Bitterman Kevin
Director · IRON
As of 2026-09-27, Bitterman Kevin has 82 Form 4 transactions on record across 1 company — 70 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
- Direct $0
- Indirect $876K
| IRON | indirect | 13,427 sh | $876K |
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 |
|---|---|---|---|---|---|---|---|
| 2026-09-11 | IRON | Sale | 27,136 @ $70.11 | $1.9M | −100.0% of holding | 0 | Form 4 |
| 2026-09-04 | IRON | Sale | 912 @ $79.96 | $73K | −0.3% of holding | 318,866 | Form 4 |
| 2026-09-04 | IRON | Sale | 759 @ $79.96 | $61K | −0.2% of holding | 312,230 | Form 4 |
| 2026-09-04 | IRON | Sale | 18 @ $79.96 | $1K | −0.1% of holding | 13,427 | Form 4 |
| 2026-09-03 | IRON | Sale | 2,810 @ $79.98 | $225K | −0.9% of holding | 319,778 | Form 4 |
| 2026-09-03 | IRON | Sale | 2,339 @ $79.98 | $187K | −0.7% of holding | 312,989 | Form 4 |
| 2026-09-03 | IRON | Sale | 54 @ $79.98 | $4K | −0.4% of holding | 13,445 | Form 4 |
| 2026-09-02 | IRON | Sale | 26,542 @ $80.17 | $2.1M | −7.6% of holding | 322,598 | Form 4 |
| 2026-09-02 | IRON | Sale | 22,090 @ $80.17 | $1.8M | −6.5% of holding | 315,337 | Form 4 |
| 2026-09-02 | IRON | Sale | 511 @ $80.17 | $41K | −3.6% of holding | 13,501 | Form 4 |
| 2026-09-02 | IRON | Sale | 10 @ $80.98 | $810 | −0.0% of holding | 322,588 | Form 4 |
| 2026-09-02 | IRON | Sale | 9 @ $80.98 | $729 | −0.0% of holding | 315,328 | Form 4 |
| 2026-09-02 | IRON | Sale | 2 @ $80.98 | $162 | −0.0% of holding | 13,499 | Form 4 |
| 2026-09-01 | IRON | Sale | 70 @ $79.95 | $6K | −0.0% of holding | 349,140 | Form 4 |
| 2026-09-01 | IRON | Sale | 58 @ $79.95 | $5K | −0.0% of holding | 337,427 | Form 4 |
| 2026-09-01 | IRON | Sale | 1 @ $79.95 | $80 | −0.0% of holding | 14,012 | Form 4 |
| 2025-12-17 | IRON | Sale | 393 @ $91.47 | $36K | −0.1% of holding | 349,210 | Form 4 |
| 2025-12-17 | IRON | Sale | 213 @ $91.47 | $19K | −0.1% of holding | 337,485 | Form 4 |
| 2025-12-17 | IRON | Sale | 148 @ $91.47 | $14K | −1.0% of holding | 14,013 | Form 4 |
| 2025-12-16 | IRON | Sale | 35,898 @ $91.24 | $3.3M | −9.3% of holding | 349,603 | Form 4 |
| 2025-12-16 | IRON | Sale | 18,666 @ $91.24 | $1.7M | −5.2% of holding | 337,698 | Form 4 |
| 2025-12-16 | IRON | Sale | 14,359 @ $91.24 | $1.3M | −50.3% of holding | 14,161 | Form 4 |
| 2025-12-15 | IRON | Sale | 28,913 @ $91.18 | $2.6M | −6.9% of holding | 389,422 | Form 4 |
| 2025-12-15 | IRON | Sale | 14,811 @ $91.18 | $1.4M | −4.0% of holding | 358,413 | Form 4 |
| 2025-12-15 | IRON | Sale | 11,427 @ $91.18 | $1.0M | −27.5% of holding | 30,092 | Form 4 |
| 2025-12-15 | IRON | Sale | 7,000 @ $91.87 | $643K | −100.0% of holding | 0 | Form 4 |
| 2025-12-15 | IRON | Sale | 3,921 @ $92.01 | $361K | −1.0% of holding | 385,501 | Form 4 |
| 2025-12-15 | IRON | Sale | 2,049 @ $92.01 | $189K | −0.6% of holding | 356,364 | Form 4 |
| 2025-12-15 | IRON | Sale | 1,572 @ $92.01 | $145K | −5.2% of holding | 28,520 | Form 4 |
| 2025-12-12 | IRON | Sale | 16,403 @ $92.05 | $1.5M | −3.7% of holding | 425,633 | Form 4 |
| 2025-12-12 | IRON | Sale | 8,527 @ $92.05 | $785K | −2.2% of holding | 377,022 | Form 4 |
| 2025-12-12 | IRON | Sale | 6,570 @ $92.05 | $605K | −12.9% of holding | 44,430 | Form 4 |
| 2025-12-12 | IRON | Sale | 3,852 @ $92.58 | $357K | −0.9% of holding | 421,781 | Form 4 |
| 2025-12-12 | IRON | Sale | 3,446 @ $93.80 | $323K | −0.8% of holding | 418,335 | Form 4 |
| 2025-12-12 | IRON | Sale | 2,005 @ $92.58 | $186K | −0.5% of holding | 375,017 | Form 4 |
| 2025-12-12 | IRON | Sale | 1,793 @ $93.80 | $168K | −0.5% of holding | 373,224 | Form 4 |
| 2025-12-12 | IRON | Sale | 1,540 @ $92.58 | $143K | −3.5% of holding | 42,890 | Form 4 |
| 2025-12-12 | IRON | Sale | 1,371 @ $93.80 | $129K | −3.2% of holding | 41,519 | Form 4 |
| 2025-10-17 | IRON | Sale | 13,014 @ $88.91 | $1.2M | −3.2% of holding | 398,345 | Form 4 |
