Equillium Inc (EQ)

Equillium Inc. experienced multiple divestments by key executives during late May and early June 2026. President Stephen Connelly, COO Christine Zedelmayer, and accounting lead Penny Tom executed various planned sales. Since the final recorded activity occurred over three months ago, no recent market data is relevant to these historical filings.
Ticker: EQ Exchange: NAS


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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings
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Top insiders
Trades
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
3.6
Connelly Stephen President and CSO Officer
Transaction date
Sale
Price
230.23
Quantity 45,205 -41.3%
Value US$1,727,080
3.6
Connelly Stephen President and CSO Officer
Transaction date
Sale
Price
497.68
Quantity 22,331 +19.7%
Value US$2,507,904
3.6
Connelly Stephen Officer; President and CSO Officer
Transaction date
Proposed sale
Price
328.81
Quantity 92,771
Value US$2,404,664
3.6
Connelly Stephen Officer; President and CSO Officer
Transaction date
Proposed sale
Price
2.94
Quantity 30,975
Value US$91,070
Zedelmayer Christine Sr. Vice President and COO Officer
Transaction date
Planned sale
Price
2.93
Quantity 14,584 -18.9%
Value US$42,737
Zedelmayer Christine Sr. Vice President and COO Officer
Transaction date
Planned sale
Price
2.93
Quantity 14,584 -18.9%
Value US$42,737
3.6
Connelly Stephen President and CSO Officer
Transaction date
Sale
Price
3.16
Quantity 200,000 -20.1%
Value US$632,760
3.6
Connelly Stephen President and CSO Officer
Transaction date
Sale
Price
3.16
Quantity 200,000 -20.1%
Value US$632,760
3.6
Connelly Stephen Officer; President and CSO Officer
Transaction date
Proposed sale
Price
3.16
Quantity 200,000
Value US$632,760
Tom Penny Principal Accounting Officer Officer
Transaction date
Planned sale
Price
2.95
Quantity 65,000 -100.0%
Value US$191,750
Zedelmayer Christine Sr. Vice President and COO Officer
Transaction date
Planned sale
Price
2.98
Quantity 30,208 -32.6%
Value US$90,020
Zedelmayer Christine Sr. Vice President and COO Officer
Transaction date
Planned sale
Price
2.71
Quantity 200 -0.3%
Value US$542
Zedelmayer Christine Sr. Vice President and COO Officer
Transaction date
Planned sale
Price
2.70
Quantity 55,604 -47.0%
Value US$150,131
Zedelmayer Christine Sr. Vice President and COO Officer
Transaction date
Planned sale
Price
2.70
Quantity 9,821 -13.6%
Value US$26,517
Zedelmayer Christine Officer Officer
Transaction date
Proposed sale
Price
2.63
Quantity 65,625
Value US$172,593
Zedelmayer Christine Sr. Vice President and COO Officer
Transaction date
Planned sale
Price
2.50
Quantity 120,312 -65.8%
Value US$300,816
Zedelmayer Christine Officer Officer
Transaction date
Proposed sale
Price
2.40
Quantity 120,312
Value US$288,748
Zedelmayer Christine Sr. Vice President and COO Officer
Transaction date
Planned sale
Price
2.00
Quantity 181,219 -74.3%
Value US$362,438
Zedelmayer Christine Officer Officer
Transaction date
Proposed sale
Price
1.77
Quantity 181,219
Value US$320,757
Zedelmayer Christine Sr. Vice President and COO Officer
Transaction date
Planned sale
Price
1.74
Quantity 76,562 -28.6%
Value US$133,264
Zedelmayer Christine Sr. Vice President and COO Officer
Transaction date
Planned sale
Price
1.78
Quantity 109,375 -36.4%
Value US$194,841
Zedelmayer Christine Officer Officer
Transaction date
Proposed sale
Price
1.70
Quantity 185,937
Value US$316,092
Tom Penny Principal Accounting Officer Officer
Transaction date
Planned sale
Price
1.29
Quantity 6,533 -100.0%
Value US$8,428
Tom Penny Officer Officer
Transaction date
Proposed sale
Price
1.29
Quantity 6,533
Value US$8,427
Zedelmayer Christine Officer Officer
Transaction date
Proposed sale
Price
1.50
Quantity 100,000
Value US$150,000
Zedelmayer Christine Sr. Vice President and COO Officer
Transaction date
Planned sale
Price
1.50
Quantity 100,000 -52.2%
Value US$150,000
Zedelmayer Christine Sr. Vice President and COO Officer
Transaction date
Planned sale
Price
1.31
Quantity 11,900 -11.5%
Value US$15,589
Zedelmayer Christine Sr. Vice President and COO Officer
Transaction date
Planned sale
Price
1.34
Quantity 23,804 -18.7%
Value US$31,897
Zedelmayer Christine Officer Officer
Transaction date
Proposed sale
Price
1.34
Quantity 23,804
Value US$31,897
Zedelmayer Christine Officer Officer
Transaction date
Proposed sale
Price
0.92
Quantity 8,098
Value US$7,428
