ABOS

Acumen Pharmaceuticals, Inc.

Insider trading activity for Acumen Pharmaceuticals, Inc., straight from SEC Form 4 filings. Net figures below count open-market buys and sales only — grants, option exercises and tax withholding are excluded because they are compensation, not decisions to trade.

Past 3 months

net buying

Bought(0 · 0 insiders): $0
Sold(0 · 0 insiders): $0

Past 6 months

-$89.5K

net selling

Bought(0 · 0 insiders): $0
Sold(4 · 2 insiders): $89.5K

Past 12 months

-$625.4K

net selling

Bought(0 · 0 insiders): $0
Sold(48 · 9 insiders): $625.4K

Transaction history

The 100 most recent Form 4 transactions.

Open in screener →

Insider transactions, newest first: date, security, transaction type, size and a link to the filing each row came from.
Date	Insider	Role	Type	Shares	Price	Value	Δ Own	Filing
Jun 17	Porter Derrell	Director	MEXER◆	13,040	—	—	—	Open the original filing on SEC.gov
Jun 17	Porter Derrell	Director	SSELL	13,040	$2.33	$30.3K	-26.9%	Open the original filing on SEC.gov
Jun 17	Porter Derrell	Director	MEXER	13,040	$1.07	$14K	+36.7%	Open the original filing on SEC.gov
Jun 16	Porter Derrell	Director	SSELL	12,800	$2.33	$29.8K	-26.5%	Open the original filing on SEC.gov
Jun 15	Porter Derrell	Director	MEXER◆	6,460	—	—	—	Open the original filing on SEC.gov
Jun 15	Porter Derrell	Director	SSELL	6,460	$2.35	$15.1K	-11.8%	Open the original filing on SEC.gov
Jun 15	Porter Derrell	Director	MEXER	6,460	$1.07	$6.9K	+13.4%	Open the original filing on SEC.gov
Jun 9	Fountain Nathan B	Director	SSELL	6,400	$2.23	$14.3K	-11.7%	Open the original filing on SEC.gov
Jun 3	Fountain Nathan B	Director	AGRANT◆	53,250	—	—	—	Open the original filing on SEC.gov
Jun 3	Fountain Nathan B	Director	AGRANT	35,500	—	—	+186.3%	Open the original filing on SEC.gov
Jun 3	Drapkin Kimberlee C	Director	AGRANT◆	53,250	—	—	—	Open the original filing on SEC.gov
Jun 3	Drapkin Kimberlee C	Director	AGRANT	35,500	—	—	+277.3%	Open the original filing on SEC.gov
Jun 3	Stalfort John A III	Director	AGRANT◆	53,250	—	—	—	Open the original filing on SEC.gov
Jun 3	Stalfort John A III	Director	AGRANT	35,500	—	—	+19.2%	Open the original filing on SEC.gov
Jun 3	Porter Derrell	Director	AGRANT◆	53,250	—	—	—	Open the original filing on SEC.gov
Jun 3	Porter Derrell	Director	AGRANT	35,500	—	—	+277.3%	Open the original filing on SEC.gov
Jun 3	Ives Jeffrey L.	Director	AGRANT◆	53,250	—	—	—	Open the original filing on SEC.gov
Jun 3	Ives Jeffrey L.	Director	AGRANT	35,500	—	—	+277.3%	Open the original filing on SEC.gov
Jun 3	Golumbeski George	Director	AGRANT◆	53,250	—	—	—	Open the original filing on SEC.gov
Jun 3	Golumbeski George	Director	AGRANT	35,500	—	—	—	Open the original filing on SEC.gov
Jun 3	Stoppel Laura	Director	AGRANT◆	53,250	—	—	—	Open the original filing on SEC.gov
Jun 3	Stoppel Laura	Director	AGRANT	35,500	—	—	+277.3%	Open the original filing on SEC.gov
