BBLG · Bone Biologics Corp
Substantial doubt about the company's ability to continue as a going concern.
“These factors raise substantial doubt about our ability to continue as a going concern within a reasonable period of time, which is considered to be one year after the date that the financial statements are issued. In addition, our independent registered public accounting firm, in their report on the Company's audited financial statements for the year ended December 31, 2025, expressed substantial doubt about our ability to continue as a going concern.”View the 10-Q filed May 14, 2026
Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 3, 4 and 5. Form 4 must be filed within two business days of the trade.
| Date | Insider | Role | Type | Security | Shares |
|---|---|---|---|---|---|
| 2026-01-08 | Walsh Deina H |
Chief Financial Officer |
Award↑
Filing footnotes — Employee Stock Option (Direct)
This option was granted under the Bone Biologics Corporation 2015 Equity Incentive Plan, in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vests and becomes exercisable immediately. |
Employee Stock Option
|
8,335 |
| 2026-01-08 | Frelick Jeff |
Chief Executive Officer |
Award↑
Filing footnotes — Employee Stock Option (Direct)
This option was granted under the Bone Biologics Corporation 2015 Equity Incentive Plan, in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vests and becomes exercisable immediately. |
Employee Stock Option
|
16,668 |
| 2025-06-04 | Gagnon Robert E. |
Director |
Award↑
Filing footnotes — Non-Employee Stock Option (Direct)
This option was granted under the Bone Biologics Corporation 2015 Equity Incentive Plan, in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vests in four equal quarterly installments. |
Non-Employee Stock Option
|
62,894 |
| 2025-06-04 | Meikle Phillip Terry II |
Director |
Award↑
Filing footnotes — Non-Employee Stock Option (Direct)
This option was granted under the Bone Biologics Corporation 2015 Equity Incentive Plan, in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vests in four equal quarterly installments. |
Non-Employee Stock Option
|
62,894 |
| 2025-06-04 | Angle Siddhesh Rajendra |
Director |
Award↑
Filing footnotes — Non-Employee Stock Option (Direct)
This option was granted under the Bone Biologics Corporation 2015 Equity Incentive Plan, in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vests in four equal quarterly installments. |
Non-Employee Stock Option
|
62,894 |
| 2025-06-04 | Stroever Bruce |
Director |
Award↑
Filing footnotes — Non-Employee Stock Option (Direct)
This option was granted under the Bone Biologics Corporation 2015 Equity Incentive Plan, in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vests in four equal quarterly installments. |
Non-Employee Stock Option
|
62,894 |
| 2025-01-15 | Frelick Jeff |
Chief Executive Officer |
Award↑
Filing footnotes — Employee Stock Option (Direct)
This option was granted under the Bone Biologics Corporation 2015 Equity Incentive Plan, in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice,vests and becomes exercisable immediately. |
Employee Stock Option
|
54,110 |
| 2025-01-15 | Walsh Deina H |
Chief Financial Officer |
Award↑
Filing footnotes — Employee Stock Option (Direct)
This option was granted under the Bone Biologics Corporation 2015 Equity Incentive Plan, in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vests and becomes exercisable immediately. |
Employee Stock Option
|
27,055 |
| 2024-10-16 | Meikle Phillip Terry II |
Director |
Award↑
Filing footnotes — Non-Employee Stock Option (Direct)
This option was granted under the Bone Biologics Corporation 2015 Equity Incentive Plan, in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vesting and becoming exercisable in four equal installments on 12/17/24, 3/19/25, 6/19/25 and 9/17/25. |
Non-Employee Stock Option
|
28,185 |
| 2024-10-16 | Meikle Phillip Terry II |
Director |
Other↑
|
No Securities Owned
|
0 |
| 2024-10-16 | Meikle Phillip Terry II |
Director |
Award↑
Filing footnotes — Non-Employee Stock Option (Direct)
This option was granted under the Bone Biologics Corporation 2015 Equity Incentive Plan, in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vests and becomes exercisable on the date of the next annual meeting of the stockholders of the Company following the grant date. |
Non-Employee Stock Option
|
9 |
| 2024-09-17 | Stroever Bruce |
Director |
Award↑
Filing footnotes — Non-Employee Stock Option (Direct)