Zedelmayer Christine Sr. Vice President and COO Officer
Transaction date
Planned sale
Price
0.95
Quantity 7,998 -5.9%
Value US$7,598
Zedelmayer Christine Sr. Vice President and COO Officer
Transaction date
Planned sale
Price
0.98
Quantity 100 -0.1%
Value US$98
Keyes Jason A Former CFO
Transaction date
Proposed sale
Price
0.32
Quantity 88,913
Value US$28,452
Keyes Jason A Chief Financial Officer Officer
Transaction date
Planned sale
Price
0.65
Quantity 10,000 -21.0%
Value US$6,500
Keyes Jason A Chief Financial Officer Officer
Transaction date
Planned sale
Price
0.70
Quantity 10,000 -17.3%
Value US$7,000
Zedelmayer Christine Officer Officer
Transaction date
Proposed sale
Price
1.25
Quantity 15,000
Value US$18,750
Zedelmayer Christine Sr. Vice President and COO Officer
Transaction date
Planned sale
Price
1.25
Quantity 15,000 -10.0%
Value US$18,750
Tom Penny Principal Accounting Officer Officer
Transaction date
Planned sale
Price
1.25
Quantity 2,835 -30.3%
Value US$3,544
Tom Penny Principal Accounting Officer Officer
Transaction date
Planned sale
Price
1.25
Quantity 683 -6.8%
Value US$854
Keyes Jason A Chief Financial Officer Officer
Transaction date
Planned sale
Price
0.81
Quantity 10,000 -14.8%
Value US$8,100
Tom Penny Principal Accounting Officer Officer
Transaction date
Planned sale
Price
0.85
Quantity 38,806 -79.4%
Value US$32,985
Keyes Jason A Chief Financial Officer Officer
Transaction date
Planned sale
Price
0.87
Quantity 10,000 -12.9%
Value US$8,700
Keyes Jason A Chief Financial Officer Officer
Transaction date
Planned sale
Price
2.83
Quantity 7,000 -8.3%
Value US$19,810
Keyes Jason A Chief Financial Officer Officer
Transaction date
Planned sale
Price
2.52
Quantity 5,000 -5.6%
Value US$12,600
Keyes Jason A Chief Financial Officer Officer
Transaction date
Planned sale
Price
3.18
Quantity 8,000 -8.2%
Value US$25,440
Keyes Jason A Chief Financial Officer Officer
Transaction date
Planned sale
Price
5.08
Quantity 5,000 -4.9%
Value US$25,402
Zedelmayer Christine Sr. Vice President and COO Officer
Transaction date
Planned sale
Price
5.49
Quantity 7,350 -6.7%
Value US$40,315
Zedelmayer Christine Sr. Vice President and COO Officer
Transaction date
Planned sale
Price
5.49
Quantity 4,084 -4.1%
Value US$22,401
3.6
Connelly Stephen Chief Scientific Officer Executive Director
Transaction date
Planned sale
Price
7.01
Quantity 2,467 -0.2%
Value US$17,288
3.6
Connelly Stephen Chief Scientific Officer Executive Director
Transaction date
Planned sale
Price
7.01
Quantity 5,625 -0.6%
Value US$39,418
Keyes Jason A Chief Financial Officer Officer
Transaction date
Planned sale
Price
6.74
Quantity 8,000 -7.2%
Value US$53,924
3.6
Connelly Stephen Chief Scientific Officer Executive Director
Transaction date
Sale
Price
7.18
Quantity 10,495 -1.0%
Value US$75,315
3.6
Connelly Stephen Chief Scientific Officer Executive Director
Transaction date
Sale
Price
7.14
Quantity 13,900 -1.4%
Value US$99,264
3.6
Connelly Stephen Chief Scientific Officer Executive Director
Transaction date
Sale
Price
7.08
Quantity 8,490 -0.8%
Value US$60,145
3.6
Connelly Stephen Chief Scientific Officer Executive Director
Transaction date
Sale
Price
7.01
Quantity 7,030 -0.7%
Value US$49,245
3.6
Connelly Stephen Chief Scientific Officer Executive Director
Transaction date
Sale
Price
7.01
Quantity 6,509 -0.7%
Value US$45,601
Keyes Jason A Chief Financial Officer Officer
Transaction date
Planned sale
Price
6.50
Quantity 5,000 -4.1%
Value US$32,484
3.6
Connelly Stephen Chief Scientific Officer Executive Director
Transaction date
Planned sale
Price
4.52
Quantity 25,000 -2.5%
Value US$113,045
Keyes Jason A Chief Financial Officer Officer
Transaction date
Planned sale
Price
4.74
Quantity 8,000 -6.2%
Value US$37,914
3.6
Connelly Stephen Chief Scientific Officer Executive Director
Transaction date
Planned sale
Price
8.13
Quantity 250,000 -19.3%
Value US$2,033,475
Keyes Jason A Chief Financial Officer Officer
Transaction date
Planned sale
Price
5.03
Quantity 5,000 -3.7%
Value US$25,138
Keyes Jason A Chief Financial Officer
Transaction date
Planned sale
Price
4.41
Quantity 5,000 -3.6%
Value US$22,043
Keyes Jason A Chief Financial Officer
Transaction date
Planned sale
Price
3.60
Quantity 5,000 -3.5%
Value US$17,980
Keyes Jason A Chief Financial Officer Officer
Transaction date
Planned sale
Price
3.99
Quantity 5,000 -3.4%
Value US$19,941
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value
Number of shares Price Value Details
2026-06-05 2026-06-05 S Sale