Jun 3	Ra Capital Management,…	Director, 10% Owner	AGRANT◆	53,250	—	—	—	Open the original filing on SEC.gov
Jun 3	Ra Capital Management,…	Director, 10% Owner	AGRANT	35,500	—	—	+277.3%	Open the original filing on SEC.gov
Mar 16	Ra Capital Management,…	Director, 10% Owner	AGRANT	6.1M	$3.30	$20M	+46.5%	Open the original filing on SEC.gov
Mar 6	Meisner Derek M	Chief Legal Officer &…	MEXER◷◆	2,090	—	—	—	Open the original filing on SEC.gov
Mar 6	Meisner Derek M	Chief Legal Officer &…	SSELL◷	2,090	$3.26	$6.8K	-1.2%	Open the original filing on SEC.gov
Mar 6	Meisner Derek M	Chief Legal Officer &…	MEXER◷	2,090	$1.85	$3.9K	+1.2%	Open the original filing on SEC.gov
Feb 27	Meisner Derek M	Chief Legal Officer &…	MEXER◷◆	9,406	—	—	—	Open the original filing on SEC.gov
Feb 27	Meisner Derek M	Chief Legal Officer &…	SSELL◷	9,406	$3.01	$28.3K	-5.1%	Open the original filing on SEC.gov
Feb 27	Meisner Derek M	Chief Legal Officer &…	MEXER◷	9,406	$1.85	$17.4K	+5.4%	Open the original filing on SEC.gov
Jan 28	Meisner Derek M	Chief Legal Officer &…	MEXER◷◆	2,671	—	—	—	Open the original filing on SEC.gov
Jan 28	Meisner Derek M	Chief Legal Officer &…	SSELL◷	2,671	$3.00	$8K	-1.5%	Open the original filing on SEC.gov
Jan 28	Meisner Derek M	Chief Legal Officer &…	MEXER◷	2,671	$1.85	$4.9K	+1.5%	Open the original filing on SEC.gov
Jan 26	Meisner Derek M	Chief Legal Officer &…	MEXER◷◆	15,085	—	—	—	Open the original filing on SEC.gov
Jan 26	Meisner Derek M	Chief Legal Officer &…	SSELL◷	15,085	$3.00	$45.3K	-8.0%	Open the original filing on SEC.gov
Jan 26	Meisner Derek M	Chief Legal Officer &…	MEXER◷	15,085	$1.85	$27.9K	+8.7%	Open the original filing on SEC.gov
Jan 23	Meisner Derek M	Chief Legal Officer &…	SSELL◷?	5,633	$1.90	$10.7K	-3.1%	Open the original filing on SEC.gov
Jan 22	Meisner Derek M	Chief Legal Officer &…	SSELL◷?	1,054	$1.84	$1.9K	-0.6%	Open the original filing on SEC.gov
Jan 22	Siemers Eric	Chief Medical Officer	SSELL◷?	895	$1.82	$1.6K	-0.4%	Open the original filing on SEC.gov
Jan 22	Zuga Matt	CFO & Chief Business…	SSELL◷?	1,687	$1.86	$3.1K	-0.5%	Open the original filing on SEC.gov
Jan 22	OConnell Daniel Joseph	Chief Executive Officer	SSELL◷?	2,689	$1.88	$5.1K	-0.3%	Open the original filing on SEC.gov
Jan 22	Barton Russell	Chief Operating Officer	SSELL◷?	462	$1.84	$850	-0.2%	Open the original filing on SEC.gov
Jan 21	Meisner Derek M	Chief Legal Officer &…	SSELL◷?	2,247	$1.81	$4.1K	-1.2%	Open the original filing on SEC.gov
Jan 21	Siemers Eric	Chief Medical Officer	SSELL◷?	2,331	$1.80	$4.2K	-0.9%	Open the original filing on SEC.gov
Jan 21	Zuga Matt	CFO & Chief Business…	SSELL◷?	2,473	$1.81	$4.5K	-0.8%	Open the original filing on SEC.gov
Jan 21	OConnell Daniel Joseph	Chief Executive Officer	SSELL◷?	9,346	$1.81	$16.9K	-1.1%	Open the original filing on SEC.gov