This option was granted under the Bone Biologics Corporation 2015 Equity Incentive Plan, in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vests and becomes exercisable quarterly through the date of the next annual meeting of stockholders of the Company. |
Non-Employee Stock Option
|
30,713 |
| 2024-09-17 | Angle Siddhesh Rajendra |
Director |
Award↑
Filing footnotes — Non-Employee Stock Option (Direct)
This option was granted under the Bone Biologics Corporation 2015 Equity Incentive Plan, in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vests and becomes exercisable quarterly through the date of the next annual meeting of stockholders of the Company. |
Non-Employee Stock Option
|
30,713 |
| 2024-09-17 | Gagnon Robert E. |
Director |
Award↑
Filing footnotes — Non- Employee Stock Option (Direct)
This option was granted under the Bone Biologics Corporation 2015 Equity Incentive Plan, in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vests and becomes exercisable quarterly through the date of the next annual meeting of stockholders of the Company. |
Non- Employee Stock Option
|
30,713 |
| 2024-01-17 | Walsh Deina H |
Chief Financial Officer |
Award↑
Filing footnotes — Employee Stock Option (Direct)
This option was granted under the Bone Biologics Corporation 2015 Equity Incentive Plan, in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vests and becomes exercisable immediately. |
Employee Stock Option
|
12,500 |
| 2024-01-17 | Frelick Jeff |
Chief Executive Officer |
Award↑
Filing footnotes — Employee Stock Option (Direct)
This option was granted under the Bone Biologics Corporation 2015 Equity Incentive Plan, in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vests and becomes exercisable immediately. |
Employee Stock Option
|
25,000 |
| 2024-01-08 | Gagnon Robert E. |
Director |
Award↑
Filing footnotes — Non-Employee Stock Option (Direct)
This option was granted under the Bone Biologics Corporation 2015 Equity Incentive Plan, in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, 2,003 options are immediately exercisable with the remaining 6,003 options vesting and becoming exercisable in three equal installments on 3/12/2024, 6/12/2024, and 9/12/2024. |
Non-Employee Stock Option
|
8 |
| 2024-01-08 | Gagnon Robert E. |
Director |
Award↑
Filing footnotes — Non-Employee Stock Option (Direct)
This option was granted under the Bone Biologics Corporation 2015 Equity Incentive Plan, in a transaction exempt under Rule 16b-3 and, except as otherwise provided in the award notice, vests and becomes exercisable on the date of the next annual meeting of the stockholders of the Company following the grant date. |
Non-Employee Stock Option
|
9 |
| 2023-09-18 | Lucera Erick |
Director |
Award↑
Filing footnotes — Non-Employee Stock Option (Direct)
Vests quarterly through the date of the next annual meeting of the stockholders of the Company following the Grant. |
Non-Employee Stock Option
|
85,763 |
| 2023-09-18 | Angle Siddhesh Rajendra |
Director |
Award↑
Filing footnotes — Non-Employee Stock Option (Direct)
Vests quarterly through the date of the next annual meeting of the stockholders of the Company following the Grant. |
Non-Employee Stock Option
|
85,763 |
| 2023-09-18 | Stroever Bruce |
Director |
Award↑
Filing footnotes — Non-Employee Stock Option (Direct)
Vests quarterly through the date of the next annual meeting of the stockholders of the Company following the Grant. |
Non-Employee Stock Option
|
85,763 |
| 2023-09-13 | Walsh Deina H |
Chief Financial Officer |
Buy↑
|
Common Stock
|
8,000 |
| 2023-09-11 | Frelick Jeff |
Chief Executive Officer |
Buy↑
Filing footnotes — Common Stock (Direct)
The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.6799 to $0.6898, inclusive. Mr. Frelick undertakes to provide Bone Biologics Corporation, any security holder of Bone Biologics Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. |
Common Stock
|
9,500 |
| 2023-09-06 | Walsh Deina H |
Chief Financial Officer |
Buy↑
|
Common Stock
|
300 |
| 2023-09-06 | Walsh Deina H |
Chief Financial Officer |
Buy↑
|
Common Stock
|
6,700 |
| 2023-08-31 | Frelick Jeff |
Chief Executive Officer |
Buy↑
Filing footnotes — Common Stock (Direct)
Includes 104 shares of vested restricted stock that were inadvertently reported in Table II at the time of grant. |
Common Stock
|
7,600 |
| 2023-03-13 | Hankey Don |
Director, Chairman of the Board, 10% Owner |
Other↑