President and CSO

Officer
45,205 -41.3%
230.23
US$1,727,080
45,205 -41.3% 230.23 US$1,727,080
2026-06-05 2026-06-05 S Sale

President and CSO

Officer
22,331 +19.7%
497.68
US$2,507,904
22,331 +19.7% 497.68 US$2,507,904
2026-06-05 2026-06-05 PrS Proposed sale

Officer; President and CSO

Officer
92,771
328.81
US$2,404,664
92,771 328.81 US$2,404,664
2026-06-05 2026-06-05 PrS Proposed sale

Officer; President and CSO

Officer
30,975
2.94
US$91,070
30,975 2.94 US$91,070
2026-06-05 2026-06-05 PlS Planned sale

Sr. Vice President and COO

Officer
14,584 -18.9%
2.93
US$42,737
14,584 -18.9% 2.93 US$42,737
2026-06-05 2026-06-05 PlS Planned sale

Sr. Vice President and COO

Officer
14,584 -18.9%
2.93
US$42,737
14,584 -18.9% 2.93 US$42,737
2026-06-05 2026-06-04 S Sale

President and CSO

Officer
200,000 -20.1%
3.16
US$632,760
200,000 -20.1% 3.16 US$632,760
2026-06-05 2026-06-04 S Sale

President and CSO

Officer
200,000 -20.1%
3.16
US$632,760
200,000 -20.1% 3.16 US$632,760
2026-06-04 2026-06-04 PrS Proposed sale

Officer; President and CSO

Officer
200,000
3.16
US$632,760
200,000 3.16 US$632,760
2026-05-29 2026-05-28 PlS Planned sale

Principal Accounting Officer

Officer
65,000 -100.0%
2.95
US$191,750
65,000 -100.0% 2.95 US$191,750
2026-05-29 2026-05-28 PlS Planned sale

Sr. Vice President and COO

Officer
30,208 -32.6%
2.98
US$90,020
30,208 -32.6% 2.98 US$90,020
2026-05-29 2026-05-28 PlS Planned sale

Sr. Vice President and COO

Officer
200 -0.3%
2.71
US$542
200 -0.3% 2.71 US$542
2026-05-29 2026-05-28 PlS Planned sale

Sr. Vice President and COO

Officer
55,604 -47.0%
2.70
US$150,131
55,604 -47.0% 2.70 US$150,131
2026-05-29 2026-05-27 PlS Planned sale

Sr. Vice President and COO

Officer
9,821 -13.6%
2.70
US$26,517
9,821 -13.6% 2.70 US$26,517
2026-05-27 2026-05-27 PrS Proposed sale

Officer

Officer
65,625
2.63
US$172,593
65,625 2.63 US$172,593
2026-03-16 2026-03-13 PlS Planned sale

Sr. Vice President and COO

Officer
120,312 -65.8%
2.50
US$300,816
120,312 -65.8% 2.50 US$300,816
2026-03-13 2026-03-13 PrS Proposed sale

Officer

Officer
120,312
2.40
US$288,748
120,312 2.40 US$288,748
2026-03-11 2026-03-09 PlS Planned sale

