Peter Soparkar - 17 Jun 2025 Form 4 Insider Report for Adverum Biotechnologies, Inc. (ADVM)

Signature
/s/ Aneta Fergson, Attorney-in-Fact
Issuer symbol
ADVM
Transactions as of
17 Jun 2025
Net transactions value
$0
Form type
4
Filing time
20 Jun 2025, 16:29:48 UTC
Previous filing
16 May 2025
Next filing
08 Dec 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Soparkar Peter CHIEF OPERATING OFFICER C/O ADVERUM BIOTECHNOLOGIES, INC., 100 CARDINAL WAY, REDWOOD CITY /s/ Aneta Fergson, Attorney-in-Fact 20 Jun 2025 0001736315

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction ADVM Stock Option (Right to Buy) Disposed to Issuer $0 -40,000 -100% $0.000000 0 17 Jun 2025 Common Stock 40,000 $68.80 Direct F1, F2
transaction ADVM Stock Option (Right to Buy) Award $0 +40,000 $0.000000 40,000 17 Jun 2025 Common Stock 40,000 $10.14 Direct F1, F2
transaction ADVM Stock Option (Right to Buy) Disposed to Issuer $0 -4,074 -100% $0.000000 0 17 Jun 2025 Common Stock 4,074 $157.50 Direct F1, F3
transaction ADVM Stock Option (Right to Buy) Award $0 +4,074 $0.000000 4,074 17 Jun 2025 Common Stock 4,074 $10.14 Direct F1, F3
transaction ADVM Stock Option (Right to Buy) Disposed to Issuer $0 -13,999 -100% $0.000000 0 17 Jun 2025 Common Stock 13,999 $134.40 Direct F1, F4
transaction ADVM Stock Option (Right to Buy) Award $0 +13,999 $0.000000 13,999 17 Jun 2025 Common Stock 13,999 $10.14 Direct F1, F4
transaction ADVM Stock Option (Right to Buy) Disposed to Issuer $0 -15,999 -100% $0.000000 0 17 Jun 2025 Common Stock 15,999 $24.80 Direct F1, F5
transaction ADVM Stock Option (Right to Buy) Award $0 +15,999 $0.000000 15,999 17 Jun 2025 Common Stock 15,999 $10.14 Direct F1, F5
transaction ADVM Stock Option (Right to Buy) Disposed to Issuer $0 -25,500 -100% $0.000000 0 17 Jun 2025 Common Stock 25,500 $12.90 Direct F1, F6, F7
transaction ADVM Stock Option (Right to Buy) Award $0 +25,500 $0.000000 25,500 17 Jun 2025 Common Stock 25,500 $10.14 Direct F1, F6, F7
transaction ADVM Stock Option (Right to Buy) Disposed to Issuer $0 -13,000 -100% $0.000000 0 17 Jun 2025 Common Stock 13,000 $12.90 Direct F1, F6, F8
transaction ADVM Stock Option (Right to Buy) Award $0 +13,000 $0.000000 13,000 17 Jun 2025 Common Stock 13,000 $10.14 Direct F1, F6, F8
transaction ADVM Stock Option (Right to Buy) Disposed to Issuer $0 -23,092 -100% $0.000000 0 17 Jun 2025 Common Stock 23,092 $10.90 Direct F1, F9
transaction ADVM Stock Option (Right to Buy) Award $0 +23,092 $0.000000 23,092 17 Jun 2025 Common Stock 23,092 $10.14 Direct F1, F9
transaction ADVM Stock Option (Right to Buy) Disposed to Issuer $0 -16,384 -100% $0.000000 0 17 Jun 2025 Common Stock 16,384 $10.90 Direct F1, F10, F11
transaction ADVM Stock Option (Right to Buy) Award $0 +16,384 $0.000000 16,384 17 Jun 2025 Common Stock 16,384 $10.14 Direct F1, F10, F11
transaction ADVM Stock Option (Right to Buy) Disposed to Issuer $0 -45,000 -100% $0.000000 0 17 Jun 2025 Common Stock 45,000 $19.90 Direct F1, F12, F13
transaction ADVM Stock Option (Right to Buy) Award $0 +45,000 $0.000000 45,000 17 Jun 2025 Common Stock 45,000 $10.14 Direct F1, F12, F13
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Effective March 21, 2024, the Issuer effected a reverse stock split (the "Reverse Split") whereby every ten shares of its issued and outstanding Common Stock were automatically combined into one share of Common Stock. In connection with the Reverse Split, each stock option to purchase ten shares of Common Stock was automatically combined into a stock option to purchase one share of Common Stock and the exercise prices of such options were multiplied by ten.
F2 The two reported transactions involved an amendment of an outstanding option, resulting in the deemed cancellation of the "old" option and the grant of a replacement option. The option was originally granted on October 30, 2019 and is fully vested.
F3 The two reported transactions involved an amendment of an outstanding option, resulting in the deemed cancellation of the "old" option and the grant of a replacement option. The option was originally granted on February 20, 2020 and is fully vested.
F4 The two reported transactions involved an amendment of an outstanding option, resulting in the deemed cancellation of the "old" option and the grant of a replacement option. The option was originally granted on February 16, 2021 and is fully vested.
F5 The two reported transactions involved an amendment of an outstanding option, resulting in the deemed cancellation of the "old" option and the grant of a replacement option. The option was originally granted on August 6, 2021 and is fully vested.
F6 The two reported transactions involved an amendment of an outstanding option, resulting in the deemed cancellation of the "old" option and the grant of a replacement option. The option was originally granted on March 8, 2022.
F7 Twenty-five percent (25%) of the total number of shares subject to the option vested and became exercisable on the first anniversary of February 18, 2022, and 1/48 of the total number of shares subject to the option vest and become exercisable each month thereafter, such that all of the shares subject to the option shall become vested and exercisable as of February 18, 2026, provided the Reporting Person continues to provide Continuous Service (as defined in the Issuer's 2014 Equity Incentive Plan) on each such vesting date.
F8 The options vest in equal monthly installments over two years from August 16, 2023, such that all of the shares subject to the option shall become vested and exercisable as of August 16, 2025, provided the Reporting Person continues to provide Continuous Service (as defined in the Issuer's 2014 Equity Incentive Plan) on each such vesting date.
F9 The two reported transactions involved an amendment of an outstanding option, resulting in the deemed cancellation of the "old" option and the grant of a replacement option. The option was originally granted on September 14, 2022 and is fully vested.
F10 The two reported transactions involved an amendment of an outstanding option, resulting in the deemed cancellation of the "old" option and the grant of a replacement option. The option was originally granted on September 14, 2022.
F11 The options vest in equal monthly installments over three years from September 14, 2022, such that all of the shares subject to the option shall become vested and exercisable as of September 14, 2025, provided the Reporting Person continues to provide Continuous Service (as defined in the Issuer's 2014 Equity Incentive Plan) on each such vesting date.
F12 The two reported transactions involved an amendment of an outstanding option, resulting in the deemed cancellation of the "old" option and the grant of a replacement option. The option was originally granted on February 12, 2024.
F13 Twenty-five percent (25%) of the total number of shares subject to the option vested and became exercisable on the first anniversary of February 12, 2024, and 1/48 of the total number of shares subject to the option vest and become exercisable each month thereafter, such that all of the shares subject to the option shall become vested and exercisable as of February 12, 2028, provided the Reporting Person continues to provide Continuous Service (as defined in the Issuer's 2014 Equity Incentive Plan) on each such vesting date.