Jan 21	Barton Russell	Chief Operating Officer	SSELL◷?	2,315	$1.81	$4.2K	-1.1%	Open the original filing on SEC.gov
Jan 20	OConnell Daniel Joseph	Chief Executive Officer	AGRANT◆	450,000	—	—	—	Open the original filing on SEC.gov
Jan 20	OConnell Daniel Joseph	Chief Executive Officer	AGRANT	299,800	—	—	+50.5%	Open the original filing on SEC.gov
Jan 16	Zuga Matt	CFO & Chief Business…	AGRANT◆	148,700	—	—	—	Open the original filing on SEC.gov
Jan 16	Zuga Matt	CFO & Chief Business…	AGRANT	99,133	—	—	+47.2%	Open the original filing on SEC.gov
Jan 16	Meisner Derek M	Chief Legal Officer &…	AGRANT◆	148,700	—	—	—	Open the original filing on SEC.gov
Jan 16	Meisner Derek M	Chief Legal Officer &…	AGRANT	99,133	—	—	+118.3%	Open the original filing on SEC.gov
Jan 16	Siemers Eric	Chief Medical Officer	AGRANT◆	148,700	—	—	—	Open the original filing on SEC.gov
Jan 16	Siemers Eric	Chief Medical Officer	AGRANT	99,133	—	—	+62.2%	Open the original filing on SEC.gov
Jan 16	Barton Russell	Chief Operating Officer	AGRANT◆	126,900	—	—	—	Open the original filing on SEC.gov
Jan 16	Barton Russell	Chief Operating Officer	AGRANT	84,600	—	—	+68.6%	Open the original filing on SEC.gov
Jan 16	Schacterle Amy	Chief Regulatory Officer	AGRANT◆	126,900	—	—	—	Open the original filing on SEC.gov
Jan 16	Schacterle Amy	Chief Regulatory Officer	AGRANT	84,600	—	—	+1,098%	Open the original filing on SEC.gov
Jan 16	Doherty James J.	President and CDO	AGRANT◆	250,300	—	—	—	Open the original filing on SEC.gov
Jan 16	Doherty James J.	President and CDO	AGRANT	166,867	—	—	+308.8%	Open the original filing on SEC.gov
Jan 12	Meisner Derek M	Chief Legal Officer &…	SSELL◷?	8,548	$1.71	$14.7K	-9.3%	Open the original filing on SEC.gov
Jan 12	OConnell Daniel Joseph	Chief Executive Officer	SSELL◷?	5,388	$1.73	$9.3K	-0.9%	Open the original filing on SEC.gov
Jan 9	Meisner Derek M	Chief Legal Officer &…	SSELL◷?	5,200	$1.76	$9.2K	-5.3%	Open the original filing on SEC.gov
Jan 9	OConnell Daniel Joseph	Chief Executive Officer	SSELL◷?	12,941	$1.76	$22.8K	-2.1%	Open the original filing on SEC.gov
Jan 8	Doherty James J.	President and CDO	SSELL◷?	6,467	$1.82	$11.8K	-10.7%	Open the original filing on SEC.gov
Jan 8	Zuga Matt	CFO & Chief Business…	SSELL◷?	6,888	$1.82	$12.5K	-3.2%	Open the original filing on SEC.gov
Jan 8	Barton Russell	Chief Operating Officer	SSELL◷?	3,530	$1.86	$6.6K	-2.8%	Open the original filing on SEC.gov
Jan 8	Meisner Derek M	Chief Legal Officer &…	SSELL◷?	30,092	$1.82	$54.9K	-23.6%	Open the original filing on SEC.gov
Jan 8	Meisner Derek M	Chief Legal Officer &…	SSELL◷?	6,819	$1.82	$12.4K	-5.1%	Open the original filing on SEC.gov
Jan 8	OConnell Daniel Joseph	Chief Executive Officer	SSELL◷?	8,143	$1.82	$14.8K	-1.3%	Open the original filing on SEC.gov
Jan 7	Zuga Matt	CFO & Chief Business…	SSELL◷?	1,700	$1.99	$3.4K	-0.8%	Open the original filing on SEC.gov
