 2026-05-11 | FLEX | Sale | 1,620 @ $138.65 | $225K | −0.6% of holding | 253,302 | Form 4 |
| 2025-11-11 | FLEX | Sale | 11,442 @ $62.02 | $710K | −5.1% of holding | 214,756 | Form 4 |
| 2025-11-11 | FLEX | Sale | 3,496 @ $62.83 | $220K | −1.6% of holding | 211,260 | Form 4 |
| 2025-11-11 | FLEX | Sale | 62 @ $63.50 | $4K | −0.0% of holding | 211,198 | Form 4 |
| 2025-11-04 | FLEX | Sale | 10,558 @ $62.01 | $655K | −4.4% of holding | 230,640 | Form 4 |
| 2025-11-04 | FLEX | Sale | 4,442 @ $62.85 | $279K | −1.9% of holding | 226,198 | Form 4 |
| 2025-10-28 | FLEX | Sale | 7,780 @ $64.43 | $501K | −3.1% of holding | 241,537 | Form 4 |
| 2025-10-28 | FLEX | Sale | 6,881 @ $64.00 | $440K | −2.7% of holding | 249,317 | Form 4 |
| 2025-10-28 | FLEX | Sale | 339 @ $65.32 | $22K | −0.1% of holding | 241,198 | Form 4 |
| 2025-09-16 | FLEX | Sale | 41,539 @ $57.09 | $2.4M | −13.8% of holding | 259,659 | Form 4 |
| 2025-09-16 | FLEX | Sale | 3,461 @ $57.78 | $200K | −1.3% of holding | 256,198 | Form 4 |
| 2025-08-18 | FLEX | Sale | 2,520 @ $49.62 | $125K | −0.8% of holding | 301,198 | Form 4 |
| 2025-06-17 | FLEX | Sale | 6,542 @ $44.98 | $294K | −2.1% of holding | 304,063 | Form 4 |
| 2025-06-17 | FLEX | Sale | 345 @ $45.71 | $16K | −0.1% of holding | 303,718 | Form 4 |
| 2025-06-13 | FLEX | Sale | 4,554 @ $43.49 | $198K | −1.4% of holding | 310,605 | Form 4 |
| 2025-06-04 | FLEX | Sale | 35,393 @ $42.87 | $1.5M | −10.8% of holding | 293,195 | Form 4 |
| 2025-06-03 | FLEX | Sale | 11,025 @ $42.90 | $473K | −4.1% of holding | 259,458 | Form 4 |
| 2025-05-13 | FLEX | Sale | 32,173 @ $41.99 | $1.4M | −10.6% of holding | 270,483 | Form 4 |
| 2025-02-06 | FLEX | Sale | 48,792 @ $43.78 | $2.1M | −16.4% of holding | 249,541 | Form 4 |
| 2025-02-06 | FLEX | Sale | 16,015 @ $44.23 | $708K | −6.4% of holding | 233,526 | Form 4 |
6 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-06-16 | FLEX | Award / grant | 43,724 | 275,826 | Form 4 |
| 2026-06-11 | FLEX | Award / grant | 7,599 | 240,305 | Form 4 |
| 2026-05-08 | FLEX | Award / grant | 43,724 | 254,922 | Form 4 |
| 2025-06-12 | FLEX | Award / grant | 21,964 | 315,159 | Form 4 |
| 2025-06-03 | FLEX | Award / grant | 69,130 | 328,588 | Form 4 |
| 2025-05-09 | FLEX | Award / grant | 69,130 | 302,656 | 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.