Equillium, Inc. — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| Zedelmayer Christine | Sr. Vice President and COO | Sale | 100,000 | $1.50 | $150,000 | 91,444 | Dec 23, 2025 |
| Zedelmayer Christine | Sr. Vice President and COO | Sale | 11,900 | $1.31 | $15,589 | 91,444 | Dec 12, 2025 |
| Zedelmayer Christine | Sr. Vice President and COO | Sale | 100 | $0.98 | $98 | 135,146 | Nov 25, 2025 |
| Keyes Jason A | Chief Financial Officer | Sale | 10,000 | $0.65 | $6,500 | 37,720 | Jan 23, 2025 |
| Keyes Jason A | Chief Financial Officer | Award / Grant | 15,000 | $0.54 | $8,100 | 88,913 | Dec 10, 2024 |
| Keyes Jason A | Chief Financial Officer | Sale | 10,000 | $0.70 | $7,000 | 47,720 | Nov 14, 2024 |
| Zedelmayer Christine | Sr. Vice President and COO | Sale | 15,000 | $1.25 | $18,750 | 135,246 | Oct 28, 2024 |
| Tom Penny | Principal Accounting Officer | Sale | 2,835 | $1.25 | $3,544 | 6,533 | Oct 25, 2024 |
| Keyes Jason A | Chief Financial Officer | Sale | 10,000 | $0.81 | $8,100 | 57,720 | Sep 26, 2024 |
| Tom Penny | Principal Accounting Officer | Sale | 38,806 | $0.85 | $32,985 | 10,051 | Sep 16, 2024 |
| Keyes Jason A | Chief Financial Officer | Sale | 10,000 | $0.87 | $8,700 | 67,720 | Jul 16, 2024 |
| Rothman Joel | Chief Development Officer | Award / Grant | 8,804 | $0.58 | $5,106 | 58,150 | Jun 9, 2023 |
| Zedelmayer Christine | Sr. Vice President and COO | Award / Grant | 8,804 | $0.58 | $5,106 | 135,246 | Jun 9, 2023 |
| Keyes Jason A | Chief Financial Officer | Award / Grant | 8,805 | $0.58 | $5,107 | 58,913 | Jun 9, 2023 |
| Keyes Jason A | Chief Financial Officer | Award / Grant | 4,444 | $1.19 | $5,288 | 35,108 | Dec 9, 2022 |
| Keyes Jason A | Chief Financial Officer | Sale | 7,000 | $2.83 | $19,810 | 77,720 | Aug 29, 2022 |
| Rothman Joel | Chief Development Officer | Award / Grant | 3,821 | $1.19 | $4,547 | 34,346 | Jun 10, 2022 |
| Zedelmayer Christine | Sr. Vice President and COO | Award / Grant | 9,033 | $1.85 | $16,711 | 111,442 | Jun 10, 2022 |
| Keyes Jason A | Chief Financial Officer | Sale | 5,000 | $2.52 | $12,600 | 84,720 | Jun 6, 2022 |
| Keyes Jason A | Chief Financial Officer | Sale | 8,000 | $3.18 | $25,440 | 89,720 | Apr 4, 2022 |
| Keyes Jason A | Chief Financial Officer | Award / Grant | 5,585 | $2.35 | $13,125 | 23,296 | Dec 10, 2021 |
| Rothman Joel | Chief Development Officer | Award / Grant | 1,290 | $2.35 | $3,032 | 24,281 | Dec 10, 2021 |
| Keyes Jason A | Chief Financial Officer | Sale | 5,000 | $5.08 | $25,400 | 97,720 | Dec 1, 2021 |
| Zedelmayer Christine | Sr. Vice President and COO | Sale | 4,084 | $5.49 | $22,421 | 94,759 | Nov 16, 2021 |
| Connelly Stephen | Chief Scientific Officer | Sale | 5,625 | $7.01 | $39,431 | 993,000 | Oct 6, 2021 |
| Keyes Jason A | Chief Financial Officer | Sale | 8,000 | $6.74 | $53,920 | 102,720 | Sep 27, 2021 |
| Keyes Jason A | Chief Financial Officer | Sale | 5,000 | $5.72 | $28,600 | 110,720 | Jul 27, 2021 |
| Zedelmayer Christine | Sr. Vice President and COO | Award / Grant | 9,032 | $2.35 | $21,225 | 90,509 | Jun 10, 2021 |
| Keyes Jason A | Chief Financial Officer | Award / Grant | 5,535 | $2.35 | $13,007 | 17,711 | Jun 10, 2021 |
| Rothman Joel | Chief Development Officer | Award / Grant | 7,742 | $2.35 | $18,194 | 22,991 | Jun 10, 2021 |
| Connelly Stephen | Chief Scientific Officer | Option Exercise | 13,900 | $4.75 | $66,025 | 1,006,900 | Jun 7, 2021 |
| Keyes Jason A | Chief Financial Officer | Sale | 5,000 | $6.50 | $32,500 | 115,720 | May 26, 2021 |
| Keyes Jason A | Chief Financial Officer | Sale | 5,000 | $6.50 | $32,500 | 115,720 | May 26, 2021 |
| Connelly Stephen | Chief Scientific Officer | Sale | 25,000 | $4.52 | $113,000 | 993,000 | Dec 28, 2020 |
| Keyes Jason A | Chief Financial Officer | Sale | 8,000 | $4.74 | $37,920 | 120,720 | Dec 23, 2020 |
| Zedelmayer Christine | Sr. Vice President and COO | Other | 1,097 | $2.35 | $2,578 | 81,477 | Dec 10, 2020 |
| Keyes Jason A | Chief Financial Officer | Other | 5,362 | $2.35 | $12,601 | 12,176 | Dec 10, 2020 |
| Connelly Stephen | Chief Scientific Officer | Sale | 25,000 | $5.62 | $140,500 | 1,018,000 | Sep 28, 2020 |
| Connelly Stephen | Chief Scientific Officer | Sale | 250,000 | $8.13 | $2,032,500 | 1,043,000 | Jul 13, 2020 |
| Keyes Jason A | Chief Financial Officer | Other | 5,014 | $2.41 | $12,084 | 6,814 | Jun 10, 2020 |
| Zedelmayer Christine | Sr. Vice President and COO | Other | 9,570 | $2.41 | $23,064 | 80,380 | Jun 10, 2020 |
| Keyes Jason A | Chief Financial Officer | Sale | 5,000 | $5.03 | $25,150 | 130,520 | Feb 18, 2020 |
| Keyes Jason A | Chief Financial Officer | Sale | 5,000 | $4.41 | $22,050 | 135,520 | Jan 21, 2020 |
| Keyes Jason A | Chief Financial Officer | Sale | 5,000 | $3.60 | $18,000 | 138,720 | Sep 3, 2019 |
| Keyes Jason A | Chief Financial Officer | Sale | 5,000 | $3.99 | $19,950 | 143,720 | Aug 1, 2019 |
| Steel Bruce D. | President, CBO | Other | 48,495 | $11.20 | $543,144 | 48,495 | Oct 16, 2018 |
| BRADBURY DANIEL | Chief Executive Officer | Other | 9,699 | $11.20 | $108,629 | 742,399 | Oct 16, 2018 |
| Biocon SA | — | Award / Grant | 228,060 | — | — | 2,316,134 | Oct 16, 2018 |