Jan 7	Zuga Matt	CFO & Chief Business…	SSELL◷?	4,105	$2.00	$8.2K	-1.8%	Open the original filing on SEC.gov
Jan 7	OConnell Daniel Joseph	Chief Executive Officer	SSELL◷?	37,755	$1.99	$75K	-5.7%	Open the original filing on SEC.gov
Jan 7	Meisner Derek M	Chief Legal Officer &…	SSELL◷?	10,070	$1.99	$20K	-7.0%	Open the original filing on SEC.gov
Jan 7	Meisner Derek M	Chief Legal Officer &…	SSELL◷?	1,700	$1.99	$3.4K	-1.2%	Open the original filing on SEC.gov
Jan 7	Barton Russell	Chief Operating Officer	SSELL◷?	1,700	$1.99	$3.4K	-1.3%	Open the original filing on SEC.gov
Jan 7	Doherty James J.	President and CDO	SSELL◷?	1,700	$1.99	$3.4K	-2.7%	Open the original filing on SEC.gov
Jan 7	Schacterle Amy	Chief Regulatory Officer	SSELL◷?	1,097	$1.98	$2.2K	-12.5%	Open the original filing on SEC.gov
Jan 6	Zuga Matt	CFO & Chief Business…	SSELL◷?	5,100	$1.97	$10K	-2.2%	Open the original filing on SEC.gov
Jan 6	Siemers Eric	Chief Medical Officer	SSELL◷?	6,834	$1.97	$13.4K	-4.1%	Open the original filing on SEC.gov
Jan 6	OConnell Daniel Joseph	Chief Executive Officer	SSELL◷?	5,102	$1.97	$10K	-0.8%	Open the original filing on SEC.gov
Jan 6	Meisner Derek M	Chief Legal Officer &…	SSELL◷?	3,801	$1.97	$7.5K	-2.5%	Open the original filing on SEC.gov
Jan 6	Meisner Derek M	Chief Legal Officer &…	SSELL◷?	7,097	$1.97	$14K	-4.5%	Open the original filing on SEC.gov
Jan 6	Barton Russell	Chief Operating Officer	SSELL◷?	3,618	$1.97	$7.1K	-2.7%	Open the original filing on SEC.gov
Jan 5	Zuga Matt	CFO & Chief Business…	SSELL◷?	4,000	$1.96	$7.8K	-1.7%	Open the original filing on SEC.gov
Jan 5	Siemers Eric	Chief Medical Officer	SSELL◷?	4,000	$1.96	$7.8K	-2.4%	Open the original filing on SEC.gov
Jan 5	OConnell Daniel Joseph	Chief Executive Officer	SSELL◷?	4,649	$1.97	$9.2K	-0.7%	Open the original filing on SEC.gov
Jan 5	Meisner Derek M	Chief Legal Officer &…	SSELL◷?	4,000	$1.96	$7.8K	-2.5%	Open the original filing on SEC.gov
Jan 5	Barton Russell	Chief Operating Officer	SSELL◷?	4,000	$1.96	$7.8K	-2.9%	Open the original filing on SEC.gov
Nov 6, 2025	Golumbeski George	Director	AGRANT◆	50,000	—	—	—	Open the original filing on SEC.gov
Jun 4, 2025	Stoppel Laura	Director	AGRANT◆	19,500	—	—	—	Open the original filing on SEC.gov
Jun 4, 2025	Stoppel Laura	Director	AGRANT	12,800	—	—	—	Open the original filing on SEC.gov
Jun 4, 2025	Stalfort John A III	Director	AGRANT◆	19,500	—	—	—	Open the original filing on SEC.gov
Jun 4, 2025	Stalfort John A III	Director	AGRANT	12,800	—	—	+7.4%	Open the original filing on SEC.gov
Jun 4, 2025	Drapkin Kimberlee C	Director	AGRANT◆	19,500	—	—	—	Open the original filing on SEC.gov
Jun 4, 2025	Drapkin Kimberlee C	Director	AGRANT	12,800	—	—	—	Open the original filing on SEC.gov
Jun 4, 2025	Fountain Nathan B	Director	AGRANT◆	19,500	—	—	—	Open the original filing on SEC.gov
Jun 4, 2025	Fountain Nathan B	Director	AGRANT	12,800	—	—	+204.8%	Open the original filing on SEC.gov