Filing footnotes — Warrants to Purchase Common Stock (Indirect)
On March 27, 2023, Hankey Capital LLC transferred an aggregate of 7,043,801 shares and 476,190 shares issuable upon exercise of warrants of the Company as follows: a. Don Hankey Trust, Related Party, 4,153,065 shares, 280,764 warrants b. Knight Services, Inc, Related Party, 77,681 shares, 5,252 warrants c. Knight Insurance Company, Ltd., Related Party, 1,466,603 shares, 99,148 warrants d. Knightbrook Insurance Company, Related Party, 285,438 shares, 19,297 warrants e. Knight Specialty Insurance Company, Related Party, 560,877 shares, 37,918 warrants f. Unrelated Parties, 500,137 shares, 33,811 warrants |
Warrants to Purchase Common Stock
(I)
|
37,918 |
| 2023-03-13 | Hankey Don |
Director, Chairman of the Board, 10% Owner |
Other↑
Filing footnotes — Warrants to Purchase Common Stock (Indirect)
On March 27, 2023, Hankey Capital LLC transferred an aggregate of 7,043,801 shares and 476,190 shares issuable upon exercise of warrants of the Company as follows: a. Don Hankey Trust, Related Party, 4,153,065 shares, 280,764 warrants b. Knight Services, Inc, Related Party, 77,681 shares, 5,252 warrants c. Knight Insurance Company, Ltd., Related Party, 1,466,603 shares, 99,148 warrants d. Knightbrook Insurance Company, Related Party, 285,438 shares, 19,297 warrants e. Knight Specialty Insurance Company, Related Party, 560,877 shares, 37,918 warrants f. Unrelated Parties, 500,137 shares, 33,811 warrants |
Warrants to Purchase Common Stock
(I)
|
99,148 |
| 2023-03-13 | Hankey Don |
Director, Chairman of the Board, 10% Owner |
Other↓
Filing footnotes — Warrants to Purchase Common Stock (Indirect)
On March 27, 2023, Hankey Capital LLC transferred an aggregate of 7,043,801 shares and 476,190 shares issuable upon exercise of warrants of the Company as follows: a. Don Hankey Trust, Related Party, 4,153,065 shares, 280,764 warrants b. Knight Services, Inc, Related Party, 77,681 shares, 5,252 warrants c. Knight Insurance Company, Ltd., Related Party, 1,466,603 shares, 99,148 warrants d. Knightbrook Insurance Company, Related Party, 285,438 shares, 19,297 warrants e. Knight Specialty Insurance Company, Related Party, 560,877 shares, 37,918 warrants f. Unrelated Parties, 500,137 shares, 33,811 warrants |
Warrants to Purchase Common Stock
(I)
|
33,811 |
| 2023-03-13 | Hankey Don |
Director, Chairman of the Board, 10% Owner |
Other↓
Filing footnotes — Common Stock (Indirect)
On March 27, 2023, Hankey Capital LLC transferred an aggregate of 7,043,801 shares and 476,190 shares issuable upon exercise of warrants of the Company as follows: a. Don Hankey Trust, Related Party, 4,153,065 shares, 280,764 warrants b. Knight Services, Inc, Related Party, 77,681 shares, 5,252 warrants c. Knight Insurance Company, Ltd., Related Party, 1,466,603 shares, 99,148 warrants d. Knightbrook Insurance Company, Related Party, 285,438 shares, 19,297 warrants e. Knight Specialty Insurance Company, Related Party, 560,877 shares, 37,918 warrants f. Unrelated Parties, 500,137 shares, 33,811 warrants |
Common Stock
(I)
|
500,137 |
| 2023-03-13 | Hankey Don |
Director, Chairman of the Board, 10% Owner |
Other↑
Filing footnotes — Warrants to Purchase Common Stock (Indirect)
On March 27, 2023, Hankey Capital LLC transferred an aggregate of 7,043,801 shares and 476,190 shares issuable upon exercise of warrants of the Company as follows: a. Don Hankey Trust, Related Party, 4,153,065 shares, 280,764 warrants b. Knight Services, Inc, Related Party, 77,681 shares, 5,252 warrants c. Knight Insurance Company, Ltd., Related Party, 1,466,603 shares, 99,148 warrants d. Knightbrook Insurance Company, Related Party, 285,438 shares, 19,297 warrants e. Knight Specialty Insurance Company, Related Party, 560,877 shares, 37,918 warrants f. Unrelated Parties, 500,137 shares, 33,811 warrants |
Warrants to Purchase Common Stock
(I)
|
280,764 |
| 2023-03-13 | Hankey Don |
Director, Chairman of the Board, 10% Owner |
Other↑
Filing footnotes — Warrants to Purchase Common Stock (Indirect)
On March 27, 2023, Hankey Capital LLC transferred an aggregate of 7,043,801 shares and 476,190 shares issuable upon exercise of warrants of the Company as follows: a. Don Hankey Trust, Related Party, 4,153,065 shares, 280,764 warrants b. Knight Services, Inc, Related Party, 77,681 shares, 5,252 warrants c. Knight Insurance Company, Ltd., Related Party, 1,466,603 shares, 99,148 warrants d. Knightbrook Insurance Company, Related Party, 285,438 shares, 19,297 warrants e. Knight Specialty Insurance Company, Related Party, 560,877 shares, 37,918 warrants f. Unrelated Parties, 500,137 shares, 33,811 warrants |