Sr. Vice President and COO

Officer
181,219 -74.3%
2.00
US$362,438
181,219 -74.3% 2.00 US$362,438
2026-03-09 2026-03-09 PrS Proposed sale

Officer

Officer
181,219
1.77
US$320,757
181,219 1.77 US$320,757
2026-02-23 2026-02-19 PlS Planned sale

Sr. Vice President and COO

Officer
76,562 -28.6%
1.74
US$133,264
76,562 -28.6% 1.74 US$133,264
2026-02-23 2026-02-19 PlS Planned sale

Sr. Vice President and COO

Officer
109,375 -36.4%
1.78
US$194,841
109,375 -36.4% 1.78 US$194,841
2026-02-19 2026-02-19 PrS Proposed sale

Officer

Officer
185,937
1.70
US$316,092
185,937 1.70 US$316,092
2026-01-09 2026-01-08 PlS Planned sale

Principal Accounting Officer

Officer
6,533 -100.0%
1.29
US$8,428
6,533 -100.0% 1.29 US$8,428
2026-01-08 2026-01-08 PrS Proposed sale

Officer

Officer
6,533
1.29
US$8,427
6,533 1.29 US$8,427
2025-12-23 2025-12-23 PrS Proposed sale

Officer

Officer
100,000
1.50
US$150,000
100,000 1.50 US$150,000
2025-12-23 2025-12-23 PlS Planned sale

Sr. Vice President and COO

Officer
100,000 -52.2%
1.50
US$150,000
100,000 -52.2% 1.50 US$150,000
2025-12-15 2025-12-15 PlS Planned sale

Sr. Vice President and COO

Officer
11,900 -11.5%
1.31
US$15,589
11,900 -11.5% 1.31 US$15,589
2025-12-15 2025-12-12 PlS Planned sale

Sr. Vice President and COO

Officer
23,804 -18.7%
1.34
US$31,897
23,804 -18.7% 1.34 US$31,897
2025-12-12 2025-12-12 PrS Proposed sale

Officer

Officer
23,804
1.34
US$31,897
23,804 1.34 US$31,897
2025-11-25 2025-11-25 PrS Proposed sale

Officer

Officer
8,098
0.92
US$7,428
8,098 0.92 US$7,428
2025-11-25 2025-11-25 PlS Planned sale

Sr. Vice President and COO

Officer
7,998 -5.9%
0.95
US$7,598
7,998 -5.9% 0.95 US$7,598
2025-11-25 2025-11-25 PlS Planned sale

Sr. Vice President and COO

Officer
100 -0.1%
0.98
US$98
100 -0.1% 0.98 US$98
2025-07-08 2025-07-07 PrS Proposed sale

Former CFO

88,913
0.32
US$28,452
88,913 0.32 US$28,452
2025-06-12 2025-06-12 PrS Proposed sale

Director

Non-Executive Director
10,000
0.39
US$3,860
10,000 0.39 US$3,860
2025-01-24 2025-01-23 PlS Planned sale

Chief Financial Officer

Officer
10,000 -21.0%
0.65
US$6,500
10,000 -21.0% 0.65 US$6,500
2024-11-15 2024-11-14 PlS Planned sale

Chief Financial Officer

Officer
10,000 -17.3%
0.70
US$7,000
10,000 -17.3% 0.70 US$7,000
2024-11-14 2024-11-14 PrS Proposed sale

Officer

Officer
20,000
0.78
US$15,608
20,000 0.78 US$15,608
2024-10-31 2024-10-28 PrS Proposed sale

Officer

Officer
15,000
1.25
US$18,750
15,000 1.25 US$18,750
2024-10-30 2024-10-28 PlS Planned sale

Sr. Vice President and COO

Officer
15,000 -10.0%
1.25
US$18,750
15,000 -10.0% 1.25 US$18,750
2024-10-29 2024-10-28 PlS Planned sale

Principal Accounting Officer

Officer
2,835 -30.3%
1.25
US$3,544
2,835 -30.3% 1.25 US$3,544
2024-10-29 2024-10-25 PlS Planned sale

Principal Accounting Officer

Officer
683 -6.8%
1.25
US$854
683 -6.8% 1.25 US$854
2024-09-27 2024-09-26 PlS Planned sale

Chief Financial Officer

Officer
10,000 -14.8%
0.81
US$8,100
10,000 -14.8% 0.81 US$8,100
2024-09-17 2024-09-16 PlS Planned sale

Principal Accounting Officer

Officer
38,806 -79.4%
0.85
US$32,985
38,806 -79.4% 0.85 US$32,985
2024-07-18 2024-07-16 PlS Planned sale