MEXER◆—

Porter Derrell · DirectorJun 17

13,040 sh

SSELL$30.3K

Porter Derrell · DirectorJun 17

13,040 sh @ $2.33 · -26.9% own

MEXER$14K

Porter Derrell · DirectorJun 17

13,040 sh @ $1.07 · +36.7% own

SSELL$29.8K

Porter Derrell · DirectorJun 16

12,800 sh @ $2.33 · -26.5% own

MEXER◆—

Porter Derrell · DirectorJun 15

6,460 sh

SSELL$15.1K

Porter Derrell · DirectorJun 15

6,460 sh @ $2.35 · -11.8% own

MEXER$6.9K

Porter Derrell · DirectorJun 15

6,460 sh @ $1.07 · +13.4% own

SSELL$14.3K

Fountain Nathan B · DirectorJun 9

6,400 sh @ $2.23 · -11.7% own

AGRANT◆—

Fountain Nathan B · DirectorJun 3

53,250 sh

AGRANT—

Fountain Nathan B · DirectorJun 3

35,500 sh · +186.3% own

AGRANT◆—

Drapkin Kimberlee C · DirectorJun 3

53,250 sh

AGRANT—

Drapkin Kimberlee C · DirectorJun 3

35,500 sh · +277.3% own

AGRANT◆—

Stalfort John A III · DirectorJun 3

53,250 sh

AGRANT—

Stalfort John A III · DirectorJun 3

35,500 sh · +19.2% own

AGRANT◆—

Porter Derrell · DirectorJun 3

53,250 sh

AGRANT—

Porter Derrell · DirectorJun 3

35,500 sh · +277.3% own

AGRANT◆—

Ives Jeffrey L. · DirectorJun 3

53,250 sh

AGRANT—

Ives Jeffrey L. · DirectorJun 3

35,500 sh · +277.3% own

AGRANT◆—

Golumbeski George · DirectorJun 3

53,250 sh

AGRANT—

Golumbeski George · DirectorJun 3

35,500 sh

AGRANT◆—

Stoppel Laura · DirectorJun 3

53,250 sh

AGRANT—

Stoppel Laura · DirectorJun 3

35,500 sh · +277.3% own

AGRANT◆—

Ra Capital Management,… · Director, 10%…Jun 3

53,250 sh

AGRANT—

Ra Capital Management,… · Director, 10%…Jun 3

35,500 sh · +277.3% own

AGRANT$20M

Ra Capital Management,… · Director, 10%…Mar 16

6.1M sh @ $3.30 · +46.5% own

MEXER◷◆—

Meisner Derek M · Chief Legal…Mar 6

2,090 sh

SSELL◷$6.8K

Meisner Derek M · Chief Legal…Mar 6

2,090 sh @ $3.26 · -1.2% own

MEXER◷$3.9K

Meisner Derek M · Chief Legal…Mar 6

2,090 sh @ $1.85 · +1.2% own

MEXER◷◆—

Meisner Derek M · Chief Legal…Feb 27

9,406 sh

SSELL◷$28.3K

Meisner Derek M · Chief Legal…Feb 27

9,406 sh @ $3.01 · -5.1% own

MEXER◷$17.4K

Meisner Derek M · Chief Legal…Feb 27

9,406 sh @ $1.85 · +5.4% own

MEXER◷◆—

Meisner Derek M · Chief Legal…Jan 28

2,671 sh

SSELL◷$8K

Meisner Derek M · Chief Legal…Jan 28

2,671 sh @ $3.00 · -1.5% own

MEXER◷$4.9K

Meisner Derek M · Chief Legal…Jan 28

2,671 sh @ $1.85 · +1.5% own

MEXER◷◆—

Meisner Derek M · Chief Legal…Jan 26

15,085 sh

SSELL◷$45.3K

Meisner Derek M · Chief Legal…Jan 26

15,085 sh @ $3.00 · -8.0% own

MEXER◷$27.9K

Meisner Derek M · Chief Legal…Jan 26

15,085 sh @ $1.85 · +8.7% own

SSELL◷?$10.7K

Meisner Derek M · Chief Legal…Jan 23

5,633 sh @ $1.90 · -3.1% own

SSELL◷?$1.9K

Meisner Derek M · Chief Legal…Jan 22

