Birns Ira M

Director · Officer · STEM, WKC

As of 2026-09-16, Birns Ira M has 20 Form 4 transactions on record across 2 companies — 10 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: $9.6MIndirect: $0$9.6Mas of 2026-09-16
  • Direct $9.6M
  • Indirect $0
WKCdirect269,409 sh$9.6M
STEMdirect14,207 sh$64K

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

WKC · 11 trades
2026-03-28: Withheld for tax, 2,741 sh ($64K)2026-03-15: Withheld for tax, 2,100 sh ($48K)2026-03-15: Withheld for tax, 1,800 sh ($41K)2026-03-15: Award / grant, 39,474 sh ($0)2025-03-28: Withheld for tax, 3,075 sh ($88K)2025-03-15: Withheld for tax, 14,182 sh ($397K)2025-03-15: Withheld for tax, 3,393 sh ($95K)2025-03-15: Withheld for tax, 3,205 sh ($90K)2025-03-15: Withheld for tax, 2,926 sh ($82K)2025-03-15: Award / grant, 40,975 sh ($0)2025-03-15: Award / grant, 22,175 sh ($0)
STEM · 9 trades
2026-08-07: Option exercise, 7,486 sh ($0)2026-08-07: Option exercise, 7,486 sh2026-08-07: Option exercise, 7,486 sh2026-08-07: Option exercise, 7,486 sh2026-08-07: Option exercise, 7,486 sh2026-06-03: Award / grant, 12,168 sh ($0)2025-06-04: Award / grant, 149,723 sh ($0)2025-05-29: Option exercise, 110,236 sh ($0)2025-05-29: Option exercise, 110,236 sh ($0)

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
20 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-08-07STEMOption exercise7,4860Form 4
2026-08-07STEMOption exercise7,48614,207Form 4
2026-08-07STEMOption exercise7,48614,207Form 4
2026-08-07STEMOption exercise7,48614,207Form 4
2026-08-07STEMOption exercise7,48614,207Form 4
2026-06-03STEMAward / grant12,16812,168Form 4
2026-03-28WKCWithheld for tax2,741269,409Form 4
2026-03-15WKCWithheld for tax2,100234,476Form 4
2026-03-15WKCWithheld for tax1,800232,676Form 4
2026-03-15WKCAward / grant39,474272,150Form 4
2025-06-04STEMAward / grant149,723149,723Form 4
2025-05-29STEMOption exercise110,236134,420Form 4
2025-05-29STEMOption exercise110,2360Form 4
2025-03-28WKCWithheld for tax3,075236,576Form 4
2025-03-15WKCWithheld for tax14,182227,000Form 4
2025-03-15WKCWithheld for tax3,393217,476Form 4
2025-03-15WKCWithheld for tax3,205220,869Form 4
2025-03-15WKCWithheld for tax2,926224,074Form 4
2025-03-15WKCAward / grant40,975241,182Form 4
2025-03-15WKCAward / grant22,175239,651Form 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.