Warrants to Purchase Common Stock
(I)
|
5,252 |
| 2023-03-13 | Hankey Don |
Director, Chairman of the Board, 10% Owner |
Other↑
Filing footnotes — Warrants to Purchase Common Stock (Indirect)
On March 27, 2023, Hankey Capital LLC transferred an aggregate of 7,043,801 shares and 476,190 shares issuable upon exercise of warrants of the Company as follows: a. Don Hankey Trust, Related Party, 4,153,065 shares, 280,764 warrants b. Knight Services, Inc, Related Party, 77,681 shares, 5,252 warrants c. Knight Insurance Company, Ltd., Related Party, 1,466,603 shares, 99,148 warrants d. Knightbrook Insurance Company, Related Party, 285,438 shares, 19,297 warrants e. Knight Specialty Insurance Company, Related Party, 560,877 shares, 37,918 warrants f. Unrelated Parties, 500,137 shares, 33,811 warrants |
Warrants to Purchase Common Stock
(I)
|
19,297 |
| 2023-01-25 | Frelick Jeff |
Chief Executive Officer |
Award↑
|
Employee Stock Option
|
37,750 |
| 2023-01-25 | Walsh Deina H |
Chief Financial Officer |
Award↑
|
Employee Stock Option
|
18,875 |
| 2022-08-23 | Stroever Bruce |
Director |
Award↑
Filing footnotes — Non-Employee Stock Option (Direct)
Quarterly through the date of the next annual meeting of the stockholders of the Company following the Grant. |
Non-Employee Stock Option
|
36,845 |
| 2022-08-23 | Angle Siddhesh Rajendra |
Director |
Award↑
Filing footnotes — Non-Employee Stock Option (Direct)
Quarterly through the date of the next annual meeting of the stockholders of the Company following the Grant. |
Non-Employee Stock Option
|
36,845 |
| 2022-08-23 | Lucera Erick |
Director |
Award↑
Filing footnotes — Non-Employee Stock Option (Direct)
Quarterly through the date of the next annual meeting of the stockholders of the Company following the Grant. |
Non-Employee Stock Option
|
36,845 |
| 2022-01-03 | Walsh Deina H |
Chief Financial Officer |
Award↑
|
Employee Stock Option
|
25,000 |
| 2022-01-01 | Lucera Erick |
Director |
Award↑
Filing footnotes — Non-Employee Stock Option (Direct)
Quarterly through the date of the next annual meeting of the stockholders of the Company following the Grant. |
Non-Employee Stock Option
|
8,722 |
| 2022-01-01 | Frelick Jeff |
Chief Executive Officer |
Award↑
|
Employee Stock Option
|
50,000 |
| 2022-01-01 | Stroever Bruce |
Director |
Award↑
Filing footnotes — Non-Employee Stock Option (Direct)
Quarterly through the date of the next annual meeting of the stockholders of the Company following the Grant. |
Non-Employee Stock Option
|
8,722 |
| 2022-01-01 | Angle Siddhesh Rajendra |
Director |
Award↑
Filing footnotes — Non-Employee Stock Option (Direct)
Quarterly through the date of the next annual meeting of the stockholders of the Company following the Grant. |
Non-Employee Stock Option
|
8,722 |
| 2021-10-26 | Stroever Bruce |
Director |
Award↑
|
Non-Employee Stock Option
|
2,949 |
| 2021-10-26 | Angle Siddhesh Rajendra |
Director |
Award↑
|
Non-Employee Stock Option
|
2,949 |
| 2021-10-26 | Lucera Erick |
Director |
Award↑
|
Non-Employee Stock Option
|
2,949 |
| 2021-10-15 | Hankey Don |
Director, Chairman of the Board, 10% Owner |
Discretionary↑
Filing footnotes — Common Stock (Indirect)
Represents shares purchased in the Issuer's public offering of units, with each unit consisting of one share of Common Stock and one Warrant. The allocation of a unit is $5.24 for a common share, and $0.01 for a warrant. |
Common Stock
(I)
|
476,190 |
| 2021-10-15 | Hankey Don |
Director, Chairman of the Board, 10% Owner |
Other↓
Filing footnotes — Common Stock (Indirect)
Represents cancelation of collateral shares issued to secure the debt. |
Common Stock
(I)
|
9,361,702 |
| 2021-10-15 | Hankey Don |
Director, Chairman of the Board, 10% Owner |
Discretionary↑
Filing footnotes — Warrants to Purchase Common Stock (Indirect)
Represents shares purchased in the Issuer's public offering of units, with each unit consisting of one share of Common Stock and one Warrant. The allocation of a unit is $5.24 for a common share, and $0.01 for a warrant. |
Warrants to Purchase Common Stock
(I)
|
476,190 |
| 2021-10-15 | Hankey Don |
Director, Chairman of the Board, 10% Owner |
Other↑
Filing footnotes — Common Stock (Indirect)
Represents shares issued upon conversion of debt at a conversion rate of $2.50 per share. |
Common Stock
(I)
|
5,928,774 |