1,054 sh @ $1.84 · -0.6% own

SSELL◷?$1.6K

Siemers Eric · Chief Medical…Jan 22

895 sh @ $1.82 · -0.4% own

SSELL◷?$3.1K

Zuga Matt · CFO & Chief…Jan 22

1,687 sh @ $1.86 · -0.5% own

SSELL◷?$5.1K

OConnell Daniel Joseph · Chief Executive…Jan 22

2,689 sh @ $1.88 · -0.3% own

SSELL◷?$850

Barton Russell · Chief Operating…Jan 22

462 sh @ $1.84 · -0.2% own

SSELL◷?$4.1K

Meisner Derek M · Chief Legal…Jan 21

2,247 sh @ $1.81 · -1.2% own

SSELL◷?$4.2K

Siemers Eric · Chief Medical…Jan 21

2,331 sh @ $1.80 · -0.9% own

SSELL◷?$4.5K

Zuga Matt · CFO & Chief…Jan 21

2,473 sh @ $1.81 · -0.8% own

SSELL◷?$16.9K

OConnell Daniel Joseph · Chief Executive…Jan 21

9,346 sh @ $1.81 · -1.1% own

SSELL◷?$4.2K

Barton Russell · Chief Operating…Jan 21

2,315 sh @ $1.81 · -1.1% own

AGRANT◆—

OConnell Daniel Joseph · Chief Executive…Jan 20

450,000 sh

AGRANT—

OConnell Daniel Joseph · Chief Executive…Jan 20

299,800 sh · +50.5% own

AGRANT◆—

Zuga Matt · CFO & Chief…Jan 16

148,700 sh

AGRANT—

Zuga Matt · CFO & Chief…Jan 16

99,133 sh · +47.2% own

AGRANT◆—

Meisner Derek M · Chief Legal…Jan 16

148,700 sh

AGRANT—

Meisner Derek M · Chief Legal…Jan 16

99,133 sh · +118.3% own

AGRANT◆—

Siemers Eric · Chief Medical…Jan 16

148,700 sh

AGRANT—

Siemers Eric · Chief Medical…Jan 16

99,133 sh · +62.2% own

AGRANT◆—

Barton Russell · Chief Operating…Jan 16

126,900 sh

AGRANT—

Barton Russell · Chief Operating…Jan 16

84,600 sh · +68.6% own

AGRANT◆—

Schacterle Amy · Chief Regulatory…Jan 16

126,900 sh

AGRANT—

Schacterle Amy · Chief Regulatory…Jan 16

84,600 sh · +1,098% own

AGRANT◆—

Doherty James J. · President and CDOJan 16

250,300 sh

AGRANT—

Doherty James J. · President and CDOJan 16

166,867 sh · +308.8% own

SSELL◷?$14.7K

Meisner Derek M · Chief Legal…Jan 12

8,548 sh @ $1.71 · -9.3% own

SSELL◷?$9.3K

OConnell Daniel Joseph · Chief Executive…Jan 12

5,388 sh @ $1.73 · -0.9% own

SSELL◷?$9.2K

Meisner Derek M · Chief Legal…Jan 9

5,200 sh @ $1.76 · -5.3% own

SSELL◷?$22.8K

OConnell Daniel Joseph · Chief Executive…Jan 9

12,941 sh @ $1.76 · -2.1% own

SSELL◷?$11.8K

Doherty James J. · President and CDOJan 8

6,467 sh @ $1.82 · -10.7% own

SSELL◷?$12.5K

Zuga Matt · CFO & Chief…Jan 8

6,888 sh @ $1.82 · -3.2% own

SSELL◷?$6.6K

Barton Russell · Chief Operating…Jan 8

3,530 sh @ $1.86 · -2.8% own

SSELL◷?$54.9K

Meisner Derek M · Chief Legal…Jan 8

30,092 sh @ $1.82 · -23.6% own

SSELL◷?$12.4K

Meisner Derek M · Chief Legal…Jan 8

6,819 sh @ $1.82 · -5.1% own

SSELL◷?$14.8K

OConnell Daniel Joseph · Chief Executive…Jan 8

8,143 sh @ $1.82 · -1.3% own

SSELL◷?$3.4K

Zuga Matt · CFO & Chief…Jan 7