| 2025-10-17 | IRON | Sale | 13,014 @ $88.91 | $1.2M | −2.8% of holding | 454,831 | Form 4 |
| 2025-10-17 | IRON | Sale | 10,095 @ $90.66 | $915K | −2.5% of holding | 385,999 | Form 4 |
| 2025-10-17 | IRON | Sale | 10,094 @ $90.66 | $915K | −2.2% of holding | 442,486 | Form 4 |
| 2025-10-17 | IRON | Sale | 5,066 @ $87.37 | $443K | −1.1% of holding | 467,845 | Form 4 |
| 2025-10-17 | IRON | Sale | 5,065 @ $87.37 | $443K | −1.2% of holding | 411,359 | Form 4 |
| 2025-10-17 | IRON | Sale | 3,000 @ $86.13 | $258K | −0.6% of holding | 472,911 | Form 4 |
| 2025-10-17 | IRON | Sale | 3,000 @ $86.13 | $258K | −0.7% of holding | 416,424 | Form 4 |
| 2025-10-17 | IRON | Sale | 2,251 @ $89.70 | $202K | −0.6% of holding | 396,094 | Form 4 |
| 2025-10-17 | IRON | Sale | 2,251 @ $89.70 | $202K | −0.5% of holding | 452,580 | Form 4 |
| 2025-10-17 | IRON | Sale | 1,125 @ $84.89 | $96K | −0.3% of holding | 419,424 | Form 4 |
| 2025-10-17 | IRON | Sale | 1,125 @ $84.89 | $96K | −0.2% of holding | 475,911 | Form 4 |
| 2025-10-17 | IRON | Sale | 450 @ $91.88 | $41K | −0.1% of holding | 442,036 | Form 4 |
| 2025-10-17 | IRON | Sale | 450 @ $91.88 | $41K | −0.1% of holding | 385,549 | Form 4 |
| 2025-10-16 | IRON | Sale | 1,425 @ $77.11 | $110K | −0.3% of holding | 477,036 | Form 4 |
| 2025-10-15 | IRON | Sale | 19,542 @ $77.16 | $1.5M | −3.9% of holding | 481,079 | Form 4 |
| 2025-10-15 | IRON | Sale | 2,618 @ $77.76 | $204K | −0.5% of holding | 478,461 | Form 4 |
| 2025-10-08 | IRON | Sale | 25,400 @ $70.54 | $1.8M | −4.6% of holding | 526,577 | Form 4 |
| 2025-10-08 | IRON | Sale | 13,267 @ $72.39 | $960K | −2.6% of holding | 500,621 | Form 4 |
| 2025-10-08 | IRON | Sale | 12,689 @ $71.51 | $907K | −2.4% of holding | 513,888 | Form 4 |
| 2025-10-08 | IRON | Sale | 12,386 @ $69.31 | $858K | −2.2% of holding | 551,977 | Form 4 |
| 2025-10-08 | IRON | Sale | 8,219 @ $68.26 | $561K | −1.4% of holding | 564,363 | Form 4 |
| 2025-10-07 | IRON | Sale | 11,378 @ $68.01 | $774K | −1.9% of holding | 579,243 | Form 4 |
| 2025-10-07 | IRON | Sale | 6,661 @ $69.01 | $460K | −1.1% of holding | 572,582 | Form 4 |
| 2025-08-22 | IRON | Sale | 2,287 @ $61.03 | $140K | −0.4% of holding | 590,621 | Form 4 |
| 2025-08-14 | IRON | Sale | 7,212 @ $60.99 | $440K | −1.2% of holding | 592,908 | Form 4 |
| 2025-08-13 | IRON | Sale | 24,962 @ $61.15 | $1.5M | −4.0% of holding | 600,120 | Form 4 |
| 2025-08-05 | IRON | Sale | 395 @ $60.95 | $24K | −0.1% of holding | 625,082 | Form 4 |
| 2025-07-30 | IRON | Sale | 8,492 @ $61.04 | $518K | −1.3% of holding | 625,477 | Form 4 |
| 2025-07-24 | IRON | Sale | 13,033 @ $61.17 | $797K | −2.0% of holding | 633,969 | Form 4 |
| 2025-07-23 | IRON | Sale | 29,837 @ $60.97 | $1.8M | −4.4% of holding | 647,002 | Form 4 |
| 2025-07-18 | IRON | Sale | 664 @ $61.13 | $41K | −0.1% of holding | 676,839 | Form 4 |
| 2024-06-17 | IRON | Purchase | 222,223 @ $36.00 | $8.0M | +112.0% of holding | 420,549 | Form 4 |
| 2024-03-05 | IRON | Sale | 26,157 @ $73.50 | $1.9M | −3.7% of holding | 677,503 | Form 4 |
10 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-09-11 | IRON | Option exercise | 10,000 | 27,136 | Form 4 |
| 2026-09-11 | IRON | Option exercise | 10,000 | 17,136 | Form 4 |
| 2026-09-11 | IRON | Option exercise | 7,136 | 7,136 | Form 4 |
| 2026-09-11 | IRON | Option exercise | 10,000 | 0 | Form 4 |
| 2026-09-11 | IRON | Option exercise | 7,136 | 0 | Form 4 |
| 2026-06-18 | IRON | Award / grant | 6,212 | 6,212 | Form 4 |
| 2025-12-15 | IRON | Option exercise | 7,000 | 7,000 | Form 4 |
| 2025-12-15 | IRON | Option exercise | 7,000 | 0 | Form 4 |
| 2025-06-11 | IRON | Award / grant | 10,000 | 10,000 | Form 4 |
| 2024-06-12 | IRON | Award / grant | 10,000 | 10,000 | 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.