Chief Financial Officer

Officer
10,000 -12.9%
0.87
US$8,700
10,000 -12.9% 0.87 US$8,700
2024-07-16 2024-07-16 PrS Proposed sale

Officer

Officer
20,000
0.89
US$17,800
20,000 0.89 US$17,800
2022-08-30 2022-08-29 PlS Planned sale

Chief Financial Officer

Officer
7,000 -8.3%
2.83
US$19,810
7,000 -8.3% 2.83 US$19,810
2022-06-06 2022-06-06 PlS Planned sale

Chief Financial Officer

Officer
5,000 -5.6%
2.52
US$12,600
5,000 -5.6% 2.52 US$12,600
2022-04-05 2022-04-04 PlS Planned sale

Chief Financial Officer

Officer
8,000 -8.2%
3.18
US$25,440
8,000 -8.2% 3.18 US$25,440
2021-12-03 2021-12-01 PlS Planned sale

Chief Financial Officer

Officer
5,000 -4.9%
5.08
US$25,402
5,000 -4.9% 5.08 US$25,402
2021-11-17 2021-11-16 PlS Planned sale

Sr. Vice President and COO

Officer
7,350 -6.7%
5.49
US$40,315
7,350 -6.7% 5.49 US$40,315
2021-11-17 2021-11-16 PlS Planned sale

Sr. Vice President and COO

Officer
4,084 -4.1%
5.49
US$22,401
4,084 -4.1% 5.49 US$22,401
2021-10-07 2021-10-06 PlS Planned sale

Chief Scientific Officer

Executive Director
2,467 -0.2%
7.01
US$17,288
2,467 -0.2% 7.01 US$17,288
2021-10-07 2021-10-06 PlS Planned sale

Chief Scientific Officer

Executive Director
5,625 -0.6%
7.01
US$39,418
5,625 -0.6% 7.01 US$39,418
2021-09-29 2021-09-27 PlS Planned sale

Chief Financial Officer

Officer
8,000 -7.2%
6.74
US$53,924
8,000 -7.2% 6.74 US$53,924
2021-06-09 2021-06-08 S Sale

Chief Scientific Officer

Executive Director
10,495 -1.0%
7.18
US$75,315
10,495 -1.0% 7.18 US$75,315
2021-06-09 2021-06-07 S Sale

Chief Scientific Officer

Executive Director
13,900 -1.4%
7.14
US$99,264
13,900 -1.4% 7.14 US$99,264
2021-06-09 2021-06-07 S Sale

Chief Scientific Officer

Executive Director
8,490 -0.8%
7.08
US$60,145
8,490 -0.8% 7.08 US$60,145
2021-06-09 2021-06-04 S Sale

Chief Scientific Officer

Executive Director
7,030 -0.7%
7.01
US$49,245
7,030 -0.7% 7.01 US$49,245
2021-06-09 2021-06-04 S Sale

Chief Scientific Officer

Executive Director
6,509 -0.7%
7.01
US$45,601
6,509 -0.7% 7.01 US$45,601
2021-05-28 2021-05-26 PlS Planned sale

Chief Financial Officer

Officer
5,000 -4.1%
6.50
US$32,484
5,000 -4.1% 6.50 US$32,484
2020-12-30 2020-12-28 PlS Planned sale

Chief Scientific Officer

Executive Director
25,000 -2.5%
4.52
US$113,045
25,000 -2.5% 4.52 US$113,045
2020-12-28 2020-12-23 PlS Planned sale

Chief Financial Officer

Officer
8,000 -6.2%
4.74
US$37,914
8,000 -6.2% 4.74 US$37,914
2020-07-15 2020-07-13 PlS Planned sale

Chief Scientific Officer

Executive Director
250,000 -19.3%
8.13
US$2,033,475
250,000 -19.3% 8.13 US$2,033,475
2020-02-19 2020-02-18 PlS Planned sale

Chief Financial Officer

Officer
5,000 -3.7%
5.03
US$25,138
5,000 -3.7% 5.03 US$25,138
2020-01-22 2020-01-21 PlS Planned sale

Chief Financial Officer

5,000 -3.6%
4.41
US$22,043
5,000 -3.6% 4.41 US$22,043
2019-09-04 2019-09-03 PlS Planned sale

Chief Financial Officer

5,000 -3.5%
3.60
US$17,980
5,000 -3.5% 3.60 US$17,980
2019-08-05 2019-08-01 PlS Planned sale Keyes Jason A

Chief Financial Officer

Officer
5,000 -3.4%
3.99
US$19,941
5,000 -3.4% 3.99 US$19,941