1,700 sh @ $1.99 · -0.8% own

SSELL◷?$8.2K

Zuga Matt · CFO & Chief…Jan 7

4,105 sh @ $2.00 · -1.8% own

SSELL◷?$75K

OConnell Daniel Joseph · Chief Executive…Jan 7

37,755 sh @ $1.99 · -5.7% own

SSELL◷?$20K

Meisner Derek M · Chief Legal…Jan 7

10,070 sh @ $1.99 · -7.0% own

SSELL◷?$3.4K

Meisner Derek M · Chief Legal…Jan 7

1,700 sh @ $1.99 · -1.2% own

SSELL◷?$3.4K

Barton Russell · Chief Operating…Jan 7

1,700 sh @ $1.99 · -1.3% own

SSELL◷?$3.4K

Doherty James J. · President and CDOJan 7

1,700 sh @ $1.99 · -2.7% own

SSELL◷?$2.2K

Schacterle Amy · Chief Regulatory…Jan 7

1,097 sh @ $1.98 · -12.5% own

SSELL◷?$10K

Zuga Matt · CFO & Chief…Jan 6

5,100 sh @ $1.97 · -2.2% own

SSELL◷?$13.4K

Siemers Eric · Chief Medical…Jan 6

6,834 sh @ $1.97 · -4.1% own

SSELL◷?$10K

OConnell Daniel Joseph · Chief Executive…Jan 6

5,102 sh @ $1.97 · -0.8% own

SSELL◷?$7.5K

Meisner Derek M · Chief Legal…Jan 6

3,801 sh @ $1.97 · -2.5% own

SSELL◷?$14K

Meisner Derek M · Chief Legal…Jan 6

7,097 sh @ $1.97 · -4.5% own

SSELL◷?$7.1K

Barton Russell · Chief Operating…Jan 6

3,618 sh @ $1.97 · -2.7% own

SSELL◷?$7.8K

Zuga Matt · CFO & Chief…Jan 5

4,000 sh @ $1.96 · -1.7% own

SSELL◷?$7.8K

Siemers Eric · Chief Medical…Jan 5

4,000 sh @ $1.96 · -2.4% own

SSELL◷?$9.2K

OConnell Daniel Joseph · Chief Executive…Jan 5

4,649 sh @ $1.97 · -0.7% own

SSELL◷?$7.8K

Meisner Derek M · Chief Legal…Jan 5

4,000 sh @ $1.96 · -2.5% own

SSELL◷?$7.8K

Barton Russell · Chief Operating…Jan 5

4,000 sh @ $1.96 · -2.9% own

AGRANT◆—

Golumbeski George · DirectorNov 6, 2025

50,000 sh

AGRANT◆—

Stoppel Laura · DirectorJun 4, 2025

19,500 sh

AGRANT—

Stoppel Laura · DirectorJun 4, 2025

12,800 sh

AGRANT◆—

Stalfort John A III · DirectorJun 4, 2025

19,500 sh

AGRANT—

Stalfort John A III · DirectorJun 4, 2025

12,800 sh · +7.4% own

AGRANT◆—

Drapkin Kimberlee C · DirectorJun 4, 2025

19,500 sh

AGRANT—

Drapkin Kimberlee C · DirectorJun 4, 2025

12,800 sh

AGRANT◆—

Fountain Nathan B · DirectorJun 4, 2025

19,500 sh

AGRANT—

Fountain Nathan B · DirectorJun 4, 2025

12,800 sh · +204.8% own

Filing record

How quickly insiders here report their trades. Section 16 allows two business days from the transaction.

All 45 filings we hold were filed within the two-business-day deadline.

Counted in business days from the transaction date, or the deemed execution date where the filing reports one, excluding weekends and federal holidays. How this is measured · All late filings

Insiders at this company

Everyone who has filed a Form 4 for this issuer.

More biotech & pharma companies

Other issuers in the same industry with insider filings on record.

Whole sector →